mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 06:10:34 +05:00
7536 lines
208 KiB
C++
7536 lines
208 KiB
C++
#include <mystdlib.h>
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#include <atomic>
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#include <set>
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#include "meshing.hpp"
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#include "../general/gzstream.h"
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#include <core/register_archive.hpp>
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#include "basegeom.hpp"
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namespace netgen
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{
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int Find3dElement (const Mesh& mesh,
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const netgen::Point<3> & p,
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double * lami,
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const NgArray<int> * const indices,
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BoxTree<3> * searchtree,
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const bool allowindex = true)
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{
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int ne = 0;
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NgArray<int> locels;
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if (searchtree)
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{
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searchtree->GetIntersecting (p, p, locels);
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ne = locels.Size();
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}
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else
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ne = mesh.GetNE();
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for (int i = 1; i <= ne; i++)
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{
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int ii;
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if (searchtree)
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ii = locels.Get(i);
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else
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ii = i;
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if(indices != NULL && indices->Size() > 0)
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{
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bool contained = indices->Contains(mesh.VolumeElement(ii).GetIndex());
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if((allowindex && !contained) || (!allowindex && contained)) continue;
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}
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if(mesh.PointContainedIn3DElement(p,lami,ii))
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return ii;
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}
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// Not found, try uncurved variant:
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for (int i = 1; i <= ne; i++)
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{
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int ii;
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if (searchtree)
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ii = locels.Get(i);
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else
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ii = i;
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if(indices != NULL && indices->Size() > 0)
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{
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bool contained = indices->Contains(mesh.VolumeElement(ii).GetIndex());
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if((allowindex && !contained) || (!allowindex && contained)) continue;
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}
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if(mesh.PointContainedIn3DElementOld(p,lami,ii))
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{
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(*testout) << "WARNING: found element of point " << p <<" only for uncurved mesh" << endl;
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return ii;
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}
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}
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return 0;
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}
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int Find2dElement (const Mesh& mesh,
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const netgen::Point<3> & p,
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double * lami,
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const NgArray<int> * const indices,
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BoxTree<3> * searchtree,
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const bool allowindex = true)
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{
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double vlam[3];
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int velement = 0;
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if(mesh.GetNE())
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velement = Find3dElement(mesh, p,vlam,NULL,searchtree,allowindex);
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//(*testout) << "p " << p << endl;
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//(*testout) << "velement " << velement << endl;
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// first try to find a volume element containing p and project to face
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if(velement!=0)
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{
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auto & topology = mesh.GetTopology();
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// NgArray<int> faces;
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// topology.GetElementFaces(velement,faces);
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auto faces = Array<int> (topology.GetFaces(ElementIndex(velement-1)));
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//(*testout) << "faces " << faces << endl;
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for(int i=0; i<faces.Size(); i++)
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faces[i] = topology.GetFace2SurfaceElement(faces[i]+1);
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//(*testout) << "surfel " << faces << endl;
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for(int i=0; i<faces.Size(); i++)
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{
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if(faces[i] == 0)
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continue;
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auto sel = mesh.SurfaceElement(faces[i]);
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if(indices && indices->Size() != 0 && !indices->Contains(sel.GetIndex()))
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continue;
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auto & el = mesh.VolumeElement(velement);
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if (el.GetType() == TET)
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{
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double lam4[4] = { vlam[0], vlam[1], vlam[2], 1.0-vlam[0]-vlam[1]-vlam[2] };
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double face_lam = lam4[i];
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if(face_lam < 1e-5)
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{
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// found volume point very close to a face -> use barycentric coordinates directly
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lami[2] = 0.0;
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for(auto j : Range(1,3))
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for(auto k : Range(4))
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if(sel[j] == el[k])
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lami[j-1] = lam4[k]/(1.0-face_lam);
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return faces[i];
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}
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}
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if(mesh.PointContainedIn2DElement(p,lami,faces[i],true))
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return faces[i];
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}
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}
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// Did't find any matching face of a volume element, search 2d elements directly
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int ne;
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NgArray<int> locels;
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// TODO: build search tree for surface elements
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if (!mesh.GetNE() && searchtree)
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{
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searchtree->GetIntersecting (p, p, locels);
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ne = locels.Size();
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}
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else
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ne = mesh.GetNSE();
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for (int i = 1; i <= ne; i++)
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{
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int ii;
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if (locels.Size())
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ii = locels.Get(i);
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else
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ii = i;
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if(indices != NULL && indices->Size() > 0)
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{
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bool contained = indices->Contains(mesh.SurfaceElement(ii).GetIndex());
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if((allowindex && !contained) || (!allowindex && contained)) continue;
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}
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if(mesh.PointContainedIn2DElement(p,lami,ii)) return ii;
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}
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return 0;
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}
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int Find1dElement (const Mesh& mesh,
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const netgen::Point<3> & p,
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double * lami,
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const NgArray<int> * const indices,
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BoxTree<3> * searchtree,
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const bool allowindex = true)
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{
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double vlam[3];
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int velement = Find2dElement(mesh, p, vlam, NULL, searchtree, allowindex);
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if(velement == 0)
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return 0;
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vlam[2] = 1.-vlam[0] - vlam[1];
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NgArray<int> edges;
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auto & topology = mesh.GetTopology();
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topology.GetSurfaceElementEdges(velement, edges);
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Array<SegmentIndex> segs(edges.Size());
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for(auto i : Range(edges))
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segs[i] = topology.GetSegmentOfEdge(edges[i]);
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for(auto i : Range(segs))
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{
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if(IsInvalid(segs[i]))
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continue;
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auto& el = mesh.SurfaceElement(velement);
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if(el.GetType() == TRIG)
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{
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double seg_lam;
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double lam;
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auto seg = mesh.LineSegment(segs[i]);
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for(auto k : Range(3))
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{
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if(seg[0] == el[k])
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lam = vlam[k];
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if(seg[1] == el[k])
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seg_lam = vlam[k];
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}
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if(1.- seg_lam - lam < 1e-5)
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{
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// found point close to segment -> use barycentric coordinates directly
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lami[0] = lam;
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return int(segs[i])+1;
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}
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}
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else
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throw NgException("Quad not implemented yet!");
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}
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return 0;
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}
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static mutex buildsearchtree_mutex;
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Mesh :: Mesh ()
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: topology(*this), surfarea(*this)
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{
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boundaryedges = nullptr;
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surfelementht = nullptr;
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segmentht = nullptr;
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lochfunc = {nullptr};
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// mglevels = 1;
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elementsearchtree = nullptr;
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elementsearchtreets = NextTimeStamp();
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majortimestamp = timestamp = NextTimeStamp();
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hglob = 1e10;
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hmin = 0;
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numvertices = -1;
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dimension = 3;
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curvedelems = make_unique<CurvedElements> (*this);
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clusters = make_unique<AnisotropicClusters> (*this);
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ident = make_unique<Identifications> (*this);
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hpelements = NULL;
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coarsemesh = NULL;
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ps_startelement = 0;
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geomtype = NO_GEOM;
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bcnames.SetSize(0);
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cd2names.SetSize(0);
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// this->comm = netgen :: ng_comm;
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#ifdef PARALLEL
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paralleltop = make_unique<ParallelMeshTopology> (*this);
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#endif
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}
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Mesh :: ~Mesh()
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{
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// delete lochfunc;
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// delete boundaryedges;
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// delete surfelementht;
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// delete segmentht;
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// delete curvedelems;
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// delete clusters;
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// delete ident;
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// delete elementsearchtree;
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// delete coarsemesh;
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// delete hpelements;
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for (int i = 0; i < materials.Size(); i++)
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delete materials[i];
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for(int i = 0; i < userdata_int.Size(); i++)
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delete userdata_int[i];
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for(int i = 0; i < userdata_double.Size(); i++)
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delete userdata_double[i];
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for (int i = 0; i < bcnames.Size(); i++ )
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delete bcnames[i];
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for (int i = 0; i < cd2names.Size(); i++)
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delete cd2names[i];
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for (int i = 0; i < cd3names.Size(); i++)
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delete cd3names[i];
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// #ifdef PARALLEL
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// delete paralleltop;
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// #endif
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}
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shared_ptr<NetgenGeometry> Mesh :: GetGeometry() const
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{
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static auto global_geometry = make_shared<NetgenGeometry>();
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return geometry ? geometry : global_geometry;
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}
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void Mesh :: SetCommunicator(NgMPI_Comm acomm)
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{
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this->comm = acomm;
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}
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Mesh & Mesh :: operator= (const Mesh & mesh2)
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{
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geometry = mesh2.geometry;
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dimension = mesh2.dimension;
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points = mesh2.points;
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segments = mesh2.segments;
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surfelements = mesh2.surfelements;
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volelements = mesh2.volelements;
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lockedpoints = mesh2.lockedpoints;
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facedecoding = mesh2.facedecoding;
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dimension = mesh2.dimension;
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hglob = mesh2.hglob;
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hmin = mesh2.hmin;
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maxhdomain = mesh2.maxhdomain;
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materials.SetSize( mesh2.materials.Size() );
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for ( int i = 0; i < mesh2.materials.Size(); i++ )
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if ( mesh2.materials[i] ) materials[i] = new string ( *mesh2.materials[i] );
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else materials[i] = 0;
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std::map<const string*, string*> bcmap;
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bcnames.SetSize( mesh2.bcnames.Size() );
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for ( int i = 0; i < mesh2.bcnames.Size(); i++ )
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{
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if ( mesh2.bcnames[i] ) bcnames[i] = new string ( *mesh2.bcnames[i] );
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else bcnames[i] = 0;
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bcmap[mesh2.bcnames[i]] = bcnames[i];
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}
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// Remap string* members in FaceDescriptor to new mesh
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for (auto & f : facedecoding)
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f.SetBCName( bcmap[&f.GetBCName()] );
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cd2names.SetSize(mesh2.cd2names.Size());
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for (int i=0; i < mesh2.cd2names.Size(); i++)
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if (mesh2.cd2names[i]) cd2names[i] = new string(*mesh2.cd2names[i]);
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else cd2names[i] = 0;
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cd3names.SetSize(mesh2.cd3names.Size());
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for (int i=0; i < mesh2.cd3names.Size(); i++)
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if (mesh2.cd3names[i]) cd3names[i] = new string(*mesh2.cd3names[i]);
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else cd3names[i] = 0;
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numvertices = mesh2.numvertices;
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return *this;
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}
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void Mesh :: DeleteMesh()
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{
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NgLock lock(mutex);
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lock.Lock();
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points.SetSize(0);
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segments.SetSize(0);
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surfelements.SetSize(0);
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volelements.SetSize(0);
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lockedpoints.SetSize(0);
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// surfacesonnode.SetSize(0);
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// delete boundaryedges;
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boundaryedges = nullptr;
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segmentht = nullptr;
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surfelementht = nullptr;
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openelements.SetSize(0);
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facedecoding.SetSize(0);
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ident = make_unique<Identifications> (*this);
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topology = MeshTopology (*this);
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curvedelems = make_unique<CurvedElements> (*this);
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clusters = make_unique<AnisotropicClusters> (*this);
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for ( int i = 0; i < bcnames.Size(); i++ )
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if ( bcnames[i] ) delete bcnames[i];
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for (int i= 0; i< cd2names.Size(); i++)
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if (cd2names[i]) delete cd2names[i];
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#ifdef PARALLEL
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paralleltop = make_unique<ParallelMeshTopology> (*this);
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#endif
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lock.UnLock();
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timestamp = NextTimeStamp();
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}
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void Mesh :: ClearSurfaceElements()
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{
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surfelements.SetSize(0);
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/*
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for (int i = 0; i < facedecoding.Size(); i++)
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facedecoding[i].firstelement = -1;
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*/
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for (auto & fd : facedecoding)
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fd.firstelement = -1;
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timestamp = NextTimeStamp();
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}
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PointIndex Mesh :: AddPoint (const Point3d & p, int layer)
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{
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return AddPoint (p, layer, INNERPOINT);
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}
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PointIndex Mesh :: AddPoint (const Point3d & p, int layer, POINTTYPE type)
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{
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// PointIndex pi = points.End();
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PointIndex pi = *points.Range().end();
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if (points.Size() == points.AllocSize())
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{
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NgLock lock(mutex);
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lock.Lock();
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points.Append ( MeshPoint (p, layer, type) );
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lock.UnLock();
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}
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else
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{
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points.Append ( MeshPoint (p, layer, type) );
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}
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timestamp = NextTimeStamp();
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return pi;
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}
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SegmentIndex Mesh :: AddSegment (const Segment & s)
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{
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NgLock lock(mutex);
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lock.Lock();
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timestamp = NextTimeStamp();
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int maxn = max2 (s[0], s[1]);
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maxn += 1-PointIndex::BASE;
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/*
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if (maxn > ptyps.Size())
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{
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int maxo = ptyps.Size();
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ptyps.SetSize (maxn);
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for (int i = maxo; i < maxn; i++)
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ptyps[i] = INNERPOINT;
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}
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if (ptyps[s[0]] > EDGEPOINT) ptyps[s[0]] = EDGEPOINT;
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if (ptyps[s[1]] > EDGEPOINT) ptyps[s[1]] = EDGEPOINT;
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*/
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if (maxn <= points.Size())
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{
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if (points[s[0]].Type() > EDGEPOINT)
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points[s[0]].SetType (EDGEPOINT);
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if (points[s[1]].Type() > EDGEPOINT)
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points[s[1]].SetType (EDGEPOINT);
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}
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/*
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else
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{
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cerr << "edge points nrs > points.Size" << endl;
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}
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*/
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SegmentIndex si = segments.Size();
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segments.Append (s);
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lock.UnLock();
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return si;
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}
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SurfaceElementIndex Mesh :: AddSurfaceElement (const Element2d & el)
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{
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timestamp = NextTimeStamp();
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PointIndex maxn = el[0];
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for (int i = 1; i < el.GetNP(); i++)
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if (el[i] > maxn) maxn = el[i];
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/*
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maxn += 1-PointIndex::BASE;
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if (maxn <= points.Size())
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{
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for (int i = 0; i < el.GetNP(); i++)
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if (points[el[i]].Type() > SURFACEPOINT)
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points[el[i]].SetType(SURFACEPOINT);
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}
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*/
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// if (maxn < points.End())
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if (maxn < *points.Range().end())
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for (PointIndex pi : el.PNums())
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if (points[pi].Type() > SURFACEPOINT)
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points[pi].SetType(SURFACEPOINT);
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SurfaceElementIndex si = surfelements.Size();
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if (surfelements.AllocSize() == surfelements.Size())
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{
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NgLock lock(mutex);
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lock.Lock();
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surfelements.Append (el);
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lock.UnLock();
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}
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else
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{
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surfelements.Append (el);
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}
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if (el.index<=0 || el.index > facedecoding.Size())
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cerr << "has no facedecoding: fd.size = " << facedecoding.Size() << ", ind = " << el.index << endl;
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surfelements.Last().next = facedecoding[el.index-1].firstelement;
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facedecoding[el.index-1].firstelement = si;
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if (SurfaceArea().Valid())
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SurfaceArea().Add (el);
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return si;
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}
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void Mesh :: SetSurfaceElement (SurfaceElementIndex sei, const Element2d & el)
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{
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int maxn = el[0];
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for (int i = 1; i < el.GetNP(); i++)
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if (el[i] > maxn) maxn = el[i];
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maxn += 1-PointIndex::BASE;
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if (maxn <= points.Size())
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{
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for (int i = 0; i < el.GetNP(); i++)
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if (points[el[i]].Type() > SURFACEPOINT)
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points[el[i]].SetType(SURFACEPOINT);
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}
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surfelements[sei] = el;
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if (el.index > facedecoding.Size())
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cerr << "has no facedecoding: fd.size = " << facedecoding.Size() << ", ind = " << el.index << endl;
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// add lock-free to list ... slow, call RebuildSurfaceElementLists later
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/*
|
|
surfelements[sei].next = facedecoding[el.index-1].firstelement;
|
|
auto & head = reinterpret_cast<atomic<SurfaceElementIndex>&> (facedecoding[el.index-1].firstelement);
|
|
while (!head.compare_exchange_weak (surfelements[sei].next, sei))
|
|
;
|
|
*/
|
|
|
|
/*
|
|
if (SurfaceArea().Valid())
|
|
SurfaceArea().Add (el);
|
|
*/
|
|
}
|
|
|
|
|
|
ElementIndex Mesh :: AddVolumeElement (const Element & el)
|
|
{
|
|
/*
|
|
int maxn = el[0];
|
|
for (int i = 1; i < el.GetNP(); i++)
|
|
if (el[i] > maxn) maxn = el[i];
|
|
|
|
maxn += 1-PointIndex::BASE;
|
|
*/
|
|
|
|
/*
|
|
if (maxn > ptyps.Size())
|
|
{
|
|
int maxo = ptyps.Size();
|
|
ptyps.SetSize (maxn);
|
|
for (i = maxo+PointIndex::BASE;
|
|
i < maxn+PointIndex::BASE; i++)
|
|
ptyps[i] = INNERPOINT;
|
|
}
|
|
*/
|
|
/*
|
|
if (maxn > points.Size())
|
|
{
|
|
cerr << "add vol element before point" << endl;
|
|
}
|
|
*/
|
|
|
|
int ve = volelements.Size();
|
|
|
|
if (volelements.Size() == volelements.AllocSize())
|
|
{
|
|
NgLock lock(mutex);
|
|
lock.Lock();
|
|
volelements.Append (el);
|
|
lock.UnLock();
|
|
}
|
|
else
|
|
{
|
|
volelements.Append (el);
|
|
}
|
|
volelements.Last().Flags().illegal_valid = 0;
|
|
volelements.Last().Flags().fixed = 0;
|
|
volelements.Last().Flags().deleted = 0;
|
|
|
|
// while (volelements.Size() > eltyps.Size())
|
|
// eltyps.Append (FREEELEMENT);
|
|
|
|
timestamp = NextTimeStamp();
|
|
|
|
return ve;
|
|
}
|
|
|
|
void Mesh :: SetVolumeElement (ElementIndex ei, const Element & el)
|
|
{
|
|
/*
|
|
int maxn = el[0];
|
|
for (int i = 1; i < el.GetNP(); i++)
|
|
if (el[i] > maxn) maxn = el[i];
|
|
|
|
maxn += 1-PointIndex::BASE;
|
|
*/
|
|
|
|
volelements[ei] = el;
|
|
volelements[ei].Flags().illegal_valid = 0;
|
|
volelements[ei].Flags().fixed = 0;
|
|
volelements[ei].Flags().deleted = 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: Save (const filesystem::path & filename) const
|
|
{
|
|
string ext0 = filename.stem().extension().string();
|
|
string ext = filename.extension().string();
|
|
|
|
if (ext0 == ".vol" && ext == ".bin")
|
|
{
|
|
BinaryOutArchive in(filename);
|
|
in & const_cast<Mesh&>(*this);
|
|
return;
|
|
}
|
|
|
|
ostream * outfile;
|
|
if (ext0 == ".vol" && ext == ".gz")
|
|
outfile = new ogzstream(filename);
|
|
else if (ext == ".vol")
|
|
outfile = new ofstream(filename);
|
|
else
|
|
outfile = new ogzstream(filesystem::path(filename).concat(".vol.gz"));
|
|
|
|
Save(*outfile);
|
|
delete outfile;
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: Save (ostream & outfile) const
|
|
{
|
|
static Timer timer("Mesh::Save"); RegionTimer rt(timer);
|
|
int i, j;
|
|
|
|
double scale = 1; // globflags.GetNumFlag ("scale", 1);
|
|
int inverttets = 0; // globflags.GetDefineFlag ("inverttets");
|
|
int invertsurf = 0; // globflags.GetDefineFlag ("invertsurfacemesh");
|
|
|
|
outfile << "# Generated by NETGEN " << GetLibraryVersion("netgen") << endl << endl;
|
|
|
|
|
|
outfile << "mesh3d" << "\n";
|
|
|
|
outfile << "dimension\n" << GetDimension() << "\n";
|
|
|
|
outfile << "geomtype\n" << int(geomtype) << "\n";
|
|
|
|
outfile << "\n";
|
|
outfile << "# surfnr\tdomin\tdomout\ttlosurf\tbcprop\n";
|
|
outfile << "facedescriptors\n";
|
|
outfile << GetNFD() << "\n";
|
|
for(auto & fd : FaceDescriptors())
|
|
outfile << fd.SurfNr() << ' ' << fd.DomainIn() << ' ' << fd.DomainOut() << ' ' << fd.TLOSurface() << ' ' << fd.BCProperty() << '\n';
|
|
|
|
|
|
outfile << "\n";
|
|
outfile << "# surfnr bcnr domin domout np p1 p2 p3"
|
|
<< "\n";
|
|
|
|
|
|
switch (geomtype)
|
|
{
|
|
case GEOM_STL:
|
|
outfile << "surfaceelementsgi" << "\n";
|
|
break;
|
|
case GEOM_OCC: case GEOM_ACIS:
|
|
outfile << "surfaceelementsuv" << "\n";
|
|
break;
|
|
default:
|
|
outfile << "surfaceelements" << "\n";
|
|
}
|
|
|
|
outfile << GetNSE() << "\n";
|
|
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
if ((*this)[sei].GetIndex())
|
|
{
|
|
outfile << " " << GetFaceDescriptor((*this)[sei].GetIndex ()).SurfNr()+1;
|
|
outfile << " " << GetFaceDescriptor((*this)[sei].GetIndex ()).BCProperty();
|
|
outfile << " " << GetFaceDescriptor((*this)[sei].GetIndex ()).DomainIn();
|
|
outfile << " " << GetFaceDescriptor((*this)[sei].GetIndex ()).DomainOut();
|
|
}
|
|
else
|
|
outfile << " 0 0 0";
|
|
|
|
Element2d sel = (*this)[sei];
|
|
if (invertsurf)
|
|
sel.Invert();
|
|
|
|
outfile << " " << sel.GetNP();
|
|
for (j = 0; j < sel.GetNP(); j++)
|
|
outfile << " " << sel[j];
|
|
|
|
switch (geomtype)
|
|
{
|
|
case GEOM_STL:
|
|
for (j = 1; j <= sel.GetNP(); j++)
|
|
outfile << " " << sel.GeomInfoPi(j).trignum;
|
|
break;
|
|
case GEOM_OCC: case GEOM_ACIS:
|
|
for (j = 1; j <= sel.GetNP(); j++)
|
|
{
|
|
outfile << " " << sel.GeomInfoPi(j).u;
|
|
outfile << " " << sel.GeomInfoPi(j).v;
|
|
}
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
outfile << "\n";
|
|
}
|
|
|
|
outfile << "\n" << "\n";
|
|
outfile << "# matnr np p1 p2 p3 p4" << "\n";
|
|
outfile << "volumeelements" << "\n";
|
|
outfile << GetNE() << "\n";
|
|
|
|
for (ElementIndex ei = 0; ei < GetNE(); ei++)
|
|
{
|
|
outfile << (*this)[ei].GetIndex();
|
|
outfile << " " << (*this)[ei].GetNP();
|
|
|
|
Element el = (*this)[ei];
|
|
if (inverttets) el.Invert();
|
|
|
|
for (j = 0; j < el.GetNP(); j++)
|
|
outfile << " " << el[j];
|
|
outfile << "\n";
|
|
}
|
|
|
|
|
|
outfile << "\n" << "\n";
|
|
// outfile << " surf1 surf2 p1 p2" << "\n";
|
|
outfile << "# surfid 0 p1 p2 trignum1 trignum2 domin/surfnr1 domout/surfnr2 ednr1 dist1 ednr2 dist2 \n";
|
|
outfile << "edgesegmentsgi2" << "\n";
|
|
outfile << GetNSeg() << "\n";
|
|
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
outfile.width(8);
|
|
outfile << seg.si; // 2D: bc number, 3D: wievielte Kante
|
|
outfile.width(8);
|
|
outfile << 0;
|
|
outfile.width(8);
|
|
outfile << seg[0];
|
|
outfile.width(8);
|
|
outfile << seg[1];
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.geominfo[0].trignum; // stl dreiecke
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.geominfo[1].trignum; // << endl; // stl dreieck
|
|
|
|
if (dimension == 3)
|
|
{
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.surfnr1+1;
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.surfnr2+1;
|
|
}
|
|
else
|
|
{
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.domin;
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.domout;
|
|
}
|
|
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile << seg.edgenr;
|
|
outfile << " ";
|
|
outfile.width(12);
|
|
outfile.precision(16);
|
|
outfile << seg.epgeominfo[0].dist; // splineparameter (2D)
|
|
outfile << " ";
|
|
outfile.width(8);
|
|
outfile.precision(16);
|
|
outfile << seg.epgeominfo[1].edgenr; // geometry dependent
|
|
outfile << " ";
|
|
outfile.width(12);
|
|
outfile << seg.epgeominfo[1].dist;
|
|
|
|
outfile << "\n";
|
|
}
|
|
|
|
|
|
outfile << "\n" << "\n";
|
|
outfile << "# X Y Z" << "\n";
|
|
outfile << "points" << "\n";
|
|
outfile << GetNP() << "\n";
|
|
outfile.precision(16);
|
|
outfile.setf (ios::fixed, ios::floatfield);
|
|
outfile.setf (ios::showpoint);
|
|
|
|
PointIndex pi;
|
|
for (pi = PointIndex::BASE;
|
|
pi < GetNP()+PointIndex::BASE; pi++)
|
|
{
|
|
outfile.width(22);
|
|
outfile << (*this)[pi](0)/scale << " ";
|
|
outfile.width(22);
|
|
outfile << (*this)[pi](1)/scale << " ";
|
|
outfile.width(22);
|
|
outfile << (*this)[pi](2)/scale << "\n";
|
|
}
|
|
|
|
outfile << "\n" << "\n";
|
|
outfile << "# pnum index" << "\n";
|
|
outfile << "pointelements" << "\n";
|
|
outfile << pointelements.Size() << "\n";
|
|
|
|
for (i = 0; i < pointelements.Size(); i++)
|
|
{
|
|
outfile.width(8);
|
|
outfile << pointelements[i].pnum << " ";
|
|
outfile.width(8);
|
|
outfile << pointelements[i].index << "\n";
|
|
}
|
|
|
|
if (ident -> GetMaxNr() > 0)
|
|
{
|
|
outfile << "identifications\n";
|
|
NgArray<INDEX_2> identpairs;
|
|
int cnt = 0;
|
|
for (i = 1; i <= ident -> GetMaxNr(); i++)
|
|
{
|
|
ident -> GetPairs (i, identpairs);
|
|
cnt += identpairs.Size();
|
|
}
|
|
outfile << cnt << "\n";
|
|
for (i = 1; i <= ident -> GetMaxNr(); i++)
|
|
{
|
|
ident -> GetPairs (i, identpairs);
|
|
for (j = 1; j <= identpairs.Size(); j++)
|
|
{
|
|
outfile.width (8);
|
|
outfile << identpairs.Get(j).I1();
|
|
outfile.width (8);
|
|
outfile << identpairs.Get(j).I2();
|
|
outfile.width (8);
|
|
outfile << i << "\n";
|
|
}
|
|
}
|
|
|
|
outfile << "identificationtypes\n";
|
|
outfile << ident -> GetMaxNr() << "\n";
|
|
for (i = 1; i <= ident -> GetMaxNr(); i++)
|
|
{
|
|
int type = ident -> GetType(i);
|
|
outfile << " " << type;
|
|
}
|
|
outfile << "\n";
|
|
}
|
|
|
|
int cntmat = 0;
|
|
for (i = 1; i <= materials.Size(); i++)
|
|
if (materials.Get(i) && materials.Get(i)->length())
|
|
cntmat++;
|
|
|
|
if (cntmat)
|
|
{
|
|
outfile << "materials" << endl;
|
|
outfile << cntmat << endl;
|
|
for (i = 1; i <= materials.Size(); i++)
|
|
if (materials.Get(i) && materials.Get(i)->length())
|
|
outfile << i << " " << *materials.Get(i) << endl;
|
|
}
|
|
|
|
|
|
int cntbcnames = 0;
|
|
for ( int ii = 0; ii < bcnames.Size(); ii++ )
|
|
if ( bcnames[ii] ) cntbcnames++;
|
|
|
|
if ( cntbcnames )
|
|
{
|
|
outfile << "\n\nbcnames" << endl << bcnames.Size() << endl;
|
|
for ( i = 0; i < bcnames.Size(); i++ )
|
|
outfile << i+1 << "\t" << GetBCName(i) << endl;
|
|
outfile << endl << endl;
|
|
}
|
|
int cntcd2names = 0;
|
|
for (int ii = 0; ii<cd2names.Size(); ii++)
|
|
if(cd2names[ii]) cntcd2names++;
|
|
|
|
if(cntcd2names)
|
|
{
|
|
outfile << "\n\ncd2names" << endl << cd2names.Size() << endl;
|
|
for (i=0; i<cd2names.Size(); i++)
|
|
outfile << i+1 << "\t" << GetCD2Name(i) << endl;
|
|
outfile << endl << endl;
|
|
}
|
|
|
|
int cntcd3names = 0;
|
|
for (int ii = 0; ii<cd3names.Size(); ii++)
|
|
if(cd3names[ii]) cntcd3names++;
|
|
|
|
if(cntcd3names)
|
|
{
|
|
outfile << "\n\ncd3names" << endl << cd3names.Size() << endl;
|
|
for (i=0; i<cd3names.Size(); i++)
|
|
outfile << i+1 << "\t" << GetCD3Name(i) << endl;
|
|
outfile << endl << endl;
|
|
}
|
|
|
|
/*
|
|
if ( GetDimension() == 2 )
|
|
{
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
if ( ! bcprops.Contains(seg.si) && seg.GetBCName() != "" )
|
|
{
|
|
bcprops.Append(seg.si);
|
|
cntbcnames++;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
if ((*this)[sei].GetIndex())
|
|
{
|
|
int bcp = GetFaceDescriptor((*this)[sei].GetIndex ()).BCProperty();
|
|
string name = GetFaceDescriptor((*this)[sei].GetIndex ()).BCName();
|
|
if ( !bcprops.Contains(bcp) &&
|
|
name != "" )
|
|
{
|
|
bcprops.Append(bcp);
|
|
cntbcnames++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bcprops.SetSize(0);
|
|
if ( cntbcnames )
|
|
{
|
|
outfile << "\nbcnames" << endl << cntbcnames << endl;
|
|
if ( GetDimension() == 2 )
|
|
{
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
if ( ! bcprops.Contains(seg.si) && seg.GetBCName() != "" )
|
|
{
|
|
bcprops.Append(seg.si);
|
|
outfile << seg.si << "\t" << seg.GetBCName() << endl;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
if ((*this)[sei].GetIndex())
|
|
{
|
|
int bcp = GetFaceDescriptor((*this)[sei].GetIndex ()).BCProperty();
|
|
string name = GetFaceDescriptor((*this)[sei].GetIndex ()).BCName();
|
|
if ( !bcprops.Contains(bcp) &&
|
|
name != "" )
|
|
{
|
|
bcprops.Append(bcp);
|
|
outfile << bcp << "\t" << name << endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
outfile << endl << endl;
|
|
}
|
|
*/
|
|
|
|
int cnt_sing = 0;
|
|
// for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
|
// if ((*this)[pi].Singularity()>=1.) cnt_sing++;
|
|
for (auto & p : points)
|
|
if (p.Singularity() >= 1.) cnt_sing++;
|
|
|
|
if (cnt_sing)
|
|
{
|
|
outfile << "singular_points" << endl << cnt_sing << endl;
|
|
// for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
|
for (PointIndex pi : points.Range())
|
|
if ((*this)[pi].Singularity()>=1.)
