#include #include "meshing.hpp" namespace netgen { Mesh :: Mesh () : surfarea(*this) { // volelements.SetName ("vol elements"); // surfelements.SetName ("surf elements"); // points.SetName ("meshpoints"); boundaryedges = NULL; surfelementht = NULL; segmentht = NULL; lochfunc = NULL; mglevels = 1; elementsearchtree = NULL; elementsearchtreets = NextTimeStamp(); majortimestamp = timestamp = NextTimeStamp(); hglob = 1e10; hmin = 0; numvertices = -1; dimension = 3; topology = new MeshTopology (*this); curvedelems = new CurvedElements (*this); clusters = new AnisotropicClusters (*this); ident = new Identifications (*this); hpelements = NULL; coarsemesh = NULL; ps_startelement = 0; geomtype = NO_GEOM; bcnames.SetSize(0); #ifdef PARALLEL paralleltop = new ParallelMeshTopology (*this); #endif } Mesh :: ~Mesh() { // cout << "******************** deleting Mesh **********" << endl; delete lochfunc; delete boundaryedges; delete surfelementht; delete segmentht; delete curvedelems; delete clusters; delete topology; delete ident; delete elementsearchtree; delete coarsemesh; delete hpelements; for (int i = 0; i < materials.Size(); i++) delete [] materials[i]; for(int i = 0; i < userdata_int.Size(); i++) delete userdata_int[i]; for(int i = 0; i < userdata_double.Size(); i++) delete userdata_double[i]; for (int i = 0; i < bcnames.Size(); i++ ) if ( bcnames[i] ) delete bcnames[i]; #ifdef PARALLEL delete paralleltop; #endif } Mesh & Mesh :: operator= (const Mesh & mesh2) { points = mesh2.points; // eltyps = mesh2.eltyps; segments = mesh2.segments; surfelements = mesh2.surfelements; volelements = mesh2.volelements; lockedpoints = mesh2.lockedpoints; facedecoding = mesh2.facedecoding; dimension = mesh2.dimension; bcnames.SetSize( mesh2.bcnames.Size() ); for ( int i = 0; i < mesh2.bcnames.Size(); i++ ) if ( mesh2.bcnames[i] ) bcnames[i] = new string ( *mesh2.bcnames[i] ); else bcnames[i] = 0; return *this; } void Mesh :: DeleteMesh() { NgLock lock(mutex); lock.Lock(); points.SetSize(0); segments.SetSize(0); surfelements.SetSize(0); volelements.SetSize(0); lockedpoints.SetSize(0); surfacesonnode.SetSize(0); delete boundaryedges; boundaryedges = NULL; openelements.SetSize(0); facedecoding.SetSize(0); delete ident; ident = new Identifications (*this); delete topology; topology = new MeshTopology (*this); delete curvedelems; curvedelems = new CurvedElements (*this); delete clusters; clusters = new AnisotropicClusters (*this); for ( int i = 0; i < bcnames.Size(); i++ ) if ( bcnames[i] ) delete bcnames[i]; #ifdef PARALLEL delete paralleltop; paralleltop = new ParallelMeshTopology (*this); #endif lock.UnLock(); timestamp = NextTimeStamp(); } void Mesh :: ClearSurfaceElements() { surfelements.SetSize(0); for (int i = 0; i < facedecoding.Size(); i++) facedecoding[i].firstelement = -1; timestamp = NextTimeStamp(); } PointIndex Mesh :: AddPoint (const Point3d & p, int layer) { return AddPoint (p, layer, INNERPOINT); /* NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); PointIndex pi = points.End(); points.Append ( MeshPoint (p, layer, INNERPOINT) ); lock.UnLock(); return pi; */ } PointIndex Mesh :: AddPoint (const Point3d & p, int layer, POINTTYPE type) { NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); PointIndex pi = points.End(); points.Append ( MeshPoint (p, layer, type) ); lock.UnLock(); return pi; } /* #ifdef PARALLEL PointIndex Mesh :: AddPoint (const Point3d & p, bool isghost, int layer) { NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); PointIndex pi = points.Size() + PointIndex::BASE; points.Append ( MeshPoint (p, layer, INNERPOINT) ); lock.UnLock(); return pi; } PointIndex Mesh :: AddPoint (const Point3d & p, bool isghost, int layer, POINTTYPE type) { NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); PointIndex pi = points.Size() + PointIndex::BASE; points.Append ( MeshPoint (p, layer, type) ); lock.UnLock(); return pi; } #endif */ SegmentIndex Mesh :: AddSegment (const Segment & s) { NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); int maxn = max2 (s[0], s[1]); maxn += 1-PointIndex::BASE; /* if (maxn > ptyps.Size()) { int maxo = ptyps.Size(); ptyps.SetSize (maxn); for (int i = maxo; i < maxn; i++) ptyps[i] = INNERPOINT; } if (ptyps[s[0]] > EDGEPOINT) ptyps[s[0]] = EDGEPOINT; if (ptyps[s[1]] > EDGEPOINT) ptyps[s[1]] = EDGEPOINT; */ if (maxn <= points.Size()) { if (points[s[0]].Type() > EDGEPOINT) points[s[0]].SetType (EDGEPOINT); if (points[s[1]].Type() > EDGEPOINT) points[s[1]].SetType (EDGEPOINT); } /* else { cerr << "edge points nrs > points.Size" << endl; } */ SegmentIndex si = segments.Size(); segments.Append (s); lock.UnLock(); return si; } SurfaceElementIndex Mesh :: AddSurfaceElement (const Element2d & el) { NgLock lock(mutex); lock.Lock(); timestamp = NextTimeStamp(); 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()) { for (int i = 0; i < el.GetNP(); i++) if (points[el[i]].Type() > SURFACEPOINT) points[el[i]].SetType(SURFACEPOINT); } /* else { cerr << "surf points nrs > points.Size" << endl; } */ SurfaceElementIndex si = surfelements.Size(); surfelements.Append (el); if (el.index > facedecoding.Size()) cerr << "has no facedecoding: fd.size = " << facedecoding.Size() << ", ind = " << el.index << endl; surfelements.Last().next = facedecoding[el.index-1].firstelement; facedecoding[el.index-1].firstelement = si; if (SurfaceArea().Valid()) SurfaceArea().Add (el); lock.UnLock(); return si; } ElementIndex Mesh :: AddVolumeElement (const Element & el) { NgLock lock(mutex); lock.Lock(); 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(); volelements.Append (el); volelements.Last().flags.illegal_valid = 0; // while (volelements.Size() > eltyps.Size()) // eltyps.Append (FREEELEMENT); timestamp = NextTimeStamp(); lock.UnLock(); return ve; } void Mesh :: Save (const string & filename) const { ofstream outfile(filename.c_str()); // ogzstream outfile( (filename+".gz") .c_str()); Save(outfile); } void Mesh :: Save (ostream & outfile) const { int i, j; double scale = 1; // globflags.GetNumFlag ("scale", 1); int inverttets = 0; // globflags.GetDefineFlag ("inverttets"); int invertsurf = 0; // globflags.GetDefineFlag ("invertsurfacemesh"); outfile << "mesh3d" << "\n"; outfile << "dimension\n" << GetDimension() << "\n"; outfile << "geomtype\n" << int(geomtype) << "\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"; SurfaceElementIndex sei; for (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"; } if (ident -> GetMaxNr() > 0) { outfile << "identifications\n"; Array 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) && strlen (materials.Get(i))) cntmat++; if (cntmat) { outfile << "materials" << endl; outfile << cntmat << endl; for (i = 1; i <= materials.Size(); i++) if (materials.Get(i) && strlen (materials.Get(i))) 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; } /* 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++; if (cnt_sing) { outfile << "singular_points" << endl << cnt_sing << endl; for (PointIndex pi = points.Begin(); pi < points.End(); pi++) 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().X() << " "; outfile.width(12); outfile << GetFaceDescriptor(i).SurfColour().Y() << " "; outfile.width(12); outfile << GetFaceDescriptor(i).SurfColour().Z(); outfile << endl; } } } void Mesh :: Load (const string & filename) { cout << "filename = " << filename << endl; istream * infile = NULL; if (filename.find(".vol.gz") != string::npos) infile = new igzstream (filename.c_str()); else infile = new ifstream (filename.c_str()); // ifstream infile(filename.c_str()); if (! (infile -> good()) ) throw NgException ("mesh file not found"); Load(*infile); delete infile; } void Mesh :: Load (istream & infile) { if (! (infile.good()) ) { cout << "cannot load mesh" << endl; throw NgException ("mesh file not found"); } 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, "surfaceelements") == 0 || strcmp (str, "surfaceelementsgi")==0 || strcmp (str, "surfaceelementsuv") == 0) { 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) { infile >> n; PrintMessage (3, n, " volume elements"); for (i = 1; i <= n; i++) { Element el; int hi, nep; infile >> hi; if (hi == 0) hi = 1; el.SetIndex(hi); infile >> nep; el.SetNP(nep); for (int j = 0; j < nep; j++) infile >> (int&)(el[j]); if (inverttets) el.Invert(); AddVolumeElement (el); } } 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]; 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; AddSegment (seg); } } if (strcmp (str, "edgesegmentsgi2") == 0) { 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) { 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, "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 (i = 1; i <= n; i++) { int nr; string mat; infile >> nr >> mat; SetMaterial (nr, mat.c_str()); } } if ( strcmp (str, "bcnames" ) == 0 ) { infile >> n; Array bcnrs(n); SetNBCNames(n); for ( i = 1; i <= n; i++ ) { string nextbcname; infile >> bcnrs[i-1] >> nextbcname; bcnames[bcnrs[i-1]-1] = new string(nextbcname); } if ( GetDimension() == 2 ) { for (i = 1; i <= GetNSeg(); i++) { Segment & seg = LineSegment (i); if ( seg.si <= n ) seg.SetBCName (bcnames[seg.si-1]); else seg.SetBCName(0); } } else { 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, "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; Vec3d surfcolour(0.0,1.0,0.0); infile >> surfnr >> surfcolour.X() >> surfcolour.Y() >> surfcolour.Z(); surfnr--; if(surfnr > 0) { for(int facedesc = 1; facedesc <= cnt_facedesc; facedesc++) { if(surfnr == GetFaceDescriptor(facedesc).SurfNr()) { GetFaceDescriptor(facedesc).SetSurfColour(surfcolour); } } } } } } 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 :: Merge (const string & filename, const int surfindex_offset) { ifstream infile(filename.c_str()); 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; seg.edgenr = seg.edgenr + oldne; 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; 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(void) { delete boundaryedges; boundaryedges = new INDEX_2_CLOSED_HASHTABLE (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 elemenet 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 () { surfacesonnode.SetSize (GetNP()); delete boundaryedges; boundaryedges = NULL; delete surfelementht; delete segmentht; /* surfelementht = new INDEX_3_HASHTABLE (GetNSE()/4 + 1); segmentht = new INDEX_2_HASHTABLE (GetNSeg() + 1); */ surfelementht = new INDEX_3_CLOSED_HASHTABLE (3*GetNSE() + 1); segmentht = new INDEX_2_CLOSED_HASHTABLE (3*GetNSeg() + 1); for (SurfaceElementIndex sei = 0; sei < GetNSE(); sei++) { const Element2d & sel = surfelements[sei]; if (sel.IsDeleted()) continue; int si = sel.GetIndex(); for (int j = 0; j < sel.GetNP(); j++) { PointIndex pi = sel[j]; 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(); */ 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()); } // int np = GetNP(); if (dimension == 3) { for (PointIndex pi = points.Begin(); pi < points.End(); pi++) points[pi].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 (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 (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); } } void Mesh :: FixPoints (const BitArray & 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); } } void Mesh :: FindOpenElements (int dom) { static int timer = NgProfiler::CreateTimer ("Mesh::FindOpenElements"); NgProfiler::RegionTimer reg (timer); int np = GetNP(); int ne = GetNE(); int nse = GetNSE(); Array 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 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); } } Array hasface(GetNFD()); int i; for (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 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); } } int ii; PointIndex pi; SurfaceElementIndex sei; Element2d hel; INDEX_3_CLOSED_HASHTABLE faceht(100); openelements.SetSize(0); for (PointIndex pi = points.Begin(); pi < points.End(); pi++) if (selsonpoint[pi].Size()+elsonpoint[pi].Size()) { faceht.SetSize (2 * selsonpoint[pi].Size() + 4 * elsonpoint[pi].Size()); FlatArray row = selsonpoint[pi]; for (ii = 0; ii < row.Size(); ii++) { hel = SurfaceElement(row[ii]); 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]); INDEX_2 i2 (GetFaceDescriptor(ind).DomainIn(), (hel.GetNP() == 3) ? PointIndex (PointIndex::BASE-1) : 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]); INDEX_2 i2 (GetFaceDescriptor(ind).DomainOut(), (hel.GetNP() == 3) ? PointIndex (PointIndex::BASE-1) : hel.PNum(4)); faceht.Set (i3, i2); } } } FlatArray rowel = elsonpoint[pi]; for (ii = 0; ii < rowel.Size(); ii++) { const Element & el = VolumeElement(rowel[ii]); if (dom == 0 || el.GetIndex() == dom) { for (int j = 1; j <= el.GetNFaces(); j++) { 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)) { INDEX_2 i2 = faceht.Get(i3); if (i2.I1() == el.GetIndex()) { i2.I1() = PointIndex::BASE-1; faceht.Set (i3, i2); } else { if (i2.I1() == 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]); INDEX_2 i2(el.GetIndex(), (hel.GetNP() == 3) ? PointIndex (PointIndex::BASE-1) : hel[3]); faceht.Set (i3, i2); } } } } } for (int i = 0; i < faceht.Size(); i++) if (faceht.UsedPos (i)) { INDEX_3 i3; INDEX_2 i2; faceht.GetData (i, i3, i2); if (i2.I1() != PointIndex::BASE-1) { Element2d tri; tri.SetType ( (i2.I2() == PointIndex::BASE-1) ? TRIG : QUAD); for (int l = 0; l < 3; l++) tri[l] = i3.I(l+1); tri.PNum(4) = i2.I2(); tri.SetIndex (i2.I1()); // tri.Invert(); openelements.Append (tri); } } } int cnt3 = 0; for (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()) 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 // hash data : surfnr, surfel-nr (pos) or segment nr(neg) INDEX_2_HASHTABLE 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_2 key(seg[0], seg[1]); INDEX_2 data(seg.si, -i); if (faceht.Used (key)) { cerr << "ERROR: Segment " << seg << " already used" << endl; (*testout) << "ERROR: Segment " << seg << " already used" << endl; } faceht.Set (key, data); } } 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_2 seg (el.PNumMod(j), el.PNumMod(j+1)); INDEX_2 data; if (seg.I1() <= 0 || seg.I2() <= 0) cerr << "seg = " << seg << endl; if (faceht.Used(seg)) { 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()); // cout << "me: index = " << el.GetIndex() << ", el = " << el << endl; /* bout << "has index = " << seg << endl; bout << "hash value = " << faceht.HashValue (seg) << endl; if (data.I2() > 0) { int io = data.I2(); cout << "other trig: index = " << SurfaceElement(io).GetIndex() << ", el = " << SurfaceElement(io) << endl; } else { cout << "other seg " << -data.I2() << ", si = " << data.I1() << endl; } bout << "me: index = " << el.GetIndex() << ", el = " << el << endl; if (data.I2() > 0) { int io = data.I2(); bout << "other trig: index = " << SurfaceElement(io).GetIndex() << ", el = " << SurfaceElement(io) << endl; } else { bout << "other seg " << -data.I2() << ", si = " << data.I1() << endl; } */ } } else { Swap (seg.I1(), seg.I2()); data.I1() = el.GetIndex(); data.I2() = i; faceht.Set (seg, data); } } } } /* 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_2 i2; INDEX_2 data; faceht.GetData (i, j, i2, data); if (data.I1()) // surfnr { Segment seg; seg[0] = i2.I1(); seg[1] = i2.I2(); seg.si = data.I1(); // find geomdata: if (data.I2() > 0) { // segment due to triangle const Element2d & el = SurfaceElement (data.I2()); 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.I2()); 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 (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 i, j; int np = GetNP(); FindOpenSegments(); BitArray frontpoints(np); frontpoints.Clear(); for (i = 1; i <= GetNOpenSegments(); i++) { const Segment & seg = GetOpenSegment(i); frontpoints.Set (seg[0]); frontpoints.Set (seg[1]); } for (i = 1; i <= GetNSE(); i++) { Element2d & sel = surfelements.Elem(i); int remove = 0; for (j = 1; j <= sel.GetNP(); j++) if (frontpoints.Test(sel.PNum(j))) remove = 1; if (remove) sel.PNum(1) = 0; } for (i = surfelements.Size(); i >= 1; i--) { if (surfelements.Elem(i).PNum(1) == 0) { surfelements.Elem(i) = 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) { int i, j, k; PointIndex pi; const int large = 9999; Array 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) { 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); delete lochfunc; lochfunc = new LocalH (pmin2, pmax2, grading, dimension); } void Mesh :: RestrictLocalH (const Point3d & p, double hloc) { if(hloc < hmin) hloc = hmin; //cout << "restrict h in " << p << " to " << hloc << endl; if (!lochfunc) { PrintWarning("RestrictLocalH called, creating mesh-size tree"); Point3d boxmin, boxmax; GetBox (boxmin, boxmax); SetLocalH (boxmin, boxmax, 0.8); } lochfunc -> SetH (p, hloc); } void Mesh :: RestrictLocalHLine (const Point3d & p1, const Point3d & p2, double hloc) { 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); } } 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 Array & 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) const { double hmin = hglob; if (lochfunc) { double hl = lochfunc->GetH (p); if (hl < hglob) hmin = hl; } return hmin; } double Mesh :: GetMinH (const Point3d & pmin, const Point3d & pmax) { double hmin = hglob; if (lochfunc) { double hl = lochfunc->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) { if (!lochfunc) { Point3d pmin, pmax; GetBox (pmin, pmax); // SetLocalH (pmin, pmax, mparam.grading); SetLocalH (pmin, pmax, grading); } 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->SetH (Center (p1, p2, p3), hel); } } else { { const Point3d & p1 = points[el.PNum(1)]; const Point3d & p2 = points[el.PNum(2)]; lochfunc->SetH (Center (p1, p2), 2 * Dist (p1, p2)); } { const Point3d & p1 = points[el.PNum(3)]; const Point3d & p2 = points[el.PNum(4)]; lochfunc->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->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) { PrintMessage (3, "Calculating