mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 14:20:34 +05:00
1851 lines
45 KiB
C++
1851 lines
45 KiB
C++
#include <mystdlib.h>
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#include <meshing.hpp>
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#include <csg.hpp>
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// #undef DEVELOP
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// #define DEVELOP
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namespace netgen
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{
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EdgeCalculation ::
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EdgeCalculation (const CSGeometry & ageometry,
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Array<SpecialPoint> & aspecpoints)
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: geometry(ageometry), specpoints(aspecpoints)
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{
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Box<3> bbox = geometry.BoundingBox();
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searchtree = new Point3dTree (bbox.PMin(), bbox.PMax());
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meshpoint_tree = new Point3dTree (bbox.PMin(), bbox.PMax());
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for (int i = 0; i < specpoints.Size(); i++)
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searchtree->Insert (specpoints[i].p, i);
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ideps = 1e-9;
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}
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EdgeCalculation :: ~EdgeCalculation()
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{
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delete searchtree;
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delete meshpoint_tree;
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}
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void EdgeCalculation :: Calc(double h, Mesh & mesh)
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{
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static int timer = NgProfiler::CreateTimer ("CSG: mesh edges");
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NgProfiler::RegionTimer reg (timer);
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PrintMessage (1, "Find edges");
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PushStatus ("Find edges");
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for (int i = 1; i <= mesh.GetNP(); i++)
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meshpoint_tree->Insert (mesh.Point(i), i);
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// add all special points before edge points (important for periodic identification)
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// JS, Jan 2007
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const double di=1e-7*geometry.MaxSize();
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Array<int> locsearch;
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for (int i = 0; i < specpoints.Size(); i++)
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if (specpoints[i].unconditional)
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{
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Point<3> p = specpoints[i].p;
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meshpoint_tree -> GetIntersecting (p-Vec<3> (di,di,di),
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p+Vec<3> (di,di,di), locsearch);
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if (locsearch.Size() == 0)
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{
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PointIndex pi = mesh.AddPoint (p, specpoints[i].GetLayer(), FIXEDPOINT);
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meshpoint_tree -> Insert (p, pi);
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}
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}
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/*
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// slow version
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for (int i = 0; i < specpoints.Size(); i++)
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if (specpoints[i].unconditional)
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{
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Point<3> p = specpoints[i].p;
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bool found = false;
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for (int j = 1; j <= mesh.GetNP(); j++)
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if (Dist (p, mesh.Point(j)) < 1e-8)
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found = true;
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if (!found)
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mesh.AddPoint (p, specpoints[i].GetLayer(), FIXEDPOINT);
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}
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*/
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CalcEdges1 (h, mesh);
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SplitEqualOneSegEdges (mesh);
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FindClosedSurfaces (h, mesh);
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PrintMessage (3, cntedge, " edges found");
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PopStatus ();
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}
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void EdgeCalculation :: CalcEdges1 (double h, Mesh & mesh)
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{
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Array<int> hsp(specpoints.Size());
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Array<int> glob2hsp(specpoints.Size());
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Array<int> startpoints, endpoints;
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int pos, ep;
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int layer;
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Point<3> p, np;
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int pi1, s1, s2, s1_orig, s2_orig;
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Array<Point<3> > edgepoints;
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Array<double> curvelength;
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int copyedge = 0, copyfromedge = -1, copyedgeidentification = -1;
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Array<int> locsurfind, locind;
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int checkedcopy = 0;
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// double size = geometry.MaxSize();
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// double epspointdist2 = sqr (size) * 1e-12;
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// copy special points to work with
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for (int i = 0; i < specpoints.Size(); i++)
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{
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hsp[i] = i;
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glob2hsp[i] = i;
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}
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//for(int i=0; i<hsp.Size(); i++)
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// (*testout) << "hsp["<<i<<"] ... " << specpoints[hsp[i]].p << endl;
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cntedge = 0;
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INDEX_2_HASHTABLE<int> identification_used(100); // identification i already used for startpoint j
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mesh.GetIdentifications().Delete();
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TABLE<int> specpoint2surface(specpoints.Size());
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if (geometry.identifications.Size())
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{
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for (int i = 0; i < specpoints.Size(); i++)
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for (int j = 0; j < geometry.GetNSurf(); j++)
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if (geometry.GetSurface(j)->PointOnSurface (specpoints[i].p))
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specpoint2surface.Add (i, j);
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}
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TABLE<int> specpoint2tlo(specpoints.Size());
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if (geometry.identifications.Size())
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{
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for (int i = 0; i < specpoints.Size(); i++)
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for (int j = 0; j < geometry.GetNTopLevelObjects(); j++)
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{
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const TopLevelObject * tlo = geometry.GetTopLevelObject (j);
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if (tlo->GetSolid() && tlo->GetSolid()->VectorIn (specpoints[i].p,specpoints[i].v))
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//if (tlo->GetSolid() && tlo->GetSolid()->IsIn (specpoints[i].p))
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{
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#ifdef DEVELOP
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(*testout) << "point " << specpoints[i].p << " v " <<specpoints[i].v <<" is in " << tlo->GetSolid()->Name() << endl;
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#endif
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specpoint2tlo.Add (i, j);
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}
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}
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}
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for (int i = 0; i < specpoints.Size(); i++)
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specpoints[i].nr = i;
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while (hsp.Size())
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{
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SetThreadPercent(100 - 100 * double (hsp.Size()) / specpoints.Size());
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#ifdef DEVELOP
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(*testout) << "hsp.Size() " << hsp.Size() << " specpoints.Size() " << specpoints.Size() << endl;
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(*testout) << endl << "edge nr " << cntedge+1 << endl;
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#endif
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edgepoints.SetSize (0);
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curvelength.SetSize (0);
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pi1 = 0;
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copyedge = 0;
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// identifyable point available ?
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for (int i = 0; i < geometry.identifications.Size() && !pi1; i++)
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for (int j = checkedcopy; j < startpoints.Size() && !pi1; j++)
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{
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#ifdef DEVELOP
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(*testout) << "checking point " << specpoints[startpoints[j]].p
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<< ", v = " << specpoints[startpoints[j]].v
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<< " for copying (i,j = " << i << ", " << j << ")" << endl;
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#endif
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if (geometry.identifications[i]->IdentifyableCandidate (specpoints[startpoints[j]]) &&
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geometry.identifications[i]->IdentifyableCandidate (specpoints[endpoints[j]]))
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{
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int pi1cand = 0;
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double mindist = 1e10;
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for (int k = 0; k < hsp.Size() && !pi1; k++)
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{
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//(*testout) << " ? identifyable with " << specpoints[hsp[k]].p
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//<< ", v = " << specpoints[hsp[k]].v
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// << endl;
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if (identification_used.Used (INDEX_2(i, startpoints[j])) ||
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identification_used.Used (INDEX_2(i, hsp[k])))
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{
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//(*testout) << "failed at pos0" << endl;
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continue;
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}
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if (geometry.identifications[i]
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->Identifyable(specpoints[startpoints[j]], specpoints[hsp[k]], specpoint2tlo, specpoint2surface) ||
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geometry.identifications[i]
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->Identifyable(specpoints[hsp[k]], specpoints[startpoints[j]], specpoint2tlo, specpoint2surface))
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{
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#ifdef DEVELOP
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(*testout) << "identifyable: " << specpoints[hsp[k]].p << ", v = " << specpoints[hsp[k]].v
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<< " and " << specpoints[startpoints[j]].p << ", v = " << specpoints[startpoints[j]].v
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<< " (identification " << i+1 << ")" << endl;
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#endif
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if (Dist (specpoints[startpoints[j]].p, specpoints[hsp[k]].p) < mindist)
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{
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mindist = Dist (specpoints[startpoints[j]].p, specpoints[hsp[k]].p);
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pi1cand = k+1;
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}
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}
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}
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if (pi1cand)
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{
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pi1 = pi1cand;
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copyedge = 1;
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copyfromedge = j+1;
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copyedgeidentification = i+1;
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identification_used.Set (INDEX_2(i, startpoints[j]), 1);
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identification_used.Set (INDEX_2(i, hsp.Get(pi1)), 1);
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}
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}
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}
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// cannot copy from other ege ?
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if (!pi1)
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checkedcopy = startpoints.Size();
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// unconditional special point available ?