|
|
outfile << int(pi) << "\t" << (*this)[pi].Singularity() << endl;
|
|
}
|
|
|
|
cnt_sing = 0;
|
|
for (SegmentIndex si = 0; si < GetNSeg(); si++)
|
|
if ( segments[si].singedge_left ) cnt_sing++;
|
|
if (cnt_sing)
|
|
{
|
|
outfile << "singular_edge_left" << endl << cnt_sing << endl;
|
|
for (SegmentIndex si = 0; si < GetNSeg(); si++)
|
|
if ( segments[si].singedge_left )
|
|
outfile << int(si) << "\t" << segments[si].singedge_left << endl;
|
|
}
|
|
|
|
cnt_sing = 0;
|
|
for (SegmentIndex si = 0; si < GetNSeg(); si++)
|
|
if ( segments[si].singedge_right ) cnt_sing++;
|
|
if (cnt_sing)
|
|
{
|
|
outfile << "singular_edge_right" << endl << cnt_sing << endl;
|
|
for (SegmentIndex si = 0; si < GetNSeg(); si++)
|
|
if ( segments[si].singedge_right )
|
|
outfile << int(si) << "\t" << segments[si].singedge_right << endl;
|
|
}
|
|
|
|
|
|
cnt_sing = 0;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
if ( GetFaceDescriptor ((*this)[sei].GetIndex()).domin_singular)
|
|
cnt_sing++;
|
|
|
|
if (cnt_sing)
|
|
{
|
|
outfile << "singular_face_inside" << endl << cnt_sing << endl;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
if ( GetFaceDescriptor ((*this)[sei].GetIndex()).domin_singular)
|
|
outfile << int(sei) << "\t" <<
|
|
GetFaceDescriptor ((*this)[sei].GetIndex()).domin_singular << endl;
|
|
}
|
|
|
|
cnt_sing = 0;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
if ( GetFaceDescriptor ((*this)[sei].GetIndex()).domout_singular) cnt_sing++;
|
|
if (cnt_sing)
|
|
{
|
|
outfile << "singular_face_outside" << endl << cnt_sing << endl;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
if ( GetFaceDescriptor ((*this)[sei].GetIndex()).domout_singular)
|
|
outfile << int(sei) << "\t"
|
|
<< GetFaceDescriptor ((*this)[sei].GetIndex()).domout_singular << endl;
|
|
}
|
|
|
|
|
|
// Philippose - 09/07/2009
|
|
// Add mesh face colours to Netgen Vol file format
|
|
// The colours are saved in RGB triplets
|
|
int cnt_facedesc = GetNFD();
|
|
if (cnt_facedesc)
|
|
{
|
|
outfile << endl << endl << "# Surfnr Red Green Blue" << endl;
|
|
outfile << "face_colours" << endl << cnt_facedesc << endl;
|
|
|
|
outfile.precision(8);
|
|
outfile.setf(ios::fixed, ios::floatfield);
|
|
outfile.setf(ios::showpoint);
|
|
|
|
for(i = 1; i <= cnt_facedesc; i++)
|
|
{
|
|
outfile.width(8);
|
|
outfile << GetFaceDescriptor(i).SurfNr()+1 << " ";
|
|
outfile.width(12);
|
|
outfile << GetFaceDescriptor(i).SurfColour()[0] << " ";
|
|
outfile.width(12);
|
|
outfile << GetFaceDescriptor(i).SurfColour()[1] << " ";
|
|
outfile.width(12);
|
|
outfile << GetFaceDescriptor(i).SurfColour()[2];
|
|
outfile << endl;
|
|
}
|
|
|
|
outfile << "face_transparencies" << endl << cnt_facedesc << endl;
|
|
for(i = 1; i <= cnt_facedesc; i++)
|
|
{
|
|
outfile.width(8);
|
|
outfile << GetFaceDescriptor(i).SurfNr()+1 << " ";
|
|
outfile.width(12);
|
|
outfile << GetFaceDescriptor(i).SurfColour()[3] << endl;
|
|
}
|
|
}
|
|
|
|
outfile << endl << endl << "endmesh" << endl << endl;
|
|
if (geometry)
|
|
geometry -> SaveToMeshFile (outfile);
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: Load (const filesystem::path & filename)
|
|
{
|
|
PrintMessage (1, "filename = ", filename);
|
|
|
|
string ext0 = filename.stem().extension().string();
|
|
string ext = filename.extension().string();
|
|
|
|
if (ext0 == ".vol" && ext == ".bin")
|
|
{
|
|
BinaryInArchive in(filename);
|
|
in & (*this);
|
|
return;
|
|
}
|
|
|
|
istream * infile = NULL;
|
|
|
|
if (ext0 == ".vol" && ext == ".gz")
|
|
infile = new igzstream (filename);
|
|
else
|
|
infile = new ifstream (filename);
|
|
|
|
if (! (infile -> good()) )
|
|
throw NgException ("mesh file not found");
|
|
|
|
Load(*infile);
|
|
delete infile;
|
|
}
|
|
|
|
|
|
|
|
// Reads mandatory integer and optional string token from input stream
|
|
// used for parsing bcnames, cd2names etc.
|
|
void ReadNumberAndName( istream & infile, int & i, string & s )
|
|
{
|
|
string line;
|
|
std::istringstream iline;
|
|
|
|
bool empty_line = true;
|
|
|
|
while(empty_line && infile)
|
|
{
|
|
std::getline(infile, line);
|
|
iline = std::istringstream{line};
|
|
iline >> i;
|
|
|
|
if(iline)
|
|
empty_line = false;
|
|
|
|
iline >> s;
|
|
}
|
|
|
|
if(!infile)
|
|
throw Exception("Reached end of file while parsing");
|
|
}
|
|
|
|
void Mesh :: Load (istream & infile)
|
|
{
|
|
static Timer timer("Mesh::Load"); RegionTimer rt(timer);
|
|
if (! (infile.good()) )
|
|
{
|
|
cout << "cannot load mesh" << endl;
|
|
throw NgException ("mesh file not found");
|
|
}
|
|
|
|
// int rank = GetCommunicator().Rank();
|
|
int ntasks = GetCommunicator().Size();
|
|
|
|
char str[100];
|
|
int i, n;
|
|
|
|
double scale = 1; // globflags.GetNumFlag ("scale", 1);
|
|
int inverttets = 0; // globflags.GetDefineFlag ("inverttets");
|
|
int invertsurf = 0; // globflags.GetDefineFlag ("invertsurfacemesh");
|
|
|
|
|
|
facedecoding.SetSize(0);
|
|
|
|
bool endmesh = false;
|
|
|
|
|
|
while (infile.good() && !endmesh)
|
|
{
|
|
infile >> str;
|
|
if (strcmp (str, "dimension") == 0)
|
|
{
|
|
infile >> dimension;
|
|
}
|
|
|
|
if (strcmp (str, "geomtype") == 0)
|
|
{
|
|
int hi;
|
|
infile >> hi;
|
|
geomtype = GEOM_TYPE(hi);
|
|
}
|
|
|
|
if (strcmp (str, "facedescriptors") == 0)
|
|
{
|
|
int nfd;
|
|
infile >> nfd;
|
|
for([[maybe_unused]] auto i : Range(nfd))
|
|
{
|
|
int surfnr, domin, domout, tlosurf, bcprop;
|
|
infile >> surfnr >> domin >> domout >> tlosurf >> bcprop;
|
|
auto faceind = AddFaceDescriptor (FaceDescriptor(surfnr, domin, domout, tlosurf));
|
|
GetFaceDescriptor(faceind).SetBCProperty(bcprop);
|
|
}
|
|
}
|
|
|
|
|
|
if (strcmp (str, "surfaceelements") == 0 || strcmp (str, "surfaceelementsgi")==0 || strcmp (str, "surfaceelementsuv") == 0)
|
|
{
|
|
static Timer t1("read surface elements"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
PrintMessage (3, n, " surface elements");
|
|
|
|
bool geominfo = strcmp (str, "surfaceelementsgi") == 0;
|
|
bool uv = strcmp (str, "surfaceelementsuv") == 0;
|
|
|
|
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
int surfnr, bcp, domin, domout, nep, faceind = 0;
|
|
|
|
infile >> surfnr >> bcp >> domin >> domout;
|
|
surfnr--;
|
|
|
|
bool invert_el = false;
|
|
/*
|
|
if (domin == 0)
|
|
{
|
|
invert_el = true;
|
|
Swap (domin, domout);
|
|
}
|
|
*/
|
|
|
|
for (int j = 1; j <= facedecoding.Size(); j++)
|
|
if (GetFaceDescriptor(j).SurfNr() == surfnr &&
|
|
GetFaceDescriptor(j).BCProperty() == bcp &&
|
|
GetFaceDescriptor(j).DomainIn() == domin &&
|
|
GetFaceDescriptor(j).DomainOut() == domout)
|
|
faceind = j;
|
|
|
|
// if (facedecoding.Size()) faceind = 1; // for timing
|
|
|
|
if (!faceind)
|
|
{
|
|
faceind = AddFaceDescriptor (FaceDescriptor(surfnr, domin, domout, 0));
|
|
GetFaceDescriptor(faceind).SetBCProperty (bcp);
|
|
}
|
|
|
|
infile >> nep;
|
|
if (!nep) nep = 3;
|
|
|
|
Element2d tri(nep);
|
|
tri.SetIndex(faceind);
|
|
|
|
for (int j = 1; j <= nep; j++)
|
|
infile >> tri.PNum(j);
|
|
|
|
if (geominfo)
|
|
for (int j = 1; j <= nep; j++)
|
|
infile >> tri.GeomInfoPi(j).trignum;
|
|
|
|
if (uv)
|
|
for (int j = 1; j <= nep; j++)
|
|
infile >> tri.GeomInfoPi(j).u >> tri.GeomInfoPi(j).v;
|
|
|
|
if (invertsurf) tri.Invert();
|
|
if (invert_el) tri.Invert();
|
|
|
|
AddSurfaceElement (tri);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "volumeelements") == 0)
|
|
{
|
|
static Timer t1("read volume elements"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
PrintMessage (3, n, " volume elements");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Element el(TET);
|
|
int hi, nep;
|
|
infile >> hi;
|
|
if (hi == 0) hi = 1;
|
|
el.SetIndex(hi);
|
|
infile >> nep;
|
|
el.SetNP(nep);
|
|
el.SetCurved (nep != 4);
|
|
for (int j = 0; j < nep; j++)
|
|
infile >> (int&)(el[j]);
|
|
|
|
if (inverttets)
|
|
el.Invert();
|
|
|
|
AddVolumeElement (el);
|
|
}
|
|
}
|
|
|
|
|
|
if (strcmp (str, "edgesegments") == 0)
|
|
{
|
|
static Timer t1("read edge segments"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1];
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if (strcmp (str, "edgesegmentsgi") == 0)
|
|
{
|
|
static Timer t1("read edge segmentsgi"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1]
|
|
>> seg.geominfo[0].trignum
|
|
>> seg.geominfo[1].trignum;
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "edgesegmentsgi2") == 0)
|
|
{
|
|
static Timer t1("read edge segmentsgi2"); RegionTimer rt1(t1);
|
|
int a;
|
|
infile >> a;
|
|
n=a;
|
|
|
|
PrintMessage (3, n, " curve elements");
|
|
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1]
|
|
>> seg.geominfo[0].trignum
|
|
>> seg.geominfo[1].trignum
|
|
>> seg.surfnr1 >> seg.surfnr2
|
|
>> seg.edgenr
|
|
>> seg.epgeominfo[0].dist
|
|
>> seg.epgeominfo[1].edgenr
|
|
>> seg.epgeominfo[1].dist;
|
|
|
|
seg.epgeominfo[0].edgenr = seg.epgeominfo[1].edgenr;
|
|
|
|
seg.domin = seg.surfnr1;
|
|
seg.domout = seg.surfnr2;
|
|
|
|
seg.surfnr1--;
|
|
seg.surfnr2--;
|
|
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "points") == 0)
|
|
{
|
|
static Timer t1("read points"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
PrintMessage (3, n, " points");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Point3d p;
|
|
infile >> p.X() >> p.Y() >> p.Z();
|
|
p.X() *= scale;
|
|
p.Y() *= scale;
|
|
p.Z() *= scale;
|
|
AddPoint (p);
|
|
}
|
|
PrintMessage (3, n, " points done");
|
|
}
|
|
|
|
if (strcmp (str, "pointelements") == 0)
|
|
{
|
|
static Timer t1("read point elements"); RegionTimer rt1(t1);
|
|
infile >> n;
|
|
PrintMessage (3, n, " pointelements");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Element0d el;
|
|
infile >> el.pnum >> el.index;
|
|
pointelements.Append (el);
|
|
}
|
|
PrintMessage (3, n, " pointelements done");
|
|
}
|
|
|
|
if (strcmp (str, "identifications") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " identifications");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
PointIndex pi1, pi2;
|
|
int ind;
|
|
infile >> pi1 >> pi2 >> ind;
|
|
ident -> Add (pi1, pi2, ind);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "identificationtypes") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " identificationtypes");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
int type;
|
|
infile >> type;
|
|
ident -> SetType(i,Identifications::ID_TYPE(type));
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "materials") == 0)
|
|
{
|
|
infile >> n;
|
|
for ([[maybe_unused]] auto i : Range(n) )
|
|
{
|
|
int nr;
|
|
string mat;
|
|
ReadNumberAndName( infile, nr, mat );
|
|
SetMaterial (nr, mat.c_str());
|
|
}
|
|
}
|
|
|
|
if ( strcmp (str, "bcnames" ) == 0 )
|
|
{
|
|
infile >> n;
|
|
Array<int> bcnrs(n);
|
|
SetNBCNames(n);
|
|
for ( auto i : Range(n) )
|
|
{
|
|
string nextbcname;
|
|
ReadNumberAndName( infile, bcnrs[i], nextbcname );
|
|
bcnames[bcnrs[i]-1] = new string(nextbcname);
|
|
}
|
|
|
|
if ( GetDimension() == 3 )
|
|
{
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
if ((*this)[sei].GetIndex())
|
|
{
|
|
int bcp = GetFaceDescriptor((*this)[sei].GetIndex ()).BCProperty();
|
|
if ( bcp <= n )
|
|
GetFaceDescriptor((*this)[sei].GetIndex ()).SetBCName(bcnames[bcp-1]);
|
|
else
|
|
GetFaceDescriptor((*this)[sei].GetIndex ()).SetBCName(0);
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if ( strcmp (str, "cd2names" ) == 0)
|
|
{
|
|
infile >> n;
|
|
Array<int> cd2nrs(n);
|
|
SetNCD2Names(n);
|
|
for ( auto i : Range(n) )
|
|
{
|
|
string nextcd2name;
|
|
ReadNumberAndName( infile, cd2nrs[i], nextcd2name );
|
|
cd2names[cd2nrs[i]-1] = new string(nextcd2name);
|
|
}
|
|
if (GetDimension() < 2)
|
|
{
|
|
throw NgException("co dim 2 elements not implemented for dimension < 2");
|
|
}
|
|
}
|
|
|
|
if ( strcmp (str, "cd3names" ) == 0)
|
|
{
|
|
infile >> n;
|
|
Array<int> cd3nrs(n);
|
|
SetNCD3Names(n);
|
|
for( auto i : Range(n) )
|
|
{
|
|
string nextcd3name;
|
|
ReadNumberAndName( infile, cd3nrs[i], nextcd3name );
|
|
cd3names[cd3nrs[i]-1] = new string(nextcd3name);
|
|
}
|
|
if (GetDimension() < 3)
|
|
{
|
|
throw NgException("co dim 3 elements not implemented for dimension < 3");
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "singular_points") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
PointIndex pi;
|
|
double s;
|
|
infile >> pi;
|
|
infile >> s;
|
|
(*this)[pi].Singularity (s);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "singular_edge_left") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
SegmentIndex si;
|
|
double s;
|
|
infile >> si;
|
|
infile >> s;
|
|
(*this)[si].singedge_left = s;
|
|
}
|
|
}
|
|
if (strcmp (str, "singular_edge_right") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
SegmentIndex si;
|
|
double s;
|
|
infile >> si;
|
|
infile >> s;
|
|
(*this)[si].singedge_right = s;
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "singular_face_inside") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
SurfaceElementIndex sei;
|
|
double s;
|
|
infile >> sei;
|
|
infile >> s;
|
|
GetFaceDescriptor((*this)[sei].GetIndex()).domin_singular = s;
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "singular_face_outside") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
SurfaceElementIndex sei;
|
|
double s;
|
|
infile >> sei;
|
|
infile >> s;
|
|
GetFaceDescriptor((*this)[sei].GetIndex()).domout_singular = s;
|
|
}
|
|
}
|
|
|
|
// Philippose - 09/07/2009
|
|
// Add mesh face colours to Netgen Vol file format
|
|
// The colours are read in as RGB triplets
|
|
if (strcmp (str, "face_colours") == 0)
|
|
{
|
|
int cnt_facedesc = GetNFD();
|
|
infile >> n;
|
|
if(n == cnt_facedesc)
|
|
{
|
|
for(i = 1; i <= n; i++)
|
|
{
|
|
int surfnr = 0;
|
|
Vec<4> surfcolour(0.0,1.0,0.0,1.0);
|
|
|
|
infile >> surfnr
|
|
>> surfcolour[0]
|
|
>> surfcolour[1]
|
|
>> surfcolour[2];
|
|
|
|
surfnr--;
|
|
|
|
if(surfnr > 0)
|
|
{
|
|
for(int facedesc = 1; facedesc <= cnt_facedesc; facedesc++)
|
|
{
|
|
if(surfnr == GetFaceDescriptor(facedesc).SurfNr())
|
|
{
|
|
GetFaceDescriptor(facedesc).SetSurfColour(surfcolour);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "face_transparencies") == 0)
|
|
{
|
|
int cnt_facedesc = GetNFD();
|
|
infile >> n;
|
|
// int index = 1;
|
|
if(n == cnt_facedesc)
|
|
{
|
|
for(int index = 1; index <= n; index++)
|
|
{
|
|
int surfnr;
|
|
double transp;
|
|
infile >> surfnr >> transp;
|
|
surfnr--;
|
|
if(surfnr > 0)
|
|
{
|
|
for(int facedesc = 1; facedesc <= cnt_facedesc; facedesc++)
|
|
{
|
|
if(surfnr == GetFaceDescriptor(facedesc).SurfNr())
|
|
{
|
|
auto& fd = GetFaceDescriptor(facedesc);
|
|
auto scol = fd.SurfColour();
|
|
scol[3] = transp;
|
|
fd.SetSurfColour(scol);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "endmesh") == 0)
|
|
endmesh = true;
|
|
|
|
|
|
|
|
strcpy (str, "");
|
|
}
|
|
|
|
|
|
|
|
|
|
CalcSurfacesOfNode ();
|
|
|
|
if (ntasks == 1) // sequential run only
|
|
{
|
|
topology.Update();
|
|
clusters -> Update();
|
|
}
|
|
|
|
SetNextMajorTimeStamp();
|
|
// PrintMemInfo (cout);
|
|
}
|
|
|
|
|
|
void Mesh :: DoArchive (Archive & archive)
|
|
{
|
|
static Timer t("Mesh::Archive"); RegionTimer r(t);
|
|
|
|
#ifdef PARALLEL
|
|
auto comm = GetCommunicator();
|
|
if (archive.IsParallel() && comm.Size() > 1)
|
|
{ // parallel pickling supported only for output archives
|
|
if (comm.Rank() == 0)
|
|
archive & dimension;
|
|
|
|
// auto rank = comm.Rank();
|
|
|
|
auto & partop = GetParallelTopology();
|
|
|
|
// global enumration of points:
|
|
// not used now, but will be needed for refined meshes
|
|
// GridFunciton pickling is not compatible, now
|
|
// should go to paralleltopology
|
|
|
|
|
|
|
|
// merge points
|
|
Array<PointIndex, PointIndex> globnum(points.Size());
|
|
PointIndex maxglob = -1;
|
|
for (auto pi : Range(points))
|
|
{
|
|
globnum[pi] = partop.GetGlobalPNum(pi);
|
|
// globnum[pi] = global_pnums[pi];
|
|
maxglob = max(globnum[pi], maxglob);
|
|
}
|
|
|
|
maxglob = comm.AllReduce (maxglob, MPI_MAX);
|
|
int numglob = maxglob+1-PointIndex::BASE;
|
|
if (comm.Rank() > 0)
|
|
{
|
|
comm.Send (globnum, 0, 200);
|
|
comm.Send (points, 0, 200);
|
|
}
|
|
else
|
|
{
|
|
Array<PointIndex, PointIndex> globnumi;
|
|
Array<MeshPoint, PointIndex> pointsi;
|
|
Array<MeshPoint, PointIndex> globpoints(numglob);
|
|
for (int j = 1; j < comm.Size(); j++)
|
|
{
|
|
comm.Recv (globnumi, j, 200);
|
|
comm.Recv (pointsi, j, 200);
|
|
for (auto i : Range(globnumi))
|
|
globpoints[globnumi[i]] = pointsi[i];
|
|
}
|
|
archive & globpoints;
|
|
}
|
|
|
|
|
|
// sending surface elements
|
|
auto copy_el2d (surfelements);
|
|
for (auto & el : copy_el2d)
|
|
for (auto & pi : el.PNums())
|
|
pi = globnum[pi];
|
|
|
|
if (comm.Rank() > 0)
|
|
comm.Send(copy_el2d, 0, 200);
|
|
else
|
|
{
|
|
Array<Element2d, SurfaceElementIndex> el2di;
|
|
for (int j = 1; j < comm.Size(); j++)
|
|
{
|
|
comm.Recv(el2di, j, 200);
|
|
for (auto & el : el2di)
|
|
copy_el2d += el;
|
|
}
|
|
archive & copy_el2d;
|
|
}
|
|
|
|
|
|
// sending volume elements
|
|
auto copy_el3d (volelements);
|
|
for (auto & el : copy_el3d)
|
|
for (auto & pi : el.PNums())
|
|
pi = globnum[pi];
|
|
|
|
if (comm.Rank() > 0)
|
|
comm.Send(copy_el3d, 0, 200);
|
|
else
|
|
{
|
|
Array<Element, ElementIndex> el3di;
|
|
for (int j = 1; j < comm.Size(); j++)
|
|
{
|
|
comm.Recv(el3di, j, 200);
|
|
for (auto & el : el3di)
|
|
copy_el3d += el;
|
|
}
|
|
archive & copy_el3d;
|
|
}
|
|
|
|
|
|
// sending 1D elements
|
|
auto copy_el1d (segments);
|
|
for (auto & el : copy_el1d)
|
|
for (auto & pi : el.pnums)
|
|
if (pi != PointIndex(PointIndex::INVALID))
|
|
pi = globnum[pi];
|
|
|
|
if (comm.Rank() > 0)
|
|
comm.Send(copy_el1d, 0, 200);
|
|
else
|
|
{
|
|
Array<Segment, SegmentIndex> el1di;
|
|
for (int j = 1; j < comm.Size(); j++)
|
|
{
|
|
comm.Recv(el1di, j, 200);
|
|
for (auto & el : el1di)
|
|
copy_el1d += el;
|
|
}
|
|
archive & copy_el1d;
|
|
}
|
|
|
|
if (comm.Rank() == 0)
|
|
{
|
|
archive & facedecoding;
|
|
archive & materials & bcnames & cd2names & cd3names;
|
|
auto mynv = numglob;
|
|
archive & mynv; // numvertices;
|
|
archive & *ident;
|
|
|
|
if(archive.GetVersion("netgen") >= "v6.2.2103-1")
|
|
{
|
|
archive.NeedsVersion("netgen", "v6.2.2103-1");
|
|
archive & vol_partition & surf_partition & seg_partition;
|
|
}
|
|
|
|
archive.Shallow(geometry);
|
|
archive & *curvedelems;
|
|
}
|
|
|
|
if (comm.Rank() == 0)
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
|
|
archive & dimension;
|
|
archive & points;
|
|
archive & surfelements;
|
|
archive & volelements;
|
|
archive & segments;
|
|
archive & facedecoding;
|
|
archive & materials & bcnames & cd2names & cd3names;
|
|
archive & numvertices;
|
|
|
|
archive & *ident;
|
|
|
|
// cout << "archive, ngsversion = " << archive.GetVersion("netgen") << endl;
|
|
if(archive.GetVersion("netgen") >= "v6.2.2103-1")
|
|
{
|
|
// cout << "do the partition" << endl;
|
|
archive.NeedsVersion("netgen", "v6.2.2103-1");
|
|
archive & vol_partition & surf_partition & seg_partition;
|
|
}
|
|
// else
|
|
// cout << "no partition" << endl;
|
|
|
|
archive.Shallow(geometry);
|
|
archive & *curvedelems;
|
|
|
|
if (archive.Input())
|
|
{
|
|
// int rank = GetCommunicator().Rank();
|
|
int ntasks = GetCommunicator().Size();
|
|
|
|
RebuildSurfaceElementLists();
|
|
|
|
CalcSurfacesOfNode ();
|
|
if (ntasks == 1) // sequential run only
|
|
{
|
|
topology.Update();
|
|
clusters -> Update();
|
|
}
|
|
SetNextMajorTimeStamp();
|
|
}
|
|
}
|
|
|
|
|
|
void Mesh :: Merge (const filesystem::path & filename, const int surfindex_offset)
|
|
{
|
|
ifstream infile(filename);
|
|
if (!infile.good())
|
|
throw NgException ("mesh file not found");
|
|
|
|
Merge(infile,surfindex_offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: Merge (istream & infile, const int surfindex_offset)
|
|
{
|
|
char str[100];
|
|
int i, n;
|
|
|
|
|
|
int inverttets = 0; // globflags.GetDefineFlag ("inverttets");
|
|
|
|
int oldnp = GetNP();
|
|
int oldne = GetNSeg();
|
|
int oldnd = GetNDomains();
|
|
|
|
for(SurfaceElementIndex si = 0; si < GetNSE(); si++)
|
|
for(int j=1; j<=(*this)[si].GetNP(); j++) (*this)[si].GeomInfoPi(j).trignum = -1;
|
|
|
|
int max_surfnr = 0;
|
|
for (i = 1; i <= GetNFD(); i++)
|
|
max_surfnr = max2 (max_surfnr, GetFaceDescriptor(i).SurfNr());
|
|
max_surfnr++;
|
|
|
|
if(max_surfnr < surfindex_offset) max_surfnr = surfindex_offset;
|
|
|
|
|
|
bool endmesh = false;
|
|
|
|
while (infile.good() && !endmesh)
|
|
{
|
|
infile >> str;
|
|
|
|
if (strcmp (str, "surfaceelementsgi") == 0 || strcmp (str, "surfaceelements") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " surface elements");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
int j;
|
|
int surfnr, bcp, domin, domout, nep, faceind = 0;
|
|
infile >> surfnr >> bcp >> domin >> domout;
|
|
|
|
surfnr--;
|
|
|
|
if(domin > 0) domin += oldnd;
|
|
if(domout > 0) domout += oldnd;
|
|
surfnr += max_surfnr;
|
|
|
|
|
|
for (j = 1; j <= facedecoding.Size(); j++)
|
|
if (GetFaceDescriptor(j).SurfNr() == surfnr &&
|
|
GetFaceDescriptor(j).BCProperty() == bcp &&
|
|
GetFaceDescriptor(j).DomainIn() == domin &&
|
|
GetFaceDescriptor(j).DomainOut() == domout)
|
|
faceind = j;
|
|
|
|
if (!faceind)
|
|
{
|
|
faceind = AddFaceDescriptor (FaceDescriptor(surfnr, domin, domout, 0));
|
|
if(GetDimension() == 2) bcp++;
|
|
GetFaceDescriptor(faceind).SetBCProperty (bcp);
|
|
}
|
|
|
|
infile >> nep;
|
|
if (!nep) nep = 3;
|
|
|
|
Element2d tri(nep);
|
|
tri.SetIndex(faceind);
|
|
|
|
for (j = 1; j <= nep; j++)
|
|
{
|
|
infile >> tri.PNum(j);
|
|
tri.PNum(j) = tri.PNum(j) + oldnp;
|
|
}
|
|
|
|
|
|
if (strcmp (str, "surfaceelementsgi") == 0)
|
|
for (j = 1; j <= nep; j++)
|
|
{
|
|
infile >> tri.GeomInfoPi(j).trignum;
|
|
tri.GeomInfoPi(j).trignum = -1;
|
|
}
|
|
|
|
AddSurfaceElement (tri);
|
|
}
|
|
}
|
|
|
|
|
|
if (strcmp (str, "edgesegments") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1];
|
|
seg[0] = seg[0] + oldnp;
|
|
seg[1] = seg[1] + oldnp;
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if (strcmp (str, "edgesegmentsgi") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1]
|
|
>> seg.geominfo[0].trignum
|
|
>> seg.geominfo[1].trignum;
|
|
seg[0] = seg[0] + oldnp;
|
|
seg[1] = seg[1] + oldnp;
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
if (strcmp (str, "edgesegmentsgi2") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " curve elements");
|
|
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Segment seg;
|
|
int hi;
|
|
infile >> seg.si >> hi >> seg[0] >> seg[1]
|
|
>> seg.geominfo[0].trignum
|
|
>> seg.geominfo[1].trignum
|
|
>> seg.surfnr1 >> seg.surfnr2
|
|
>> seg.edgenr
|
|
>> seg.epgeominfo[0].dist
|
|
>> seg.epgeominfo[1].edgenr
|
|
>> seg.epgeominfo[1].dist;
|
|
seg.epgeominfo[0].edgenr = seg.epgeominfo[1].edgenr;
|
|
|
|
seg.surfnr1--;
|
|
seg.surfnr2--;
|
|
|
|
if(seg.surfnr1 >= 0) seg.surfnr1 = seg.surfnr1 + max_surfnr;
|
|
if(seg.surfnr2 >= 0) seg.surfnr2 = seg.surfnr2 + max_surfnr;
|
|
seg[0] = seg[0] +oldnp;
|
|
seg[1] = seg[1] +oldnp;
|
|
*testout << "old edgenr: " << seg.edgenr << endl;
|
|
seg.edgenr = seg.edgenr + oldne;
|
|
*testout << "new edgenr: " << seg.edgenr << endl;
|
|
seg.epgeominfo[1].edgenr = seg.epgeominfo[1].edgenr + oldne;
|
|
|
|
AddSegment (seg);
|
|
}
|
|
}
|
|
|
|
if (strcmp (str, "volumeelements") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " volume elements");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Element el(TET);
|
|
int hi, nep;
|
|
infile >> hi;
|
|
if (hi == 0) hi = 1;
|
|
el.SetIndex(hi+oldnd);
|
|
infile >> nep;
|
|
el.SetNP(nep);
|
|
|
|
for (int j = 0; j < nep; j++)
|
|
{
|
|
infile >> (int&)(el[j]);
|
|
el[j] = el[j]+oldnp;
|
|
}
|
|
|
|
if (inverttets)
|
|
el.Invert();
|
|
|
|
AddVolumeElement (el);
|
|
}
|
|
}
|
|
|
|
|
|
if (strcmp (str, "points") == 0)
|
|
{
|
|
infile >> n;
|
|
PrintMessage (3, n, " points");
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
Point3d p;
|
|
infile >> p.X() >> p.Y() >> p.Z();
|
|
AddPoint (p);
|
|
}
|
|
}
|
|
|
|
|
|
if (strcmp (str, "endmesh") == 0)
|
|
{
|
|
endmesh = true;
|
|
}
|
|
|
|
|
|
if (strcmp (str, "materials") == 0)
|
|
{
|
|
infile >> n;
|
|
for (i = 1; i <= n; i++)
|
|
{
|
|
int nr;
|
|
string mat;
|
|
infile >> nr >> mat;
|
|
SetMaterial (nr+oldnd, mat.c_str());
|
|
}
|
|
}
|
|
|
|
|
|
strcpy (str, "");
|
|
}
|
|
|
|
CalcSurfacesOfNode ();
|
|
|
|
topology.Update();
|
|
clusters -> Update();
|
|
|
|
SetNextMajorTimeStamp();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool Mesh :: TestOk () const
|
|
{
|
|
for (ElementIndex ei = 0; ei < volelements.Size(); ei++)
|
|
{
|
|
for (int j = 0; j < 4; j++)
|
|
if ( (*this)[ei][j] <= PointIndex::BASE-1)
|
|
{
|
|
(*testout) << "El " << ei << " has 0 nodes: ";
|
|
for (int k = 0; k < 4; k++)
|
|
(*testout) << (*this)[ei][k];
|
|
break;
|
|
}
|
|
}
|
|
CheckMesh3D (*this);
|
|
return 1;
|
|
}
|
|
|
|
void Mesh :: SetAllocSize(int nnodes, int nsegs, int nsel, int nel)
|
|
{
|
|
points.SetAllocSize(nnodes);
|
|
segments.SetAllocSize(nsegs);
|
|
surfelements.SetAllocSize(nsel);
|
|
volelements.SetAllocSize(nel);
|
|
}
|
|
|
|
void Mesh :: BuildBoundaryEdges(bool rebuild)
|
|
{
|
|
static Timer t("Mesh::BuildBoundaryEdges"); RegionTimer reg(t);
|
|
|
|
if(!rebuild && boundaryedges)
|
|
return;
|
|
|
|
boundaryedges = make_unique<INDEX_2_CLOSED_HASHTABLE<int>>
|
|
(3 * (GetNSE() + GetNOpenElements()) + GetNSeg() + 1);
|
|
|
|
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
// int si = sel.GetIndex();
|
|
|
|
if (sel.GetNP() <= 4)
|
|
for (int j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel.PNumMod(j+1);