local h from point distances"); if (!lochfunc) { Point3d pmin, pmax; GetBox (pmin, pmax); // SetLocalH (pmin, pmax, mparam.grading); SetLocalH (pmin, pmax, grading); } PointIndex i,j; double hl; for (i = PointIndex::BASE; i < GetNP()+PointIndex::BASE; i++) { for(j=i+1; j edges(3 * GetNP() + 2); INDEX_2_HASHTABLE 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 (i2.I1()), Point (i2.I2()), Point (pi3), Point (pi4)); RestrictLocalHLine (Point(i2.I1()), Point(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(); Array normals(np); BitArray 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 string & meshsizefilename) { // Philippose - 10/03/2009 // Improve error checking when loading and reading // the local mesh size file if (meshsizefilename.empty()) return; ifstream msf(meshsizefilename.c_str()); // 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 :: 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++) { 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++) 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.Get(eli); return CalcTetBadness (points.Get(el[0]), points.Get(el[1]), points.Get(el[2]), points.Get(el[3]), -1, mp); } void Mesh :: AddLockedPoint (PointIndex pi) { lockedpoints.Append (pi); } void Mesh :: ClearLockedPoints () { lockedpoints.SetSize (0); } void Mesh :: Compress () { Array op2np(GetNP()); Array hpoints; BitArrayChar 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.Delete(i); i--; } for (int i = 0; i < surfelements.Size(); i++) if (surfelements[i].IsDeleted()) { surfelements.Delete(i); i--; } for (int i = 0; i < segments.Size(); i++) if (segments[i][0] <= PointIndex::BASE-1) { segments.Delete(i); i--; } pused.Clear(); for (int i = 0; i < volelements.Size(); i++) { const Element & el = volelements[i]; for (int j = 0; j < el.GetNP(); j++) pused.Set (el[j]); } for (int i = 0; i < surfelements.Size(); i++) { const Element2d & el = surfelements[i]; for (int j = 0; j < el.GetNP(); j++) pused.Set (el[j]); } for (int i = 0; i < segments.Size(); i++) { const Segment & seg = segments[i]; pused.Set (seg[0]); pused.Set (seg[1]); } for (int i = 0; i < openelements.Size(); i++) { const Element2d & el = openelements[i]; for (int j = 0; j < el.GetNP(); j++) pused.Set(el[j]); } for (int i = 0; i < lockedpoints.Size(); i++) pused.Set (lockedpoints[i]); /* // compress points doesnt work for identified points ! if (identifiedpoints) { for (i = 1; i <= identifiedpoints->GetNBags(); i++) if (identifiedpoints->GetBagSize(i)) { pused.Set (); break; } } */ // pused.Set(); int npi = PointIndex::BASE-1; for (PointIndex pi = points.Begin(); pi < points.End(); pi++) if (pused.Test(pi)) { npi++; op2np[pi] = npi; hpoints.Append (points[pi]); } else op2np[pi] = -1; 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]]; } 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]]; } for (int i = 0; i < segments.Size(); i++) { Segment & seg = segments[i]; seg[0] = op2np[seg[0]]; seg[1] = op2np[seg[1]]; } 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; } CalcSurfacesOfNode(); // FindOpenElements(); timestamp = NextTimeStamp(); } int Mesh :: CheckConsistentBoundary () const { int nf = GetNOpenElements(); INDEX_2_HASHTABLE 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 () { int i, j, k; Point3d pmin, pmax; GetBox (pmin, pmax); Box3dTree setree(pmin, pmax); Array inters; bool overlap = 0; bool incons_layers = 0; for (i = 1; i <= GetNSE(); i++) SurfaceElement(i).badel = 0; for (i = 1; i <= GetNSE(); i++) { const Element2d & tri = SurfaceElement(i); Point3d tpmin (Point(tri[0])); Point3d tpmax (tpmin); for (k = 1; k < tri.GetNP(); k++) { tpmin.SetToMin (Point (tri[k])); tpmax.SetToMax (Point (tri[k])); } Vec3d diag(tpmin, tpmax); tpmax = tpmax + 0.1 * diag; tpmin = tpmin - 0.1 * diag; setree.Insert (tpmin, tpmax, i); } for (i = 1; i <= GetNSE(); i++) { const Element2d & tri = SurfaceElement(i); Point3d tpmin (Point(tri[0])); Point3d tpmax (tpmin); for (k = 1; k < tri.GetNP(); k++) { tpmin.SetToMin (Point (tri[k])); tpmax.SetToMax (Point (tri[k])); } setree.GetIntersecting (tpmin, tpmax, inters); for (j = 1; j <= inters.Size(); j++) { const Element2d & tri2 = SurfaceElement(inters.Get(j)); if ( (*this)[tri[0]].GetLayer() != (*this)[tri2[0]].GetLayer()) continue; 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 (k = 1; k <= 3; k++) { trip1[k-1] = &Point (tri.PNum(k)); trip2[k-1] = &Point (tri2.PNum(k)); } if (IntersectTriangleTriangle (&trip1[0], &trip2[0])) { overlap = 1; PrintWarning ("Intersecting elements " ,i, " and ", inters.Get(j)); (*testout) << "Intersecting: " << endl; (*testout) << "openelement " << i << " with open element " << inters.Get(j) << endl; cout << "el1 = " << tri << endl; cout << "el2 = " << tri2 << endl; cout << "layer1 = " << (*this)[tri[0]].GetLayer() << endl; cout << "layer2 = " << (*this)[tri2[0]].GetLayer() << endl; for (k = 1; k <= 3; k++) (*testout) << tri.PNum(k) << " "; (*testout) << endl; for (k = 1; k <= 3; k++) (*testout) << tri2.PNum(k) << " "; (*testout) << endl; for (k = 0; k <= 2; k++) (*testout) << *trip1[k] << " "; (*testout) << endl; for (k = 0; k <= 2; k++) (*testout) << *trip2[k] << " "; (*testout) << endl; (*testout) << "Face1 = " << GetFaceDescriptor(tri.GetIndex()) << endl; (*testout) << "Face1 = " << GetFaceDescriptor(tri2.GetIndex()) << endl; /* INDEX_3 i3(tri.PNum(1), tri.PNum(2), tri.PNum(3)); i3.Sort(); for (k = 1; k <= GetNSE(); k++) { const Element2d & el2 = SurfaceElement(k); INDEX_3 i3b(el2.PNum(1), el2.PNum(2), el2.PNum(3)); i3b.Sort(); if (i3 == i3b) { SurfaceElement(k).badel = 1; } } */ SurfaceElement(i).badel = 1; SurfaceElement(inters.Get(j)).badel = 1; } } } // 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; } bool Mesh :: LegalTrig (const Element2d & el) const { 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; } /// 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(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 -> Position(INDEX_2::Sort(el[i], el[j])); if (pos) { be = true; if (boundaryedges -> GetData(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 withoud 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 :: SurfaceMeshOrientation () { int i, j; int nse = GetNSE(); BitArray used(nse); used.Clear(); INDEX_2_HASHTABLE 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.Elem(i); 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(); } } void Mesh :: BuildElementSearchTree () { if (elementsearchtreets == GetTimeStamp()) return; #pragma omp critical (buildsearchtree) { if (elementsearchtreets != GetTimeStamp()) { NgLock lock(mutex); lock.Lock(); PrintMessage (4, "Rebuild element searchtree"); delete elementsearchtree; elementsearchtree = NULL; int ne = (dimension == 2) ? GetNSE() : GetNE(); if (ne) { if (dimension == 2) { Box<3> box (Box<3>::EMPTY_BOX); for (SurfaceElementIndex sei = 0; sei < ne; sei++) box.Add (points[surfelements[sei].PNums()]); box.Increase (1.01 * box.Diam()); elementsearchtree = new Box3dTree (box); for (SurfaceElementIndex sei = 0; sei < ne; sei++) { box.Set (points[surfelements[sei].PNums()]); 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()]); box.Increase (1.01 * box.Diam()); elementsearchtree = new Box3dTree (box); for (ElementIndex ei = 0; ei < ne; ei++) { box.Set (points[volelements[ei].PNums()]); elementsearchtree -> Insert (box, ei+1); } } elementsearchtreets = GetTimeStamp(); } } } } 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; Array 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)); // 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; double dxb = d.X()*b.Y()-d.Y()*b.X(); double dxc = d.X()*c.Y()-d.Y()*c.X(); 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; lami[2]=0.; double eps = 1.E-12; if(fabs(d.X()) <= eps && fabs(d.Y())<= eps) { //Solve Linear System 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) { lami[1] = (dxp-dxa)/dxc; if(fabs(b.X()-d.X()*lami[1])>=eps) 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]); } else if(fabs(dxc) <= eps) { lami[0] = (dxp-dxa)/dxb; if(fabs(c.X()-d.X()*lami[0])>=eps) 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]); } else //Solve quadratic equation { if(fabs(d.X()) >= eps) { c2 = d.X()*dxc; c1 = d.X()*dxc - c.X()*dxb - d.X()*(dxp-dxa); c0 = -b.X()*(dxp -dxa) - (a.X()-p.X())*dxb; } else { c2 = d.Y()*dxc; c1 = d.Y()*dxc - c.Y()*dxb - d.Y()*(dxp-dxa); c0 = -b.Y()*(dxp -dxa) - (a.Y()-p.Y())*dxb; } double rt = c1*c1 - 4*c2*c0; if (rt < 0.) return false; lami[1] = (-c1 + sqrt(rt))/2/c2; if(lami[1]<=1. && lami[1]>=0.) { lami[0] = (dxp - dxa -dxc*lami[1])/dxb; if(lami[0]<=1. && lami[0]>=0.) return true; } lami[1] = (-c1 - sqrt(rt))/2/c2; lami[0] = (dxp - dxa -dxc*lami[1])/dxb; } 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 (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 && iCalcElementTransformation(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) { 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) { 