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if (!pi1)
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for (int i = 1; i <= hsp.Size(); i++)
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if (specpoints[hsp.Get(i)].unconditional == 1)
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{
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pi1 = i;
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break;
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}
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if (!pi1)
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{
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// no unconditional points available, choose first conitional
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pi1 = 1;
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}
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layer = specpoints[hsp.Get(pi1)].GetLayer();
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if (!specpoints[hsp.Get(pi1)].unconditional)
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{
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specpoints[hsp.Elem(pi1)].unconditional = 1;
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for (int i = 1; i <= hsp.Size(); i++)
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if (i != pi1 &&
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Dist (specpoints[hsp.Get(pi1)].p, specpoints[hsp.Get(i)].p) < 1e-8*geometry.MaxSize() &&
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(specpoints[hsp.Get(pi1)].v + specpoints[hsp.Get(i)].v).Length() < 1e-4)
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{
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// opposite direction
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specpoints[hsp.Elem(i)].unconditional = 1;
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}
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}
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cntedge++;
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startpoints.Append (hsp.Get(pi1));
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#ifdef DEVELOP
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(*testout) << "start followedge: p1 = " << specpoints[hsp.Get(pi1)].p
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<< ", v = " << specpoints[hsp.Get(pi1)].v << endl;
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#endif
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FollowEdge (pi1, ep, pos, hsp, h, mesh,
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edgepoints, curvelength);
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if (multithread.terminate)
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return;
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if (!ep)
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{
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// ignore starting point
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hsp.DeleteElement (pi1);
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cout << "yes, this happens" << endl;
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continue;
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}
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endpoints.Append (hsp.Get(ep));
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double elen = 0;
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for (int i = 1; i <= edgepoints.Size()-1; i++)
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elen += Dist (edgepoints.Get(i), edgepoints.Get(i+1));
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int shortedge = 0;
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for (int i = 1; i <= geometry.identifications.Size(); i++)
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if (geometry.identifications.Get(i)->ShortEdge(specpoints[hsp.Get(pi1)], specpoints[hsp.Get(ep)]))
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shortedge = 1;
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// (*testout) << "shortedge = " << shortedge << endl;
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if (!shortedge)
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{
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mesh.RestrictLocalHLine (Point3d (specpoints[hsp.Get(pi1)].p),
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Point3d (specpoints[hsp.Get(ep)].p),
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elen / mparam.segmentsperedge);
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}
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s1 = specpoints[hsp.Get(pi1)].s1;
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s2 = specpoints[hsp.Get(pi1)].s2;
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s1_orig = specpoints[hsp.Get(pi1)].s1_orig;
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s2_orig = specpoints[hsp.Get(pi1)].s2_orig;
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// delete initial, terminal and conditional points
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#ifdef DEVELOP
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(*testout) << "terminal point: p = " << specpoints[hsp.Get(ep)].p
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<< ", v = " << specpoints[hsp.Get(ep)].v << endl;
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#endif
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searchtree -> DeleteElement (hsp.Get(ep));
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searchtree -> DeleteElement (hsp.Get(pi1));
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if (ep > pi1)
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{
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glob2hsp[hsp[ep-1]] = -1;
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glob2hsp[hsp.Last()] = ep-1;
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hsp.DeleteElement (ep);
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glob2hsp[hsp[pi1-1]] = -1;
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glob2hsp[hsp.Last()] = pi1-1;
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hsp.DeleteElement (pi1);
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}
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else
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{
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glob2hsp[hsp[pi1-1]] = -1;
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glob2hsp[hsp.Last()] = pi1-1;
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hsp.DeleteElement (pi1);
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glob2hsp[hsp[ep-1]] = -1;
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glob2hsp[hsp.Last()] = ep-1;
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hsp.DeleteElement (ep);
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}
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for (int j = 1; j <= edgepoints.Size()-1; j++)
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{
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p = edgepoints.Get(j);
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np = Center (p, edgepoints.Get(j+1));
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double hd = Dist (p, np);
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Box<3> boxp (np - (1.2 * hd) * Vec<3> (1, 1, 1),
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np + (1.2 * hd) * Vec<3> (1, 1, 1));
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searchtree -> GetIntersecting (boxp.PMin(), boxp.PMax(), locind);
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for (int i = 0; i < locind.Size(); i++)
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{
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if ( specpoints[locind[i]].HasSurfaces (s1, s2) &&
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specpoints[locind[i]].unconditional == 0)
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{
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searchtree -> DeleteElement (locind[i]);
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int li = glob2hsp[locind[i]];
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glob2hsp[locind[i]] = -1;
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glob2hsp[hsp.Last()] = li;
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hsp.Delete (li);
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}
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}
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/*
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for (int i = 1; i <= hsp.Size(); i++)
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if ( specpoints[hsp.Get(i)].HasSurfaces (s1, s2) &&
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specpoints[hsp.Get(i)].unconditional == 0 &&
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Dist2 (np, specpoints[hsp.Get(i)].p) < 1.2 * hd)
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{
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searchtree -> DeleteElement (hsp.Get(i)+1);
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hsp.DeleteElement (i);
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i--;
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}
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*/
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}
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Array<Segment> refedges;
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Array<bool> refedgesinv;
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AnalyzeEdge (s1_orig, s2_orig, s1, s2, pos, layer,
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edgepoints,
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refedges, refedgesinv);
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for (int i = 0; i < refedges.Size(); i++)
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refedges[i].edgenr = cntedge;
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#ifdef DEVELOP
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(*testout) << "edge " << cntedge << endl
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<< "startp: " << specpoints[startpoints.Last()].p
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<< ", v = " << specpoints[startpoints.Last()].v << endl
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<< "copy = " << copyedge << endl
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<< refedges.Size() << " refedges: ";
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for (int i = 1; i <= refedges.Size(); i++)
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(*testout) << " " << refedges.Get(i).si;
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(*testout) << endl;
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if (refedgesinv.Size())
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(*testout) << "inv[1] = " << refedgesinv.Get(1) << endl;
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#endif
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if (refedges.Size() == 0)
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throw NgException ("Problem in edge detection");
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if (!copyedge)
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{
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// (*testout) << "store edge" << endl;
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// int oldnseg = mesh.GetNSeg();
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if (!shortedge)
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StoreEdge (refedges, refedgesinv,
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edgepoints, curvelength, layer, mesh);
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else
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StoreShortEdge (refedges, refedgesinv,
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edgepoints, curvelength, layer, mesh);
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for(int i = 0; i < refedges.Size(); i++)
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{
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refedges[i].surfnr1 = geometry.GetSurfaceClassRepresentant(refedges[i].surfnr1);
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refedges[i].surfnr2 = geometry.GetSurfaceClassRepresentant(refedges[i].surfnr2);
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}
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/*
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for (int i = oldnseg+1; i <= mesh.GetNSeg(); i++)
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for (int j = 1; j <= oldnseg; j++)
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{
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const Point<3> & l1p1 = mesh.Point (mesh.LineSegment(i).p1);
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const Point<3> & l1p2 = mesh.Point (mesh.LineSegment(i).p2);
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const Point<3> & l2p1 = mesh.Point (mesh.LineSegment(j).p1);
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const Point<3> & l2p2 = mesh.Point (mesh.LineSegment(j).p2);
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Vec<3> vl1(l1p1, l1p2);
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for (double lamk = 0; lamk <= 1; lamk += 0.1)
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{
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Point<3> l2p = l1p1 + lamk * vl1;
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double dist = sqrt (MinDistLP2 (l2p1, l2p2, l2p));
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if (dist > 1e-12)
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mesh.RestrictLocalH (l2p, 3*dist);
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}
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}
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*/
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}
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else
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{
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CopyEdge (refedges, refedgesinv,
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copyfromedge,
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specpoints[startpoints.Get(copyfromedge)].p,
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specpoints[endpoints.Get(copyfromedge)].p,
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edgepoints.Get(1), edgepoints.Last(),
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copyedgeidentification,
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layer,
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mesh);
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}
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/*
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// not available ...