|
|
i2.I2() = sel.PNumMod(j+2);
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
}
|
|
else if (sel.GetType()==TRIG6)
|
|
{
|
|
for (int j = 0; j < 3; j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel[j];
|
|
i2.I2() = sel[(j+1)%3];
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
}
|
|
}
|
|
else
|
|
cerr << "illegal element for buildboundaryedges" << endl;
|
|
}
|
|
|
|
|
|
for (int i = 0; i < openelements.Size(); i++)
|
|
{
|
|
const Element2d & sel = openelements[i];
|
|
for (int j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel.PNumMod(j+1);
|
|
i2.I2() = sel.PNumMod(j+2);
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
|
|
points[sel[j]].SetType(FIXEDPOINT);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = segments[i];
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort();
|
|
|
|
boundaryedges -> Set (i2, 2);
|
|
//segmentht -> Set (i2, i);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void Mesh :: CalcSurfacesOfNode ()
|
|
{
|
|
static Timer t("Mesh::CalcSurfacesOfNode"); RegionTimer reg (t);
|
|
static Timer tn2se("Mesh::CalcSurfacesOfNode - surf on node");
|
|
static Timer tht("Mesh::CalcSurfacesOfNode - surfelementht");
|
|
// surfacesonnode.SetSize (GetNP());
|
|
TABLE<int,PointIndex::BASE> surfacesonnode(GetNP());
|
|
|
|
// delete boundaryedges;
|
|
// boundaryedges = NULL;
|
|
boundaryedges = nullptr;
|
|
|
|
// delete surfelementht;
|
|
// surfelementht = nullptr;
|
|
surfelementht = nullptr;
|
|
// delete segmentht;
|
|
|
|
/*
|
|
surfelementht = new INDEX_3_HASHTABLE<int> (GetNSE()/4 + 1);
|
|
segmentht = new INDEX_2_HASHTABLE<int> (GetNSeg() + 1);
|
|
*/
|
|
|
|
if (dimension == 3)
|
|
surfelementht = make_unique<INDEX_3_CLOSED_HASHTABLE<int>> (3*GetNSE() + 1);
|
|
segmentht = make_unique<INDEX_2_CLOSED_HASHTABLE<int>> (3*GetNSeg() + 1);
|
|
|
|
tn2se.Start();
|
|
if (dimension == 3)
|
|
/*
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
*/
|
|
for (const Element2d & sel : surfelements)
|
|
{
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
int si = sel.GetIndex();
|
|
|
|
/*
|
|
for (int j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
PointIndex pi = sel[j];
|
|
*/
|
|
for (PointIndex pi : sel.PNums())
|
|
{
|
|
if (!surfacesonnode[pi].Contains(si))
|
|
surfacesonnode.Add (pi, si);
|
|
/*
|
|
bool found = 0;
|
|
for (int k = 0; k < surfacesonnode[pi].Size(); k++)
|
|
if (surfacesonnode[pi][k] == si)
|
|
{
|
|
found = 1;
|
|
break;
|
|
}
|
|
|
|
if (!found)
|
|
surfacesonnode.Add (pi, si);
|
|
*/
|
|
}
|
|
}
|
|
/*
|
|
for (sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
INDEX_3 i3;
|
|
i3.I1() = sel.PNum(1);
|
|
i3.I2() = sel.PNum(2);
|
|
i3.I3() = sel.PNum(3);
|
|
i3.Sort();
|
|
surfelementht -> PrepareSet (i3);
|
|
}
|
|
|
|
surfelementht -> AllocateElements();
|
|
*/
|
|
tn2se.Stop();
|
|
|
|
tht.Start();
|
|
if (dimension==3)
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
INDEX_3 i3;
|
|
i3.I1() = sel.PNum(1);
|
|
i3.I2() = sel.PNum(2);
|
|
i3.I3() = sel.PNum(3);
|
|
i3.Sort();
|
|
surfelementht -> Set (i3, sei); // war das wichtig ??? sel.GetIndex());
|
|
}
|
|
tht.Stop();
|
|
|
|
// int np = GetNP();
|
|
|
|
if (dimension == 3)
|
|
{
|
|
static Timer t("Mesh::CalcSurfacesOfNode, pointloop"); RegionTimer reg (t);
|
|
/*
|
|
for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
|
points[pi].SetType (INNERPOINT);
|
|
*/
|
|
for (auto & p : points)
|
|
p.SetType (INNERPOINT);
|
|
|
|
if (GetNFD() == 0)
|
|
{
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
for (int j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
PointIndex pi = SurfaceElement(sei)[j];
|
|
points[pi].SetType(FIXEDPOINT);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
for (int j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
PointIndex pi = sel[j];
|
|
int ns = surfacesonnode[pi].Size();
|
|
if (ns == 1)
|
|
points[pi].SetType(SURFACEPOINT);
|
|
if (ns == 2)
|
|
points[pi].SetType(EDGEPOINT);
|
|
if (ns >= 3)
|
|
points[pi].SetType(FIXEDPOINT);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
for (int i = 0; i < segments.Size(); i++)
|
|
{
|
|
const Segment & seg = segments[i];
|
|
*/
|
|
for (const Segment & seg : segments)
|
|
{
|
|
for (int j = 1; j <= 2; j++)
|
|
{
|
|
PointIndex hi = (j == 1) ? seg[0] : seg[1];
|
|
if (points[hi].Type() == INNERPOINT ||
|
|
points[hi].Type() == SURFACEPOINT)
|
|
points[hi].SetType(EDGEPOINT);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < lockedpoints.Size(); i++)
|
|
points[lockedpoints[i]].SetType(FIXEDPOINT);
|
|
|
|
for(const auto& pointel : pointelements)
|
|
points[pointel.pnum].SetType(FIXEDPOINT);
|
|
|
|
/*
|
|
for (i = 0; i < openelements.Size(); i++)
|
|
{
|
|
const Element2d & sel = openelements[i];
|
|
for (j = 0; j < sel.GetNP(); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel.PNumMod(j+1);
|
|
i2.I2() = sel.PNumMod(j+2);
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
|
|
points[sel[j]].SetType(FIXEDPOINT);
|
|
}
|
|
}
|
|
*/
|
|
|
|
// eltyps.SetSize (GetNE());
|
|
// eltyps = FREEELEMENT;
|
|
|
|
for (int i = 0; i < GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = segments[i];
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort();
|
|
|
|
//boundaryedges -> Set (i2, 2);
|
|
segmentht -> Set (i2, i);
|
|
}
|
|
}
|
|
|
|
// NgBitArray base is PointIndex::BASE ...
|
|
void Mesh :: FixPoints (const NgBitArray & fixpoints)
|
|
{
|
|
if (fixpoints.Size() != GetNP())
|
|
{
|
|
cerr << "Mesh::FixPoints: sizes don't fit" << endl;
|
|
return;
|
|
}
|
|
/*
|
|
int np = GetNP();
|
|
for (int i = 1; i <= np; i++)
|
|
if (fixpoints.Test(i))
|
|
{
|
|
points.Elem(i).SetType (FIXEDPOINT);
|
|
}
|
|
*/
|
|
for (PointIndex pi : points.Range())
|
|
if (fixpoints.Test(pi))
|
|
points[pi].SetType(FIXEDPOINT);
|
|
}
|
|
|
|
|
|
void Mesh :: FindOpenElements (int dom)
|
|
{
|
|
static Timer t("Mesh::FindOpenElements"); RegionTimer reg (t);
|
|
static Timer t_table("Mesh::FindOpenElements - build table");
|
|
static Timer t_pointloop("Mesh::FindOpenElements - pointloop");
|
|
|
|
int np = GetNP();
|
|
// int ne = GetNE();
|
|
int nse = GetNSE();
|
|
|
|
t_table.Start();
|
|
|
|
auto elsonpoint = ngcore::CreateSortedTable<ElementIndex, PointIndex>( volelements.Range(),
|
|
[&](auto & table, ElementIndex ei)
|
|
{
|
|
const Element & el = (*this)[ei];
|
|
if(el.IsDeleted()) return;
|
|
if (dom == 0 || dom == el.GetIndex())
|
|
{
|
|
if (el.GetNP() == 4)
|
|
{
|
|
INDEX_4 i4(el[0], el[1], el[2], el[3]);
|
|
i4.Sort();
|
|
table.Add (PointIndex(i4.I1()), ei);
|
|
table.Add (PointIndex(i4.I2()), ei);
|
|
}
|
|
else
|
|
{
|
|
for (PointIndex pi : el.PNums())
|
|
table.Add(pi, ei);
|
|
}
|
|
}
|
|
}, GetNP());
|
|
|
|
|
|
NgArray<int,PointIndex::BASE> numonpoint(np);
|
|
/*
|
|
numonpoint = 0;
|
|
for (ElementIndex ei = 0; ei < ne; ei++)
|
|
{
|
|
const Element & el = (*this)[ei];
|
|
if (dom == 0 || dom == el.GetIndex())
|
|
{
|
|
if (el.GetNP() == 4)
|
|
{
|
|
INDEX_4 i4(el[0], el[1], el[2], el[3]);
|
|
i4.Sort();
|
|
numonpoint[i4.I1()]++;
|
|
numonpoint[i4.I2()]++;
|
|
}
|
|
else
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
numonpoint[el[j]]++;
|
|
}
|
|
}
|
|
|
|
TABLE<ElementIndex,PointIndex::BASE> elsonpoint(numonpoint);
|
|
for (ElementIndex ei = 0; ei < ne; ei++)
|
|
{
|
|
const Element & el = (*this)[ei];
|
|
if (dom == 0 || dom == el.GetIndex())
|
|
{
|
|
if (el.GetNP() == 4)
|
|
{
|
|
INDEX_4 i4(el[0], el[1], el[2], el[3]);
|
|
i4.Sort();
|
|
elsonpoint.Add (i4.I1(), ei);
|
|
elsonpoint.Add (i4.I2(), ei);
|
|
}
|
|
else
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
elsonpoint.Add (el[j], ei);
|
|
}
|
|
}
|
|
*/
|
|
t_table.Stop();
|
|
|
|
|
|
NgArray<bool, 1> hasface(GetNFD());
|
|
|
|
for (int i = 1; i <= GetNFD(); i++)
|
|
{
|
|
int domin = GetFaceDescriptor(i).DomainIn();
|
|
int domout = GetFaceDescriptor(i).DomainOut();
|
|
hasface[i] =
|
|
( dom == 0 && (domin != 0 || domout != 0) ) ||
|
|
( dom != 0 && (domin == dom || domout == dom) );
|
|
}
|
|
|
|
numonpoint = 0;
|
|
for (SurfaceElementIndex sii = 0; sii < nse; sii++)
|
|
{
|
|
int ind = surfelements[sii].GetIndex();
|
|
/*
|
|
if (
|
|
GetFaceDescriptor(ind).DomainIn() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainIn())
|
|
||
|
|
GetFaceDescriptor(ind).DomainOut() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainOut())
|
|
)
|
|
*/
|
|
if (hasface[ind])
|
|
{
|
|
/*
|
|
Element2d hel = surfelements[i];
|
|
hel.NormalizeNumbering();
|
|
numonpoint[hel[0]]++;
|
|
*/
|
|
const Element2d & hel = surfelements[sii];
|
|
int mini = 0;
|
|
for (int j = 1; j < hel.GetNP(); j++)
|
|
if (hel[j] < hel[mini])
|
|
mini = j;
|
|
numonpoint[hel[mini]]++;
|
|
}
|
|
}
|
|
|
|
TABLE<SurfaceElementIndex,PointIndex::BASE> selsonpoint(numonpoint);
|
|
for (SurfaceElementIndex sii = 0; sii < nse; sii++)
|
|
{
|
|
int ind = surfelements[sii].GetIndex();
|
|
|
|
/*
|
|
if (
|
|
GetFaceDescriptor(ind).DomainIn() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainIn())
|
|
||
|
|
GetFaceDescriptor(ind).DomainOut() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainOut())
|
|
)
|
|
*/
|
|
if (hasface[ind])
|
|
{
|
|
/*
|
|
Element2d hel = surfelements[i];
|
|
hel.NormalizeNumbering();
|
|
selsonpoint.Add (hel[0], i);
|
|
*/
|
|
const Element2d & hel = surfelements[sii];
|
|
int mini = 0;
|
|
for (int j = 1; j < hel.GetNP(); j++)
|
|
if (hel[j] < hel[mini])
|
|
mini = j;
|
|
selsonpoint.Add (hel[mini], sii);
|
|
}
|
|
}
|
|
|
|
|
|
// PointIndex pi;
|
|
// SurfaceElementIndex sei;
|
|
// Element2d hel;
|
|
|
|
struct tval { int index; PointIndex p4; };
|
|
openelements.SetSize(0);
|
|
|
|
t_pointloop.Start();
|
|
|
|
/*
|
|
INDEX_3_CLOSED_HASHTABLE<tval> faceht(100);
|
|
|
|
for (PointIndex pi : points.Range())
|
|
if (selsonpoint[pi].Size()+elsonpoint[pi].Size())
|
|
{
|
|
faceht.SetSize (2 * selsonpoint[pi].Size() + 4 * elsonpoint[pi].Size());
|
|
|
|
for (SurfaceElementIndex sei : selsonpoint[pi])
|
|
{
|
|
Element2d hel = SurfaceElement(sei);
|
|
if (hel.GetType() == TRIG6) hel.SetType(TRIG);
|
|
int ind = hel.GetIndex();
|
|
|
|
if (GetFaceDescriptor(ind).DomainIn() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainIn()) )
|
|
{
|
|
hel.NormalizeNumbering();
|
|
if (hel.PNum(1) == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
tval i2;
|
|
i2.index = GetFaceDescriptor(ind).DomainIn();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel.PNum(4);
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
if (GetFaceDescriptor(ind).DomainOut() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainOut()) )
|
|
{
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
if (hel.PNum(1) == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
tval i2;
|
|
i2.index = GetFaceDescriptor(ind).DomainOut();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel.PNum(4);
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (ElementIndex ei : elsonpoint[pi])
|
|
{
|
|
const Element & el = VolumeElement(ei);
|
|
|
|
if (dom == 0 || el.GetIndex() == dom)
|
|
{
|
|
for (int j = 1; j <= el.GetNFaces(); j++)
|
|
{
|
|
Element2d hel(TRIG);
|
|
el.GetFace (j, hel);
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
|
|
if (hel[0] == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
|
|
if (faceht.Used (i3))
|
|
{
|
|
tval i2 = faceht.Get(i3);
|
|
if (i2.index == el.GetIndex())
|
|
{
|
|
i2.index = PointIndex::BASE-1;
|
|
faceht.Set (i3, i2);
|
|
}
|
|
else
|
|
{
|
|
if (i2.index == 0)
|
|
{
|
|
PrintSysError ("more elements on face");
|
|
(*testout) << "more elements on face!!!" << endl;
|
|
(*testout) << "el = " << el << endl;
|
|
(*testout) << "hel = " << hel << endl;
|
|
(*testout) << "face = " << i3 << endl;
|
|
(*testout) << "points = " << endl;
|
|
for (int jj = 1; jj <= 3; jj++)
|
|
(*testout) << "p = " << Point(i3.I(jj)) << endl;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
|
|
tval i2;
|
|
i2.index = el.GetIndex();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel[3];
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < faceht.Size(); i++)
|
|
if (faceht.UsedPos (i))
|
|
{
|
|
INDEX_3 i3;
|
|
//INDEX_2 i2;
|
|
tval i2;
|
|
faceht.GetData (i, i3, i2);
|
|
if (i2.index != PointIndex::BASE-1)
|
|
{
|
|
Element2d tri ( (i2.p4 == PointIndex::BASE-1) ? TRIG : QUAD);
|
|
for (int l = 0; l < 3; l++)
|
|
tri[l] = i3.I(l+1);
|
|
tri.PNum(4) = i2.p4;
|
|
tri.SetIndex (i2.index);
|
|
openelements.Append (tri);
|
|
}
|
|
}
|
|
}
|
|
|
|
*/
|
|
|
|
size_t numtasks = 4*ngcore::TaskManager::GetNumThreads();
|
|
Array<Array<Element2d>> thread_openelements(numtasks);
|
|
ParallelJob
|
|
( [&](TaskInfo & ti)
|
|
{
|
|
auto myrange = points.Range().Split(ti.task_nr, ti.ntasks);
|
|
INDEX_3_CLOSED_HASHTABLE<tval> faceht(100);
|
|
for (PointIndex pi : myrange)
|
|
if (selsonpoint[pi].Size()+elsonpoint[pi].Size())
|
|
{
|
|
faceht.SetSize (2 * selsonpoint[pi].Size() + 4 * elsonpoint[pi].Size());
|
|
|
|
for (SurfaceElementIndex sei : selsonpoint[pi])
|
|
{
|
|
Element2d hel = SurfaceElement(sei);
|
|
if (hel.GetType() == TRIG6) hel.SetType(TRIG);
|
|
int ind = hel.GetIndex();
|
|
|
|
if (GetFaceDescriptor(ind).DomainIn() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainIn()) )
|
|
{
|
|
hel.NormalizeNumbering();
|
|
if (hel.PNum(1) == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
tval i2;
|
|
i2.index = GetFaceDescriptor(ind).DomainIn();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel.PNum(4);
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
if (GetFaceDescriptor(ind).DomainOut() &&
|
|
(dom == 0 || dom == GetFaceDescriptor(ind).DomainOut()) )
|
|
{
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
if (hel.PNum(1) == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
tval i2;
|
|
i2.index = GetFaceDescriptor(ind).DomainOut();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel.PNum(4);
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (ElementIndex ei : elsonpoint[pi])
|
|
{
|
|
const Element & el = VolumeElement(ei);
|
|
if(el.IsDeleted()) continue;
|
|
|
|
if (dom == 0 || el.GetIndex() == dom)
|
|
{
|
|
for (int j = 1; j <= el.GetNFaces(); j++)
|
|
{
|
|
Element2d hel(TRIG);
|
|
el.GetFace (j, hel);
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
|
|
if (hel[0] == pi)
|
|
{
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
|
|
if (faceht.Used (i3))
|
|
{
|
|
tval i2 = faceht.Get(i3);
|
|
if (i2.index == el.GetIndex())
|
|
{
|
|
i2.index = PointIndex::BASE-1;
|
|
faceht.Set (i3, i2);
|
|
}
|
|
else
|
|
{
|
|
if (i2.index == 0)
|
|
{
|
|
PrintSysError ("more elements on face");
|
|
(*testout) << "more elements on face!!!" << endl;
|
|
(*testout) << "el = " << el << endl;
|
|
(*testout) << "hel = " << hel << endl;
|
|
(*testout) << "face = " << i3 << endl;
|
|
(*testout) << "points = " << endl;
|
|
for (int jj = 1; jj <= 3; jj++)
|
|
(*testout) << "p = " << Point(i3.I(jj)) << endl;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hel.Invert();
|
|
hel.NormalizeNumbering();
|
|
INDEX_3 i3(hel[0], hel[1], hel[2]);
|
|
|
|
tval i2;
|
|
i2.index = el.GetIndex();
|
|
i2.p4 = (hel.GetNP() == 3)
|
|
? PointIndex (PointIndex::INVALID)
|
|
: hel[3];
|
|
faceht.Set (i3, i2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < faceht.Size(); i++)
|
|
if (faceht.UsedPos (i))
|
|
{
|
|
INDEX_3 i3;
|
|
tval i2;
|
|
faceht.GetData (i, i3, i2);
|
|
if (i2.index != PointIndex::BASE-1)
|
|
{
|
|
Element2d tri ( (i2.p4 == PointIndex::BASE-1) ? TRIG : QUAD);
|
|
for (int l = 0; l < 3; l++)
|
|
tri[l] = i3.I(l+1);
|
|
tri.PNum(4) = i2.p4;
|
|
tri.SetIndex (i2.index);
|
|
thread_openelements[ti.task_nr].Append (tri);
|
|
}
|
|
}
|
|
}}, numtasks);
|
|
|
|
for (auto & a : thread_openelements)
|
|
for (auto & el : a)
|
|
openelements.Append (el);
|
|
|
|
t_pointloop.Stop();
|
|
|
|
int cnt3 = 0;
|
|
for (int i = 0; i < openelements.Size(); i++)
|
|
if (openelements[i].GetNP() == 3)
|
|
cnt3++;
|
|
|
|
int cnt4 = openelements.Size() - cnt3;
|
|
|
|
|
|
MyStr treequad;
|
|
if (cnt4)
|
|
treequad = MyStr(" (") + MyStr(cnt3) + MyStr (" + ") +
|
|
MyStr(cnt4) + MyStr(")");
|
|
|
|
PrintMessage (5, openelements.Size(), treequad, " open elements");
|
|
|
|
BuildBoundaryEdges();
|
|
|
|
|
|
for (int i = 1; i <= openelements.Size(); i++)
|
|
{
|
|
const Element2d & sel = openelements.Get(i);
|
|
|
|
if (boundaryedges)
|
|
for (int j = 1; j <= sel.GetNP(); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel.PNumMod(j);
|
|
i2.I2() = sel.PNumMod(j+1);
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
}
|
|
|
|
for (int j = 1; j <= 3; j++)
|
|
{
|
|
PointIndex pi = sel.PNum(j);
|
|
// if (pi < points.End())
|
|
if (pi < *points.Range().end())
|
|
points[pi].SetType (FIXEDPOINT);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment(i);
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort();
|
|
|
|
if (!boundaryedges->Used (i2))
|
|
cerr << "WARNING: no boundedge, but seg edge: " << i2 << endl;
|
|
|
|
boundaryedges -> Set (i2, 2);
|
|
segmentht -> Set (i2, i-1);
|
|
}
|
|
*/
|
|
}
|
|
|
|
bool Mesh :: HasOpenQuads () const
|
|
{
|
|
int no = GetNOpenElements();
|
|
for (int i = 0; i < no; i++)
|
|
if (openelements[i].GetNP() == 4)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: FindOpenSegments (int surfnr)
|
|
{
|
|
// int i, j, k;
|
|
|
|
// new version, general elements
|
|
// hash index: pnum1-2, surfnr
|
|
// hash data : surfel-nr (pos) or segment nr(neg)
|
|
INDEX_3_HASHTABLE<int> faceht(4 * GetNSE()+GetNSeg()+1);
|
|
|
|
PrintMessage (5, "Test Opensegments");
|
|
for (int i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
|
|
if (surfnr == 0 || seg.si == surfnr)
|
|
{
|
|
INDEX_3 key(seg[0], seg[1], seg.si);
|
|
int data = -i;
|
|
|
|
if (faceht.Used (key))
|
|
{
|
|
cerr << "ERROR: Segment " << seg << " already used" << endl;
|
|
(*testout) << "ERROR: Segment " << seg << " already used" << endl;
|
|
}
|
|
|
|
faceht.Set (key, data);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
// not possible with surfnr as hash-index
|
|
for (int i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
|
|
if (surfnr == 0 || seg.si == surfnr)
|
|
{
|
|
INDEX_2 key(seg[1], seg[0]);
|
|
if (!faceht.Used(key))
|
|
{
|
|
cerr << "ERROR: Segment " << seg << " brother not used" << endl;
|
|
(*testout) << "ERROR: Segment " << seg << " brother not used" << endl;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
// bool buggy = false;
|
|
// ofstream bout("buggy.out");
|
|
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
{
|
|
const Element2d & el = SurfaceElement(i);
|
|
if (el.IsDeleted()) continue;
|
|
|
|
if (surfnr == 0 || el.GetIndex() == surfnr)
|
|
{
|
|
for (int j = 1; j <= el.GetNP(); j++)
|
|
{
|
|
INDEX_3 seg (el.PNumMod(j), el.PNumMod(j+1), el.GetIndex());
|
|
// int data;
|
|
|
|
if (seg.I1() < PointIndex::BASE || seg.I2() < PointIndex::BASE)
|
|
cerr << "seg = " << seg << endl;
|
|
|
|
if (faceht.Used(seg))
|
|
{
|
|
faceht.Set (seg, 0);
|
|
/*
|
|
data = faceht.Get(seg);
|
|
|
|
if (data.I1() == el.GetIndex())
|
|
{
|
|
data.I1() = 0;
|
|
faceht.Set (seg, data);
|
|
}
|
|
else
|
|
{
|
|
// buggy = true;
|
|
PrintWarning ("hash table si not fitting for segment: ",
|
|
seg.I1(), "-", seg.I2(), " other = ",
|
|
data.I2(), ", surfnr = ", surfnr);
|
|
}
|
|
*/
|
|
}
|
|
else
|
|
{
|
|
Swap (seg.I1(), seg.I2());
|
|
// data.I1() = el.GetIndex();
|
|
// data.I2() = i;
|
|
faceht.Set (seg, i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
if (buggy)
|
|
{
|
|
for (int i = 1; i <= GetNSeg(); i++)
|
|
bout << "seg" << i << " " << LineSegment(i) << endl;
|
|
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
bout << "sel" << i << " " << SurfaceElement(i) << " ind = "
|
|
<< SurfaceElement(i).GetIndex() << endl;
|
|
|
|
bout << "hashtable: " << endl;
|
|
for (int j = 1; j <= faceht.GetNBags(); j++)
|
|
{
|
|
bout << "bag " << j << ":" << endl;
|
|
for (int k = 1; k <= faceht.GetBagSize(j); k++)
|
|
{
|
|
INDEX_2 i2, data;
|
|
faceht.GetData (j, k, i2, data);
|
|
bout << "key = " << i2 << ", data = " << data << endl;
|
|
}
|
|
}
|
|
exit(1);
|
|
}
|
|
*/
|
|
|
|
(*testout) << "open segments: " << endl;
|
|
opensegments.SetSize(0);
|
|
for (int i = 1; i <= faceht.GetNBags(); i++)
|
|
for (int j = 1; j <= faceht.GetBagSize(i); j++)
|
|
{
|
|
INDEX_3 i2;
|
|
int data;
|
|
faceht.GetData (i, j, i2, data);
|
|
if (data) // surfnr
|
|
{
|
|
Segment seg;
|
|
seg[0] = i2.I1();
|
|
seg[1] = i2.I2();
|
|
seg.si = i2.I3();
|
|
|
|
// find geomdata:
|
|
if (data > 0)
|
|
{
|
|
// segment due to triangle
|
|
const Element2d & el = SurfaceElement (data);
|
|
for (int k = 1; k <= el.GetNP(); k++)
|
|
{
|
|
if (seg[0] == el.PNum(k))
|
|
seg.geominfo[0] = el.GeomInfoPi(k);
|
|
if (seg[1] == el.PNum(k))
|
|
seg.geominfo[1] = el.GeomInfoPi(k);
|
|
}
|
|
|
|
(*testout) << "trig seg: ";
|
|
}
|
|
else
|
|
{
|
|
// segment due to line
|
|
const Segment & lseg = LineSegment (-data);
|
|
seg.geominfo[0] = lseg.geominfo[0];
|
|
seg.geominfo[1] = lseg.geominfo[1];
|
|
|
|
(*testout) << "line seg: ";
|
|
}
|
|
|
|
(*testout) << seg[0] << " - " << seg[1]
|
|
<< " len = " << Dist (Point(seg[0]), Point(seg[1]))
|
|
<< endl;
|
|
|
|
opensegments.Append (seg);
|
|
if (seg.geominfo[0].trignum <= 0 || seg.geominfo[1].trignum <= 0)
|
|
{
|
|
(*testout) << "Problem with open segment: " << seg << endl;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
PrintMessage (3, opensegments.Size(), " open segments found");
|
|
(*testout) << opensegments.Size() << " open segments found" << endl;
|
|
|
|
/*
|
|
ptyps.SetSize (GetNP());
|
|
for (i = 1; i <= ptyps.Size(); i++)
|
|
ptyps.Elem(i) = SURFACEPOINT;
|
|
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
ptyps.Elem(seg[0]) = EDGEPOINT;
|
|
ptyps.Elem(seg[1]) = EDGEPOINT;
|
|
}
|
|
for (i = 1; i <= GetNOpenSegments(); i++)
|
|
{
|
|
const Segment & seg = GetOpenSegment (i);
|
|
ptyps.Elem(seg[0]) = EDGEPOINT;
|
|
ptyps.Elem(seg[1]) = EDGEPOINT;
|
|
}
|
|
*/
|
|
/*
|
|
for (int i = 1; i <= points.Size(); i++)
|
|
points.Elem(i).SetType(SURFACEPOINT);
|
|
*/
|
|
for (auto & p : points)
|
|
p.SetType (SURFACEPOINT);
|
|
|
|
for (int i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment (i);
|
|
points[seg[0]].SetType(EDGEPOINT);
|
|
points[seg[1]].SetType(EDGEPOINT);
|
|
}
|
|
for (int i = 1; i <= GetNOpenSegments(); i++)
|
|
{
|
|
const Segment & seg = GetOpenSegment (i);
|
|
points[seg[0]].SetType (EDGEPOINT);
|
|
points[seg[1]].SetType (EDGEPOINT);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
for (i = 1; i <= openelements.Size(); i++)
|
|
{
|
|
const Element2d & sel = openelements.Get(i);
|
|
|
|
if (boundaryedges)
|
|
for (j = 1; j <= sel.GetNP(); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
i2.I1() = sel.PNumMod(j);
|
|
i2.I2() = sel.PNumMod(j+1);
|
|
i2.Sort();
|
|
boundaryedges->Set (i2, 1);
|
|
}
|
|
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
int pi = sel.PNum(j);
|
|
if (pi <= ptyps.Size())
|
|
ptyps.Elem(pi) = FIXEDPOINT;
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
void Mesh :: RemoveOneLayerSurfaceElements ()
|
|
{
|
|
int np = GetNP();
|
|
|
|
FindOpenSegments();
|
|
NgBitArray frontpoints(np+1); // for 0- and 1-based
|
|
frontpoints.Clear();
|
|
|
|
for (int i = 1; i <= GetNOpenSegments(); i++)
|
|
{
|
|
const Segment & seg = GetOpenSegment(i);
|
|
frontpoints.Set (seg[0]);
|
|
frontpoints.Set (seg[1]);
|
|
}
|
|
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
{
|
|
Element2d & sel = surfelements[i-1];
|
|
bool remove = false;
|
|
for (int j = 1; j <= sel.GetNP(); j++)
|
|
if (frontpoints.Test(sel.PNum(j)))
|
|
remove = true;
|
|
if (remove)
|
|
sel.PNum(1).Invalidate();
|
|
}
|
|
|
|
for (int i = surfelements.Size(); i >= 1; i--)
|
|
{
|
|
if (!surfelements[i-1].PNum(1).IsValid())
|
|
{
|
|
surfelements[i-1] = surfelements.Last();
|
|
surfelements.DeleteLast();
|
|
}
|
|
}
|
|
|
|
RebuildSurfaceElementLists ();
|
|
/*
|
|
for (int i = 0; i < facedecoding.Size(); i++)
|
|
facedecoding[i].firstelement = -1;
|
|
for (int i = surfelements.Size()-1; i >= 0; i--)
|
|
{
|
|
int ind = surfelements[i].GetIndex();
|
|
surfelements[i].next = facedecoding[ind-1].firstelement;
|
|
facedecoding[ind-1].firstelement = i;
|
|
}
|
|
*/
|
|
|
|
timestamp = NextTimeStamp();
|
|
// Compress();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void Mesh :: FreeOpenElementsEnvironment (int layers)
|
|
{
|
|
static Timer timer("FreeOpenElementsEnvironment"); RegionTimer rt(timer);
|
|
int i, j, k;
|
|
PointIndex pi;
|
|
const int large = 9999;
|
|
NgArray<int,PointIndex::BASE> dist(GetNP());
|
|
|
|
dist = large;
|
|
|
|
for (int i = 1; i <= GetNOpenElements(); i++)
|
|
{
|
|
const Element2d & face = OpenElement(i);
|
|
for (j = 0; j < face.GetNP(); j++)
|
|
dist[face[j]] = 1;
|
|
}
|
|
|
|
for (k = 1; k <= layers; k++)
|
|
for (i = 1; i <= GetNE(); i++)
|
|
{
|
|
const Element & el = VolumeElement(i);
|
|
if (el[0] == -1 || el.IsDeleted()) continue;
|
|
|
|
int elmin = large;
|
|
for (j = 0; j < el.GetNP(); j++)
|
|
if (dist[el[j]] < elmin)
|
|
elmin = dist[el[j]];
|
|
|
|
if (elmin < large)
|
|
{
|
|
for (j = 0; j < el.GetNP(); j++)
|
|
if (dist[el[j]] > elmin+1)
|
|
dist[el[j]] = elmin+1;
|
|
}
|
|
}
|
|
|
|
int cntfree = 0;
|
|
for (i = 1; i <= GetNE(); i++)
|
|
{
|
|
Element & el = VolumeElement(i);
|
|
if (el[0] == -1 || el.IsDeleted()) continue;
|
|
|
|
int elmin = large;
|
|
for (j = 0; j < el.GetNP(); j++)
|
|
if (dist[el[j]] < elmin)
|
|
elmin = dist[el[j]];
|
|
|
|
el.Flags().fixed = elmin > layers;
|
|
// eltyps.Elem(i) = (elmin <= layers) ?
