diff -Naur netgen-5.3.1_orig/libsrc/meshing/meshtype.cpp netgen-5.3.1_new/libsrc/meshing/meshtype.cpp --- netgen-5.3.1_orig/libsrc/meshing/meshtype.cpp 2009-09-13 14:28:38.000000000 +0400 +++ netgen-5.3.1_new/libsrc/meshing/meshtype.cpp 2014-07-22 13:01:28.000000000 +0400 @@ -1,4 +1,5 @@ #include +#include // to get DBL_MIN defined #include "meshing.hpp" @@ -650,7 +651,8 @@ double det = trans.Det(); - if (det <= 0) + // if (det <= 0) + if (det <= DBL_MIN) // avoid FPE err += 1e12; else err += frob * frob / det; @@ -706,7 +708,8 @@ double det = trans(0,0)*trans(1,1)-trans(1,0)*trans(0,1); - if (det <= 0) + // if (det <= 0) + if (det <= DBL_MIN) // avoid FPE { dd = 0; return 1e12; @@ -790,7 +793,8 @@ = dtrans(0,0) * trans(1,1) - trans(0,1) * dtrans(1,0) + trans(0,0) * dtrans(1,1) - dtrans(0,1) * trans(1,0); - if (det <= 0) + // if (det <= 0) + if (det <= DBL_MIN) // avoid FPE err += 1e12; else { @@ -840,7 +844,8 @@ frob /= 2; double det = trans.Det(); - if (det <= 0) + //if (det <= 0) + if (det <= DBL_MIN) // avoid FPE err += 1e12; else err += frob * frob / det; @@ -1857,7 +1862,8 @@ case PYRAMID: { double noz = 1-p(2); - if (noz == 0.0) noz = 1e-10; + //if (noz == 0.0) noz = 1e-10; + if (noz <= DBL_MIN) noz = 1e-10; // avoid FPE double xi = p(0) / noz; double eta = p(1) / noz; @@ -2035,7 +2041,8 @@ double det = -trans.Det(); - if (det <= 0) + //if (det <= 0) + if (det <= DBL_MIN) // avoid FPE err += 1e12; else err += frob * frob * frob / det; @@ -2107,7 +2114,8 @@ ddet *= -1; - if (det <= 0) + //if (det <= 0) + if (det <= DBL_MIN) // avoid FPE err += 1e12; else { @@ -2189,7 +2197,7 @@ det *= -1; - if (det <= 0) + if (det <= DBL_MIN) err += 1e12; else { diff -Naur netgen-5.3.1_orig/libsrc/meshing/meshtype.hpp netgen-5.3.1_new/libsrc/meshing/meshtype.hpp --- netgen-5.3.1_orig/libsrc/meshing/meshtype.hpp 2009-11-09 13:50:43.000000000 +0300 +++ netgen-5.3.1_new/libsrc/meshing/meshtype.hpp 2014-07-22 13:01:28.000000000 +0400 @@ -12,6 +12,7 @@ Classes for NETGEN */ +class Mesh; // added due to compilation errors on some platforms enum ELEMENT_TYPE { SEGMENT = 1, SEGMENT3 = 2, diff -Naur netgen-5.3.1_orig/libsrc/meshing/smoothing2.cpp netgen-5.3.1_new/libsrc/meshing/smoothing2.cpp diff -Naur netgen-5.3.1_orig/libsrc/occ/occconstruction.cpp netgen-5.3.1_new/libsrc/occ/occconstruction.cpp --- netgen-5.3.1_orig/libsrc/occ/occconstruction.cpp 2009-08-24 06:32:47.000000000 +0400 +++ netgen-5.3.1_new/libsrc/occ/occconstruction.cpp 2014-07-22 13:01:28.000000000 +0400 @@ -28,7 +28,7 @@ #include #include #include -#include +//#include //#include #include #include diff -Naur netgen-5.3.1_orig/libsrc/occ/occgenmesh.cpp netgen-5.3.1_new/libsrc/occ/occgenmesh.cpp --- netgen-5.3.1_orig/libsrc/occ/occgenmesh.cpp 2010-03-16 09:30:07.000000000 +0300 +++ netgen-5.3.1_new/libsrc/occ/occgenmesh.cpp 2014-07-22 13:01:28.000000000 +0400 @@ -168,8 +173,8 @@ if(h < 1e-4*maxside) return; - - if (h > 30) return; + // commented