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for (int i = 0; i < refedges.Size(); i++)
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{
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EdgeDescriptor ed;
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ed.SetSurfNr(0, refedges[i].surfnr1);
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ed.SetSurfNr(1, refedges[i].surfnr2);
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int hnr = mesh.AddEdgeDescriptor(ed);
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if (hnr != refedges[i].edgenr)
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{
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cerr << "edgedescriptor index wrong: new : " << hnr << " old = " << refedges[i].edgenr << endl;
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}
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}
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*/
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// for(int i=0; i<hsp.Size(); i++)
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// {
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// (*testout) << "pos2 hsp["<<i<<"] ... " << specpoints[hsp[i]].p << endl;
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// }
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}
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}
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/*
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If two or more edges share the same initial and end-points,
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then they need at least two segments
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*/
|
|
void EdgeCalculation ::
|
|
SplitEqualOneSegEdges (Mesh & mesh)
|
|
{
|
|
// int i, j;
|
|
SegmentIndex si;
|
|
PointIndex pi;
|
|
|
|
Array<int> osedges(cntedge);
|
|
INDEX_2_HASHTABLE<int> osedgesht (cntedge+1);
|
|
|
|
osedges = 2;
|
|
|
|
// count segments on edges
|
|
for (si = 0; si < mesh.GetNSeg(); si++)
|
|
{
|
|
const Segment & seg = mesh[si];
|
|
if (seg.seginfo && seg.edgenr >= 1 && seg.edgenr <= cntedge)
|
|
osedges.Elem(seg.edgenr)--;
|
|
}
|
|
|
|
// flag one segment edges
|
|
for (int i = 0; i < cntedge; i++)
|
|
osedges[i] = (osedges[i] > 0) ? 1 : 0;
|
|
|
|
for (si = 0; si < mesh.GetNSeg(); si++)
|
|
{
|
|
const Segment & seg = mesh[si];
|
|
if (seg.seginfo && seg.edgenr >= 1 && seg.edgenr <= cntedge)
|
|
{
|
|
if (osedges.Get(seg.edgenr))
|
|
{
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort ();
|
|
if (osedgesht.Used (i2))
|
|
osedgesht.Set (i2, 2);
|
|
else
|
|
osedgesht.Set (i2, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// one edge 1 segment, other 2 segments
|
|
// yes, it happens !
|
|
point_on_edge_problem = 0;
|
|
for (int i = 1; i <= osedgesht.GetNBags(); i++)
|
|
for (int j = 1; j <= osedgesht.GetBagSize(i); j++)
|
|
{
|
|
INDEX_2 i2;
|
|
int val;
|
|
osedgesht.GetData (i, j, i2, val);
|
|
|
|
const Point<3> & p1 = mesh[PointIndex(i2.I1())];
|
|
const Point<3> & p2 = mesh[PointIndex(i2.I2())];
|
|
Vec<3> v = p2 - p1;
|
|
double vlen = v.Length();
|
|
v /= vlen;
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
|
|
if (pi != i2.I1() && pi != i2.I2())
|
|
{
|
|
const Point<3> & p = mesh[pi];
|
|
Vec<3> v2 = p - p1;
|
|
double lam = (v2 * v);
|
|
if (lam > 0 && lam < vlen)
|
|
{
|
|
Point<3> hp = p1 + lam * v;
|
|
if (Dist (p, hp) < 1e-4 * vlen)
|
|
{
|
|
PrintWarning ("Point on edge !!!");
|
|
cout << "seg: " << i2 << ", p = " << pi << endl;
|
|
osedgesht.Set (i2, 2);
|
|
point_on_edge_problem = 1;
|
|
|
|
(*testout) << "Point on edge" << endl
|
|
<< "seg = " << i2 << ", p = " << pi << endl
|
|
<< "pos = " << p << ", projected = " << hp << endl
|
|
<< "seg is = " << mesh.Point(i2.I1()) << " - " << mesh.Point(i2.I2()) << endl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// insert new points
|
|
osedges = -1;
|
|
|
|
int nseg = mesh.GetNSeg();
|
|
for (si = 0; si < nseg; si++)
|
|
{
|
|
const Segment & seg = mesh[si];
|
|
if (seg.seginfo && seg.edgenr >= 1 && seg.edgenr <= cntedge)
|
|
{
|
|
INDEX_2 i2(seg[0], seg[1]);
|
|
i2.Sort ();
|
|
if (osedgesht.Used (i2) &&
|
|
osedgesht.Get (i2) == 2 &&
|
|
osedges.Elem(seg.edgenr) == -1)
|
|
{
|
|
Point<3> newp = Center (mesh[PointIndex(seg[0])],
|
|
mesh[PointIndex(seg[1])]);
|
|
|
|
ProjectToEdge (geometry.GetSurface(seg.surfnr1),
|
|
geometry.GetSurface(seg.surfnr2),
|
|
newp);
|
|
|
|
osedges.Elem(seg.edgenr) =
|
|
mesh.AddPoint (newp, mesh[PointIndex(seg[0])].GetLayer(), EDGEPOINT);
|
|
meshpoint_tree -> Insert (newp, osedges.Elem(seg.edgenr));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
for (int i = 1; i <= nseg; i++)
|
|
{
|
|
Segment & seg = mesh.LineSegment (i);
|
|
if (seg.edgenr >= 1 && seg.edgenr <= cntedge)
|
|
{
|
|
if (osedges.Get(seg.edgenr) != -1)
|
|
{
|
|
Segment newseg = seg;
|
|
newseg[0] = osedges.Get(seg.edgenr);
|
|
seg[1] = osedges.Get(seg.edgenr);
|
|
mesh.AddSegment (newseg);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
FollowEdge (int pi1, int & ep, int & pos,
|
|
const Array<int> & hsp,
|
|
double h, const Mesh & mesh,
|
|
Array<Point<3> > & edgepoints,
|
|
Array<double> & curvelength)
|
|
{
|
|
int s1, s2, s1_rep, s2_rep;
|
|
double len, steplen, cursteplen, loch;
|
|
Point<3> p, np, pnp;
|
|
Vec<3> a1, a2, t;
|
|
|
|
Array<int> locind;
|
|
|
|
double size = geometry.MaxSize();
|
|
double epspointdist2 = size * 1e-6;
|
|
epspointdist2 = sqr (epspointdist2);
|
|
int uselocalh = mparam.uselocalh;
|
|
|
|
|
|
s1_rep = specpoints[hsp.Get(pi1)].s1;
|
|
s2_rep = specpoints[hsp.Get(pi1)].s2;
|
|
s1 = specpoints[hsp.Get(pi1)].s1_orig;
|
|
s2 = specpoints[hsp.Get(pi1)].s2_orig;
|
|
|
|
p = specpoints[hsp.Get(pi1)].p;
|
|
//ProjectToEdge (geometry.GetSurface(s1),
|
|
// geometry.GetSurface(s2), p);
|
|
geometry.GetSurface(s1) -> CalcGradient (p, a1);
|
|
geometry.GetSurface(s2) -> CalcGradient (p, a2);