|
|
// FREEELEMENT : FIXEDELEMENT;
|
|
if (elmin <= layers)
|
|
cntfree++;
|
|
}
|
|
|
|
PrintMessage (5, "free: ", cntfree, ", fixed: ", GetNE()-cntfree);
|
|
(*testout) << "free: " << cntfree << ", fixed: " << GetNE()-cntfree << endl;
|
|
|
|
for (pi = PointIndex::BASE;
|
|
pi < GetNP()+PointIndex::BASE; pi++)
|
|
{
|
|
if (dist[pi] > layers+1)
|
|
points[pi].SetType(FIXEDPOINT);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: SetLocalH (netgen::Point<3> pmin, netgen::Point<3> pmax, double grading, int layer)
|
|
{
|
|
using netgen::Point;
|
|
Point<3> c = Center (pmin, pmax);
|
|
double d = max3 (pmax(0)-pmin(0),
|
|
pmax(1)-pmin(1),
|
|
pmax(2)-pmin(2));
|
|
d /= 2;
|
|
Point<3> pmin2 = c - Vec<3> (d, d, d);
|
|
Point<3> pmax2 = c + Vec<3> (d, d, d);
|
|
|
|
SetLocalH(make_unique<LocalH> (pmin2, pmax2, grading, dimension), layer);
|
|
}
|
|
|
|
void Mesh :: RestrictLocalH (const Point3d & p, double hloc, int layer)
|
|
{
|
|
if(hloc < hmin)
|
|
hloc = hmin;
|
|
|
|
//cout << "restrict h in " << p << " to " << hloc << endl;
|
|
if (!lochfunc[layer-1])
|
|
{
|
|
PrintWarning("RestrictLocalH called, creating mesh-size tree");
|
|
|
|
Point3d boxmin, boxmax;
|
|
GetBox (boxmin, boxmax);
|
|
SetLocalH (boxmin, boxmax, 0.8, layer);
|
|
}
|
|
|
|
lochfunc[layer-1] -> SetH (p, hloc);
|
|
}
|
|
|
|
void Mesh :: RestrictLocalHLine (const Point3d & p1,
|
|
const Point3d & p2,
|
|
double hloc, int layer)
|
|
{
|
|
if(hloc < hmin)
|
|
hloc = hmin;
|
|
|
|
// cout << "restrict h along " << p1 << " - " << p2 << " to " << hloc << endl;
|
|
int i;
|
|
int steps = int (Dist (p1, p2) / hloc) + 2;
|
|
Vec3d v(p1, p2);
|
|
|
|
for (i = 0; i <= steps; i++)
|
|
{
|
|
Point3d p = p1 + (double(i)/double(steps) * v);
|
|
RestrictLocalH (p, hloc, layer);
|
|
}
|
|
}
|
|
|
|
|
|
void Mesh :: SetMinimalH (double h)
|
|
{
|
|
hmin = h;
|
|
}
|
|
|
|
|
|
void Mesh :: SetGlobalH (double h)
|
|
{
|
|
hglob = h;
|
|
}
|
|
|
|
double Mesh :: MaxHDomain (int dom) const
|
|
{
|
|
if (maxhdomain.Size())
|
|
return maxhdomain.Get(dom);
|
|
else
|
|
return 1e10;
|
|
}
|
|
|
|
void Mesh :: SetMaxHDomain (const NgArray<double> & mhd)
|
|
{
|
|
maxhdomain.SetSize(mhd.Size());
|
|
for (int i = 1; i <= mhd.Size(); i++)
|
|
maxhdomain.Elem(i) = mhd.Get(i);
|
|
}
|
|
|
|
|
|
double Mesh :: GetH (const Point3d & p, int layer) const
|
|
{
|
|
const auto& lh = GetLocalH(layer);
|
|
double hmin = hglob;
|
|
if (lh)
|
|
{
|
|
double hl = lh->GetH (p);
|
|
if (hl < hglob)
|
|
hmin = hl;
|
|
}
|
|
return hmin;
|
|
}
|
|
|
|
double Mesh :: GetMinH (const Point3d & pmin, const Point3d & pmax, int layer)
|
|
{
|
|
const auto& lh = GetLocalH(layer);
|
|
double hmin = hglob;
|
|
if (lh)
|
|
{
|
|
double hl = lh->GetMinH (pmin, pmax);
|
|
if (hl < hmin)
|
|
hmin = hl;
|
|
}
|
|
return hmin;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
double Mesh :: AverageH (int surfnr) const
|
|
{
|
|
int i, j, n;
|
|
double hi, hsum;
|
|
double maxh = 0, minh = 1e10;
|
|
|
|
hsum = 0;
|
|
n = 0;
|
|
for (i = 1; i <= GetNSE(); i++)
|
|
{
|
|
const Element2d & el = SurfaceElement(i);
|
|
if (surfnr == 0 || el.GetIndex() == surfnr)
|
|
{
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
hi = Dist (Point (el.PNumMod(j)),
|
|
Point (el.PNumMod(j+1)));
|
|
|
|
hsum += hi;
|
|
|
|
if (hi > maxh) maxh = hi;
|
|
if (hi < minh) minh = hi;
|
|
n++;
|
|
}
|
|
}
|
|
}
|
|
|
|
PrintMessage (5, "minh = ", minh, " avh = ", (hsum/n), " maxh = ", maxh);
|
|
return (hsum / n);
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: CalcLocalH (double grading, int layer)
|
|
{
|
|
static Timer t("Mesh::CalcLocalH"); RegionTimer reg(t);
|
|
|
|
if (!lochfunc[layer-1])
|
|
{
|
|
Point3d pmin, pmax;
|
|
GetBox (pmin, pmax);
|
|
// SetLocalH (pmin, pmax, mparam.grading);
|
|
SetLocalH (pmin, pmax, grading, layer);
|
|
}
|
|
|
|
PrintMessage (3,
|
|
"CalcLocalH: ",
|
|
GetNP(), " Points ",
|
|
GetNE(), " Elements ",
|
|
GetNSE(), " Surface Elements");
|
|
|
|
|
|
for (int i = 0; i < GetNSE(); i++)
|
|
{
|
|
const Element2d & el = surfelements[i];
|
|
int j;
|
|
|
|
if (el.GetNP() == 3)
|
|
{
|
|
double hel = -1;
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
const Point3d & p1 = points[el.PNumMod(j)];
|
|
const Point3d & p2 = points[el.PNumMod(j+1)];
|
|
|
|
/*
|
|
INDEX_2 i21(el.PNumMod(j), el.PNumMod(j+1));
|
|
INDEX_2 i22(el.PNumMod(j+1), el.PNumMod(j));
|
|
if (! identifiedpoints->Used (i21) &&
|
|
! identifiedpoints->Used (i22) )
|
|
*/
|
|
if (!ident -> UsedSymmetric (el.PNumMod(j),
|
|
el.PNumMod(j+1)))
|
|
{
|
|
double hedge = Dist (p1, p2);
|
|
if (hedge > hel)
|
|
hel = hedge;
|
|
// lochfunc->SetH (Center (p1, p2), 2 * Dist (p1, p2));
|
|
// (*testout) << "trigseth, p1,2 = " << el.PNumMod(j) << ", " << el.PNumMod(j+1)
|
|
// << " h = " << (2 * Dist(p1, p2)) << endl;
|
|
}
|
|
}
|
|
|
|
if (hel > 0)
|
|
{
|
|
const Point3d & p1 = points[el.PNum(1)];
|
|
const Point3d & p2 = points[el.PNum(2)];
|
|
const Point3d & p3 = points[el.PNum(3)];
|
|
lochfunc[layer-1]->SetH (Center (p1, p2, p3), hel);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
{
|
|
const Point3d & p1 = points[el.PNum(1)];
|
|
const Point3d & p2 = points[el.PNum(2)];
|
|
lochfunc[layer-1]->SetH (Center (p1, p2), 2 * Dist (p1, p2));
|
|
}
|
|
{
|
|
const Point3d & p1 = points[el.PNum(3)];
|
|
const Point3d & p2 = points[el.PNum(4)];
|
|
lochfunc[layer-1]->SetH (Center (p1, p2), 2 * Dist (p1, p2));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = segments[i];
|
|
const Point3d & p1 = points[seg[0]];
|
|
const Point3d & p2 = points[seg[1]];
|
|
/*
|
|
INDEX_2 i21(seg[0], seg[1]);
|
|
INDEX_2 i22(seg[1], seg[0]);
|
|
if (identifiedpoints)
|
|
if (!identifiedpoints->Used (i21) && !identifiedpoints->Used (i22))
|
|
*/
|
|
if (!ident -> UsedSymmetric (seg[0], seg[1]))
|
|
{
|
|
lochfunc[layer-1]->SetH (Center (p1, p2), Dist (p1, p2));
|
|
}
|
|
}
|
|
/*
|
|
cerr << "do vol" << endl;
|
|
for (i = 1; i <= GetNE(); i++)
|
|
{
|
|
const Element & el = VolumeElement(i);
|
|
if (el.GetType() == TET)
|
|
{
|
|
int j, k;
|
|
for (j = 2; j <= 4; j++)
|
|
for (k = 1; k < j; k++)
|
|
{
|
|
const Point3d & p1 = Point (el.PNum(j));
|
|
const Point3d & p2 = Point (el.PNum(k));
|
|
lochfunc->SetH (Center (p1, p2), 2 * Dist (p1, p2));
|
|
(*testout) << "set vol h to " << (2 * Dist (p1, p2)) << endl;
|
|
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
/*
|
|
const char * meshsizefilename =
|
|
globflags.GetStringFlag ("meshsize", NULL);
|
|
if (meshsizefilename)
|
|
{
|
|
ifstream msf(meshsizefilename);
|
|
if (msf)
|
|
{
|
|
int nmsp;
|
|
msf >> nmsp;
|
|
for (i = 1; i <= nmsp; i++)
|
|
{
|
|
Point3d pi;
|
|
double hi;
|
|
msf >> pi.X() >> pi.Y() >> pi.Z();
|
|
msf >> hi;
|
|
lochfunc->SetH (pi, hi);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
// lochfunc -> Convexify();
|
|
// lochfunc -> PrintMemInfo (cout);
|
|
}
|
|
|
|
|
|
void Mesh :: CalcLocalHFromPointDistances(double grading, int layer)
|
|
{
|
|
PrintMessage (3, "Calculating local h from point distances");
|
|
|
|
if (!lochfunc[layer-1])
|
|
{
|
|
Point3d pmin, pmax;
|
|
GetBox (pmin, pmax);
|
|
|
|
// SetLocalH (pmin, pmax, mparam.grading);
|
|
SetLocalH (pmin, pmax, grading, layer);
|
|
}
|
|
|
|
PointIndex i,j;
|
|
double hl;
|
|
|
|
|
|
for (i = PointIndex::BASE;
|
|
i < GetNP()+PointIndex::BASE; i++)
|
|
{
|
|
for(j=i+1; j<GetNP()+PointIndex::BASE; j++)
|
|
{
|
|
const Point3d & p1 = points[i];
|
|
const Point3d & p2 = points[j];
|
|
hl = Dist(p1,p2);
|
|
RestrictLocalH(p1,hl);
|
|
RestrictLocalH(p2,hl);
|
|
//cout << "restricted h at " << p1 << " and " << p2 << " to " << hl << endl;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
void Mesh :: CalcLocalHFromSurfaceCurvature (double grading, double elperr, int layer)
|
|
{
|
|
PrintMessage (3, "Calculating local h from surface curvature");
|
|
|
|
if (!lochfunc[layer-1])
|
|
{
|
|
Point3d pmin, pmax;
|
|
GetBox (pmin, pmax);
|
|
|
|
// SetLocalH (pmin, pmax, mparam.grading);
|
|
SetLocalH (pmin, pmax, grading, layer);
|
|
}
|
|
|
|
|
|
INDEX_2_HASHTABLE<int> edges(3 * GetNP() + 2);
|
|
INDEX_2_HASHTABLE<int> bedges(GetNSeg() + 2);
|
|
int i, j;
|
|
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment(i);
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort();
|
|
bedges.Set (i2, 1);
|
|
}
|
|
for (i = 1; i <= GetNSE(); i++)
|
|
{
|
|
const Element2d & sel = SurfaceElement(i);
|
|
if (!sel.PNum(1))
|
|
continue;
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
INDEX_2 i2(sel.PNumMod(j), sel.PNumMod(j+1));
|
|
i2.Sort();
|
|
if (bedges.Used(i2)) continue;
|
|
|
|
if (edges.Used(i2))
|
|
{
|
|
int other = edges.Get(i2);
|
|
|
|
const Element2d & elother = SurfaceElement(other);
|
|
|
|
int pi3 = 1;
|
|
while ( (sel.PNum(pi3) == i2.I1()) ||
|
|
(sel.PNum(pi3) == i2.I2()))
|
|
pi3++;
|
|
pi3 = sel.PNum(pi3);
|
|
|
|
int pi4 = 1;
|
|
while ( (elother.PNum(pi4) == i2.I1()) ||
|
|
(elother.PNum(pi4) == i2.I2()))
|
|
pi4++;
|
|
pi4 = elother.PNum(pi4);
|
|
|
|
double rad = ComputeCylinderRadius (Point (PointIndex(i2.I1())),
|
|
Point (PointIndex(i2.I2())),
|
|
Point (PointIndex(pi3)),
|
|
Point (PointIndex(pi4)));
|
|
|
|
RestrictLocalHLine (Point(PointIndex(i2.I1())), Point(PointIndex(i2.I2())), rad/elperr);
|
|
|
|
|
|
/*
|
|
(*testout) << "pi1,2, 3, 4 = " << i2.I1() << ", " << i2.I2() << ", " << pi3 << ", " << pi4
|
|
<< " p1 = " << Point(i2.I1())
|
|
<< ", p2 = " << Point(i2.I2())
|
|
// << ", p3 = " << Point(pi3)
|
|
// << ", p4 = " << Point(pi4)
|
|
<< ", rad = " << rad << endl;
|
|
*/
|
|
}
|
|
else
|
|
edges.Set (i2, i);
|
|
}
|
|
}
|
|
|
|
|
|
// Restrict h due to line segments
|
|
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment(i);
|
|
const Point3d & p1 = Point(seg[0]);
|
|
const Point3d & p2 = Point(seg[1]);
|
|
RestrictLocalH (Center (p1, p2), Dist (p1, p2));
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
|
int i, j;
|
|
int np = GetNP();
|
|
int nseg = GetNSeg();
|
|
int nse = GetNSE();
|
|
|
|
NgArray<Vec3d> normals(np);
|
|
NgBitArray linepoint(np);
|
|
|
|
linepoint.Clear();
|
|
for (i = 1; i <= nseg; i++)
|
|
{
|
|
linepoint.Set (LineSegment(i)[0]);
|
|
linepoint.Set (LineSegment(i)[1]);
|
|
}
|
|
|
|
for (i = 1; i <= np; i++)
|
|
normals.Elem(i) = Vec3d(0,0,0);
|
|
|
|
for (i = 1; i <= nse; i++)
|
|
{
|
|
Element2d & el = SurfaceElement(i);
|
|
Vec3d nf = Cross (Vec3d (Point (el.PNum(1)), Point(el.PNum(2))),
|
|
Vec3d (Point (el.PNum(1)), Point(el.PNum(3))));
|
|
for (j = 1; j <= 3; j++)
|
|
normals.Elem(el.PNum(j)) += nf;
|
|
}
|
|
|
|
for (i = 1; i <= np; i++)
|
|
normals.Elem(i) /= (1e-12 + normals.Elem(i).Length());
|
|
|
|
for (i = 1; i <= nse; i++)
|
|
{
|
|
Element2d & el = SurfaceElement(i);
|
|
Vec3d nf = Cross (Vec3d (Point (el.PNum(1)), Point(el.PNum(2))),
|
|
Vec3d (Point (el.PNum(1)), Point(el.PNum(3))));
|
|
nf /= nf.Length();
|
|
Point3d c = Center (Point(el.PNum(1)),
|
|
Point(el.PNum(2)),
|
|
Point(el.PNum(3)));
|
|
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
if (!linepoint.Test (el.PNum(j)))
|
|
{
|
|
double dist = Dist (c, Point(el.PNum(j)));
|
|
double dn = (nf - normals.Get(el.PNum(j))).Length();
|
|
|
|
RestrictLocalH (Point(el.PNum(j)), dist / (dn+1e-12) /elperr);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
|
|
void Mesh :: RestrictLocalH (resthtype rht, int nr, double loch)
|
|
{
|
|
int i;
|
|
switch (rht)
|
|
{
|
|
case RESTRICTH_FACE:
|
|
{
|
|
for (i = 1; i <= GetNSE(); i++)
|
|
{
|
|
const Element2d & sel = SurfaceElement(i);
|
|
if (sel.GetIndex() == nr)
|
|
RestrictLocalH (RESTRICTH_SURFACEELEMENT, i, loch);
|
|
}
|
|
break;
|
|
}
|
|
case RESTRICTH_EDGE:
|
|
{
|
|
for (i = 1; i <= GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = LineSegment(i);
|
|
if (seg.edgenr == nr)
|
|
RestrictLocalH (RESTRICTH_SEGMENT, i, loch);
|
|
}
|
|
break;
|
|
}
|
|
case RESTRICTH_POINT:
|
|
{
|
|
RestrictLocalH (Point (nr), loch);
|
|
break;
|
|
}
|
|
|
|
case RESTRICTH_SURFACEELEMENT:
|
|
{
|
|
const Element2d & sel = SurfaceElement(nr);
|
|
Point3d p = Center (Point(sel.PNum(1)),
|
|
Point(sel.PNum(2)),
|
|
Point(sel.PNum(3)));
|
|
RestrictLocalH (p, loch);
|
|
break;
|
|
}
|
|
case RESTRICTH_SEGMENT:
|
|
{
|
|
const Segment & seg = LineSegment(nr);
|
|
RestrictLocalHLine (Point (seg[0]), Point(seg[1]), loch);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Mesh :: LoadLocalMeshSize (const filesystem::path & meshsizefilename)
|
|
{
|
|
// Philippose - 10/03/2009
|
|
// Improve error checking when loading and reading
|
|
// the local mesh size file
|
|
|
|
if (meshsizefilename.empty()) return;
|
|
|
|
ifstream msf(meshsizefilename);
|
|
|
|
// Philippose - 09/03/2009
|
|
// Adding print message information in case the specified
|
|
// does not exist, or does not load successfully due to
|
|
// other reasons such as access rights, etc...
|
|
if (!msf)
|
|
{
|
|
PrintMessage(3, "Error loading mesh size file: ", meshsizefilename, "....","Skipping!");
|
|
return;
|
|
}
|
|
|
|
PrintMessage (3, "Load local mesh-size file: ", meshsizefilename);
|
|
|
|
int nmsp = 0;
|
|
int nmsl = 0;
|
|
|
|
msf >> nmsp;
|
|
if(!msf.good())
|
|
throw NgException ("Mesh-size file error: No points found\n");
|
|
|
|
if(nmsp > 0)
|
|
PrintMessage (4, "Number of mesh-size restriction points: ", nmsp);
|
|
|
|
for (int i = 0; i < nmsp; i++)
|
|
{
|
|
Point3d pi;
|
|
double hi;
|
|
msf >> pi.X() >> pi.Y() >> pi.Z();
|
|
msf >> hi;
|
|
if (!msf.good())
|
|
throw NgException ("Mesh-size file error: Number of points don't match specified list size\n");
|
|
RestrictLocalH (pi, hi);
|
|
}
|
|
|
|
msf >> nmsl;
|
|
if(!msf.good())
|
|
throw NgException ("Mesh-size file error: No line definitions found\n");
|
|
|
|
if(nmsl > 0)
|
|
PrintMessage (4, "Number of mesh-size restriction lines: ", nmsl);
|
|
|
|
for (int i = 0; i < nmsl; i++)
|
|
{
|
|
Point3d p1, p2;
|
|
double hi;
|
|
msf >> p1.X() >> p1.Y() >> p1.Z();
|
|
msf >> p2.X() >> p2.Y() >> p2.Z();
|
|
msf >> hi;
|
|
if (!msf.good())
|
|
throw NgException ("Mesh-size file error: Number of line definitions don't match specified list size\n");
|
|
RestrictLocalHLine (p1, p2, hi);
|
|
}
|
|
|
|
msf.close();
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: SetLocalH(shared_ptr<LocalH> loch, int layer)
|
|
{
|
|
if(layer>lochfunc.Size())
|
|
{
|
|
auto pre_size = lochfunc.Size();
|
|
lochfunc.SetSize(layer);
|
|
for(auto & func : lochfunc.Range(pre_size, layer-1))
|
|
func = lochfunc[0];
|
|
}
|
|
lochfunc[layer-1] = loch;
|
|
}
|
|
|
|
void Mesh :: GetBox (Point3d & pmin, Point3d & pmax, int dom) const
|
|
{
|
|
if (points.Size() == 0)
|
|
{
|
|
pmin = pmax = Point3d(0,0,0);
|
|
return;
|
|
}
|
|
|
|
if (dom <= 0)
|
|
{
|
|
pmin = Point3d (1e10, 1e10, 1e10);
|
|
pmax = Point3d (-1e10, -1e10, -1e10);
|
|
|
|
// for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
|
for (PointIndex pi : points.Range())
|
|
{
|
|
pmin.SetToMin ( (*this) [pi] );
|
|
pmax.SetToMax ( (*this) [pi] );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int j, nse = GetNSE();
|
|
SurfaceElementIndex sei;
|
|
|
|
pmin = Point3d (1e10, 1e10, 1e10);
|
|
pmax = Point3d (-1e10, -1e10, -1e10);
|
|
for (sei = 0; sei < nse; sei++)
|
|
{
|
|
const Element2d & el = (*this)[sei];
|
|
if (el.IsDeleted() ) continue;
|
|
|
|
if (dom == -1 || el.GetIndex() == dom)
|
|
{
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
pmin.SetToMin ( (*this) [el[j]] );
|
|
pmax.SetToMax ( (*this) [el[j]] );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pmin.X() > 0.5e10)
|
|
{
|
|
pmin = pmax = Point3d(0,0,0);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void Mesh :: GetBox (Point3d & pmin, Point3d & pmax, POINTTYPE ptyp) const
|
|
{
|
|
if (points.Size() == 0)
|
|
{
|
|
pmin = pmax = Point3d(0,0,0);
|
|
return;
|
|
}
|
|
|
|
pmin = Point3d (1e10, 1e10, 1e10);
|
|
pmax = Point3d (-1e10, -1e10, -1e10);
|
|
|
|
// for (PointIndex pi = points.Begin(); pi < points.End(); pi++)
|
|
for (PointIndex pi : points.Range())
|
|
if (points[pi].Type() <= ptyp)
|
|
{
|
|
pmin.SetToMin ( (*this) [pi] );
|
|
pmax.SetToMax ( (*this) [pi] );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
double Mesh :: ElementError (int eli, const MeshingParameters & mp) const
|
|
{
|
|
const Element & el = volelements[eli-1];
|
|
return CalcTetBadness (points[el[0]], points[el[1]],
|
|
points[el[2]], points[el[3]], -1, mp);
|
|
}
|
|
|
|
void Mesh :: AddLockedPoint (PointIndex pi)
|
|
{
|
|
lockedpoints.Append (pi);
|
|
}
|
|
|
|
void Mesh :: ClearLockedPoints ()
|
|
{
|
|
lockedpoints.SetSize (0);
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: Compress ()
|
|
{
|
|
static Timer t("Mesh::Compress"); RegionTimer reg(t);
|
|
NgLock lock(mutex);
|
|
lock.Lock();
|
|
|
|
Array<PointIndex,PointIndex> op2np(GetNP());
|
|
Array<bool, PointIndex> pused(GetNP());
|
|
|
|
/*
|
|
(*testout) << "volels: " << endl;
|
|
for (i = 1; i <= volelements.Size(); i++)
|
|
{
|
|
for (j = 1; j <= volelements.Get(i).GetNP(); j++)
|
|
(*testout) << volelements.Get(i).PNum(j) << " ";
|
|
(*testout) << endl;
|
|
}
|
|
(*testout) << "np: " << GetNP() << endl;
|
|
*/
|
|
|
|
for (int i = 0; i < volelements.Size(); i++)
|
|
if (volelements[i][0] <= PointIndex::BASE-1 ||
|
|
volelements[i].IsDeleted())
|
|
{
|
|
volelements.DeleteElement(i);
|
|
i--;
|
|
}
|
|
|
|
|
|
for (int i = 0; i < surfelements.Size(); i++)
|
|
if (surfelements[i].IsDeleted())
|
|
{
|
|
surfelements.DeleteElement(i);
|
|
i--;
|
|
}
|
|
|
|
for (int i = 0; i < segments.Size(); i++)
|
|
if (segments[i][0] <= PointIndex::BASE-1)
|
|
{
|
|
segments.DeleteElement(i);
|
|
i--;
|
|
}
|
|
|
|
for(int i=0; i < segments.Size(); i++)
|
|
if(segments[i].edgenr < 0)
|
|
segments.DeleteElement(i--);
|
|
|
|
pused = false;
|
|
/*
|
|
for (int i = 0; i < volelements.Size(); i++)
|
|
{
|
|
const Element & el = volelements[i];
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
pused[el[j]] = true;
|
|
}
|
|
*/
|
|
/*
|
|
for (const Element & el : volelements)
|
|
for (PointIndex pi : el.PNums())
|
|
pused[pi] = true;
|
|
*/
|
|
|
|
ParallelForRange
|
|
(volelements.Range(), [&] (auto myrange)
|
|
{
|
|
for (const Element & el : volelements.Range(myrange))
|
|
for (PointIndex pi : el.PNums())
|
|
pused[pi] = true;
|
|
});
|
|
|
|
/*
|
|
for (int i = 0; i < surfelements.Size(); i++)
|
|
{
|
|
const Element2d & el = surfelements[i];
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
pused[el[j]] = true;
|
|
}
|
|
*/
|
|
ParallelForRange
|
|
(surfelements.Range(), [&] (auto myrange)
|
|
{
|
|
for (const Element2d & el : surfelements.Range(myrange))
|
|
for (PointIndex pi : el.PNums())
|
|
pused[pi] = true;
|
|
});
|
|
|
|
for (int i = 0; i < segments.Size(); i++)
|
|
{
|
|
const Segment & seg = segments[i];
|
|
for (int j = 0; j < seg.GetNP(); j++)
|
|
pused[seg[j]] = true;
|
|
}
|
|
|
|
for (int i = 0; i < openelements.Size(); i++)
|
|
{
|
|
const Element2d & el = openelements[i];
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
pused[el[j]] = true;
|
|
}
|
|
|
|
for (int i = 0; i < lockedpoints.Size(); i++)
|
|
pused[lockedpoints[i]] = true;
|
|
|
|
|
|
/*
|
|
// compress points doesn't work for identified points !