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) { 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; Array 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) { Array loctetsloc; Array > 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) { Array 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 Array * const indices, bool build_searchtree, const bool allowindex) const { if (dimension == 2) { int ne; if(ps_startelement != 0 && ps_startelement <= GetNSE() && PointContainedIn2DElement(p,lami,ps_startelement)) return ps_startelement; Array locels; if (elementsearchtree || build_searchtree) { // update if necessary: const_cast(*this).BuildElementSearchTree (); elementsearchtree->GetIntersecting (p, p, locels); ne = locels.Size(); } else ne = GetNSE(); for (int i = 1; i <= ne; i++) { int ii; if (elementsearchtree) ii = locels.Get(i); else ii = i; if(ii == ps_startelement) continue; if(indices != NULL && indices->Size() > 0) { bool contained = indices->Contains(SurfaceElement(ii).GetIndex()); if((allowindex && !contained) || (!allowindex && contained)) continue; } if(PointContainedIn2DElement(p,lami,ii)) return ii; } return 0; } else { int ps_startelement = 0; // disable global buffering // int i, j; int ne; if(ps_startelement != 0 && PointContainedIn3DElement(p,lami,ps_startelement)) return ps_startelement; Array locels; if (elementsearchtree || build_searchtree) { // update if necessary: const_cast(*this).BuildElementSearchTree (); elementsearchtree->GetIntersecting (p, p, locels); ne = locels.Size(); } else ne = GetNE(); for (int i = 1; i <= ne; i++) { int ii; if (elementsearchtree) ii = locels.Get(i); else ii = i; if(ii == ps_startelement) continue; if(indices != NULL && indices->Size() > 0) { bool contained = indices->Contains(VolumeElement(ii).GetIndex()); if((allowindex && !contained) || (!allowindex && contained)) continue; } if(PointContainedIn3DElement(p,lami,ii)) { ps_startelement = ii; return ii; } } // Not found, try uncurved variant: for (int i = 1; i <= ne; i++) { int ii; if (elementsearchtree) ii = locels.Get(i); else ii = i; if(indices != NULL && indices->Size() > 0) { bool contained = indices->Contains(VolumeElement(ii).GetIndex()); if((allowindex && !contained) || (!allowindex && contained)) continue; } if(PointContainedIn3DElementOld(p,lami,ii)) { ps_startelement = ii; (*testout) << "WARNING: found element of point " << p <<" only for uncurved mesh" << endl; return ii; } } return 0; } } int Mesh :: GetSurfaceElementOfPoint (const netgen::Point<3> & p, double lami[3], bool build_searchtree, const int index, const bool allowindex) const { if(index != -1) { Array 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 Array * const indices, bool build_searchtree, const bool allowindex) const { if (dimension == 2) { throw NgException("GetSurfaceElementOfPoint not yet implemented for 2D meshes"); } else { double vlam[3]; int velement = GetElementOfPoint(p,vlam,NULL,build_searchtree,allowindex); //(*testout) << "p " << p << endl; //(*testout) << "velement " << velement << endl; Array faces; topology->GetElementFaces(velement,faces); //(*testout) << "faces " << faces << endl; for(int i=0; iGetFace2SurfaceElement(faces[i]); //(*testout) << "surfel " << faces << endl; for(int i=0; iSize() != 0) { if(indices->Contains(SurfaceElement(faces[i]).GetIndex()) && PointContainedIn2DElement(p,lami,faces[i],true)) return faces[i]; } else { if(PointContainedIn2DElement(p,lami,faces[i],true)) { //(*testout) << "found point " << p << " in sel " << faces[i] // << ", lam " << lami[0] << ", " << lami[1] << ", " << lami[2] << endl; return faces[i]; } } } } return 0; } void Mesh::GetIntersectingVolEls(const Point3d& p1, const Point3d& p2, Array & locels) const { elementsearchtree->GetIntersecting (p1, p2, locels); } void Mesh :: SplitIntoParts() { int i, j, dom; int ne = GetNE(); int np = GetNP(); int nse = GetNSE(); BitArray surfused(nse); BitArray 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(); BitArray usedp(np); Array els_of_face; fdi = 1; while (fdi <= GetNFD()) { GetSurfaceElementsOfFace (fdi, els_of_face); if (els_of_face.Size() == 0) 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]; } } 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 :: 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; } } void Mesh :: GetSurfaceElementsOfFace (int facenr, Array & sei) const { static int timer = NgProfiler::CreateTimer ("GetSurfaceElementsOfFace"); NgProfiler::RegionTimer reg (timer); /* sei.SetSize (0); for (SurfaceElementIndex i = 0; i < GetNSE(); i++) { if ( (*this)[i].GetIndex () == facenr && (*this)[i][0] >= PointIndex::BASE && !