|
|
|
|
t = Cross (a1, a2);
|
|
t.Normalize();
|
|
|
|
pos = (specpoints[hsp.Get(pi1)].v * t) > 0;
|
|
if (!pos) t *= -1;
|
|
|
|
|
|
edgepoints.Append (p);
|
|
curvelength.Append (0);
|
|
len = 0;
|
|
|
|
// (*testout) << "geometry.GetSurface(s1) -> LocH (p, 3, 1, h) " << geometry.GetSurface(s1) -> LocH (p, 3, 1, h)
|
|
// << " geometry.GetSurface(s2) -> LocH (p, 3, 1, h) " << geometry.GetSurface(s2) -> LocH (p, 3, 1, h) << endl;
|
|
|
|
loch = min2 (geometry.GetSurface(s1) -> LocH (p, 3, 1, h),
|
|
geometry.GetSurface(s2) -> LocH (p, 3, 1, h));
|
|
|
|
|
|
|
|
if (uselocalh)
|
|
{
|
|
double lh = mesh.GetH(p);
|
|
// (*testout) << "lh " << lh << endl;
|
|
if (lh < loch)
|
|
loch = lh;
|
|
}
|
|
|
|
steplen = 0.1 * loch;
|
|
|
|
do
|
|
{
|
|
if (multithread.terminate)
|
|
return;
|
|
|
|
if (fabs (p(0)) + fabs (p(1)) + fabs (p(2)) > 100000*size)
|
|
{
|
|
ep = 0;
|
|
PrintWarning ("Give up line");
|
|
break;
|
|
}
|
|
|
|
if (steplen > 0.1 * loch) steplen = 0.1 * loch;
|
|
|
|
steplen *= 2;
|
|
do
|
|
{
|
|
steplen *= 0.5;
|
|
np = p + steplen * t;
|
|
pnp = np;
|
|
ProjectToEdge (geometry.GetSurface(s1),
|
|
geometry.GetSurface(s2), pnp);
|
|
}
|
|
while (Dist (np, pnp) > 0.1 * steplen);
|
|
|
|
|
|
cursteplen = steplen;
|
|
if (Dist (np, pnp) < 0.01 * steplen) steplen *= 2;
|
|
|
|
|
|
np = pnp;
|
|
ep = 0;
|
|
|
|
double hvtmin = 1.5 * cursteplen;
|
|
|
|
Box<3> boxp (p - (2 * cursteplen) * Vec<3> (1, 1, 1),
|
|
p + (2 * cursteplen) * Vec<3> (1, 1, 1));
|
|
|
|
searchtree -> GetIntersecting (boxp.PMin(), boxp.PMax(), locind);
|
|
|
|
for (int i = 0; i < locind.Size(); i++)
|
|
{
|
|
Vec<3> hv = specpoints[locind[i]].p - p;
|
|
if (hv.Length2() > 9 * cursteplen * cursteplen)
|
|
continue;
|
|
|
|
double hvt = hv * t;
|
|
hv -= hvt * t;
|
|
|
|
if (hv.Length() < 0.2 * cursteplen &&
|
|
hvt > 0 &&
|
|
// hvt < 1.5 * cursteplen &&
|
|
hvt < hvtmin &&
|
|
specpoints[locind[i]].unconditional == 1 &&
|
|
(specpoints[locind[i]].v + t).Length() < 0.4 )
|
|
{
|
|
Point<3> hep = specpoints[locind[i]].p;
|
|
ProjectToEdge (geometry.GetSurface(s1),
|
|
geometry.GetSurface(s2), hep);
|
|
|
|
|
|
if (Dist2 (hep, specpoints[locind[i]].p) < epspointdist2 )
|
|
{
|
|
geometry.GetSurface(s1) -> CalcGradient (hep, a1);
|
|
geometry.GetSurface(s2) -> CalcGradient (hep, a2);
|
|
Vec<3> ept = Cross (a1, a2);
|
|
ept /= ept.Length();
|
|
if (!pos) ept *= -1;
|
|
|
|
if ( (specpoints[locind[i]].v + ept).Length() < 1e-4 )
|
|
{
|
|
np = specpoints[locind[i]].p;
|
|
|
|
for (int jj = 0; jj < hsp.Size(); jj++)
|
|
if (hsp[jj] == locind[i])
|
|
ep = jj+1;
|
|
|
|
if (!ep)
|
|
cerr << "endpoint not found" << endl;
|
|
// ep = i;
|
|
hvtmin = hvt;
|
|
// break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
for (int i = 1; i <= hsp.Size(); i++)
|
|
{
|
|
if (!boxp.IsIn (specpoints[hsp.Get(i)].p))
|
|
continue;
|
|
|
|
Vec<3> hv = specpoints[hsp.Get(i)].p - p;
|
|
if (hv.Length2() > 9 * cursteplen * cursteplen)
|
|
continue;
|
|
|
|
double hvt = hv * t;
|
|
hv -= hvt * t;
|
|
|
|
if (hv.Length() < 0.2 * cursteplen &&
|
|
hvt > 0 &&
|
|
// hvt < 1.5 * cursteplen &&
|
|
hvt < hvtmin &&
|
|
specpoints[hsp.Get(i)].unconditional == 1 &&
|
|
(specpoints[hsp.Get(i)].v + t).Length() < 0.4 )
|
|
{
|
|
Point<3> hep = specpoints[hsp.Get(i)].p;
|
|
ProjectToEdge (geometry.GetSurface(s1),
|
|
geometry.GetSurface(s2), hep);
|
|
|
|
|
|
if (Dist2 (hep, specpoints[hsp.Get(i)].p) < epspointdist2 )
|
|
{
|
|
geometry.GetSurface(s1) -> CalcGradient (hep, a1);
|
|
geometry.GetSurface(s2) -> CalcGradient (hep, a2);
|
|
Vec<3> ept = Cross (a1, a2);
|
|
ept /= ept.Length();
|
|
if (!pos) ept *= -1;
|
|
|
|
if ( (specpoints[hsp.Get(i)].v + ept).Length() < 1e-4 )
|
|
{
|
|
np = specpoints[hsp.Get(i)].p;
|
|
ep = i;
|
|
hvtmin = hvt;
|
|
// break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
loch = min2 (geometry.GetSurface(s1_rep) -> LocH (np, 3, 1, h),
|
|
geometry.GetSurface(s2_rep) -> LocH (np, 3, 1, h));
|
|
loch = max2 (loch, mparam.minh);
|
|
|
|
if (uselocalh)
|
|
{
|
|
double lh = mesh.GetH(np);
|
|
if (lh < loch)
|
|
loch = lh;
|
|
}
|
|
|
|
|
|
len += Dist (p, np) / loch;
|
|
edgepoints.Append (np);
|
|
curvelength.Append (len);
|
|
|
|
p = np;
|
|
|
|
geometry.GetSurface(s1) -> CalcGradient (p, a1);
|
|
geometry.GetSurface(s2) -> CalcGradient (p, a2);
|
|
t = Cross (a1, a2);
|
|
t.Normalize();
|
|
if (!pos) t *= -1;
|
|
}
|
|
while (! ep);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
AnalyzeEdge (int s1, int s2, int s1_rep, int s2_rep, int pos, int layer,
|
|
const Array<Point<3> > & edgepoints,
|
|
Array<Segment> & refedges,
|
|
Array<bool> & refedgesinv)
|
|
{
|
|
Segment seg;
|
|
Array<int> locsurfind, locsurfind2;
|
|
|
|
Array<int> edges_priority;
|
|
|
|
double size = geometry.MaxSize();
|
|
bool debug = 0;
|
|
|
|
#ifdef DEVELOP
|
|
debug = 1;
|
|
#endif
|
|
|
|
if (debug)
|
|
{
|
|
(*testout) << "debug edge !!!" << endl;
|
|
(*testout) << "edgepoints = " << edgepoints << endl;
|
|
(*testout) << "s1, s2 = " << s1 << " - " << s2 << endl;
|
|
(*testout) << "s1_rep, s2_rep = " << s1_rep << " - " << s2_rep << endl;
|
|
}
|
|
|
|
refedges.SetSize(0);
|
|
refedgesinv.SetSize(0);
|
|
Point<3> hp = Center (edgepoints[0], edgepoints[1]);
|
|
ProjectToEdge (geometry.GetSurface(s1), geometry.GetSurface(s2), hp);
|
|
|
|
if (debug)
|
|
*testout << "hp = " << hp << endl;
|
|
|
|
Vec<3> t, a1, a2;
|
|
geometry.GetSurface(s1) -> CalcGradient (hp, a1);
|
|
geometry.GetSurface(s2) -> CalcGradient (hp, a2);
|
|
t = Cross (a1, a2);
|
|
t.Normalize();
|
|
if (!pos) t *= -1;
|
|
|
|
|
|
|
|
for (int i = 0; i < geometry.GetNTopLevelObjects(); i++)
|
|
{
|
|
Solid * locsol;
|
|
|
|
if (geometry.GetTopLevelObject(i)->GetLayer() != layer)
|
|
continue;
|
|
|
|
const Solid * sol = geometry.GetTopLevelObject(i)->GetSolid();
|
|
const Surface * surf = geometry.GetTopLevelObject(i)->GetSurface();
|
|
|
|