|
|
if (identifiedpoints)
|
|
{
|
|
for (i = 1; i <= identifiedpoints->GetNBags(); i++)
|
|
if (identifiedpoints->GetBagSize(i))
|
|
{
|
|
pused.Set ();
|
|
break;
|
|
}
|
|
}
|
|
*/
|
|
// pused.Set();
|
|
|
|
|
|
{
|
|
Array<MeshPoint> hpoints;
|
|
int npi = PointIndex::BASE;
|
|
for (PointIndex pi : points.Range())
|
|
if (pused[pi])
|
|
{
|
|
op2np[pi] = npi;
|
|
npi++;
|
|
hpoints.Append (points[pi]);
|
|
}
|
|
else
|
|
{
|
|
op2np[pi].Invalidate();
|
|
}
|
|
|
|
points.SetSize(0);
|
|
for (int i = 0; i < hpoints.Size(); i++)
|
|
points.Append (hpoints[i]);
|
|
}
|
|
|
|
/*
|
|
for (int i = 1; i <= volelements.Size(); i++)
|
|
{
|
|
Element & el = VolumeElement(i);
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
el[j] = op2np[el[j]];
|
|
}
|
|
*/
|
|
ParallelForRange
|
|
(volelements.Range(), [&] (auto myrange)
|
|
{
|
|
for (Element & el : volelements.Range(myrange))
|
|
for (PointIndex & pi : el.PNums())
|
|
pi = op2np[pi];
|
|
});
|
|
|
|
/*
|
|
for (int i = 1; i <= surfelements.Size(); i++)
|
|
{
|
|
Element2d & el = SurfaceElement(i);
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
el[j] = op2np[el[j]];
|
|
}
|
|
*/
|
|
ParallelForRange
|
|
(surfelements.Range(), [&] (auto myrange)
|
|
{
|
|
for (Element2d & el : surfelements.Range(myrange))
|
|
for (PointIndex & pi : el.PNums())
|
|
pi = op2np[pi];
|
|
});
|
|
|
|
|
|
for (int i = 0; i < segments.Size(); i++)
|
|
{
|
|
Segment & seg = segments[i];
|
|
for (int j = 0; j < seg.GetNP(); j++)
|
|
seg[j] = op2np[seg[j]];
|
|
}
|
|
|
|
for (int i = 1; i <= openelements.Size(); i++)
|
|
{
|
|
Element2d & el = openelements.Elem(i);
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
el[j] = op2np[el[j]];
|
|
}
|
|
|
|
|
|
for (int i = 0; i < lockedpoints.Size(); i++)
|
|
lockedpoints[i] = op2np[lockedpoints[i]];
|
|
/*
|
|
for (int i = 0; i < facedecoding.Size(); i++)
|
|
facedecoding[i].firstelement = -1;
|
|
for (int i = surfelements.Size()-1; i >= 0; i--)
|
|
{
|
|
int ind = surfelements[i].GetIndex();
|
|
surfelements[i].next = facedecoding[ind-1].firstelement;
|
|
facedecoding[ind-1].firstelement = i;
|
|
}
|
|
*/
|
|
RebuildSurfaceElementLists ();
|
|
CalcSurfacesOfNode();
|
|
|
|
|
|
// FindOpenElements();
|
|
timestamp = NextTimeStamp();
|
|
lock.UnLock();
|
|
}
|
|
|
|
void Mesh :: OrderElements()
|
|
{
|
|
for (auto & el : surfelements)
|
|
{
|
|
if (el.GetType() == TRIG)
|
|
while (el[0] > el[1] || el[0] > el[2])
|
|
{ // rotate element
|
|
auto hp = el[0];
|
|
el[0] = el[1];
|
|
el[1] = el[2];
|
|
el[2] = hp;
|
|
auto hgi = el.GeomInfoPi(1);
|
|
el.GeomInfoPi(1) = el.GeomInfoPi(2);
|
|
el.GeomInfoPi(2) = el.GeomInfoPi(3);
|
|
el.GeomInfoPi(3) = hgi;
|
|
}
|
|
}
|
|
|
|
for (auto & el : volelements)
|
|
if (el.GetType() == TET)
|
|
{
|
|
// lowest index first ...
|
|
int mini = 0;
|
|
for (int i = 1; i < 4; i++)
|
|
if (el[i] < el[mini]) mini = i;
|
|
if (mini != 0)
|
|
{ // swap 0 with mini, and the other two ...
|
|
int i3 = -1, i4 = -1;
|
|
for (int i = 1; i < 4; i++)
|
|
if (i != mini)
|
|
{
|
|
i4 = i3;
|
|
i3 = i;
|
|
}
|
|
swap (el[0], el[mini]);
|
|
swap (el[i3], el[i4]);
|
|
}
|
|
|
|
while (el[1] > el[2] || el[1] > el[3])
|
|
{ // rotate element to move second index to second position
|
|
auto hp = el[1];
|
|
el[1] = el[2];
|
|
el[2] = el[3];
|
|
el[3] = hp;
|
|
}
|
|
}
|
|
}
|
|
|
|
int Mesh :: CheckConsistentBoundary () const
|
|
{
|
|
int nf = GetNOpenElements();
|
|
INDEX_2_HASHTABLE<int> edges(nf+2);
|
|
INDEX_2 i2, i2s, edge;
|
|
int err = 0;
|
|
|
|
for (int i = 1; i <= nf; i++)
|
|
{
|
|
const Element2d & sel = OpenElement(i);
|
|
|
|
for (int j = 1; j <= sel.GetNP(); j++)
|
|
{
|
|
i2.I1() = sel.PNumMod(j);
|
|
i2.I2() = sel.PNumMod(j+1);
|
|
|
|
int sign = (i2.I2() > i2.I1()) ? 1 : -1;
|
|
i2.Sort();
|
|
if (!edges.Used (i2))
|
|
edges.Set (i2, 0);
|
|
edges.Set (i2, edges.Get(i2) + sign);
|
|
}
|
|
}
|
|
|
|
for (int i = 1; i <= edges.GetNBags(); i++)
|
|
for (int j = 1; j <= edges.GetBagSize(i); j++)
|
|
{
|
|
int cnt = 0;
|
|
edges.GetData (i, j, i2, cnt);
|
|
if (cnt)
|
|
{
|
|
PrintError ("Edge ", i2.I1() , " - ", i2.I2(), " multiple times in surface mesh");
|
|
|
|
(*testout) << "Edge " << i2 << " multiple times in surface mesh" << endl;
|
|
i2s = i2;
|
|
i2s.Sort();
|
|
for (int k = 1; k <= nf; k++)
|
|
{
|
|
const Element2d & sel = OpenElement(k);
|
|
for (int l = 1; l <= sel.GetNP(); l++)
|
|
{
|
|
edge.I1() = sel.PNumMod(l);
|
|
edge.I2() = sel.PNumMod(l+1);
|
|
edge.Sort();
|
|
|
|
if (edge == i2s)
|
|
(*testout) << "edge of element " << sel << endl;
|
|
}
|
|
}
|
|
|
|
|
|
err = 2;
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
|
|
int Mesh :: CheckOverlappingBoundary ()
|
|
{
|
|
static Timer t("Mesh::CheckOverlappingBoundary"); RegionTimer reg(t);
|
|
|
|
Point3d pmin, pmax;
|
|
GetBox (pmin, pmax);
|
|
BoxTree<3, SurfaceElementIndex> setree(pmin, pmax);
|
|
// NgArray<SurfaceElementIndex> inters;
|
|
|
|
bool overlap = 0;
|
|
bool incons_layers = 0;
|
|
|
|
for (Element2d & el : SurfaceElements())
|
|
el.badel = false;
|
|
|
|
for (SurfaceElementIndex sei : Range(SurfaceElements()))
|
|
{
|
|
const Element2d & tri = SurfaceElement(sei);
|
|
|
|
Box<3> box(Box<3>::EMPTY_BOX);
|
|
for (PointIndex pi : tri.PNums())
|
|
box.Add (Point(pi));
|
|
|
|
box.Increase(1e-3*box.Diam());
|
|
setree.Insert (box, sei);
|
|
}
|
|
|
|
std::mutex m;
|
|
// for (SurfaceElementIndex sei : Range(SurfaceElements()))
|
|
ParallelForRange
|
|
(Range(SurfaceElements()), [&] (auto myrange)
|
|
{
|
|
for (SurfaceElementIndex sei : myrange)
|
|
{
|
|
const Element2d & tri = SurfaceElement(sei);
|
|
|
|
Box<3> box(Box<3>::EMPTY_BOX);
|
|
for (PointIndex pi : tri.PNums())
|
|
box.Add (Point(pi));
|
|
|
|
setree.GetFirstIntersecting
|
|
(box.PMin(), box.PMax(),
|
|
[&] (SurfaceElementIndex sej)
|
|
{
|
|
const Element2d & tri2 = SurfaceElement(sej);
|
|
|
|
if ( (*this)[tri[0]].GetLayer() != (*this)[tri2[0]].GetLayer())
|
|
return false;
|
|
|
|
if ( (*this)[tri[0]].GetLayer() != (*this)[tri[1]].GetLayer() ||
|
|
(*this)[tri[0]].GetLayer() != (*this)[tri[2]].GetLayer())
|
|
{
|
|
incons_layers = 1;
|
|
// cout << "inconsistent layers in triangle" << endl;
|
|
}
|
|
|
|
const netgen::Point<3> *trip1[3], *trip2[3];
|
|
for (int k = 0; k < 3; k++)
|
|
{
|
|
trip1[k] = &Point (tri[k]);
|
|
trip2[k] = &Point (tri2[k]);
|
|
}
|
|
|
|
if (IntersectTriangleTriangle (&trip1[0], &trip2[0]))
|
|
{
|
|
overlap = 1;
|
|
lock_guard<std::mutex> guard(m);
|
|
if(!incons_layers)
|
|
{
|
|
PrintWarning ("Intersecting elements "
|
|
,int(sei), " and ", int(sej));
|
|
|
|
(*testout) << "Intersecting: " << endl;
|
|
(*testout) << "openelement " << sei << " with open element " << sej << endl;
|
|
|
|
cout << "el1 = " << tri << endl;
|
|
cout << "el2 = " << tri2 << endl;
|
|
cout << "layer1 = " << (*this)[tri[0]].GetLayer() << endl;
|
|
cout << "layer2 = " << (*this)[tri2[0]].GetLayer() << endl;
|
|
}
|
|
|
|
for (int k = 1; k <= 3; k++)
|
|
(*testout) << tri.PNum(k) << " ";
|
|
(*testout) << endl;
|
|
for (int k = 1; k <= 3; k++)
|
|
(*testout) << tri2.PNum(k) << " ";
|
|
(*testout) << endl;
|
|
|
|
for (int k = 0; k <= 2; k++)
|
|
(*testout) << *trip1[k] << " ";
|
|
(*testout) << endl;
|
|
for (int k = 0; k <= 2; k++)
|
|
(*testout) << *trip2[k] << " ";
|
|
(*testout) << endl;
|
|
|
|
(*testout) << "Face1 = " << GetFaceDescriptor(tri.GetIndex()) << endl;
|
|
(*testout) << "Face1 = " << GetFaceDescriptor(tri2.GetIndex()) << endl;
|
|
|
|
SurfaceElement(sei).badel = 1;
|
|
SurfaceElement(sej).badel = 1;
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
});
|
|
// bug 'fix'
|
|
if (incons_layers) overlap = 0;
|
|
|
|
return overlap;
|
|
}
|
|
|
|
|
|
int Mesh :: CheckVolumeMesh () const
|
|
{
|
|
PrintMessage (3, "Checking volume mesh");
|
|
|
|
int ne = GetNE();
|
|
DenseMatrix dtrans(3,3);
|
|
int i, j;
|
|
|
|
PrintMessage (5, "elements: ", ne);
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
Element & el = (Element&) VolumeElement(i);
|
|
el.Flags().badel = 0;
|
|
int nip = el.GetNIP();
|
|
for (j = 1; j <= nip; j++)
|
|
{
|
|
el.GetTransformation (j, Points(), dtrans);
|
|
double det = dtrans.Det();
|
|
if (det > 0)
|
|
{
|
|
PrintError ("Element ", i , " has wrong orientation");
|
|
el.Flags().badel = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Search for surface trigs with same vertices ( may happen for instance with close surfaces in stl geometies )
|
|
int Mesh :: FindIllegalTrigs ()
|
|
{
|
|
// Temporary table to store the vertex numbers of all triangles
|
|
INDEX_3_CLOSED_HASHTABLE<int> temp_tab(3*GetNSE() + 1);
|
|
size_t cnt = 0;
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
INDEX_3 i3(sel[0], sel[1], sel[2]);
|
|
i3.Sort();
|
|
if(temp_tab.Used(i3))
|
|
{
|
|
temp_tab.Set (i3, -1);
|
|
cnt++;
|
|
}
|
|
else
|
|
{
|
|
temp_tab.Set (i3, sei);
|
|
}
|
|
}
|
|
|
|
illegal_trigs = make_unique<INDEX_3_CLOSED_HASHTABLE<int>> (2*cnt+1);
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
{
|
|
const Element2d & sel = surfelements[sei];
|
|
if (sel.IsDeleted()) continue;
|
|
|
|
INDEX_3 i3(sel[0], sel[1], sel[2]);
|
|
i3.Sort();
|
|
if(temp_tab.Get(i3)==-1)
|
|
illegal_trigs -> Set (i3, 1);
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
bool Mesh :: LegalTrig (const Element2d & el) const
|
|
{
|
|
if(illegal_trigs)
|
|
{
|
|
INDEX_3 i3 (el[0], el[1], el[2]);
|
|
i3.Sort();
|
|
if(illegal_trigs->Used(i3))
|
|
return false;
|
|
}
|
|
|
|
return 1;
|
|
// if ( /* hp */ 1) // needed for old, simple hp-refinement
|
|
// {
|
|
// // trigs with 2 or more segments are illegal
|
|
// int i;
|
|
// int nseg = 0;
|
|
|
|
// if (!segmentht)
|
|
// {
|
|
// cerr << "no segmentht allocated" << endl;
|
|
// return 0;
|
|
// }
|
|
|
|
// // Point3d cp(0.5, 0.5, 0.5);
|
|
// for (i = 1; i <= 3; i++)
|
|
// {
|
|
// INDEX_2 i2(el.PNumMod (i), el.PNumMod (i+1));
|
|
// i2.Sort();
|
|
// if (segmentht -> Used (i2))
|
|
// nseg++;
|
|
// }
|
|
// if (nseg >= 2)
|
|
// return 0;
|
|
// }
|
|
// return 1;
|
|
}
|
|
|
|
double Mesh :: CalcTotalBad (const MeshingParameters & mp )
|
|
{
|
|
static Timer t("CalcTotalBad"); RegionTimer reg(t);
|
|
static constexpr int n_classes = 20;
|
|
|
|
double sum = 0;
|
|
|
|
tets_in_qualclass.SetSize(n_classes);
|
|
tets_in_qualclass = 0;
|
|
|
|
ParallelForRange( IntRange(volelements.Size()), [&] (auto myrange)
|
|
{
|
|
double local_sum = 0.0;
|
|
double teterrpow = mp.opterrpow;
|
|
|
|
// std::array<int,n_classes> classes_local{};
|
|
size_t n_classes = tets_in_qualclass.Size();
|
|
Array<int> classes_local(n_classes);
|
|
for (int i = 0; i < n_classes; i++)
|
|
classes_local[i] = 0;
|
|
|
|
for (auto i : myrange)
|
|
{
|
|
double elbad = pow (max2(CalcBad (points, volelements[i], 0, mp),1e-10), 1/teterrpow);
|
|
|
|
int qualclass = int (n_classes / elbad + 1);
|
|
if (qualclass < 1) qualclass = 1;
|
|
if (qualclass > n_classes) qualclass = n_classes;
|
|
classes_local[qualclass-1]++;
|
|
|
|
local_sum += elbad;
|
|
}
|
|
|
|
AtomicAdd(sum, local_sum);
|
|
|
|
for (auto i : Range(n_classes))
|
|
AsAtomic(tets_in_qualclass[i]) += classes_local[i];
|
|
});
|
|
|
|
return sum;
|
|
}
|
|
|
|
|
|
|
|
|
|
///
|
|
bool Mesh :: LegalTet2 (Element & el) const
|
|
{
|
|
// static int timer1 = NgProfiler::CreateTimer ("Legaltet2");
|
|
|
|
// Test, whether 4 points have a common surface plus
|
|
// at least 4 edges at the boundary
|
|
|
|
if(!boundaryedges)
|
|
const_cast<Mesh *>(this)->BuildBoundaryEdges();
|
|
|
|
|
|
// non-tets are always legal
|
|
if (el.GetType() != TET)
|
|
{
|
|
el.SetLegal (1);
|
|
return 1;
|
|
}
|
|
|
|
POINTTYPE pointtype[4];
|
|
for(int i = 0; i < 4; i++)
|
|
pointtype[i] = (*this)[el[i]].Type();
|
|
|
|
|
|
|
|
// element has at least 2 inner points ---> legal
|
|
int cnti = 0;
|
|
for (int j = 0; j < 4; j++)
|
|
if ( pointtype[j] == INNERPOINT)
|
|
{
|
|
cnti++;
|
|
if (cnti >= 2)
|
|
{
|
|
el.SetLegal (1);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// which faces are boundary faces ?
|
|
int bface[4];
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
bface[i] = surfelementht->Used (INDEX_3::Sort(el[gftetfacesa[i][0]],
|
|
el[gftetfacesa[i][1]],
|
|
el[gftetfacesa[i][2]]));
|
|
}
|
|
|
|
int bedge[4][4];
|
|
int segedge[4][4];
|
|
static const int pi3map[4][4] = { { -1, 2, 1, 1 },
|
|
{ 2, -1, 0, 0 },
|
|
{ 1, 0, -1, 0 },
|
|
{ 1, 0, 0, -1 } };
|
|
|
|
static const int pi4map[4][4] = { { -1, 3, 3, 2 },
|
|
{ 3, -1, 3, 2 },
|
|
{ 3, 3, -1, 1 },
|
|
{ 2, 2, 1, -1 } };
|
|
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
for (int j = 0; j < i; j++)
|
|
{
|
|
bool sege = false, be = false;
|
|
|
|
int pos = boundaryedges -> Position0(INDEX_2::Sort(el[i], el[j]));
|
|
if (pos != -1)
|
|
{
|
|
be = true;
|
|
if (boundaryedges -> GetData0(pos) == 2)
|
|
sege = true;
|
|
}
|
|
|
|
segedge[j][i] = segedge[i][j] = sege;
|
|
bedge[j][i] = bedge[i][j] = be;
|
|
}
|
|
|
|
// two boundary faces and no edge is illegal
|
|
for (int i = 0; i < 3; i++)
|
|
for (int j = i+1; j < 4; j++)
|
|
{
|
|
if (bface[i] && bface[j])
|
|
if (!segedge[pi3map[i][j]][pi4map[i][j]])
|
|
{
|
|
// 2 boundary faces without edge in between
|
|
el.SetLegal (0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// three boundary edges meeting in a Surface point
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
if ( pointtype[i] == SURFACEPOINT)
|
|
{
|
|
bool alledges = 1;
|
|
for (int j = 0; j < 4; j++)
|
|
if (j != i && !bedge[i][j])
|
|
{
|
|
alledges = 0;
|
|
break;
|
|
}
|
|
if (alledges)
|
|
{
|
|
// cout << "tet illegal due to unmarked node" << endl;
|
|
el.SetLegal (0);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
for (int fnr = 0; fnr < 4; fnr++)
|
|
if (!bface[fnr])
|
|
for (int i = 0; i < 4; i++)
|
|
if (i != fnr)
|
|
{
|
|
int pi1 = pi3map[i][fnr];
|
|
int pi2 = pi4map[i][fnr];
|
|
|
|
if ( pointtype[i] == SURFACEPOINT)
|
|
{
|
|
// two connected edges on surface, but no face
|
|
if (bedge[i][pi1] && bedge[i][pi2])
|
|
{
|
|
el.SetLegal (0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if ( pointtype[i] == EDGEPOINT)
|
|
{
|
|
// connected surface edge and edge edge, but no face
|
|
if ( (bedge[i][pi1] && segedge[i][pi2]) ||
|
|
(bedge[i][pi2] && segedge[i][pi1]) )
|
|
{
|
|
el.SetLegal (0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
el.SetLegal (1);
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int Mesh :: GetNDomains() const
|
|
{
|
|
int ndom = 0;
|
|
|
|
for (int k = 0; k < facedecoding.Size(); k++)
|
|
{
|
|
if (facedecoding[k].DomainIn() > ndom)
|
|
ndom = facedecoding[k].DomainIn();
|
|
if (facedecoding[k].DomainOut() > ndom)
|
|
ndom = facedecoding[k].DomainOut();
|
|
}
|
|
|
|
return ndom;
|
|
}
|
|
|
|
void Mesh :: SetDimension (int dim)
|
|
{
|
|
if (dimension == 3 && dim == 2)
|
|
{
|
|
// change mesh-dim from 3 to 2 (currently needed for OCC)
|
|
for (auto str : materials)
|
|
delete str;
|
|
materials.SetSize(0);
|
|
for (auto str : bcnames)
|
|
materials.Append(str);
|
|
bcnames.SetSize(0);
|
|
for (auto str : cd2names)
|
|
bcnames.Append(str);
|
|
cd2names.SetSize(0);
|
|
for (auto str : cd3names)
|
|
cd2names.Append(str);
|
|
cd3names.SetSize(0);
|
|
|
|
for (auto & seg : LineSegments())
|
|
seg.si = seg.edgenr;
|
|
}
|
|
dimension = dim;
|
|
}
|
|
|
|
void Mesh :: SurfaceMeshOrientation ()
|
|
{
|
|
int i, j;
|
|
int nse = GetNSE();
|
|
|
|
NgBitArray used(nse);
|
|
used.Clear();
|
|
INDEX_2_HASHTABLE<int> edges(nse+1);
|
|
|
|
bool haschanged = 0;
|
|
|
|
|
|
const Element2d & tri = SurfaceElement(1);
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
INDEX_2 i2(tri.PNumMod(j), tri.PNumMod(j+1));
|
|
edges.Set (i2, 1);
|
|
}
|
|
used.Set(1);
|
|
|
|
bool unused;
|
|
do
|
|
{
|
|
bool changed;
|
|
do
|
|
{
|
|
changed = 0;
|
|
for (i = 1; i <= nse; i++)
|
|
if (!used.Test(i))
|
|
{
|
|
Element2d & el = surfelements[i-1];
|
|
int found = 0, foundrev = 0;
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
INDEX_2 i2(el.PNumMod(j), el.PNumMod(j+1));
|
|
if (edges.Used(i2))
|
|
foundrev = 1;
|
|
swap (i2.I1(), i2.I2());
|
|
if (edges.Used(i2))
|
|
found = 1;
|
|
}
|
|
|
|
if (found || foundrev)
|
|
{
|
|
if (foundrev)
|
|
swap (el.PNum(2), el.PNum(3));
|
|
|
|
changed = 1;
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
INDEX_2 i2(el.PNumMod(j), el.PNumMod(j+1));
|
|
edges.Set (i2, 1);
|
|
}
|
|
used.Set (i);
|
|
}
|
|
}
|
|
if (changed)
|
|
haschanged = 1;
|
|
}
|
|
while (changed);
|
|
|
|
|
|
unused = 0;
|
|
for (i = 1; i <= nse; i++)
|
|
if (!used.Test(i))
|
|
{
|
|
unused = 1;
|
|
const Element2d & tri = SurfaceElement(i);
|
|
for (j = 1; j <= 3; j++)
|
|
{
|
|
INDEX_2 i2(tri.PNumMod(j), tri.PNumMod(j+1));
|
|
edges.Set (i2, 1);
|
|
}
|
|
used.Set(i);
|
|
break;
|
|
}
|
|
}
|
|
while (unused);
|
|
|
|
if (haschanged)
|
|
timestamp = NextTimeStamp();
|
|
}
|
|
|
|
|
|
void Mesh :: Split2Tets()
|
|
{
|
|
PrintMessage (1, "Split To Tets");
|
|
bool has_prisms = 0;
|
|
|
|
int oldne = GetNE();
|
|
for (int i = 1; i <= oldne; i++)
|
|
{
|
|
Element el = VolumeElement(i);
|
|
|
|
if (el.GetType() == PRISM)
|
|
{
|
|
// prism, to 3 tets
|
|
|
|
// make minimal node to node 1
|
|
int minpi=0;
|
|
PointIndex minpnum;
|
|
minpnum = GetNP() + 1;
|
|
|
|
for (int j = 1; j <= 6; j++)
|
|
{
|
|
if (el.PNum(j) < minpnum)
|
|
{
|
|
minpnum = el.PNum(j);
|
|
minpi = j;
|
|
}
|
|
}
|
|
|
|
if (minpi >= 4)
|
|
{
|
|
for (int j = 1; j <= 3; j++)
|
|
swap (el.PNum(j), el.PNum(j+3));
|
|
minpi -= 3;
|
|
}
|
|
|
|
while (minpi > 1)
|
|
{
|
|
int hi = 0;
|
|
for (int j = 0; j <= 3; j+= 3)
|
|
{
|
|
hi = el.PNum(1+j);
|
|
el.PNum(1+j) = el.PNum(2+j);
|
|
el.PNum(2+j) = el.PNum(3+j);
|
|
el.PNum(3+j) = hi;
|
|
}
|
|
minpi--;
|
|
}
|
|
|
|
/*
|
|
version 1: edge from pi2 to pi6,
|
|
version 2: edge from pi3 to pi5,
|
|
*/
|
|
|
|
static const int ntets[2][12] =
|
|
{ { 1, 4, 5, 6, 1, 2, 3, 6, 1, 2, 5, 6 },
|
|
{ 1, 4, 5, 6, 1, 2, 3, 5, 3, 1, 5, 6 } };
|
|
|
|
const int * min2pi;
|
|
|
|
if (min2 (el.PNum(2), el.PNum(6)) <
|
|
min2 (el.PNum(3), el.PNum(5)))
|
|
{
|
|
min2pi = &ntets[0][0];
|
|
// (*testout) << "version 1 ";
|
|
}
|
|
else
|
|
{
|
|
min2pi = &ntets[1][0];
|
|
// (*testout) << "version 2 ";
|
|
}
|
|
|
|
|
|
int firsttet = 1;
|
|
for (int j = 1; j <= 3; j++)
|
|
{
|
|
Element nel(TET);
|
|
for (int k = 1; k <= 4; k++)
|
|
nel.PNum(k) = el.PNum(min2pi[4 * j + k - 5]);
|
|
nel.SetIndex (el.GetIndex());
|
|
|
|
int legal = 1;
|
|
for (int k = 1; k <= 3; k++)
|
|
for (int l = k+1; l <= 4; l++)
|
|
if (nel.PNum(k) == nel.PNum(l))
|
|
legal = 0;
|
|
|
|
// (*testout) << nel << " ";
|
|
if (legal)
|
|
{
|
|
if (firsttet)
|
|
{
|
|
VolumeElement(i) = nel;
|
|
firsttet = 0;
|
|
}
|
|
else
|
|
{
|
|
AddVolumeElement(nel);
|
|
}
|
|
}
|
|
}
|
|
if (firsttet) cout << "no legal";
|
|
(*testout) << endl;
|
|
}
|
|
|
|
|
|
|
|
else if (el.GetType() == HEX)
|
|
{
|
|
// hex to A) 2 prisms or B) to 5 tets
|
|
|
|
// make minimal node to node 1
|
|
int minpi=0;
|
|
PointIndex minpnum;
|
|
minpnum = GetNP() + 1;
|
|
|
|
for (int j = 1; j <= 8; j++)
|
|
{
|
|
if (el.PNum(j) < minpnum)
|
|
{
|
|
minpnum = el.PNum(j);
|
|
minpi = j;
|
|
}
|
|
}
|
|
|
|
if (minpi >= 5)
|
|
{
|
|
for (int j = 1; j <= 4; j++)
|
|
swap (el.PNum(j), el.PNum(j+4));
|
|
minpi -= 4;
|
|
}
|
|
|
|
while (minpi > 1)
|
|
{
|
|
int hi = 0;
|
|
for (int j = 0; j <= 4; j+= 4)
|
|
{
|
|
hi = el.PNum(1+j);
|
|
el.PNum(1+j) = el.PNum(2+j);
|
|
el.PNum(2+j) = el.PNum(3+j);
|
|
el.PNum(3+j) = el.PNum(4+j);
|
|
el.PNum(4+j) = hi;
|
|
}
|
|
minpi--;
|
|
}
|
|
|
|
|
|
|
|
static const int to_prisms[3][12] =
|
|
{ { 0, 1, 2, 4, 5, 6, 0, 2, 3, 4, 6, 7 },
|
|
{ 0, 1, 5, 3, 2, 6, 0, 5, 4, 3, 6, 7 },
|
|
{ 0, 7, 4, 1, 6, 5, 0, 3, 7, 1, 2, 6 },
|
|
};
|
|
|
|
const int * min2pi = 0;
|
|
if (min2 (el[4], el[6]) < min2 (el[5], el[7]))
|
|
min2pi = &to_prisms[0][0];
|
|
else if (min2 (el[3], el[6]) < min2 (el[2], el[7]))
|
|
min2pi = &to_prisms[1][0];
|
|
else if (min2 (el[1], el[6]) < min2 (el[2], el[5]))
|
|
min2pi = &to_prisms[2][0];
|
|
|
|
if (min2pi)
|
|
{
|
|
has_prisms = 1;
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
Element nel(PRISM);
|
|
for (int k = 0; k < 6; k++)
|
|
nel[k] = el[min2pi[6*j + k]];
|
|
nel.SetIndex (el.GetIndex());
|
|
|
|
if (j == 0)
|
|
VolumeElement(i) = nel;
|
|
else
|
|
AddVolumeElement(nel);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// split to 5 tets
|
|
|
|
static const int to_tets[20] =
|
|
{
|
|
1, 2, 0, 5,
|
|
3, 0, 2, 7,
|
|
4, 5, 7, 0,
|
|
6, 7, 5, 2,
|
|
0, 2, 7, 5
|
|
};
|
|
|
|
for (int j = 0; j < 5; j++)
|
|
{
|
|
Element nel(TET);
|
|
for (int k = 0; k < 4; k++)
|
|
nel[k] = el[to_tets[4*j + k]];
|
|
nel.SetIndex (el.GetIndex());
|
|
|
|
if (j == 0)
|
|
VolumeElement(i) = nel;
|
|
else
|
|
AddVolumeElement(nel);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
else if (el.GetType() == PYRAMID)