(*this)[i].IsDeleted() ) { sei.Append (i); } } */ /* Philippose - 01/10/2009 Commented out the following lines, and activated the originally commented out lines above because of a bug which causes corruption of the variable "facedecoding" when a mesh is converted to second order */ // int size1 = sei.Size(); 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; } /* // *testout << "with list = " << endl << sei << endl; if (size1 != sei.Size()) { cout << "size mismatch" << endl; exit(1); } */ } 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; 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 () { int cnt = 0; int i; for (i = 1; i <= GetNE(); i++) { LegalTet (VolumeElement(i)); /* Element & el = VolumeElement(i); int leg1 = LegalTet (el); el.flags.illegal_valid = 0; int leg2 = LegalTet (el); if (leg1 != leg2) { cerr << "legal differs!!" << endl; (*testout) << "legal differs" << endl; (*testout) << "elnr = " << i << ", el = " << el << " leg1 = " << leg1 << ", leg2 = " << leg2 << endl; } // el.flags.illegal = !LegalTet (el); */ cnt += VolumeElement(i).Illegal(); } 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, Array & 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, Array & 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 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 () { int i, j, nv; int ne = GetNE(); int nse = GetNSE(); numvertices = 0; for (i = 1; i <= ne; i++) { const Element & el = VolumeElement(i); nv = el.GetNV(); for (j = 0; j < nv; j++) if (el[j] > numvertices) numvertices = el[j]; } for (i = 1; i <= nse; i++) { const Element2d & el = SurfaceElement(i); nv = el.GetNV(); for (j = 1; j <= nv; j++) if (el.PNum(j) > numvertices) numvertices = el.PNum(j); } 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); } /* void Mesh :: BuildConnectedNodes () { if (PureTetMesh()) { connectedtonode.SetSize(0); return; } int i, j, k; int np = GetNP(); int ne = GetNE(); TABLE 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 & 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() { topology->Update(); clusters->Update(); } 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 :: SetMaterial (int domnr, const char * mat) { if (domnr > materials.Size()) { int olds = materials.Size(); materials.SetSize (domnr); for (int i = olds; i < domnr; i++) materials[i] = 0; } materials.Elem(domnr) = new char[strlen(mat)+1]; strcpy (materials.Elem(domnr), mat); } const char * Mesh :: GetMaterial (int domnr) const { if (domnr <= materials.Size()) return materials.Get(domnr); return 0; } 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] = nullptr; } if ( bcnames[bcnr] ) delete bcnames[bcnr]; if ( abcname != "default" ) bcnames[bcnr] = new string ( abcname ); else bcnames[bcnr] = nullptr; for (auto & fd : facedecoding) if (fd.BCProperty() < bcnames.Size()) fd.SetBCName (bcnames[fd.BCProperty()]); } const string & Mesh ::GetBCName ( int bcnr ) const { static string defaultstring = "default"; if ( !bcnames.Size() ) return defaultstring; if (bcnr < 0 || bcnr >= bcnames.Size()) throw NgException ("illegal bc-number"); if ( bcnames[bcnr] ) return *bcnames[bcnr]; else return defaultstring; } void Mesh :: SetUserData(const char * id, Array & data) { if(userdata_int.Used(id)) delete userdata_int.Get(id); Array * newdata = new Array(data); userdata_int.Set(id,newdata); } bool Mesh :: GetUserData(const char * id, Array & data, int shift) const { if(userdata_int.Used(id)) { if(data.Size() < (*userdata_int.Get(id)).Size()+shift) data.SetSize((*userdata_int.Get(id)).Size()+shift); for(int i=0; i<(*userdata_int.Get(id)).Size(); i++) data[i+shift] = (*userdata_int.Get(id))[i]; return true; } else { data.SetSize(0); return false; } } void Mesh :: SetUserData(const char * id, Array & data) { if(userdata_double.Used(id)) delete userdata_double.Get(id); Array * newdata = new Array(data); userdata_double.Set(id,newdata); } bool Mesh :: GetUserData(const char * id, Array & data, int shift) const { if(userdata_double.Used(id)) { if(data.Size() < (*userdata_double.Get(id)).Size()+shift) data.SetSize((*userdata_double.Get(id)).Size()+shift); for(int i=0; i<(*userdata_double.Get(id)).Size(); i++) data[i+shift] = (*userdata_double.Get(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); } }