sol -> TangentialSolid (hp, locsol, locsurfind, size*ideps);
|
|
|
|
//*testout << "hp = " << hp << endl;
|
|
//(*testout) << "locsol: " << endl;
|
|
//if (locsol) locsol->Print(*testout);
|
|
//(*testout) << endl;
|
|
|
|
|
|
if (!locsol) continue;
|
|
|
|
BoxSphere<3> boxp (hp, hp);
|
|
boxp.Increase (1e-8*size);
|
|
boxp.CalcDiamCenter();
|
|
|
|
ReducePrimitiveIterator rpi(boxp);
|
|
UnReducePrimitiveIterator urpi;
|
|
|
|
((Solid*)locsol) -> IterateSolid (rpi);
|
|
|
|
locsol -> CalcSurfaceInverse ();
|
|
|
|
if (!surf)
|
|
{
|
|
locsol -> GetTangentialSurfaceIndices (hp,locsurfind,ideps*size);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
if (fabs (surf->CalcFunctionValue (hp)) < 1e-6)
|
|
continue;
|
|
*/
|
|
locsurfind.SetSize(1);
|
|
locsurfind[0] = -1;
|
|
for (int j = 0; j < geometry.GetNSurf(); j++)
|
|
if (geometry.GetSurface(j) == surf)
|
|
{
|
|
locsurfind[0] = j;
|
|
// geometry.GetSurfaceClassRepresentant(j);
|
|
break;
|
|
}
|
|
}
|
|
|
|
((Solid*)locsol) -> IterateSolid (urpi);
|
|
|
|
|
|
if (debug)
|
|
(*testout) << "edge of tlo " << i << ", has " << locsurfind.Size() << " faces." << endl;
|
|
|
|
|
|
for (int j = locsurfind.Size()-1; j >= 0; j--)
|
|
if (fabs (geometry.GetSurface(locsurfind[j])
|
|
->CalcFunctionValue (hp) ) > ideps*size)
|
|
locsurfind.Delete(j);
|
|
|
|
if (debug)
|
|
(*testout) << locsurfind.Size() << " faces on hp" << endl;
|
|
|
|
|
|
|
|
for (int j = 0; j < locsurfind.Size(); j++)
|
|
{
|
|
int lsi = locsurfind[j];
|
|
int rlsi = geometry.GetSurfaceClassRepresentant(lsi);
|
|
|
|
|
|
// n is outer normal to solid
|
|
Vec<3> n = geometry.GetSurface(lsi) -> GetNormalVector (hp);
|
|
if (debug)
|
|
*testout << "n1 = " << n << endl;
|
|
if (geometry.GetSurface (lsi)->Inverse())
|
|
n *= -1;
|
|
|
|
if (fabs (t * n) > 1e-4) continue;
|
|
if (debug)
|
|
{
|
|
(*testout) << "face " << locsurfind[j] << ", rep = " << rlsi
|
|
<< " has (t*n) = " << (t*n) << endl;
|
|
(*testout) << "n = " << n << endl;
|
|
}
|
|
|
|
// rn is normal to class representant
|
|
Vec<3> rn = geometry.GetSurface(rlsi) -> GetNormalVector (hp);
|
|
if (debug)
|
|
{
|
|
(*testout) << "rn = " << rn << endl;
|
|
}
|
|
|
|
//if( n*rn < 0)
|
|
// rn *= -1;
|
|
|
|
bool sameasref = ((n * rn) > 0);
|
|
|
|
//m = Cross (t, rn);
|
|
Vec<3> m = Cross (t, n);
|
|
if(!sameasref) m*=-1.;
|
|
|
|
m.Normalize();
|
|
|
|
|
|
if (debug)
|
|
(*testout) << "m = " << m << endl;
|
|
|
|
|
|
//bool founddirection = false;
|
|
//int k;
|
|
double eps = 1e-8*size;
|
|
|
|
Array<bool> pre_ok(2);
|
|
|
|
do
|
|
{
|
|
eps *= 0.5;
|
|
pre_ok[0] = (locsol -> VectorIn2 (hp, m, n, eps) == IS_OUTSIDE &&
|
|
locsol -> VectorIn2 (hp, m, -1. * n, eps) == IS_INSIDE);
|
|
pre_ok[1] = (locsol -> VectorIn2 (hp, -1.*m, n, eps) == IS_OUTSIDE &&
|
|
locsol -> VectorIn2 (hp, -1.*m, -1. * n, eps) == IS_INSIDE);
|
|
|
|
if (debug)
|
|
{
|
|
*testout << "eps = " << eps << endl;
|
|
*testout << "in,1 = " << locsol -> VectorIn2 (hp, m, n, eps) << endl;
|
|
*testout << "in,1 = " << locsol -> VectorIn2 (hp, m, -1. * n, eps) << endl;
|
|
*testout << "in,1 = " << locsol -> VectorIn2 (hp, -1.*m, n, eps) << endl;
|
|
*testout << "in,1 = " << locsol -> VectorIn2 (hp, -1.*m, -1. * n, eps) << endl;
|
|
}
|
|
}
|
|
while(pre_ok[0] && pre_ok[1] && eps > 1e-16*size);
|
|
|
|
if (debug)
|
|
{
|
|
*testout << "eps = " << eps << ", size = " << size << endl;
|
|
*testout << "pre_ok[0,1] = " << pre_ok[0] << "," << pre_ok[1] << endl;
|
|
}
|
|
|
|
eps = 1e-8*size;
|
|
|
|
|
|
for (int k = 1; k <= 2; k ++)
|
|
{
|
|
bool edgeinv = (k == 2);
|
|
|
|
if (debug)
|
|
{
|
|
(*testout) << "onface(" << hp << ", " << m << ")= " << flush;
|
|
(*testout) << locsol->OnFace (hp, m, eps) << flush;
|
|
(*testout) << " n " << n << flush;
|
|
(*testout) << " vec2in = "
|
|
<< locsol -> VectorIn2 (hp, m, n, eps) << " and "
|
|
<< locsol -> VectorIn2 (hp, m, -1 * n, eps) << endl;
|
|
}
|
|
|
|
// if (locsol -> OnFace (hp, m))
|
|
|
|
|
|
// one side must be inside, the other must be outside
|
|
bool ok = (pre_ok[k-1] ||
|
|
(locsol -> VectorIn2 (hp, m, n, eps) == IS_OUTSIDE &&
|
|
locsol -> VectorIn2 (hp, m, -1 * n, eps) == IS_INSIDE));
|
|
|
|
if (debug)
|
|
(*testout) << "ok (before) " << ok << endl;
|
|
|
|
// compute second order approximation
|
|
// curve = hp + t m + t*t/2 m2
|
|
Vec<3> grad, m2;
|
|
Mat<3> hesse;
|
|
geometry.GetSurface(lsi) -> CalcGradient (hp, grad);
|
|
geometry.GetSurface(lsi) -> CalcHesse (hp, hesse);
|
|
double fac = -(m * (hesse * m)) / (grad * grad);
|
|
m2 = fac * grad;
|
|
// (*testout) << "hp = " << hp << ", m = " << m << ", m2 = " << m2 << endl;
|
|
|
|
Solid * locsol2;
|
|
locsol -> TangentialSolid3 (hp, m, m2, locsol2, locsurfind2, ideps*size);
|
|
if (!locsol2) ok = 0;
|
|
delete locsol2;
|
|
|
|
|
|
if (ok)
|
|
{
|
|
if (debug)
|
|
(*testout) << "is true" << endl;
|
|
int hi = 0;
|
|
for (int l = 1; !hi && l <= refedges.Size(); l++)
|
|
{
|
|
if (refedges.Get(l).si == rlsi && // JS sept 2006
|
|
// if (refedges.Get(l).si == lsi &&
|
|
refedgesinv.Get(l) == edgeinv)
|
|
{
|
|
hi = l;
|
|
}
|
|
}
|
|
|
|
if (!hi)
|
|
{
|
|
seg.si = rlsi; // JS Sept 2006
|
|
// seg.si = lsi;
|
|
seg.domin = -1;
|
|
seg.domout = -1;
|
|
seg.tlosurf = -1;
|
|
//seg.surfnr1 = s1_rep;
|
|
//seg.surfnr2 = s2_rep;
|
|
seg.surfnr1 = s1;
|
|
seg.surfnr2 = s2;
|
|
hi = refedges.Append (seg);
|
|
refedgesinv.Append (edgeinv);
|
|
edges_priority.Append((pre_ok[k-1]) ? 1 : 0);
|
|
}
|
|
else
|
|
{
|
|
if(edges_priority[hi-1] / 10 == -i-1)
|
|
edges_priority[hi-1] = 10*(i+1);
|
|
else
|
|
edges_priority[hi-1] = -10*(i+1);
|
|
}
|
|
|
|
if (!surf)
|
|
{
|
|
if (sameasref)
|
|
refedges.Elem(hi).domin = i;
|
|
else
|
|
refedges.Elem(hi).domout = i;
|
|
}
|
|
else
|
|
refedges.Elem(hi).tlosurf = i;
|
|
|
|
if(pre_ok[k-1])
|
|
edges_priority[hi-1] = 1;
|
|
|
|
|
|
if (debug)
|
|
(*testout) << "add ref seg:"
|
|
<< "si = " << refedges.Get(hi).si
|
|