|
|
{
|
|
// pyramid, to 2 tets
|
|
|
|
// cout << "pyramid: " << el << endl;
|
|
|
|
static const int ntets[2][8] =
|
|
{ { 1, 2, 3, 5, 1, 3, 4, 5 },
|
|
{ 1, 2, 4, 5, 4, 2, 3, 5 }};
|
|
|
|
const int * min2pi;
|
|
|
|
if (min2 (el[0], el[2]) < min2 (el[1], el[3]))
|
|
min2pi = &ntets[0][0];
|
|
else
|
|
min2pi = &ntets[1][0];
|
|
|
|
bool firsttet = 1;
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
Element nel(TET);
|
|
for (int k = 0; k < 4; k++)
|
|
nel[k] = el[min2pi[4*j + k]-1];
|
|
nel.SetIndex (el.GetIndex());
|
|
|
|
// cout << "pyramid-tet: " << nel << endl;
|
|
|
|
bool legal = 1;
|
|
for (int k = 0; k < 3; k++)
|
|
for (int l = k+1; l < 4; l++)
|
|
if (nel[k] == nel[l])
|
|
legal = 0;
|
|
|
|
if (legal)
|
|
{
|
|
(*testout) << nel << " ";
|
|
if (firsttet)
|
|
VolumeElement(i) = nel;
|
|
else
|
|
AddVolumeElement(nel);
|
|
|
|
firsttet = 0;
|
|
}
|
|
}
|
|
if (firsttet) cout << "no legal";
|
|
(*testout) << endl;
|
|
}
|
|
}
|
|
|
|
|
|
int oldnse = GetNSE();
|
|
for (int i = 1; i <= oldnse; i++)
|
|
{
|
|
Element2d el = SurfaceElement(i);
|
|
if (el.GetNP() == 4)
|
|
{
|
|
(*testout) << "split el: " << el << " to ";
|
|
|
|
static const int ntris[2][6] =
|
|
{ { 1, 2, 3, 1, 3, 4 },
|
|
{ 1, 2, 4, 4, 2, 3 }};
|
|
|
|
const int * min2pi;
|
|
|
|
if (min2 (el.PNum(1), el.PNum(3)) <
|
|
min2 (el.PNum(2), el.PNum(4)))
|
|
min2pi = &ntris[0][0];
|
|
else
|
|
min2pi = &ntris[1][0];
|
|
|
|
for (int j = 0; j <6; j++)
|
|
(*testout) << min2pi[j] << " ";
|
|
|
|
|
|
int firsttri = 1;
|
|
for (int j = 1; j <= 2; j++)
|
|
{
|
|
Element2d nel(3);
|
|
for (int k = 1; k <= 3; k++)
|
|
nel.PNum(k) = el.PNum(min2pi[3 * j + k - 4]);
|
|
nel.SetIndex (el.GetIndex());
|
|
|
|
int legal = 1;
|
|
for (int k = 1; k <= 2; k++)
|
|
for (int l = k+1; l <= 3; l++)
|
|
if (nel.PNum(k) == nel.PNum(l))
|
|
legal = 0;
|
|
|
|
if (legal)
|
|
{
|
|
(*testout) << nel << " ";
|
|
if (firsttri)
|
|
{
|
|
SurfaceElement(i) = nel;
|
|
firsttri = 0;
|
|
}
|
|
else
|
|
{
|
|
AddSurfaceElement(nel);
|
|
}
|
|
}
|
|
}
|
|
(*testout) << endl;
|
|
|
|
}
|
|
}
|
|
|
|
|
|
if (has_prisms)
|
|
|
|
Split2Tets();
|
|
|
|
else
|
|
{
|
|
for (int i = 1; i <= GetNE(); i++)
|
|
{
|
|
Element & el = VolumeElement(i);
|
|
const Point3d & p1 = Point (el.PNum(1));
|
|
const Point3d & p2 = Point (el.PNum(2));
|
|
const Point3d & p3 = Point (el.PNum(3));
|
|
const Point3d & p4 = Point (el.PNum(4));
|
|
|
|
double vol = (Vec3d (p1, p2) *
|
|
Cross (Vec3d (p1, p3), Vec3d(p1, p4)));
|
|
if (vol > 0)
|
|
swap (el.PNum(3), el.PNum(4));
|
|
}
|
|
|
|
|
|
|
|
UpdateTopology();
|
|
timestamp = NextTimeStamp();
|
|
}
|
|
|
|
RebuildSurfaceElementLists();
|
|
}
|
|
|
|
void Mesh :: BuildElementSearchTree ()
|
|
{
|
|
if (elementsearchtreets == GetTimeStamp()) return;
|
|
|
|
{
|
|
std::lock_guard<std::mutex> guard(buildsearchtree_mutex);
|
|
if (elementsearchtreets != GetTimeStamp())
|
|
{
|
|
NgLock lock(mutex);
|
|
lock.Lock();
|
|
|
|
PrintMessage (4, "Rebuild element searchtree");
|
|
|
|
elementsearchtree = nullptr;
|
|
|
|
int ne = (dimension == 2) ? GetNSE() : GetNE();
|
|
if (dimension == 3 && !GetNE() && GetNSE())
|
|
ne = GetNSE();
|
|
|
|
if (ne)
|
|
{
|
|
if (dimension == 2 || (dimension == 3 && !GetNE()) )
|
|
{
|
|
Box<3> box (Box<3>::EMPTY_BOX);
|
|
for (SurfaceElementIndex sei = 0; sei < ne; sei++)
|
|
// box.Add (points[surfelements[sei].PNums()]);
|
|
for (auto pi : surfelements[sei].PNums())
|
|
box.Add (points[pi]);
|
|
|
|
box.Increase (1.01 * box.Diam());
|
|
elementsearchtree = make_unique<BoxTree<3>> (box);
|
|
|
|
for (SurfaceElementIndex sei = 0; sei < ne; sei++)
|
|
{
|
|
// box.Set (points[surfelements[sei].PNums()]);
|
|
|
|
Box<3> box (Box<3>::EMPTY_BOX);
|
|
for (auto pi : surfelements[sei].PNums())
|
|
box.Add (points[pi]);
|
|
|
|
auto & el = surfelements[sei];
|
|
if(el.IsCurved() && curvedelems->IsSurfaceElementCurved(sei))
|
|
{
|
|
netgen::Point<2> lami [4] = {netgen::Point<2>(0.5,0), netgen::Point<2>(0,0.5), netgen::Point<2>(0.5,0.5), netgen::Point<2>(1./3,1./3)};
|
|
for (auto lam : lami)
|
|
{
|
|
netgen::Point<3> x;
|
|
Mat<3,2> Jac;
|
|
|
|
curvedelems->CalcSurfaceTransformation(lam,sei,x,Jac);
|
|
box.Add (x);
|
|
}
|
|
box.Scale(1.2);
|
|
}
|
|
elementsearchtree -> Insert (box, sei+1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Box<3> box (Box<3>::EMPTY_BOX);
|
|
for (ElementIndex ei = 0; ei < ne; ei++)
|
|
// box.Add (points[volelements[ei].PNums()]);
|
|
for (auto pi : volelements[ei].PNums())
|
|
box.Add (points[pi]);
|
|
|
|
box.Increase (1.01 * box.Diam());
|
|
elementsearchtree = make_unique<BoxTree<3>> (box);
|
|
|
|
for (ElementIndex ei = 0; ei < ne; ei++)
|
|
{
|
|
// box.Set (points[volelements[ei].PNums()]);
|
|
|
|
Box<3> box (Box<3>::EMPTY_BOX);
|
|
for (auto pi : volelements[ei].PNums())
|
|
box.Add (points[pi]);
|
|
|
|
auto & el = volelements[ei];
|
|
if(el.IsCurved() && curvedelems->IsElementCurved(ei))
|
|
{
|
|
// add edge/face midpoints to box
|
|
auto eltype = el.GetType();
|
|
const auto verts = topology.GetVertices(eltype);
|
|
|
|
|
|
const auto edges = FlatArray<const ELEMENT_EDGE>(topology.GetNEdges(eltype), topology.GetEdges0(eltype));
|
|
for (const auto & edge: edges) {
|
|
netgen::Point<3> lam = netgen::Point<3>(0.5* (verts[edge[0]] + verts[edge[1]]));
|
|
auto p = netgen::Point<3>(0.0);
|
|
curvedelems->CalcElementTransformation(lam,ei,p);
|
|
box.Add(p);
|
|
}
|
|
|
|
const auto faces = FlatArray<const ELEMENT_FACE>(topology.GetNFaces(eltype), topology.GetFaces0(eltype));
|
|
for (const auto & face: faces) {
|
|
netgen::Vec<3> lam = netgen::Vec<3>(verts[face[0]] + verts[face[1]] + verts[face[2]]);
|
|
if(face[3] != -1) {
|
|
lam += netgen::Vec<3>(verts[face[3]]);
|
|
lam *= 0.25;
|
|
}
|
|
else
|
|
lam *= 1.0/3;
|
|
auto p = netgen::Point<3>(0.0);
|
|
curvedelems->CalcElementTransformation(netgen::Point<3>(lam),ei,p);
|
|
box.Add(p);
|
|
}
|
|
|
|
|
|
box.Scale(1.2);
|
|
}
|
|
|
|
|
|
elementsearchtree -> Insert (box, ei+1);
|
|
}
|
|
}
|
|
|
|
elementsearchtreets = GetTimeStamp();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
int SolveLinearSystemLS (const Vec3d & col1,
|
|
const Vec3d & col2,
|
|
const Vec3d & rhs,
|
|
Vec2d & sol)
|
|
{
|
|
double a11 = col1 * col1;
|
|
double a12 = col1 * col2;
|
|
double a22 = col2 * col2;
|
|
|
|
double det = a11 * a22 - a12 * a12;
|
|
|
|
if (det*det <= 1e-24 * a11 * a22)
|
|
{
|
|
sol = Vec2d (0, 0);
|
|
return 1;
|
|
}
|
|
|
|
Vec2d aTrhs;
|
|
aTrhs.X() = col1*rhs;
|
|
aTrhs.Y() = col2*rhs;
|
|
|
|
sol.X() = ( a22 * aTrhs.X() - a12 * aTrhs.Y()) / det;
|
|
sol.Y() = (-a12 * aTrhs.X() + a11 * aTrhs.Y()) / det;
|
|
return 0;
|
|
}
|
|
|
|
bool ValidBarCoord(double lami[3], double eps=1e-12)
|
|
{
|
|
return (lami[0]<=1.+eps && lami[0]>=0.-eps && lami[1]<=1.+eps && lami[1]>=0.-eps && lami[2]<=1.+eps && lami[2]>=0.-eps );
|
|
}
|
|
|
|
bool Mesh :: PointContainedIn2DElement(const Point3d & p,
|
|
double lami[3],
|
|
const int element,
|
|
bool consider3D) const
|
|
{
|
|
Vec3d col1, col2, col3;
|
|
Vec3d rhs, sol;
|
|
const double eps = 1e-6;
|
|
|
|
NgArray<Element2d> loctrigs;
|
|
|
|
|
|
//SZ
|
|
if(SurfaceElement(element).GetType()==QUAD)
|
|
{
|
|
const Element2d & el = SurfaceElement(element);
|
|
|
|
const Point3d & p1 = Point(el.PNum(1));
|
|
const Point3d & p2 = Point(el.PNum(2));
|
|
const Point3d & p3 = Point(el.PNum(3));
|
|
const Point3d & p4 = Point(el.PNum(4));
|
|
|
|
if (el.GetOrder() > 1 || el.GetHpElnr() != -1) {
|
|
netgen::Point<2> lam(0.5,0.5);
|
|
Vec<3> rhs;
|
|
Vec<2> deltalam;
|
|
|
|
netgen::Point<3> x;
|
|
Mat<3,2> Jac;
|
|
double delta = 1.;
|
|
const int maxits = 30;
|
|
int i = 0;
|
|
while(delta > 1e-16 && i < maxits)
|
|
{
|
|
curvedelems->CalcSurfaceTransformation(lam,element-1,x,Jac);
|
|
rhs = p - x;
|
|
Jac.Solve(rhs,deltalam);
|
|
lam += deltalam;
|
|
delta = deltalam.Length2();
|
|
i++;
|
|
}
|
|
if(i == maxits)
|
|
return false;
|
|
lami[0] = lam[0];
|
|
lami[1] = lam[1];
|
|
if(lami[0] < -eps || lami[0] > 1+eps || lami[1] < -eps || lami[1] > 1+eps)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// Coefficients of Bilinear Mapping from Ref-Elem to global Elem
|
|
// X = a + b x + c y + d x y
|
|
Vec3d a = p1;
|
|
Vec3d b = p2 - a;
|
|
Vec3d c = p4 - a;
|
|
Vec3d d = p3 - a - b - c;
|
|
|
|
/*cout << "p = " << p << endl;
|
|
cout << "p1 = " << p1 << endl;
|
|
cout << "p2 = " << p2 << endl;
|
|
cout << "p3 = " << p3 << endl;
|
|
cout << "p4 = " << p4 << endl;
|
|
|
|
cout << "a = " << a << endl;
|
|
cout << "b = " << b << endl;
|
|
cout << "c = " << c << endl;
|
|
cout << "d = " << d << endl;*/
|
|
|
|
|
|
Vec3d pa = p-a;
|
|
double dxb = d.X()*b.Y()-d.Y()*b.X();
|
|
double dxc = d.X()*c.Y()-d.Y()*c.X();
|
|
double bxc = b.X()*c.Y()-b.Y()*c.X();
|
|
double bxpa = b.X()*pa.Y()-b.Y()*pa.X();
|
|
double cxpa = c.X()*pa.Y()-c.Y()*pa.X();
|
|
double dxpa = d.X()*pa.Y()-d.Y()*pa.X();
|
|
|
|
/*cout << "dxb = " << dxb << endl;
|
|
cout << "dxc = " << dxc << endl;
|
|
cout << "bxc = " << bxc << endl;
|
|
cout << "bxpa = " << bxpa << endl;
|
|
cout << "cxpa = " << cxpa << endl;
|
|
cout << "dxpa = " << dxpa << endl;*/
|
|
|
|
/*
|
|
P = a + b x + c y + d x y
|
|
1) P1 = a1 + b1 x + c1 y + d1 x y
|
|
2) P2 = a2 + b2 x + c2 y + d2 x y
|
|
|
|
-> det(x,d) = det(a,d) + det(b,d) x + det(c,d) y
|
|
-> x = 1/det(b,d) *( det(P-a,d)-det(c,d) y )
|
|
-> y = 1/det(c,d) *( det(P-a,d)-det(b,d) x )
|
|
|
|
-> x = (P1 - a1 - c1 y)/(b1 + d1 y)
|
|
-> det(c,d) y**2 + [det(d,P-a) + det(c,b)] y + det(b,P-a) = 0
|
|
( same if we express x = (P2 - a2 - c2 y)/(b2 + d2 y) )
|
|
|
|
-> y = (P1 - a1 - b1 x)/(c1 + d1 x)
|
|
-> det(b,d) x**2 + [det(d,P-a) + det(b,c)] x + det(c,P-a) = 0
|
|
( same if we express y = (P2 - a2 - b2 x)/(c2 + d2 x)
|
|
*/
|
|
|
|
lami[2]=0.;
|
|
// double eps = 1.E-12;
|
|
double c1,c2,r;
|
|
|
|
//First check if point is "exactly" a vertex point
|
|
Vec3d d1 = p-p1;
|
|
Vec3d d2 = p-p2;
|
|
Vec3d d3 = p-p3;
|
|
Vec3d d4 = p-p4;
|
|
|
|
//cout << " d1 = " << d1 << ", d2 = " << d2 << ", d3 = " << d3 << ", d4 = " << d4 << endl;
|
|
|
|
if (d1.Length2() < sqr(eps)*d2.Length2() && d1.Length2() < sqr(eps)*d3.Length2() && d1.Length2() < sqr(eps)*d4.Length2())
|
|
{
|
|
lami[0] = lami[1] = 0.;
|
|
return true;
|
|
}
|
|
else if (d2.Length2() < sqr(eps)*d1.Length2() && d2.Length2() < sqr(eps)*d3.Length2() && d2.Length2() < sqr(eps)*d4.Length2())
|
|
{
|
|
lami[0] = 1.;
|
|
lami[1] = 0.;
|
|
return true;
|
|
}
|
|
else if (d3.Length2() < sqr(eps)*d1.Length2() && d3.Length2() < sqr(eps)*d2.Length2() && d3.Length2() < sqr(eps)*d4.Length2())
|
|
{
|
|
lami[0] = lami[1] = 1.;
|
|
return true;
|
|
}
|
|
else if (d4.Length2() < sqr(eps)*d1.Length2() && d4.Length2() < sqr(eps)*d2.Length2() && d4.Length2() < sqr(eps)*d3.Length2())
|
|
{
|
|
lami[0] = 0.;
|
|
lami[1] = 1.;
|
|
return true;
|
|
}//if d is nearly 0: solve resulting linear system
|
|
else if (d.Length2() < sqr(eps)*b.Length2() && d.Length2() < sqr(eps)*c.Length2())
|
|
{
|
|
Vec2d sol;
|
|
SolveLinearSystemLS (b, c, p-a, sol);
|
|
lami[0] = sol.X();
|
|
lami[1] = sol.Y();
|
|
return ValidBarCoord(lami, eps);
|
|
}// if dxc is nearly 0: solve resulting linear equation for y and compute x
|
|
else if (fabs(dxc) < sqr(eps))
|
|
{
|
|
lami[1] = -bxpa/(dxpa-bxc);
|
|
lami[0] = (dxpa-dxc*lami[1])/dxb;
|
|
return ValidBarCoord(lami, eps);
|
|
}// if dxb is nearly 0: solve resulting linear equation for x and compute y
|
|
else if (fabs(dxb) < sqr(eps))
|
|
{
|
|
lami[0] = -cxpa/(dxpa+bxc);
|
|
lami[1] = (dxpa-dxb*lami[0])/dxc;
|
|
return ValidBarCoord(lami, eps);
|
|
}//if dxb >= dxc: solve quadratic equation in y and compute x
|
|
else if (fabs(dxb) >= fabs(dxc))
|
|
{
|
|
c1 = (bxc-dxpa)/dxc;
|
|
c2 = -bxpa/dxc;
|
|
r = c1*c1/4.0-c2;
|
|
|
|
//quadratic equation has only 1 (unstable) solution
|
|
if (fabs(r) < eps) //not eps^2!
|
|
{
|
|
lami[1] = -c1/2;
|
|
lami[0] = (dxpa-dxc*lami[1])/dxb;
|
|
return ValidBarCoord(lami, eps);
|
|
}
|
|
if (r < 0) return false;
|
|
|
|
lami[1] = -c1/2+sqrt(r);
|
|
lami[0] = (dxpa-dxc*lami[1])/dxb;
|
|
|
|
if (ValidBarCoord(lami, eps))
|
|
return true;
|
|
else
|
|
{
|
|
lami[1] = -c1/2-sqrt(r);
|
|
lami[0] = (dxpa-dxc*lami[1])/dxb;
|
|
return ValidBarCoord(lami, eps);
|
|
}
|
|
}//if dxc > dxb: solve quadratic equation in x and compute y
|
|
else
|
|
{
|
|
c1 = (-bxc-dxpa)/dxb;
|
|
c2 = -cxpa/dxb;
|
|
r = c1*c1/4.0-c2;
|
|
|
|
//quadratic equation has only 1 (unstable) solution
|
|
if (fabs(r) < eps) //not eps^2!
|
|
{
|
|
lami[0] = -c1/2;
|
|
lami[1] = (dxpa-dxb*lami[0])/dxc;
|
|
return ValidBarCoord(lami, eps);
|
|
}
|
|
if (r < 0) return false;
|
|
|
|
lami[0] = -c1/2+sqrt(r);
|
|
lami[1] = (dxpa-dxb*lami[0])/dxc;
|
|
|
|
if (ValidBarCoord(lami, eps))
|
|
return true;
|
|
else
|
|
{
|
|
lami[0] = -c1/2-sqrt(r);
|
|
lami[1] = (dxpa-dxb*lami[0])/dxc;
|
|
return ValidBarCoord(lami, eps);
|
|
}
|
|
}
|
|
|
|
/*
|
|
double dxa = d.X()*a.Y()-d.Y()*a.X();
|
|
double dxp = d.X()*p.Y()-d.Y()*p.X();
|
|
|
|
|
|
double c0,c1,c2; // ,rt;
|
|
|
|
|
|
Vec3d dp13 = p3-p1;
|
|
Vec3d dp24 = p4-p2;
|
|
double d1 = dp13.Length2();
|
|
double d2 = dp24.Length2();
|
|
|
|
// if(fabs(d.X()) <= eps && fabs(d.Y())<= eps)
|
|
//if (d.Length2() < sqr(eps))
|
|
if (d.Length2() < sqr(eps)*d1 && d.Length2() < sqr(eps)*d2)
|
|
{
|
|
//Solve Linear System
|
|
Vec2d sol;
|
|
SolveLinearSystemLS (b, c, p-a, sol);
|
|
lami[0] = sol.X();
|
|
lami[1] = sol.Y();
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
|
|
|
|
//lami[0]=(c.Y()*(p.X()-a.X())-c.X()*(p.Y()-a.Y()))/
|
|
//(b.X()*c.Y() -b.Y()*c.X());
|
|
//lami[1]=(-b.Y()*(p.X()-a.X())+b.X()*(p.Y()-a.Y()))/
|
|
// (b.X()*c.Y() -b.Y()*c.X());
|
|
|
|
}
|
|
else
|
|
if(fabs(dxb) <= eps*fabs(dxc))
|
|
{
|
|
lami[1] = (dxp-dxa)/dxc;
|
|
if(fabs(b.X()+d.X()*lami[1])>=fabs(b.Y()+d.Y()*lami[1]))
|
|
lami[0] = (p.X()-a.X() - c.X()*lami[1])/(b.X()+d.X()*lami[1]);
|
|
else
|
|
lami[0] = (p.Y()-a.Y() - c.Y()*lami[1])/(b.Y()+d.Y()*lami[1]);
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}
|
|
else
|
|
if(fabs(dxc) <= eps*fabs(dxb))
|
|
{
|
|
lami[0] = (dxp-dxa)/dxb;
|
|
if(fabs(c.X()+d.X()*lami[0])>=fabs(c.Y()+d.Y()*lami[0]))
|
|
lami[1] = (p.X()-a.X() - b.X()*lami[0])/(c.X()+d.X()*lami[0]);
|
|
else
|
|
lami[1] = (p.Y()-a.Y() - b.Y()*lami[0])/(c.Y()+d.Y()*lami[0]);
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}
|
|
else //Solve quadratic equation
|
|
{
|
|
c2 = -d.X()*dxb;
|
|
c1 = b.X()*dxc - c.X()*dxb + d.X()*(dxp-dxa);
|
|
c0 = c.X()*(dxp-dxa) + (a.X()-p.X())*dxc;
|
|
double rt = c1*c1 - 4*c2*c0;
|
|
|
|
if (rt < 0.) return false;
|
|
lami[1] = (-c1 + sqrt(rt))/2/c2;
|
|
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps)
|
|
{
|
|
lami[0] = (dxp - dxa -dxb*lami[1])/dxc;
|
|
|
|
if(lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}
|
|
lami[1] = (-c1 - sqrt(rt))/2/c2;
|
|
|
|
lami[0] = (dxp - dxa -dxb*lami[1])/dxc;
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
|
|
c2 = d.Y()*dxb;
|
|
c1 = b.Y()*dxc - c.Y()*dxb + d.Y()*(dxp-dxa);
|
|
c0 = c.Y()*(dxp -dxa) + (a.Y()-p.Y())*dxc;
|
|
rt = c1*c1 - 4*c2*c0;
|
|
|
|
if (rt < 0.) return false;
|
|
lami[1] = (-c1 + sqrt(rt))/2/c2;
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps)
|
|
{
|
|
lami[0] = (dxp - dxa -dxb*lami[1])/dxc;
|
|
|
|
if(lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}
|
|
lami[1] = (-c1 - sqrt(rt))/2/c2;
|
|
|
|
lami[0] = (dxp - dxa -dxb*lami[1])/dxc;
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
|
|
c2 = -d.X()*dxc;
|
|
c1 = -b.X()*dxc + c.X()*dxb + d.X()*(dxp-dxa);
|
|
c0 = b.X()*(dxp -dxa) + (a.X()-p.X())*dxb;
|
|
rt = c1*c1 - 4*c2*c0;
|
|
|
|
if (rt < 0.) return false;
|
|
lami[1] = (-c1 + sqrt(rt))/2/c2;
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps)
|
|
{
|
|
lami[0] = (dxp - dxa -dxc*lami[1])/dxb;
|
|
|
|
if(lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}
|
|
lami[1] = (-c1 - sqrt(rt))/2/c2;
|
|
|
|
lami[0] = (dxp - dxa -dxc*lami[1])/dxb;
|
|
|
|
if(lami[1]<=1.+eps && lami[1]>=0.-eps && lami[0]<=1.+eps && lami[0]>=0.-eps)
|
|
return true;
|
|
}*/
|
|
|
|
|
|
//cout << "lam0,1 = " << lami[0] << ", " << lami[1] << endl;
|
|
|
|
/*if( lami[0] <= 1.+eps && lami[0] >= -eps && lami[1]<=1.+eps && lami[1]>=-eps)
|
|
{
|
|
if(consider3D)
|
|
{
|
|
Vec3d n = Cross(b,c);
|
|
lami[2] = 0;
|
|
for(int i=1; i<=3; i++)
|
|
lami[2] +=(p.X(i)-a.X(i)-lami[0]*b.X(i)-lami[1]*c.X(i)) * n.X(i);
|
|
if(lami[2] >= -eps && lami[2] <= eps)
|
|
return true;
|
|
}
|
|
else
|
|
return true;
|
|
}*/
|
|
|
|
return false;
|
|
|
|
}
|
|
else
|
|
{
|
|
// SurfaceElement(element).GetTets (loctets);
|
|
loctrigs.SetSize(1);
|
|
loctrigs.Elem(1) = SurfaceElement(element);
|
|
|
|
|
|
|
|
for (int j = 1; j <= loctrigs.Size(); j++)
|
|
{
|
|
const Element2d & el = loctrigs.Get(j);
|
|
|
|
|
|
const Point3d & p1 = Point(el.PNum(1));
|
|
const Point3d & p2 = Point(el.PNum(2));
|
|
const Point3d & p3 = Point(el.PNum(3));
|
|
/*
|
|
Box3d box;
|
|
box.SetPoint (p1);
|
|
box.AddPoint (p2);
|
|
box.AddPoint (p3);
|
|
box.AddPoint (p4);
|
|
if (!box.IsIn (p))
|
|
continue;
|
|
*/
|
|
col1 = p2-p1;
|
|
col2 = p3-p1;
|
|
col3 = Cross(col1,col2);
|
|
//col3 = Vec3d(0, 0, 1);
|
|
rhs = p - p1;
|
|
|
|
// int retval =
|
|
SolveLinearSystem (col1, col2, col3, rhs, sol);
|
|
|
|
//(*testout) << "retval " << retval << endl;
|
|
|
|
//(*testout) << "col1 " << col1 << " col2 " << col2 << " col3 " << col3 << " rhs " << rhs << endl;
|
|
//(*testout) << "sol " << sol << endl;
|
|
|
|
if (SurfaceElement(element).GetType() ==TRIG6 || curvedelems->IsSurfaceElementCurved(element-1))
|
|
{
|
|
// netgen::Point<2> lam(1./3,1./3);
|
|
netgen::Point<2> lam(sol.X(), sol.Y());
|
|
if(SurfaceElement(element).GetType() != TRIG6)
|
|
{
|
|
lam[0] = 1-sol.X()-sol.Y();
|
|
lam[1] = sol.X();
|
|
}
|
|
Vec<3> rhs;
|
|
Vec<2> deltalam;
|
|
netgen::Point<3> x;
|
|
Mat<3,2> Jac,Jact;
|
|
|
|
double delta=1;
|
|
|
|
// bool retval;
|
|
|
|
int i = 0;
|
|
|
|
const int maxits = 30;
|
|
while(delta > 1e-16 && i<maxits)
|
|
{
|
|
curvedelems->CalcSurfaceTransformation(lam,element-1,x,Jac);
|
|
rhs = p-x;
|
|
Jac.Solve(rhs,deltalam);
|
|
|
|
lam += deltalam;
|
|
|
|
delta = deltalam.Length2();
|
|
|
|
i++;
|
|
//(*testout) << "pcie i " << i << " delta " << delta << " p " << p << " x " << x << " lam " << lam << endl;
|
|
//<< "Jac " << Jac << endl;
|
|
}
|
|
|
|
if(i==maxits)
|
|
return false;
|
|
|
|
sol.X() = lam(0);
|
|
sol.Y() = lam(1);
|
|
|
|
if (SurfaceElement(element).GetType() !=TRIG6 )
|
|
{
|
|
sol.Z() = sol.X();
|
|
sol.X() = sol.Y();
|
|
sol.Y() = 1.0 - sol.Z() - sol.X();
|
|
}
|
|
|
|
}
|
|
if (sol.X() >= -eps && sol.Y() >= -eps &&
|
|
sol.X() + sol.Y() <= 1+eps)
|
|
{
|
|
if(!consider3D || (sol.Z() >= -eps && sol.Z() <= eps))
|
|
{
|
|
lami[0] = sol.X();
|
|
lami[1] = sol.Y();
|
|
lami[2] = sol.Z();
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool Mesh :: PointContainedIn3DElement(const Point3d & p,
|
|
double lami[3],
|
|
const int element) const
|
|
{
|
|
//bool oldresult = PointContainedIn3DElementOld(p,lami,element);
|
|
//(*testout) << "old result: " << oldresult
|
|
// << " lam " << lami[0] << " " << lami[1] << " " << lami[2] << endl;
|
|
|
|
//if(!curvedelems->IsElementCurved(element-1))
|
|
// return PointContainedIn3DElementOld(p,lami,element);
|
|
|
|
|
|
const double eps = 1.e-4;
|
|
const Element & el = VolumeElement(element);
|
|
|
|
netgen::Point<3> lam = 0.0;
|
|
|
|
if (el.GetType() == TET || el.GetType() == TET10)
|
|
{
|
|
lam = 0.25;
|
|
}
|
|
else if (el.GetType() == PRISM)
|
|
{
|
|
lam(0) = 0.33; lam(1) = 0.33; lam(2) = 0.5;
|
|
}
|
|
else if (el.GetType() == PYRAMID)
|
|
{
|
|
lam(0) = 0.4; lam(1) = 0.4; lam(2) = 0.2;
|
|
}
|
|
else if (el.GetType() == HEX)
|
|
{
|
|
lam = 0.5;
|
|
}
|
|
|
|
|
|
Vec<3> deltalam,rhs;
|
|
netgen::Point<3> x;
|
|
Mat<3,3> Jac,Jact;
|
|
|
|
double delta=1;
|
|
|
|
bool retval;
|
|
|
|
int i = 0;
|
|
|
|
const int maxits = 30;
|
|
while(delta > 1e-16 && i<maxits)
|
|
{
|
|
curvedelems->CalcElementTransformation(lam,element-1,x,Jac);
|
|
rhs = p-x;
|
|
Jac.Solve(rhs,deltalam);
|
|
|
|
lam += deltalam;
|
|
|
|
delta = deltalam.Length2();
|
|
|
|
i++;
|
|
//(*testout) << "pcie i " << i << " delta " << delta << " p " << p << " x " << x << " lam " << lam << endl;
|
|
//<< "Jac " << Jac << endl;
|
|
}
|
|
|
|
if(i==maxits)
|
|
return false;
|
|
|
|
for(i=0; i<3; i++)
|
|
lami[i] = lam(i);
|
|
|
|
|
|
|
|
if (el.GetType() == TET || el.GetType() == TET10)
|
|
{
|
|
retval = (lam(0) > -eps &&
|
|
lam(1) > -eps &&
|
|
lam(2) > -eps &&
|
|
lam(0) + lam(1) + lam(2) < 1+eps);
|
|
}
|
|
else if (el.GetType() == PRISM || el.GetType() == PRISM15)
|
|
{
|
|
retval = (lam(0) > -eps &&
|
|
lam(1) > -eps &&
|
|
lam(2) > -eps &&
|
|
lam(2) < 1+eps &&
|
|
lam(0) + lam(1) < 1+eps);
|
|
}
|
|
else if (el.GetType() == PYRAMID || el.GetType() == PYRAMID13)