<< ", domin = " << refedges.Get(hi).domin
|
|
<< ", domout = " << refedges.Get(hi).domout
|
|
<< ", surfnr1/2 = " << refedges.Get(hi).surfnr1
|
|
<< ", " << refedges.Get(hi).surfnr2
|
|
<< ", inv = " << refedgesinv.Get(hi)
|
|
<< ", refedgenr = " << hi
|
|
<< ", priority = " << edges_priority[hi-1]
|
|
<< ", hi = " << hi
|
|
<< endl;
|
|
}
|
|
else
|
|
{
|
|
if (debug)
|
|
(*testout) << "is false" << endl;
|
|
}
|
|
m *= -1;
|
|
}
|
|
}
|
|
delete locsol;
|
|
}
|
|
|
|
|
|
if (debug)
|
|
{
|
|
*testout << "Refsegments, before delete: " << endl << refedges << endl;
|
|
*testout << "inv: " << endl << refedgesinv << endl;
|
|
}
|
|
|
|
BitArray todelete(refedges.Size());
|
|
todelete.Clear();
|
|
|
|
|
|
for(int i=0; i<refedges.Size()-1; i++)
|
|
{
|
|
for(int j=i+1; !todelete.Test(i) && j<refedges.Size(); j++)
|
|
{
|
|
if(todelete.Test(j))
|
|
continue;
|
|
|
|
if(refedges[i].si == refedges[j].si &&
|
|
refedges[i].domin == refedges[j].domin &&
|
|
refedges[i].domout == refedges[j].domout &&
|
|
geometry.GetSurfaceClassRepresentant(refedges[i].surfnr1) == geometry.GetSurfaceClassRepresentant(refedges[j].surfnr1) &&
|
|
geometry.GetSurfaceClassRepresentant(refedges[i].surfnr2) == geometry.GetSurfaceClassRepresentant(refedges[j].surfnr2)
|
|
// && refedgesinv[i] == refedgesinv[j] // JS, 20060802
|
|
)
|
|
{
|
|
if(debug)
|
|
(*testout) << "equal segments: " << refedges[i] << " pri " << edges_priority[i]
|
|
<< " tlosurf " << refedges[i].tlosurf
|
|
<< "\n and " << refedges[j] << " pri " << edges_priority[j]
|
|
<< " tlosurf " << refedges[i].tlosurf << endl;
|
|
|
|
if(edges_priority[i] < 10 && edges_priority[i] < edges_priority[j])
|
|
{
|
|
todelete.Set(i);
|
|
}
|
|
else if (edges_priority[j] < 10 && edges_priority[i] > edges_priority[j])
|
|
{
|
|
todelete.Set(j);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
int num = refedges.Size();
|
|
|
|
for(int i=refedges.Size()-1; num>2 && i>=0; i--)
|
|
if(todelete.Test(i))
|
|
{
|
|
refedges.Delete(i);
|
|
refedgesinv.Delete(i);
|
|
num--;
|
|
}
|
|
|
|
|
|
if (debug)
|
|
{
|
|
*testout << "Refsegments: " << endl << refedges << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
StoreEdge (const Array<Segment> & refedges,
|
|
const Array<bool> & refedgesinv,
|
|
const Array<Point<3> > & edgepoints,
|
|
const Array<double> & curvelength,
|
|
int layer,
|
|
Mesh & mesh)
|
|
{
|
|
|
|
// Calculate optimal element-length
|
|
int i, j, k;
|
|
PointIndex pi;
|
|
int ne;
|
|
|
|
double len, corr, lam;
|
|
PointIndex thispi, lastpi;
|
|
Point<3> p, np;
|
|
Segment seg;
|
|
|
|
const Surface * surf1 = geometry.GetSurface (refedges.Get(1).surfnr1);
|
|
const Surface * surf2 = geometry.GetSurface (refedges.Get(1).surfnr2);
|
|
|
|
(*testout) << "s1 " << refedges.Get(1).surfnr1 << " s2 " << refedges.Get(1).surfnr2
|
|
<< " rs1 " << geometry.GetSurfaceClassRepresentant(refedges.Get(1).surfnr1)
|
|
<< " rs2 " << geometry.GetSurfaceClassRepresentant(refedges.Get(1).surfnr2) << endl;
|
|
|
|
len = curvelength.Last();
|
|
ne = int (len + 0.5);
|
|
if (ne == 0) ne = 1;
|
|
if (Dist (edgepoints.Get(1), edgepoints.Last()) < 1e-8*geometry.MaxSize() &&
|
|
ne <= 6)
|
|
ne = 6;
|
|
corr = len / ne;
|
|
|
|
// generate initial point
|
|
p = edgepoints.Get(1);
|
|
lastpi = -1;
|
|
|
|
/*
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
if (Dist (mesh[pi], p) < 1e-6)
|
|
{
|
|
lastpi = pi;
|
|
break;
|
|
}
|
|
*/
|
|
|
|
const double di=1e-7*geometry.MaxSize();
|
|
|
|
Array<int> locsearch;
|
|
meshpoint_tree -> GetIntersecting (p-Vec<3> (di,di,di),
|
|
p+Vec<3> (di,di,di), locsearch);
|
|
if (locsearch.Size())
|
|
lastpi = locsearch[0];
|
|
|
|
|
|
|
|
if (lastpi == -1)
|
|
{
|
|
lastpi = mesh.AddPoint (p, layer, FIXEDPOINT);
|
|
meshpoint_tree -> Insert (p, lastpi);
|
|
// (*testout) << "test1, store point " << lastpi << ", p = " << p << endl;
|
|
}
|
|
|
|
j = 1;
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
while (curvelength.Get(j) < i * corr && j < curvelength.Size()) j++;
|
|
|
|
|
|
lam = (i * corr - curvelength.Get(j-1)) /
|
|
(curvelength.Get(j) - curvelength.Get(j-1));
|
|
|
|
np(0) = (1-lam) * edgepoints.Get(j-1)(0) + lam * edgepoints.Get(j)(0);
|
|
np(1) = (1-lam) * edgepoints.Get(j-1)(1) + lam * edgepoints.Get(j)(1);
|
|
np(2) = (1-lam) * edgepoints.Get(j-1)(2) + lam * edgepoints.Get(j)(2);
|
|
|
|
thispi = -1;
|
|
if (i == ne)
|
|
{
|
|
/*
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
if (Dist(mesh[pi], np) < 1e-6)
|
|
thispi = pi;
|
|
*/
|
|
|
|
meshpoint_tree -> GetIntersecting (np-Vec<3> (di,di,di),
|
|
np+Vec<3> (di,di,di), locsearch);
|
|
if (locsearch.Size())
|
|
thispi = locsearch[0];
|
|
}
|
|
|
|
if (thispi == -1)
|
|
{
|
|
ProjectToEdge (surf1, surf2, np);
|
|
thispi = mesh.AddPoint (np, layer, (i==ne) ? FIXEDPOINT : EDGEPOINT);
|
|
|
|
meshpoint_tree -> Insert (np, thispi);
|
|
// (*testout) << "test2, store point " << thispi << ", p = " << np << endl;
|
|
}
|
|
|
|
for (k = 1; k <= refedges.Size(); k++)
|
|
{
|
|
if (refedgesinv.Get(k))
|
|
{
|
|
seg[0] = lastpi;
|
|
seg[1] = thispi;
|
|
}
|
|
else
|
|
{
|
|
seg[0] = thispi;
|
|
seg[1] = lastpi;
|
|
}
|
|
seg.si = refedges.Get(k).si;
|
|
seg.domin = refedges.Get(k).domin;
|
|
seg.domout = refedges.Get(k).domout;
|
|
seg.tlosurf = refedges.Get(k).tlosurf;
|
|
seg.edgenr = refedges.Get(k).edgenr;
|
|
seg.surfnr1 = refedges.Get(k).surfnr1;
|
|
seg.surfnr2 = refedges.Get(k).surfnr2;
|
|
seg.seginfo = 0;
|
|
if (k == 1) seg.seginfo = (refedgesinv.Get(k)) ? 2 : 1;
|
|
mesh.AddSegment (seg);
|
|
//(*testout) << "add seg " << mesh[seg.p1] << "-" << mesh[seg.p2] << endl;
|
|
//(*testout) << "refedge " << k << " surf1 " << seg.surfnr1 << " surf2 " << seg.surfnr2 << " inv " << refedgesinv.Get(k) << endl;
|
|
|
|
double maxh = min2 (geometry.GetSurface(seg.surfnr1)->GetMaxH(),
|
|
geometry.GetSurface(seg.surfnr2)->GetMaxH());
|
|
|
|
if (seg.domin != -1)
|
|
{
|
|
const Solid * s1 =
|
|
geometry.GetTopLevelObject(seg.domin) -> GetSolid();
|
|
maxh = min2 (maxh, s1->GetMaxH());
|
|
maxh = min2 (maxh, geometry.GetTopLevelObject(seg.domin)->GetMaxH());
|
|
mesh.RestrictLocalH (p, maxh);
|
|
mesh.RestrictLocalH (np, maxh);
|
|
}
|
|
if (seg.domout != -1)
|
|
{
|
|
const Solid * s1 =
|
|
geometry.GetTopLevelObject(seg.domout) -> GetSolid();
|
|
maxh = min2 (maxh, s1->GetMaxH());
|
|
maxh = min2 (maxh, geometry.GetTopLevelObject(seg.domout)->GetMaxH());
|
|
mesh.RestrictLocalH (p, maxh);
|
|
mesh.RestrictLocalH (np, maxh);
|
|
}
|
|
if (seg.tlosurf != -1)
|
|
{
|
|
double hi = geometry.GetTopLevelObject(seg.tlosurf) -> GetMaxH();
|
|
maxh = min2 (maxh, hi);
|
|
mesh.RestrictLocalH (p, maxh);
|
|
mesh.RestrictLocalH (np, maxh);
|
|
}
|
|
}
|
|
|
|
p = np;
|
|
lastpi = thispi;
|
|
}
|
|
|
|
#ifdef DEVELOP
|
|
(*testout) << " eplast = " << lastpi << " = " << p << endl;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
StoreShortEdge (const Array<Segment> & refedges,
|
|
const Array<bool> & refedgesinv,
|
|
const Array<Point<3> > & edgepoints,
|
|
const Array<double> & curvelength,
|
|
int layer,
|
|
Mesh & mesh)
|
|
{
|
|
|
|
// Calculate optimal element-length
|
|
PointIndex pi;
|
|
// int ne;
|
|
Segment seg;
|
|
|
|
/*
|
|
double len, corr, lam;
|
|
int thispi, lastpi;
|
|
Point<3> p, np;
|
|
|
|
|
|
const Surface * surf1 = geometry.GetSurface (refedges.Get(1).surfnr1);
|
|
const Surface * surf2 = geometry.GetSurface (refedges.Get(1).surfnr2);
|
|
|
|
len = curvelength.Last();
|
|
ne = int (len + 0.5);
|
|
if (ne == 0) ne = 1;
|
|
if (Dist2 (edgepoints[1], edgepoints.Last()) < 1e-8 &&
|
|
ne <= 6)
|
|
ne = 6;
|
|
corr = len / ne;
|
|
*/
|
|
|
|
// generate initial point
|
|
Point<3> p = edgepoints[0];
|
|
PointIndex pi1 = -1;
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
|
|
if (Dist (mesh[pi], p) < 1e-6*geometry.MaxSize())
|
|
{
|
|
pi1 = pi;
|
|
break;
|
|
}
|
|
|
|
if (pi1 == -1)
|
|
{
|
|
pi1 = mesh.AddPoint (p, layer, FIXEDPOINT);
|
|
meshpoint_tree -> Insert (p, pi1);
|
|
// (*testout) << "test3, store point " << pi1 << ", p = " << p << endl;
|
|
}
|
|
|
|
p = edgepoints.Last();
|
|
PointIndex pi2 = -1;
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
|
|
if (Dist (mesh[pi], p) < 1e-6*geometry.MaxSize())
|
|
{
|
|
pi2 = pi;
|
|
break;
|
|
}
|
|
if (pi2==-1)
|
|
{
|
|
pi2 = mesh.AddPoint (p, layer, FIXEDPOINT);
|
|
meshpoint_tree -> Insert (p, pi2);
|
|
// (*testout) << "test4, store point " << pi2 << ", p = " << p << endl;
|
|
}
|
|
|
|
/*
|
|
|
|
j = 1;
|
|
for (i = 1; i <= ne; i++)
|
|
{
|
|
while (curvelength[j] < i * corr && j < curvelength.Size()) j++;
|
|
|
|
lam = (i * corr - curvelength[j-1]) /
|
|
(curvelength[j] - curvelength[j-1]);
|
|
|
|
np(0) = (1-lam) * edgepoints[j-1](0) + lam * edgepoints[j](0);
|
|
np(1) = (1-lam) * edgepoints[j-1](1) + lam * edgepoints[j](1);
|
|
np(2) = (1-lam) * edgepoints[j-1](2) + lam * edgepoints[j](2);
|
|
|
|
|
|
thispi = 0;
|
|
if (i == ne)
|
|
for (j = 1; j <= mesh.GetNP(); j++)
|
|
if (Dist(mesh.Point(j), np) < 1e-6)
|
|
thispi = j;
|
|
|
|
if (!thispi)
|
|
{
|
|
ProjectToEdge (surf1, surf2, np);
|
|
thispi = mesh.AddPoint (np);
|
|
}
|
|
*/
|
|
|
|
// (*testout) << "short edge " << pi1 << " - " << pi2 << endl;
|
|
|
|
for (int k = 1; k <= refedges.Size(); k++)
|
|
{
|
|
if (refedgesinv.Get(k))
|
|
{
|
|
seg[0] = pi1;
|
|
seg[1] = pi2;
|
|
}
|
|
else
|
|
{
|
|
seg[0] = pi2;
|
|
seg[1] = pi1;
|
|
}
|
|
|
|
seg.si = refedges.Get(k).si;
|
|
seg.domin = refedges.Get(k).domin;
|
|
seg.domout = refedges.Get(k).domout;
|
|
seg.tlosurf = refedges.Get(k).tlosurf;
|
|
seg.edgenr = refedges.Get(k).edgenr;
|
|
seg.surfnr1 = refedges.Get(k).surfnr1;
|
|
seg.surfnr2 = refedges.Get(k).surfnr2;
|
|
seg.seginfo = 0;
|
|
if (k == 1) seg.seginfo = (refedgesinv.Get(k)) ? 2 : 1;
|
|
mesh.AddSegment (seg);
|
|
// (*testout) << "add seg " << seg[0] << "-" << seg[1] << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
CopyEdge (const Array<Segment> & refedges,
|
|
const Array<bool> & refedgesinv,
|
|
int copyfromedge,
|
|
const Point<3> & fromstart, const Point<3> & fromend,
|
|
const Point<3> & tostart, const Point<3> & toend,
|
|
int copyedgeidentification,
|
|
int layer,
|
|
Mesh & mesh)
|
|
{
|
|
int k;
|
|
PointIndex pi;
|
|
|
|
double size = geometry.MaxSize();
|
|
|
|
// copy start and end points
|
|
for (int i = 1; i <= 2; i++)
|
|
{
|
|
Point<3> fromp =
|
|
(i == 1) ? fromstart : fromend;
|
|
Point<3> top =
|
|
(i == 1) ? tostart : toend;
|
|
|
|
PointIndex frompi = -1;
|
|
PointIndex topi = -1;
|
|
for (pi = PointIndex::BASE;
|
|
pi < mesh.GetNP()+PointIndex::BASE; pi++)
|
|
{
|
|
if (Dist2 (mesh[pi], fromp) <= 1e-16*size)
|
|
frompi = pi;
|
|
if (Dist2 (mesh[pi], top) <= 1e-16*size)
|
|
topi = pi;
|
|
}
|
|
|
|
|
|
if (topi == -1)
|
|
{
|
|
topi = mesh.AddPoint (top, layer, FIXEDPOINT);
|
|
meshpoint_tree -> Insert (top, topi);
|
|
}
|
|
|
|
const Identification & csi =
|
|
(*geometry.identifications.Get(copyedgeidentification));
|
|
|
|
|
|
if (csi.Identifyable (mesh[frompi], mesh[topi]))
|
|
mesh.GetIdentifications().Add(frompi, topi, copyedgeidentification);
|
|
else if (csi.Identifyable (mesh[topi], mesh[frompi]))
|
|
mesh.GetIdentifications().Add(topi, frompi, copyedgeidentification);
|
|
else
|
|
{
|
|
cerr << "edgeflw.cpp: should identify, but cannot";
|
|
exit(1);
|
|
}
|
|
#ifdef DEVELOP
|
|
(*testout) << "adding identification " << mesh[frompi] << "; " << mesh[topi]
|
|
<< " (id " << copyedgeidentification <<")" << endl;
|
|
#endif
|
|
|
|
|
|
/*
|
|
(*testout) << "Add Identification from CopyEdge, p1 = "
|
|
<< mesh[PointIndex(frompi)] << ", p2 = "
|
|
<< mesh[PointIndex(topi)] << endl;
|
|
|
|
mesh.GetIdentifications().Add(frompi, topi, copyedgeidentification);
|
|
*/
|
|
}
|
|
|
|
int oldns = mesh.GetNSeg();
|
|
for (int i = 1; i <= oldns; i++)
|
|
{
|
|
// real copy, since array might be reallocated !!