|
|
{
|
|
retval = (lam(0) > -eps &&
|
|
lam(1) > -eps &&
|
|
lam(2) > -eps &&
|
|
lam(0) + lam(2) < 1+eps &&
|
|
lam(1) + lam(2) < 1+eps);
|
|
}
|
|
else if (el.GetType() == HEX || el.GetType() == HEX20)
|
|
{
|
|
retval = (lam(0) > -eps && lam(0) < 1+eps &&
|
|
lam(1) > -eps && lam(1) < 1+eps &&
|
|
lam(2) > -eps && lam(2) < 1+eps);
|
|
}
|
|
else
|
|
throw NgException("Da haun i wos vagessn");
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
|
|
bool Mesh :: PointContainedIn3DElementOld(const Point3d & p,
|
|
double lami[3],
|
|
const int element) const
|
|
{
|
|
Vec3d col1, col2, col3;
|
|
Vec3d rhs, sol;
|
|
const double eps = 1.e-4;
|
|
|
|
NgArray<Element> loctets;
|
|
|
|
VolumeElement(element).GetTets (loctets);
|
|
|
|
for (int j = 1; j <= loctets.Size(); j++)
|
|
{
|
|
const Element & el = loctets.Get(j);
|
|
|
|
const Point3d & p1 = Point(el.PNum(1));
|
|
const Point3d & p2 = Point(el.PNum(2));
|
|
const Point3d & p3 = Point(el.PNum(3));
|
|
const Point3d & p4 = Point(el.PNum(4));
|
|
|
|
Box3d box;
|
|
box.SetPoint (p1);
|
|
box.AddPoint (p2);
|
|
box.AddPoint (p3);
|
|
box.AddPoint (p4);
|
|
if (!box.IsIn (p))
|
|
continue;
|
|
|
|
col1 = p2-p1;
|
|
col2 = p3-p1;
|
|
col3 = p4-p1;
|
|
rhs = p - p1;
|
|
|
|
SolveLinearSystem (col1, col2, col3, rhs, sol);
|
|
|
|
if (sol.X() >= -eps && sol.Y() >= -eps && sol.Z() >= -eps &&
|
|
sol.X() + sol.Y() + sol.Z() <= 1+eps)
|
|
{
|
|
NgArray<Element> loctetsloc;
|
|
NgArray<netgen::Point<3> > pointsloc;
|
|
|
|
VolumeElement(element).GetTetsLocal (loctetsloc);
|
|
VolumeElement(element).GetNodesLocalNew (pointsloc);
|
|
|
|
const Element & le = loctetsloc.Get(j);
|
|
|
|
|
|
Point3d pp =
|
|
pointsloc.Get(le.PNum(1))
|
|
+ sol.X() * Vec3d (pointsloc.Get(le.PNum(1)), pointsloc.Get(le.PNum(2)))
|
|
+ sol.Y() * Vec3d (pointsloc.Get(le.PNum(1)), pointsloc.Get(le.PNum(3)))
|
|
+ sol.Z() * Vec3d (pointsloc.Get(le.PNum(1)), pointsloc.Get(le.PNum(4))) ;
|
|
|
|
lami[0] = pp.X();
|
|
lami[1] = pp.Y();
|
|
lami[2] = pp.Z();
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
int Mesh :: GetElementOfPoint (const netgen::Point<3> & p,
|
|
double lami[3],
|
|
bool build_searchtree,
|
|
const int index,
|
|
const bool allowindex) const
|
|
{
|
|
if(index != -1)
|
|
{
|
|
NgArray<int> dummy(1);
|
|
dummy[0] = index;
|
|
return GetElementOfPoint(p,lami,&dummy,build_searchtree,allowindex);
|
|
}
|
|
else
|
|
return GetElementOfPoint(p,lami,NULL,build_searchtree,allowindex);
|
|
}
|
|
|
|
|
|
|
|
|
|
int Mesh :: GetElementOfPoint (const netgen::Point<3> & p,
|
|
double lami[3],
|
|
const NgArray<int> * const indices,
|
|
bool build_searchtree,
|
|
const bool allowindex) const
|
|
{
|
|
if ( (dimension == 2 && !GetNSE()) ||
|
|
(dimension == 3 && !GetNE() && !GetNSE()) )
|
|
return -1;
|
|
|
|
if (build_searchtree)
|
|
const_cast<Mesh&>(*this).BuildElementSearchTree ();
|
|
|
|
if (dimension == 2 || (dimension==3 && !GetNE() && GetNSE()))
|
|
return Find2dElement(*this, p, lami, indices, elementsearchtree.get(), allowindex);
|
|
|
|
return Find3dElement(*this, p, lami, indices, elementsearchtree.get(), allowindex);
|
|
}
|
|
|
|
|
|
|
|
int Mesh :: GetSurfaceElementOfPoint (const netgen::Point<3> & p,
|
|
double lami[3],
|
|
bool build_searchtree,
|
|
const int index,
|
|
const bool allowindex) const
|
|
{
|
|
if(index != -1)
|
|
{
|
|
NgArray<int> dummy(1);
|
|
dummy[0] = index;
|
|
return GetSurfaceElementOfPoint(p,lami,&dummy,build_searchtree,allowindex);
|
|
}
|
|
else
|
|
return GetSurfaceElementOfPoint(p,lami,NULL,build_searchtree,allowindex);
|
|
}
|
|
|
|
|
|
|
|
|
|
int Mesh :: GetSurfaceElementOfPoint (const netgen::Point<3> & p,
|
|
double lami[3],
|
|
const NgArray<int> * const indices,
|
|
bool build_searchtree,
|
|
const bool allowindex) const
|
|
{
|
|
if (!GetNE() && build_searchtree)
|
|
const_cast<Mesh&>(*this).BuildElementSearchTree ();
|
|
|
|
if (dimension == 2)
|
|
return Find1dElement(*this, p, lami, indices, elementsearchtree.get(), allowindex);
|
|
else
|
|
return Find2dElement(*this, p, lami, indices, elementsearchtree.get(), allowindex);
|
|
return 0;
|
|
}
|
|
|
|
|
|
void Mesh::GetIntersectingVolEls(const Point3d& p1, const Point3d& p2,
|
|
NgArray<int> & locels) const
|
|
{
|
|
elementsearchtree->GetIntersecting (p1, p2, locels);
|
|
}
|
|
|
|
void Mesh :: SplitIntoParts()
|
|
{
|
|
int i, j, dom;
|
|
int ne = GetNE();
|
|
int np = GetNP();
|
|
int nse = GetNSE();
|
|
|
|
NgBitArray surfused(nse);
|
|
NgBitArray pused (np);
|
|
|
|
surfused.Clear();
|
|
|
|
dom = 0;
|
|
|
|
while (1)
|
|
{
|
|
int cntd = 1;
|
|
|
|
dom++;
|
|
|
|
pused.Clear();
|
|
|
|
int found = 0;
|
|
for (i = 1; i <= nse; i++)
|
|
if (!surfused.Test(i))
|
|
{
|
|
SurfaceElement(i).SetIndex (dom);
|
|
for (j = 1; j <= 3; j++)
|
|
pused.Set (SurfaceElement(i).PNum(j));
|
|
found = 1;
|
|
cntd = 1;
|
|
surfused.Set(i);
|
|
break;
|
|
}
|
|
|
|
if (!found)
|
|
break;
|
|
|
|
int change;
|
|
do
|
|
{
|
|
change = 0;
|
|
for (i = 1; i <= nse; i++)
|
|
{
|
|
int is = 0, isnot = 0;
|
|
for (j = 1; j <= 3; j++)
|
|
if (pused.Test(SurfaceElement(i).PNum(j)))
|
|
is = 1;
|
|
else
|
|
isnot = 1;
|
|
|
|
if (is && isnot)
|
|
{
|
|
change = 1;
|
|
for (j = 1; j <= 3; j++)
|
|
pused.Set (SurfaceElement(i).PNum(j));
|
|
}
|
|
|
|
if (is)
|
|
{
|
|
if (!surfused.Test(i))
|
|
{
|
|
surfused.Set(i);
|
|
SurfaceElement(i).SetIndex (dom);
|
|
cntd++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
int is = 0, isnot = 0;
|
|
for (j = 1; j <= 4; j++)
|
|
if (pused.Test(VolumeElement(i).PNum(j)))
|
|
is = 1;
|
|
else
|
|
isnot = 1;
|
|
|
|
if (is && isnot)
|
|
{
|
|
change = 1;
|
|
for (j = 1; j <= 4; j++)
|
|
pused.Set (VolumeElement(i).PNum(j));
|
|
}
|
|
|
|
if (is)
|
|
{
|
|
VolumeElement(i).SetIndex (dom);
|
|
}
|
|
}
|
|
}
|
|
while (change);
|
|
|
|
PrintMessage (3, "domain ", dom, " has ", cntd, " surfaceelements");
|
|
}
|
|
|
|
/*
|
|
facedecoding.SetSize (dom);
|
|
for (i = 1; i <= dom; i++)
|
|
{
|
|
facedecoding.Elem(i).surfnr = 0;
|
|
facedecoding.Elem(i).domin = i;
|
|
facedecoding.Elem(i).domout = 0;
|
|
}
|
|
*/
|
|
ClearFaceDescriptors();
|
|
for (i = 1; i <= dom; i++)
|
|
AddFaceDescriptor (FaceDescriptor (0, i, 0, 0));
|
|
CalcSurfacesOfNode();
|
|
timestamp = NextTimeStamp();
|
|
}
|
|
|
|
void Mesh :: SplitSeparatedFaces ()
|
|
{
|
|
PrintMessage (3, "SplitSeparateFaces");
|
|
int fdi;
|
|
int np = GetNP();
|
|
|
|
NgBitArray usedp(np);
|
|
Array<SurfaceElementIndex> els_of_face;
|
|
|
|
fdi = 1;
|
|
while (fdi <= GetNFD())
|
|
{
|
|
GetSurfaceElementsOfFace (fdi, els_of_face);
|
|
|
|
if (els_of_face.Size() == 0)
|
|
{
|
|
fdi++;
|
|
continue;
|
|
}
|
|
|
|
SurfaceElementIndex firstel = els_of_face[0];
|
|
|
|
usedp.Clear();
|
|
for (int j = 1; j <= SurfaceElement(firstel).GetNP(); j++)
|
|
usedp.Set (SurfaceElement(firstel).PNum(j));
|
|
|
|
bool changed;
|
|
do
|
|
{
|
|
changed = false;
|
|
|
|
for (int i = 0; i < els_of_face.Size(); i++)
|
|
{
|
|
const Element2d & el = SurfaceElement(els_of_face[i]);
|
|
|
|
bool has = 0;
|
|
bool hasno = 0;
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
{
|
|
if (usedp.Test(el[j]))
|
|
has = true;
|
|
else
|
|
hasno = true;
|
|
}
|
|
|
|
if (has && hasno)
|
|
changed = true;
|
|
|
|
if (has)
|
|
for (int j = 0; j < el.GetNP(); j++)
|
|
usedp.Set (el[j]);
|
|
}
|
|
}
|
|
while (changed);
|
|
|
|
int nface = 0;
|
|
for (int i = 0; i < els_of_face.Size(); i++)
|
|
{
|
|
Element2d & el = SurfaceElement(els_of_face[i]);
|
|
|
|
int hasno = 0;
|
|
for (int j = 1; j <= el.GetNP(); j++)
|
|
if (!usedp.Test(el.PNum(j)))
|
|
hasno = 1;
|
|
|
|
if (hasno)
|
|
{
|
|
if (!nface)
|
|
{
|
|
FaceDescriptor nfd = GetFaceDescriptor(fdi);
|
|
nface = AddFaceDescriptor (nfd);
|
|
}
|
|
|
|
el.SetIndex (nface);
|
|
}
|
|
}
|
|
|
|
// reconnect list
|
|
if (nface)
|
|
{
|
|
facedecoding[nface-1].firstelement = -1;
|
|
facedecoding[fdi-1].firstelement = -1;
|
|
|
|
for (int i = 0; i < els_of_face.Size(); i++)
|
|
{
|
|
int ind = SurfaceElement(els_of_face[i]).GetIndex();
|
|
SurfaceElement(els_of_face[i]).next = facedecoding[ind-1].firstelement;
|
|
facedecoding[ind-1].firstelement = els_of_face[i];
|
|
}
|
|
|
|
// map the segments
|
|
for(auto& seg : segments)
|
|
if(!usedp.Test(seg[0]) || !usedp.Test(seg[1]))
|
|
if(seg.si == fdi)
|
|
seg.si = nface;
|
|
}
|
|
|
|
fdi++;
|
|
}
|
|
|
|
|
|
/*
|
|
fdi = 1;
|
|
while (fdi <= GetNFD())
|
|
{
|
|
int firstel = 0;
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
if (SurfaceElement(i).GetIndex() == fdi)
|
|
{
|
|
firstel = i;
|
|
break;
|
|
}
|
|
if (!firstel) continue;
|
|
|
|
usedp.Clear();
|
|
for (int j = 1; j <= SurfaceElement(firstel).GetNP(); j++)
|
|
usedp.Set (SurfaceElement(firstel).PNum(j));
|
|
|
|
int changed;
|
|
do
|
|
{
|
|
changed = 0;
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
{
|
|
const Element2d & el = SurfaceElement(i);
|
|
if (el.GetIndex() != fdi)
|
|
continue;
|
|
|
|
int has = 0;
|
|
int hasno = 0;
|
|
for (int j = 1; j <= el.GetNP(); j++)
|
|
{
|
|
if (usedp.Test(el.PNum(j)))
|
|
has = 1;
|
|
else
|
|
hasno = 1;
|
|
}
|
|
if (has && hasno)
|
|
changed = 1;
|
|
|
|
if (has)
|
|
for (int j = 1; j <= el.GetNP(); j++)
|
|
usedp.Set (el.PNum(j));
|
|
}
|
|
}
|
|
while (changed);
|
|
|
|
int nface = 0;
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
{
|
|
Element2d & el = SurfaceElement(i);
|
|
if (el.GetIndex() != fdi)
|
|
continue;
|
|
|
|
int hasno = 0;
|
|
for (int j = 1; j <= el.GetNP(); j++)
|
|
{
|
|
if (!usedp.Test(el.PNum(j)))
|
|
hasno = 1;
|
|
}
|
|
|
|
if (hasno)
|
|
{
|
|
if (!nface)
|
|
{
|
|
FaceDescriptor nfd = GetFaceDescriptor(fdi);
|
|
nface = AddFaceDescriptor (nfd);
|
|
}
|
|
|
|
el.SetIndex (nface);
|
|
}
|
|
}
|
|
fdi++;
|
|
}
|
|
*/
|
|
}
|
|
|
|
void Mesh :: ZRefine(const string& name, const Array<double>& slices)
|
|
{
|
|
auto nr = GetIdentifications().GetNr(name);
|
|
auto& identpts = GetIdentifications().GetIdentifiedPoints();
|
|
|
|
UpdateTopology();
|
|
|
|
std::map<std::pair<PointIndex, PointIndex>,
|
|
Array<PointIndex>> inserted_points;
|
|
BitArray mapped_points(GetNV()+1);
|
|
mapped_points = false;
|
|
|
|
// Add new points
|
|
for(auto [p1p2, idnr] : identpts)
|
|
{
|
|
if(idnr != nr)
|
|
continue;
|
|
auto& ipts = inserted_points[{p1p2.I1(), p1p2.I2()}];
|
|
auto p1 = Point(p1p2.I1());
|
|
auto p2 = Point(p1p2.I2());
|
|
ipts.Append(p1p2.I1());
|
|
mapped_points.SetBit(p1p2.I1());
|
|
for(auto slice : slices)
|
|
{
|
|
auto np = p1 + slice * (p2-p1);
|
|
auto npi = AddPoint(np);
|
|
ipts.Append(npi);
|
|
}
|
|
ipts.Append(p1p2.I2());
|
|
}
|
|
|
|
// Split segments
|
|
for(auto si : Range(segments))
|
|
{
|
|
auto& seg = segments[si];
|
|
auto p1 = seg[0];
|
|
auto p2 = seg[1];
|
|
|
|
auto c1 = inserted_points.count({p1, p2});
|
|
auto c2 = inserted_points.count({p2, p1});
|
|
|
|
if(c1 == 0 && c2 == 0)
|
|
continue;
|
|
|
|
if(c2)
|
|
Swap(p1,p2);
|
|
|
|
const auto& ipts = inserted_points[{p1,p2}];
|
|
if(c2)
|
|
seg[1] = ipts[ipts.Size()-2];
|
|
else
|
|
seg[1] = ipts[1];
|
|
for(auto i : Range(size_t(1), ipts.Size()-1))
|
|
{
|
|
Segment snew = seg;
|
|
if(c2)
|
|
{
|
|
snew[0] = ipts[ipts.Size()-1-i];
|
|
snew[1] = ipts[ipts.Size()-2-i];
|
|
}
|
|
else
|
|
{
|
|
snew[0] = ipts[i];
|
|
snew[1] = ipts[i+1];
|
|
}
|
|
AddSegment(snew);
|
|
}
|
|
}
|
|
|
|
BitArray sel_done(surfelements.Size());
|
|
sel_done = false;
|
|
|
|
// Split surface elements
|
|
auto p2sel = CreatePoint2SurfaceElementTable();
|
|
for(const auto& [pair, inserted] : inserted_points)
|
|
{
|
|
for(auto si : p2sel[pair.first])
|
|
{
|
|
if(sel_done[si])
|
|
continue;
|
|
sel_done.SetBit(si);
|
|
auto sel = surfelements[si];
|
|
map<PointIndex, Array<PointIndex>> mapped_points;
|
|
int nmapped = 0;
|
|
for(auto i : Range(sel.GetNP()))
|
|
{
|
|
auto p1 = sel[i];
|
|
auto p2 = sel[(i+1)%sel.GetNP()];
|
|
auto c1 = inserted_points.count({p1, p2});
|
|
auto c2 = inserted_points.count({p2, p1});
|
|
if(c1 == 0 && c2 == 0)
|
|
continue;
|
|
if(c2)
|
|
Swap(p1, p2);
|
|
auto& ipts = inserted_points[{p1, p2}];
|
|
auto& a1 = mapped_points[p1];
|
|
auto& a2 = mapped_points[p2];
|
|
a1 = ipts.Range(0, ipts.Size()-1);
|
|
a2 = ipts.Range(1, ipts.Size());
|
|
nmapped = ipts.Size()-1;
|
|
}
|
|
for(auto i : Range(nmapped))
|
|
{
|
|
Element2d nsel = sel;
|
|
for(auto& pi : nsel.PNums())
|
|
if(mapped_points.count(pi))
|
|
pi = mapped_points[pi][i];
|
|
AddSurfaceElement(nsel);
|
|
}
|
|
if(nmapped)
|
|
surfelements[si].Delete();
|
|
}
|
|
}
|
|
|
|
// Split volume elements
|
|
BitArray vol_done(volelements.Size());
|
|
vol_done = false;
|
|
auto p2el = CreatePoint2ElementTable(); // mapped_points);
|
|
for(const auto& [pair, inserted] : inserted_points)
|
|
{
|
|
for(auto ei : p2el[pair.first])
|
|
{
|
|
if(vol_done[ei])
|
|
continue;
|
|
vol_done.SetBit(ei);
|
|
auto el = volelements[ei];
|
|
map<PointIndex, Array<PointIndex>> mapped_points;
|
|
int nmapped = 0;
|
|
// NgArray<int> eledges;
|
|
// topology.GetElementEdges(ei+1, eledges);
|
|
// for(auto edgei : eledges)
|
|
for(auto edgei : topology.GetEdges(ElementIndex(ei)))
|
|
{
|
|
// int p1, p2;
|
|
// topology.GetEdgeVertices(edgei+1, p1, p2);
|
|
auto [p1, p2] = topology.GetEdgeVertices(edgei);
|
|
auto c1 = inserted_points.count({p1, p2});
|
|
auto c2 = inserted_points.count({p2, p1});
|
|
if(c1 == 0 && c2 == 0)
|
|
continue;
|
|
if(c2)
|
|
Swap(p1, p2);
|
|
auto& ipts = inserted_points[{p1, p2}];
|
|
auto& a1 = mapped_points[p1];
|
|
auto& a2 = mapped_points[p2];
|
|
a1 = ipts.Range(0, ipts.Size()-1);
|
|
a2 = ipts.Range(1, ipts.Size());
|
|
nmapped = ipts.Size()-1;
|
|
}
|
|
|
|
for(auto i : Range(nmapped))
|
|
{
|
|
Element nel = el;
|
|
for(auto& pi : nel.PNums())
|
|
if(mapped_points.count(pi))
|
|
pi = mapped_points[pi][i];
|
|
AddVolumeElement(nel);
|
|
}
|
|
if(nmapped)
|
|
volelements[ei].Delete();
|
|
}
|
|
}
|
|
|
|
Compress();
|
|
SetNextMajorTimeStamp();
|
|
}
|
|
|
|
void Mesh :: RebuildSurfaceElementLists ()
|
|
{
|
|
static Timer t("Mesh::LinkSurfaceElements"); RegionTimer reg (t);
|
|
|
|
for (int i = 0; i < facedecoding.Size(); i++)
|
|
facedecoding[i].firstelement = -1;
|
|
for (int i = surfelements.Size()-1; i >= 0; i--)
|
|
{
|
|
int ind = surfelements[i].GetIndex();
|
|
surfelements[i].next = facedecoding[ind-1].firstelement;
|
|
facedecoding[ind-1].firstelement = i;
|
|
}
|
|
}
|
|
|
|
void Mesh :: GetSurfaceElementsOfFace (int facenr, Array<SurfaceElementIndex> & sei) const
|
|
{
|
|
static int timer = NgProfiler::CreateTimer ("GetSurfaceElementsOfFace");
|
|
NgProfiler::RegionTimer reg (timer);
|
|
|
|
if(facenr==0)
|
|
{
|
|
sei.SetSize(GetNSE());
|
|
ParallelForRange( IntRange(GetNSE()), [&sei] (auto myrange)
|
|
{
|
|
for(auto i : myrange)
|
|
sei[i] = i;
|
|
});
|
|
return;
|
|
}
|
|
|
|
sei.SetSize(0);
|
|
|
|
SurfaceElementIndex si = facedecoding[facenr-1].firstelement;
|
|
while (si != -1)
|
|
{
|
|
if ( (*this)[si].GetIndex () == facenr && (*this)[si][0] >= PointIndex::BASE &&
|
|
!(*this)[si].IsDeleted() )
|
|
{
|
|
sei.Append (si);
|
|
}
|
|
|
|
si = (*this)[si].next;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void Mesh :: CalcMinMaxAngle (double badellimit, double * retvalues)
|
|
{
|
|
int i, j;
|
|
int lpi1, lpi2, lpi3, lpi4;
|
|
double phimax = 0, phimin = 10;
|
|
double facephimax = 0, facephimin = 10;
|
|
int illegaltets = 0, negativetets = 0, badtets = 0;
|
|
|
|
for (i = 1; i <= GetNE(); i++)
|
|
{
|
|
int badel = 0;
|
|
|
|
Element & el = VolumeElement(i);
|
|
|
|
if (el.GetType() != TET)
|
|
{
|
|
VolumeElement(i).Flags().badel = 0;
|
|
continue;
|
|
}
|
|
|
|
if (el.Volume(Points()) < 0)
|
|
{
|
|
badel = 1;
|
|
negativetets++;
|
|
}
|
|
|
|
|
|
if (!LegalTet (el))
|
|
{
|
|
badel = 1;
|
|
illegaltets++;
|
|
(*testout) << "illegal tet: " << i << " ";
|
|
for (j = 1; j <= el.GetNP(); j++)
|
|
(*testout) << el.PNum(j) << " ";
|
|
(*testout) << endl;
|
|
}
|
|
|
|
|
|
// angles between faces
|
|
for (lpi1 = 1; lpi1 <= 3; lpi1++)
|
|
for (lpi2 = lpi1+1; lpi2 <= 4; lpi2++)
|
|
{
|
|
lpi3 = 1;
|
|
while (lpi3 == lpi1 || lpi3 == lpi2)
|
|
lpi3++;
|
|
lpi4 = 10 - lpi1 - lpi2 - lpi3;
|
|
|
|
const Point3d & p1 = Point (el.PNum(lpi1));
|
|
const Point3d & p2 = Point (el.PNum(lpi2));
|
|
const Point3d & p3 = Point (el.PNum(lpi3));
|
|
const Point3d & p4 = Point (el.PNum(lpi4));
|
|
|
|
Vec3d n(p1, p2);
|
|
n /= n.Length();
|
|
Vec3d v1(p1, p3);
|
|
Vec3d v2(p1, p4);
|
|
|
|
v1 -= (n * v1) * n;
|
|
v2 -= (n * v2) * n;
|
|
|
|
double cosphi = (v1 * v2) / (v1.Length() * v2.Length());
|
|
double phi = acos (cosphi);
|
|
if (phi > phimax) phimax = phi;
|
|
if (phi < phimin) phimin = phi;
|
|
|
|
if ((180/M_PI) * phi > badellimit)
|
|
badel = 1;
|
|
}
|
|
|
|
|
|
// angles in faces
|
|
for (j = 1; j <= 4; j++)
|
|
{
|
|
Element2d face(TRIG);
|
|
el.GetFace (j, face);
|
|
for (lpi1 = 1; lpi1 <= 3; lpi1++)
|
|
{
|
|
lpi2 = lpi1 % 3 + 1;
|
|
lpi3 = lpi2 % 3 + 1;
|
|
|
|
const Point3d & p1 = Point (el.PNum(lpi1));
|
|
const Point3d & p2 = Point (el.PNum(lpi2));
|
|
const Point3d & p3 = Point (el.PNum(lpi3));
|
|
|
|
Vec3d v1(p1, p2);
|
|
Vec3d v2(p1, p3);
|
|
double cosphi = (v1 * v2) / (v1.Length() * v2.Length());
|
|
double phi = acos (cosphi);
|
|
if (phi > facephimax) facephimax = phi;
|
|
if (phi < facephimin) facephimin = phi;
|
|
|
|
if ((180/M_PI) * phi > badellimit)
|
|
badel = 1;
|
|
|
|
}
|
|
}
|
|
|
|
|
|
VolumeElement(i).Flags().badel = badel;
|
|
if (badel) badtets++;
|
|
}
|
|
|
|
if (!GetNE())
|
|
{
|
|
phimin = phimax = facephimin = facephimax = 0;
|
|
}
|
|
|
|
if (!retvalues)
|
|
{
|
|
PrintMessage (1, "");
|
|
PrintMessage (1, "between planes: phimin = ", (180/M_PI) * phimin,
|
|
" phimax = ", (180/M_PI) *phimax);
|
|
PrintMessage (1, "inside planes: phimin = ", (180/M_PI) * facephimin,
|
|
" phimax = ", (180/M_PI) * facephimax);
|
|
PrintMessage (1, "");
|
|
}
|
|
else
|
|
{
|
|
retvalues[0] = (180/M_PI) * facephimin;
|
|
retvalues[1] = (180/M_PI) * facephimax;
|
|
retvalues[2] = (180/M_PI) * phimin;
|
|
retvalues[3] = (180/M_PI) * phimax;
|
|
}
|
|
PrintMessage (3, "negative tets: ", negativetets);
|
|
PrintMessage (3, "illegal tets: ", illegaltets);
|
|
PrintMessage (3, "bad tets: ", badtets);
|
|
}
|
|
|
|
|
|
int Mesh :: MarkIllegalElements ()
|
|
{
|
|
if(!boundaryedges)
|
|
BuildBoundaryEdges();
|
|
|
|
atomic<int> cnt = 0;
|
|
ParallelForRange( Range(volelements), [&] (auto myrange)
|
|
{
|
|
int cnt_local = 0;
|
|
for(auto & el : volelements.Range(myrange))
|
|
if (!LegalTet (el))
|
|
cnt_local++;
|
|
cnt += cnt_local;
|
|
});
|
|
return cnt;
|
|
}
|
|
|
|
// #ifdef NONE
|
|
// void Mesh :: AddIdentification (int pi1, int pi2, int identnr)
|
|
// {
|
|
// INDEX_2 pair(pi1, pi2);
|
|
// // pair.Sort();
|
|
// identifiedpoints->Set (pair, identnr);
|
|
// if (identnr > maxidentnr)
|
|
// maxidentnr = identnr;
|
|
// timestamp = NextTimeStamp();
|
|
// }
|
|
|
|
// int Mesh :: GetIdentification (int pi1, int pi2) const
|
|
// {
|
|
// INDEX_2 pair(pi1, pi2);
|
|
// if (identifiedpoints->Used (pair))
|
|
// return identifiedpoints->Get(pair);
|
|
// else
|
|
// return 0;
|
|
// }
|
|
|
|
// int Mesh :: GetIdentificationSym (int pi1, int pi2) const
|
|
// {
|
|
// INDEX_2 pair(pi1, pi2);
|
|
// if (identifiedpoints->Used (pair))
|
|
// return identifiedpoints->Get(pair);
|
|
|
|
// pair = INDEX_2 (pi2, pi1);
|
|
// if (identifiedpoints->Used (pair))
|
|
// return identifiedpoints->Get(pair);
|
|
|
|
// return 0;
|
|
// }
|
|
|
|
|
|
// void Mesh :: GetIdentificationMap (int identnr, NgArray<int> & identmap) const
|
|
// {
|
|
// int i, j;
|
|
|
|
// identmap.SetSize (GetNP());
|
|
// for (i = 1; i <= identmap.Size(); i++)
|
|
// identmap.Elem(i) = 0;
|
|
|
|
// for (i = 1; i <= identifiedpoints->GetNBags(); i++)
|
|
// for (j = 1; j <= identifiedpoints->GetBagSize(i); j++)
|
|
// {
|
|
// INDEX_2 i2;
|
|
// int nr;
|
|
// identifiedpoints->GetData (i, j, i2, nr);
|
|
|
|
// if (nr == identnr)
|
|
// {
|
|
// identmap.Elem(i2.I1()) = i2.I2();
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
|
|
// void Mesh :: GetIdentificationPairs (int identnr, NgArray<INDEX_2> & identpairs) const
|
|
// {
|
|
// int i, j;
|
|
|
|
// identpairs.SetSize(0);
|
|
|
|
// for (i = 1; i <= identifiedpoints->GetNBags(); i++)
|
|
// for (j = 1; j <= identifiedpoints->GetBagSize(i); j++)
|
|
// {
|
|
// INDEX_2 i2;
|
|
// int nr;
|
|
// identifiedpoints->GetData (i, j, i2, nr);
|
|
|
|
// if (identnr == 0 || nr == identnr)
|
|
// identpairs.Append (i2);
|
|
// }
|
|
// }
|
|
// #endif
|
|
|
|
int Mesh::IdentifyPeriodicBoundaries(const string &s1,
|
|
const string &s2,
|
|
const Transformation<3> &mapping,
|
|
double pointTolerance)
|
|
{
|
|
auto nr = ident->GetMaxNr() + 1;
|
|
ident->SetType(nr, Identifications::PERIODIC);
|
|
double lami[4];
|
|
set<int> identified_points;
|
|
if(pointTolerance < 0.)