|
|
const Segment oldseg = mesh.LineSegment(i);
|
|
if (oldseg.edgenr != copyfromedge)
|
|
continue;
|
|
if (oldseg.seginfo == 0)
|
|
continue;
|
|
|
|
int pi1 = oldseg[0];
|
|
int pi2 = oldseg[1];
|
|
|
|
int npi1 = geometry.identifications.Get(copyedgeidentification)
|
|
-> GetIdentifiedPoint (mesh, pi1);
|
|
int npi2 = geometry.identifications.Get(copyedgeidentification)
|
|
-> GetIdentifiedPoint (mesh, pi2);
|
|
|
|
//(*testout) << "copy edge, pts = " << npi1 << " - " << npi2 << endl;
|
|
|
|
Segment seg;
|
|
|
|
for (k = 1; k <= refedges.Size(); k++)
|
|
{
|
|
bool inv = refedgesinv.Get(k);
|
|
|
|
// other edge is inverse
|
|
if (oldseg.seginfo == 1)
|
|
inv = !inv;
|
|
|
|
// (*testout) << "inv, now = " << inv << endl;
|
|
|
|
if (inv)
|
|
{
|
|
seg[0] = npi1;
|
|
seg[1] = npi2;
|
|
}
|
|
else
|
|
{
|
|
seg[0] = npi2;
|
|
seg[1] = npi1;
|
|
}
|
|
seg.si = refedges.Get(k).si;
|
|
seg.domin = refedges.Get(k).domin;
|
|
seg.domout = refedges.Get(k).domout;
|
|
seg.tlosurf = refedges.Get(k).tlosurf;
|
|
seg.edgenr = refedges.Get(k).edgenr;
|
|
seg.surfnr1 = refedges.Get(k).surfnr1;
|
|
seg.surfnr2 = refedges.Get(k).surfnr2;
|
|
seg.seginfo = 0;
|
|
if (k == 1) seg.seginfo = refedgesinv.Get(k) ? 2 : 1;
|
|
mesh.AddSegment (seg);
|
|
// (*testout) << "copy seg " << seg[0] << "-" << seg[1] << endl;
|
|
#ifdef DEVELOP
|
|
|
|
(*testout) << "copy seg, face = " << seg.si << ": "
|
|
<< " inv = " << inv << ", refinv = " << refedgesinv.Get(k)
|
|
<< mesh.Point(seg[0]) << ", " << mesh.Point(seg[1]) << endl;
|
|
#endif
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void EdgeCalculation ::
|
|
FindClosedSurfaces (double h, Mesh & mesh)
|
|
{
|
|
// if there is no special point at a sphere, one has to add a segment pair
|
|
|
|
int i, j;
|
|
int nsol;
|
|
int nsurf = geometry.GetNSurf();
|
|
int layer(0);
|
|
|
|
BitArray pointatsurface (nsurf);
|
|
Point<3> p1, p2;
|
|
Vec<3> nv, tv;
|
|
Solid * tansol;
|
|
Array<int> tansurfind;
|
|
// const Solid * sol;
|
|
|
|
double size = geometry.MaxSize();
|
|
nsol = geometry.GetNTopLevelObjects();
|
|
|
|
|
|
pointatsurface.Clear();
|
|
|
|
/*
|
|
for (i = 1; i <= specpoints.Size(); i++)
|
|
{
|
|
int classrep;
|
|
|
|
classrep = geometry.GetSurfaceClassRepresentant (specpoints[i].s1);
|
|
pointatsurface.Set (classrep);
|
|
classrep = geometry.GetSurfaceClassRepresentant (specpoints[i].s2);
|
|
pointatsurface.Set (classrep);
|
|
// pointatsurface.Set (specpoints[i].s1);
|
|
// pointatsurface.Set (specpoints[i].s2);
|
|
}
|
|
*/
|
|
for (i = 1; i <= mesh.GetNSeg(); i++)
|
|
{
|
|
const Segment & seg = mesh.LineSegment(i);
|
|
int classrep;
|
|
|
|
#ifdef DEVELOP
|
|
(*testout) << seg.surfnr1 << ", " << seg.surfnr2 << ", si = " << seg.si << endl;
|
|
#endif
|
|
classrep = geometry.GetSurfaceClassRepresentant (seg.si);
|
|
|
|
pointatsurface.Set (classrep);
|
|
}
|
|
|
|
|
|
for (i = 0; i < nsurf; i++)
|
|
{
|
|
int classrep = geometry.GetSurfaceClassRepresentant (i);
|
|
|
|
if (!pointatsurface.Test(classrep))
|
|
{
|
|
const Surface * s = geometry.GetSurface(i);
|
|
p1 = s -> GetSurfacePoint();
|
|
nv = s -> GetNormalVector (p1);
|
|
|
|
double hloc =
|
|
min2 (s->LocH (p1, 3, 1, h), mesh.GetH(p1));
|
|
|
|
tv = nv.GetNormal ();
|
|
tv *= (hloc / tv.Length());
|
|
p2 = p1 + tv;
|
|
s->Project (p2);
|
|
|
|
|
|
Segment seg1;
|
|
seg1.si = i;
|
|
seg1.domin = -1;
|
|
seg1.domout = -1;
|
|
|
|
Segment seg2;
|
|
seg2.si = i;
|
|
seg2.domin = -1;
|
|
seg2.domout = -1;
|
|
|
|
seg1.surfnr1 = i;
|
|
seg2.surfnr1 = i;
|
|
seg1.surfnr2 = i;
|
|
seg2.surfnr2 = i;
|
|
|
|
for (j = 0; j < nsol; j++)
|
|
{
|
|
if (geometry.GetTopLevelObject(j)->GetSurface())
|
|
continue;
|
|
|
|
const Solid * sol = geometry.GetTopLevelObject(j)->GetSolid();
|
|
sol -> TangentialSolid (p1, tansol, tansurfind, ideps*size);
|
|
layer = geometry.GetTopLevelObject(j)->GetLayer();
|
|
|
|
|
|
if (tansol)
|
|
{
|
|
tansol -> GetSurfaceIndices (tansurfind);
|
|
|
|
if (tansurfind.Size() == 1 && tansurfind.Get(1) == i)
|
|
{
|
|
if (!tansol->VectorIn(p1, nv))
|
|
{
|
|
seg1.domin = j;
|
|
seg2.domin = j;
|
|
seg1.tlosurf = j;
|
|
seg2.tlosurf = j;
|
|
}
|
|
else
|
|
{
|
|
seg1.domout = j;
|
|
seg2.domout = j;
|
|
seg1.tlosurf = j;
|
|
seg2.tlosurf = j;
|
|
}
|
|
// seg.s2 = i;
|
|
// seg.invs1 = surfaces[i] -> Inverse();
|
|
// seg.invs2 = ! (surfaces[i] -> Inverse());
|
|
}
|
|
delete tansol;
|
|
}
|
|
}
|
|
|
|
|
|
if (seg1.domin != -1 || seg1.domout != -1)
|
|
{
|
|
mesh.AddPoint (p1, layer, EDGEPOINT);
|
|
mesh.AddPoint (p2, layer, EDGEPOINT);
|
|
seg1[0] = mesh.GetNP()-1;
|
|
seg1[1] = mesh.GetNP();
|
|
seg2[1] = mesh.GetNP()-1;
|
|
seg2[0] = mesh.GetNP();
|
|
seg1.geominfo[0].trignum = 1;
|
|
seg1.geominfo[1].trignum = 1;
|
|
seg2.geominfo[0].trignum = 1;
|
|
seg2.geominfo[1].trignum = 1;
|
|
mesh.AddSegment (seg1);
|
|
mesh.AddSegment (seg2);
|
|
|
|
PrintMessage (5, "Add line segment to smooth surface");
|
|
|
|
#ifdef DEVELOP
|
|
(*testout) << "Add segment at smooth surface " << i;
|
|
if (i != classrep) (*testout) << ", classrep = " << classrep;
|
|
(*testout) << ": "
|
|
<< mesh.Point (mesh.GetNP()-1) << " - "
|
|
<< mesh.Point (mesh.GetNP()) << endl;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|