|
|
{
|
|
Point3d pmin, pmax;
|
|
GetBox(pmin, pmax);
|
|
pointTolerance = 1e-8 * (pmax-pmin).Length();
|
|
}
|
|
for(const auto& se : surfelements)
|
|
{
|
|
if(GetBCName(se.index-1) != s1)
|
|
continue;
|
|
|
|
for(const auto& pi : se.PNums())
|
|
{
|
|
if(identified_points.find(pi) != identified_points.end())
|
|
continue;
|
|
auto pt = (*this)[pi];
|
|
auto mapped_pt = mapping(pt);
|
|
auto other_nr = GetElementOfPoint(mapped_pt, lami, true);
|
|
int index = -1;
|
|
if(other_nr != 0)
|
|
{
|
|
auto other_el = VolumeElement(other_nr);
|
|
for(auto i : Range(other_el.PNums().Size()))
|
|
if((mapped_pt - (*this)[other_el.PNums()[i]]).Length() < pointTolerance)
|
|
{
|
|
index = i;
|
|
break;
|
|
}
|
|
if(index == -1)
|
|
{
|
|
cout << "point coordinates = " << pt << endl;
|
|
cout << "mapped coordinates = " << mapped_pt << endl;
|
|
throw Exception("Did not find mapped point with nr " + ToString(pi) + ", are you sure your mesh is periodic?");
|
|
}
|
|
auto other_pi = other_el.PNums()[index];
|
|
identified_points.insert(pi);
|
|
ident->Add(pi, other_pi, nr);
|
|
}
|
|
else
|
|
{
|
|
cout << "point coordinates = " << pt << endl;
|
|
cout << "mapped coordinates = " << mapped_pt << endl;
|
|
throw Exception("Mapped point with nr " + ToString(pi) + " is outside of mesh, are you sure your mesh is periodic?");
|
|
}
|
|
}
|
|
}
|
|
return nr;
|
|
}
|
|
|
|
void Mesh :: InitPointCurve(double red, double green, double blue) const
|
|
{
|
|
pointcurves_startpoint.Append(pointcurves.Size());
|
|
pointcurves_red.Append(red);
|
|
pointcurves_green.Append(green);
|
|
pointcurves_blue.Append(blue);
|
|
}
|
|
void Mesh :: AddPointCurvePoint(const Point3d & pt) const
|
|
{
|
|
pointcurves.Append(pt);
|
|
}
|
|
int Mesh :: GetNumPointCurves(void) const
|
|
{
|
|
return pointcurves_startpoint.Size();
|
|
}
|
|
int Mesh :: GetNumPointsOfPointCurve(int curve) const
|
|
{
|
|
if(curve == pointcurves_startpoint.Size()-1)
|
|
return (pointcurves.Size() - pointcurves_startpoint.Last());
|
|
else
|
|
return (pointcurves_startpoint[curve+1]-pointcurves_startpoint[curve]);
|
|
}
|
|
|
|
Point3d & Mesh :: GetPointCurvePoint(int curve, int n) const
|
|
{
|
|
return pointcurves[pointcurves_startpoint[curve]+n];
|
|
}
|
|
|
|
void Mesh :: GetPointCurveColor(int curve, double & red, double & green, double & blue) const
|
|
{
|
|
red = pointcurves_red[curve];
|
|
green = pointcurves_green[curve];
|
|
blue = pointcurves_blue[curve];
|
|
}
|
|
|
|
|
|
void Mesh :: ComputeNVertices ()
|
|
{
|
|
|
|
numvertices = 0;
|
|
/*
|
|
for (const Element & el : VolumeElements())
|
|
for (PointIndex v : el.Vertices())
|
|
if (v > numvertices) numvertices = v;
|
|
|
|
for (const Element2d & el : SurfaceElements())
|
|
for (PointIndex v : el.Vertices())
|
|
if (v > numvertices) numvertices = v;
|
|
|
|
numvertices += 1-PointIndex::BASE;
|
|
*/
|
|
numvertices = 0;
|
|
numvertices =
|
|
ParallelReduce (VolumeElements().Size(),
|
|
[&](size_t nr)
|
|
{
|
|
return int(Max(VolumeElements()[nr].Vertices()));
|
|
},
|
|
[](auto a, auto b) { return a > b ? a : b; },
|
|
numvertices);
|
|
numvertices =
|
|
ParallelReduce (SurfaceElements().Size(),
|
|
[&](size_t nr)
|
|
{
|
|
return int(Max(SurfaceElements()[nr].Vertices()));
|
|
},
|
|
[](auto a, auto b) { return a > b ? a : b; },
|
|
numvertices);
|
|
numvertices += 1-PointIndex::BASE;
|
|
}
|
|
|
|
int Mesh :: GetNV () const
|
|
{
|
|
if (numvertices < 0)
|
|
return GetNP();
|
|
else
|
|
return numvertices;
|
|
}
|
|
|
|
void Mesh :: SetNP (int np)
|
|
{
|
|
points.SetSize(np);
|
|
// ptyps.SetSize(np);
|
|
|
|
int mlold = mlbetweennodes.Size();
|
|
mlbetweennodes.SetSize(np);
|
|
if (np > mlold)
|
|
for (int i = mlold+PointIndex::BASE;
|
|
i < np+PointIndex::BASE; i++)
|
|
{
|
|
mlbetweennodes[i].I1() = PointIndex::BASE-1;
|
|
mlbetweennodes[i].I2() = PointIndex::BASE-1;
|
|
}
|
|
|
|
GetIdentifications().SetMaxPointNr (np + PointIndex::BASE-1);
|
|
}
|
|
|
|
|
|
Table<ElementIndex, PointIndex> Mesh :: CreatePoint2ElementTable(std::optional<BitArray> points, int domain) const
|
|
{
|
|
if(points)
|
|
{
|
|
const auto & free_points = *points;
|
|
return ngcore::CreateSortedTable<ElementIndex, PointIndex>( volelements.Range(),
|
|
[&](auto & table, ElementIndex ei)
|
|
{
|
|
const auto & el = (*this)[ei];
|
|
if(el.IsDeleted())
|
|
return;
|
|
|
|
if(domain && el.GetIndex() != domain)
|
|
return;
|
|
|
|
for (PointIndex pi : el.PNums())
|
|
if(free_points[pi])
|
|
table.Add (pi, ei);
|
|
}, GetNP());
|
|
}
|
|
else
|
|
return ngcore::CreateSortedTable<ElementIndex, PointIndex>( volelements.Range(),
|
|
[&](auto & table, ElementIndex ei)
|
|
{
|
|
const auto & el = (*this)[ei];
|
|
if(el.IsDeleted())
|
|
return;
|
|
|
|
if(domain && el.GetIndex() != domain)
|
|
return;
|
|
|
|
for (PointIndex pi : el.PNums())
|
|
table.Add (pi, ei);
|
|
}, GetNP());
|
|
}
|
|
|
|
Table<SurfaceElementIndex, PointIndex> Mesh :: CreatePoint2SurfaceElementTable( int faceindex ) const
|
|
{
|
|
static Timer timer("Mesh::CreatePoint2SurfaceElementTable"); RegionTimer rt(timer);
|
|
|
|
if(faceindex==0)
|
|
{
|
|
return ngcore::CreateSortedTable<SurfaceElementIndex, PointIndex>( surfelements.Range(),
|
|
[&](auto & table, SurfaceElementIndex ei)
|
|
{
|
|
for (PointIndex pi : (*this)[ei].PNums())
|
|
table.Add (pi, ei);
|
|
}, GetNP());
|
|
}
|
|
|
|
Array<SurfaceElementIndex> face_els;
|
|
GetSurfaceElementsOfFace(faceindex, face_els);
|
|
return ngcore::CreateSortedTable<SurfaceElementIndex, PointIndex>( face_els.Range(),
|
|
[&](auto & table, size_t i)
|
|
{
|
|
for (PointIndex pi : (*this)[face_els[i]].PNums())
|
|
table.Add (pi, face_els[i]);
|
|
}, GetNP());
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
void Mesh :: BuildConnectedNodes ()
|
|
{
|
|
if (PureTetMesh())
|
|
{
|
|
connectedtonode.SetSize(0);
|
|
return;
|
|
}
|
|
|
|
|
|
int i, j, k;
|
|
int np = GetNP();
|
|
int ne = GetNE();
|
|
TABLE<int> conto(np);
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
const Element & el = VolumeElement(i);
|
|
|
|
if (el.GetType() == PRISM)
|
|
{
|
|
for (j = 1; j <= 6; j++)
|
|
{
|
|
int n1 = el.PNum (j);
|
|
int n2 = el.PNum ((j+2)%6+1);
|
|
// if (n1 != n2)
|
|
{
|
|
int found = 0;
|
|
for (k = 1; k <= conto.EntrySize(n1); k++)
|
|
if (conto.Get(n1, k) == n2)
|
|
{
|
|
found = 1;
|
|
break;
|
|
}
|
|
if (!found)
|
|
conto.Add (n1, n2);
|
|
}
|
|
}
|
|
}
|
|
else if (el.GetType() == PYRAMID)
|
|
{
|
|
for (j = 1; j <= 4; j++)
|
|
{
|
|
int n1, n2;
|
|
switch (j)
|
|
{
|
|
case 1: n1 = 1; n2 = 4; break;
|
|
case 2: n1 = 4; n2 = 1; break;
|
|
case 3: n1 = 2; n2 = 3; break;
|
|
case 4: n1 = 3; n2 = 2; break;
|
|
}
|
|
|
|
int found = 0;
|
|
for (k = 1; k <= conto.EntrySize(n1); k++)
|
|
if (conto.Get(n1, k) == n2)
|
|
{
|
|
found = 1;
|
|
break;
|
|
}
|
|
if (!found)
|
|
conto.Add (n1, n2);
|
|
}
|
|
}
|
|
}
|
|
|
|
connectedtonode.SetSize(np);
|
|
for (i = 1; i <= np; i++)
|
|
connectedtonode.Elem(i) = 0;
|
|
|
|
for (i = 1; i <= np; i++)
|
|
if (connectedtonode.Elem(i) == 0)
|
|
{
|
|
connectedtonode.Elem(i) = i;
|
|
ConnectToNodeRec (i, i, conto);
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
void Mesh :: ConnectToNodeRec (int node, int tonode,
|
|
const TABLE<int> & conto)
|
|
{
|
|
int i, n2;
|
|
// (*testout) << "connect " << node << " to " << tonode << endl;
|
|
for (i = 1; i <= conto.EntrySize(node); i++)
|
|
{
|
|
n2 = conto.Get(node, i);
|
|
if (!connectedtonode.Get(n2))
|
|
{
|
|
connectedtonode.Elem(n2) = tonode;
|
|
ConnectToNodeRec (n2, tonode, conto);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
bool Mesh :: PureTrigMesh (int faceindex) const
|
|
{
|
|
// if (!faceindex) return !mparam.quad;
|
|
|
|
if (!faceindex)
|
|
{
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
if (SurfaceElement(i).GetNP() != 3)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
for (int i = 1; i <= GetNSE(); i++)
|
|
if (SurfaceElement(i).GetIndex() == faceindex &&
|
|
SurfaceElement(i).GetNP() != 3)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool Mesh :: PureTetMesh () const
|
|
{
|
|
for (ElementIndex ei = 0; ei < GetNE(); ei++)
|
|
if (VolumeElement(ei).GetNP() != 4)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
void Mesh :: UpdateTopology (NgTaskManager tm,
|
|
NgTracer tracer)
|
|
{
|
|
static Timer t("Update Topology"); RegionTimer reg(t);
|
|
topology.Update(tm, tracer);
|
|
(*tracer)("call update clusters", false);
|
|
clusters->Update();
|
|
(*tracer)("call update clusters", true);
|
|
#ifdef PARALLEL
|
|
if (paralleltop)
|
|
{
|
|
paralleltop->Reset();
|
|
paralleltop->UpdateCoarseGrid();
|
|
}
|
|
#endif
|
|
updateSignal.Emit();
|
|
}
|
|
|
|
void Mesh :: BuildCurvedElements (const Refinement * ref, int aorder, bool arational)
|
|
{
|
|
GetCurvedElements().BuildCurvedElements (ref, aorder, arational);
|
|
|
|
for (SegmentIndex seg = 0; seg < GetNSeg(); seg++)
|
|
(*this)[seg].SetCurved (GetCurvedElements().IsSegmentCurved (seg));
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
(*this)[sei].SetCurved (GetCurvedElements().IsSurfaceElementCurved (sei));
|
|
for (ElementIndex ei = 0; ei < GetNE(); ei++)
|
|
(*this)[ei].SetCurved (GetCurvedElements().IsElementCurved (ei));
|
|
|
|
SetNextMajorTimeStamp();
|
|
}
|
|
|
|
void Mesh :: BuildCurvedElements (int aorder)
|
|
{
|
|
if (!GetGeometry())
|
|
throw NgException ("don't have a geometry for mesh curving");
|
|
|
|
GetCurvedElements().BuildCurvedElements (&GetGeometry()->GetRefinement(), aorder, false);
|
|
|
|
for (SegmentIndex seg = 0; seg < GetNSeg(); seg++)
|
|
(*this)[seg].SetCurved (GetCurvedElements().IsSegmentCurved (seg));
|
|
for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++)
|
|
(*this)[sei].SetCurved (GetCurvedElements().IsSurfaceElementCurved (sei));
|
|
for (ElementIndex ei = 0; ei < GetNE(); ei++)
|
|
(*this)[ei].SetCurved (GetCurvedElements().IsElementCurved (ei));
|
|
|
|
SetNextMajorTimeStamp();
|
|
}
|
|
|
|
void Mesh :: SetMaterial (int domnr, const string & mat)
|
|
{
|
|
if (domnr > materials.Size())
|
|
{
|
|
int olds = materials.Size();
|
|
materials.SetSize (domnr);
|
|
for (int i = olds; i < domnr-1; i++)
|
|
materials[i] = new string("default");
|
|
}
|
|
/*
|
|
materials.Elem(domnr) = new char[strlen(mat)+1];
|
|
strcpy (materials.Elem(domnr), mat);
|
|
*/
|
|
materials.Elem(domnr) = new string(mat);
|
|
}
|
|
|
|
string Mesh :: defaultmat = "default";
|
|
const string & Mesh :: GetMaterial (int domnr) const
|
|
{
|
|
if (domnr <= materials.Size())
|
|
return *materials.Get(domnr);
|
|
static string emptystring("default");
|
|
return emptystring;
|
|
}
|
|
|
|
void Mesh ::SetNBCNames ( int nbcn )
|
|
{
|
|
if ( bcnames.Size() )
|
|
for ( int i = 0; i < bcnames.Size(); i++)
|
|
if ( bcnames[i] ) delete bcnames[i];
|
|
bcnames.SetSize(nbcn);
|
|
bcnames = 0;
|
|
}
|
|
|
|
void Mesh ::SetBCName ( int bcnr, const string & abcname )
|
|
{
|
|
if (bcnr >= bcnames.Size())
|
|
{
|
|
int oldsize = bcnames.Size();
|
|
bcnames.SetSize (bcnr+1); // keeps contents
|
|
for (int i = oldsize; i <= bcnr; i++)
|
|
bcnames[i] = new string("default");
|
|
}
|
|
|
|
if ( bcnames[bcnr] ) delete bcnames[bcnr];
|
|
bcnames[bcnr] = new string ( abcname );
|
|
|
|
for (auto & fd : facedecoding)
|
|
if (fd.BCProperty() <= bcnames.Size())
|
|
fd.SetBCName (bcnames[fd.BCProperty()-1]);
|
|
}
|
|
|
|
const string & Mesh ::GetBCName ( int bcnr ) const
|
|
{
|
|
static string defaultstring = "default";
|
|
|
|
if ( !bcnames.Size() )
|
|
return defaultstring;
|
|
|
|
if (bcnr < 0 || bcnr >= bcnames.Size())
|
|
throw RangeException("Illegal bc number ", bcnr, 0, bcnames.Size());
|
|
|
|
if ( bcnames[bcnr] )
|
|
return *bcnames[bcnr];
|
|
else
|
|
return defaultstring;
|
|
}
|
|
|
|
void Mesh :: SetNCD2Names( int ncd2n )
|
|
{
|
|
if (cd2names.Size())
|
|
for(int i=0; i<cd2names.Size(); i++)
|
|
if(cd2names[i]) delete cd2names[i];
|
|
cd2names.SetSize(ncd2n);
|
|
cd2names = 0;
|
|
}
|
|
|
|
void Mesh :: SetCD2Name ( int cd2nr, const string & abcname )
|
|
{
|
|
cd2nr--;
|
|
(*testout) << "setCD2Name on edge " << cd2nr << " to " << abcname << endl;
|
|
if (cd2nr >= cd2names.Size())
|
|
{
|
|
int oldsize = cd2names.Size();
|
|
cd2names.SetSize(cd2nr+1);
|
|
for(int i= oldsize; i<= cd2nr; i++)
|
|
cd2names[i] = nullptr;
|
|
}
|
|
//if (cd2names[cd2nr]) delete cd2names[cd2nr];
|
|
if (abcname != "default" && abcname != "")
|
|
cd2names[cd2nr] = new string(abcname);
|
|
else
|
|
cd2names[cd2nr] = nullptr;
|
|
}
|
|
|
|
string Mesh :: cd2_default_name = "default";
|
|
string Mesh :: default_bc = "default";
|
|
const string & Mesh :: GetCD2Name (int cd2nr) const
|
|
{
|
|
static string defaultstring = "default";
|
|
if (!cd2names.Size())
|
|
return defaultstring;
|
|
|
|
if (cd2nr < 0 || cd2nr >= cd2names.Size())
|
|
return defaultstring;
|
|
|
|
if (cd2names[cd2nr])
|
|
return *cd2names[cd2nr];
|
|
else
|
|
return defaultstring;
|
|
}
|
|
|
|
void Mesh :: SetNCD3Names( int ncd3n )
|
|
{
|
|
if (cd3names.Size())
|
|
for(int i=0; i<cd3names.Size(); i++)
|
|
if(cd3names[i]) delete cd3names[i];
|
|
cd3names.SetSize(ncd3n);
|
|
cd3names = 0;
|
|
}
|
|
|
|
void Mesh :: SetCD3Name ( int cd3nr, const string & abcname )
|
|
{
|
|
cd3nr--;
|
|
(*testout) << "setCD3Name on vertex " << cd3nr << " to " << abcname << endl;
|
|
if (cd3nr >= cd3names.Size())
|
|
{
|
|
int oldsize = cd3names.Size();
|
|
cd3names.SetSize(cd3nr+1);
|
|
for(int i= oldsize; i<= cd3nr; i++)
|
|
cd3names[i] = nullptr;
|
|
}
|
|
if (abcname != "default")
|
|
cd3names[cd3nr] = new string(abcname);
|
|
else
|
|
cd3names[cd3nr] = nullptr;
|
|
}
|
|
|
|
int Mesh :: AddCD3Name (const string & aname)
|
|
{
|
|
for (int i = 0; i < cd3names.Size(); i++)
|
|
if (*cd3names[i] == aname)
|
|
return i;
|
|
cd3names.Append (new string(aname));
|
|
return cd3names.Size()-1;
|
|
}
|
|
|
|
string Mesh :: cd3_default_name = "default";
|
|
const string & Mesh :: GetCD3Name (int cd3nr) const
|
|
{
|
|
static string defaultstring = "default";
|
|
if (!cd3names.Size())
|
|
return defaultstring;
|
|
|
|
if (cd3nr < 0 || cd3nr >= cd3names.Size())
|
|
return defaultstring;
|
|
|
|
if (cd3names[cd3nr])
|
|
return *cd3names[cd3nr];
|
|
else
|
|
return defaultstring;
|
|
}
|
|
|
|
|
|
NgArray<string*> & Mesh :: GetRegionNamesCD (int codim)
|
|
{
|
|
switch (codim)
|
|
{
|
|
case 0: return materials;
|
|
case 1: return bcnames;
|
|
case 2: return cd2names;
|
|
case 3: return cd3names;
|
|
default: throw Exception("don't have regions of co-dimension "+ToString(codim));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: SetUserData(const char * id, NgArray<int> & data)
|
|
{
|
|
if(userdata_int.Used(id))
|
|
delete userdata_int[id];
|
|
|
|
NgArray<int> * newdata = new NgArray<int>(data);
|
|
|
|
userdata_int.Set(id,newdata);
|
|
}
|
|
bool Mesh :: GetUserData(const char * id, NgArray<int> & data, int shift) const
|
|
{
|
|
if(userdata_int.Used(id))
|
|
{
|
|
if(data.Size() < (*userdata_int[id]).Size()+shift)
|
|
data.SetSize((*userdata_int[id]).Size()+shift);
|
|
for(int i=0; i<(*userdata_int[id]).Size(); i++)
|
|
data[i+shift] = (*userdata_int[id])[i];
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
data.SetSize(0);
|
|
return false;
|
|
}
|
|
}
|
|
void Mesh :: SetUserData(const char * id, NgArray<double> & data)
|
|
{
|
|
if(userdata_double.Used(id))
|
|
delete userdata_double[id];
|
|
|
|
NgArray<double> * newdata = new NgArray<double>(data);
|
|
|
|
userdata_double.Set(id,newdata);
|
|
}
|
|
bool Mesh :: GetUserData(const char * id, NgArray<double> & data, int shift) const
|
|
{
|
|
if(userdata_double.Used(id))
|
|
{
|
|
if(data.Size() < (*userdata_double[id]).Size()+shift)
|
|
data.SetSize((*userdata_double[id]).Size()+shift);
|
|
for(int i=0; i<(*userdata_double[id]).Size(); i++)
|
|
data[i+shift] = (*userdata_double[id])[i];
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
data.SetSize(0);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void Mesh :: PrintMemInfo (ostream & ost) const
|
|
{
|
|
ost << "Mesh Mem:" << endl;
|
|
|
|
ost << GetNP() << " Points, of size "
|
|
<< sizeof (Point3d) << " + " << sizeof(POINTTYPE) << " = "
|
|
<< GetNP() * (sizeof (Point3d) + sizeof(POINTTYPE)) << endl;
|
|
|
|
ost << GetNSE() << " Surface elements, of size "
|
|
<< sizeof (Element2d) << " = "
|
|
<< GetNSE() * sizeof(Element2d) << endl;
|
|
|
|
ost << GetNE() << " Volume elements, of size "
|
|
<< sizeof (Element) << " = "
|
|
<< GetNE() * sizeof(Element) << endl;
|
|
|
|
// ost << "surfs on node:";
|
|
// surfacesonnode.PrintMemInfo (cout);
|
|
|
|
ost << "boundaryedges: ";
|
|
if (boundaryedges)
|
|
boundaryedges->PrintMemInfo (cout);
|
|
|
|
ost << "surfelementht: ";
|
|
if (surfelementht)
|
|
surfelementht->PrintMemInfo (cout);
|
|
}
|
|
|
|
shared_ptr<Mesh> Mesh :: Mirror ( netgen::Point<3> p_plane, Vec<3> n_plane )
|
|
{
|
|
Mesh & m = *this;
|
|
auto nm_ = make_shared<Mesh>();
|
|
Mesh & nm = *nm_;
|
|
nm = m;
|
|
|
|
Point3d pmin, pmax;
|
|
GetBox(pmin, pmax);
|
|
auto v = pmax-pmin;
|
|
double eps = v.Length()*1e-8;
|
|
|
|
/*
|
|
auto onPlane = [&] (const MeshPoint & p) -> bool
|
|
{
|
|
auto v = p_plane-p;
|
|
auto l = v.Length();
|
|
if(l<eps) return true;
|
|
|
|
// auto ret = fabs(v*n_plane)/l;
|
|
return fabs(v*n_plane) < eps;
|
|
};
|
|
*/
|
|
|
|
/*
|
|
auto mirror = [&] (PointIndex pi) -> PointIndex
|
|
{
|
|
auto & p = m[pi];
|
|
|
|
auto v = p_plane-p;
|
|
auto l = v.Length();
|
|
if(l<eps)
|
|
return pi;
|
|
|
|
if(fabs(v*n_plane)/l < eps)
|
|
return pi;
|
|
|
|
auto new_point = p + 2*(v*n_plane)*n_plane;
|
|
return nm.AddPoint( new_point, p.GetLayer(), p.Type() );
|
|
};
|
|
|
|
Array<PointIndex, PointIndex> point_map;
|
|
point_map.SetSize(GetNP());
|
|
point_map = -1;
|
|
|
|
for(auto pi : Range(points))
|
|
point_map[pi] = mirror(pi);
|
|
*/
|
|
|
|
Array<PointIndex, PointIndex> point_map(GetNP());
|
|
Array<PointIndex, PointIndex> point_map1(GetNP());
|
|
|
|
nm.Points().SetSize(0);
|
|
|
|
for(auto pi : Range(points))
|
|
{
|
|
auto & p = m[pi];
|
|
|
|
auto v = p_plane-p;
|
|
auto l = v.Length();
|
|
|
|
if(l < eps || fabs(v*n_plane)/l < eps)
|
|
{
|
|
auto npi = nm.AddPoint(p, p.GetLayer(), p.Type());
|
|
point_map[pi] = npi;
|
|
point_map1[pi] = npi;
|
|
}
|
|
else
|
|
{
|
|
auto new_point = p + 2*(v*n_plane)*n_plane;
|
|
point_map1[pi] = nm.AddPoint(p, p.GetLayer(), p.Type());
|
|
point_map[pi] = nm.AddPoint( new_point, p.GetLayer(), p.Type() );
|
|
}
|
|
}
|
|
|
|
for(auto & el : nm.VolumeElements())
|
|
for(auto i : Range(el.GetNP()))
|
|
el[i] = point_map1[el[i]];
|
|
for(auto & el : nm.SurfaceElements())
|
|
for(auto i : Range(el.GetNP()))
|
|
el[i] = point_map1[el[i]];
|
|
for(auto & el : nm.LineSegments())
|
|
for(auto i : Range(el.GetNP()))
|
|
el[i] = point_map1[el[i]];
|
|
|
|
for(auto & el : VolumeElements())
|
|
{
|
|
auto nel = el;
|
|
for(auto i : Range(el.GetNP()))
|
|
nel[i] = point_map[el[i]];
|
|
nm.AddVolumeElement(nel);
|
|
}
|
|
|
|
for (auto ei : Range(SurfaceElements()))
|
|
{
|
|
auto & el = m[ei];
|
|
auto nel = el;
|
|
for(auto i : Range(el.GetNP()))
|
|
nel[i] = point_map[el[i]];
|
|
|
|
if(!(nel==el))
|
|
{
|
|
nel.Invert();
|
|
nm.AddSurfaceElement(nel);
|
|
}
|
|
}
|
|
|
|
for (auto ei : Range(LineSegments()))
|
|
{
|
|
auto & el = LineSegments()[ei];
|
|
auto nel = el;
|
|
bool is_same = true;
|
|
|
|
for(auto i : Range(el.GetNP()))
|
|
{
|
|
auto pi = el[i];
|
|
nel[i] = point_map[pi];
|
|
if(point_map[pi]!=pi)
|
|
is_same = false;
|
|
}
|
|
|
|
if(!is_same)
|
|
nm.AddSegment(nel);
|
|
}
|
|
|
|
nm.ComputeNVertices();
|
|
return nm_;
|
|
}
|
|
|
|
}
|