to restrict H on a large sphere for example + //if (h > 30) return; } if (h < maxside && depth < 10) @@ -247,8 +253,8 @@ hvalue[0] = 0; pnt = c->Value(s0); - double olddist = 0; - double dist = 0; + //double olddist = 0; -- useless variables + //double dist = 0; int tmpVal = (int)(DIVIDEEDGESECTIONS); @@ -256,15 +262,19 @@ { oldpnt = pnt; pnt = c->Value(s0+(i/double(DIVIDEEDGESECTIONS))*(s1-s0)); + // -- no more than 1 segment per /DIVIDEEDGESECTIONS hvalue[i] = hvalue[i-1] + - 1.0/mesh.GetH(Point3d(pnt.X(), pnt.Y(), pnt.Z()))* - pnt.Distance(oldpnt); + // 1.0/mesh.GetH(Point3d(pnt.X(), pnt.Y(), pnt.Z()))* + // pnt.Distance(oldpnt); + min( 1.0, + 1.0/mesh.GetH(Point3d(pnt.X(), pnt.Y(), pnt.Z()))* + pnt.Distance(oldpnt)); //(*testout) << "mesh.GetH(Point3d(pnt.X(), pnt.Y(), pnt.Z())) " << mesh.GetH(Point3d(pnt.X(), pnt.Y(), pnt.Z())) // << " pnt.Distance(oldpnt) " << pnt.Distance(oldpnt) << endl; - olddist = dist; - dist = pnt.Distance(oldpnt); + //olddist = dist; -- useless variables + //dist = pnt.Distance(oldpnt); } // nsubedges = int(ceil(hvalue[DIVIDEEDGESECTIONS])); @@ -279,7 +289,10 @@ { if (hvalue[i1]/hvalue[DIVIDEEDGESECTIONS]*nsubedges >= i) { - params[i] = s0+(i1/double(DIVIDEEDGESECTIONS))*(s1-s0); + // -- for nsubedges comparable to DIVIDEEDGESECTIONS + //params[i] = s0+(i1/double(DIVIDEEDGESECTIONS))*(s1-s0); + double d1 = i1 - (hvalue[i1] - i*hvalue[DIVIDEEDGESECTIONS]/nsubedges)/(hvalue[i1]-hvalue[i1-1]); + params[i] = s0+(d1/double(DIVIDEEDGESECTIONS))*(s1-s0); pnt = c->Value(params[i]); ps[i-1] = MeshPoint (Point3d(pnt.X(), pnt.Y(), pnt.Z())); i++; @@ -323,6 +336,9 @@ (*testout) << "nedges = " << nedges << endl; double eps = 1e-6 * geom.GetBoundingBox().Diam(); + const double eps2 = eps * eps; // -- small optimization + + int first_vp = mesh.GetNP()+1; // -- to support SALOME sub-meshes for (int i = 1; i <= nvertices; i++) { @@ -332,7 +348,8 @@ bool exists = 0; if (merge_solids) for (PointIndex pi = 1; pi <= mesh.GetNP(); pi++) - if ( Dist2 (mesh[pi], Point<3>(mp)) < eps*eps) + //if ( Dist2 (mesh[pi], Point<3>(mp)) < eps*eps) + if ( Dist2 (mesh[pi], Point<3>(mp)) < eps2 ) // -- small optimization { exists = 1; break; @@ -362,6 +379,7 @@ { TopoDS_Face face = TopoDS::Face(exp1.Current()); int facenr = geom.fmap.FindIndex(face); + if ( facenr < 1 ) continue; // -- to support SALOME sub-meshes if (face2solid[0][facenr-1] == 0) face2solid[0][facenr-1] = solidnr; @@ -381,6 +399,7 @@ int facenr = 0; int edgenr = 0; + edgenr = mesh.GetNSeg(); // to support SALOME sub-meshes (*testout) << "faces = " << geom.fmap.Extent() << endl; int curr = 0; @@ -442,6 +461,7 @@ //(*testout) << "ignoring degenerated edge" << endl; continue; } + if ( geom.emap.FindIndex(edge) < 1 ) continue; // to support SALOME sub-meshes if (geom.vmap.FindIndex(TopExp::FirstVertex (edge)) == geom.vmap.FindIndex(TopExp::LastVertex (edge))) @@ -474,20 +494,104 @@ if (!merge_solids) { - pnums[0] = geom.vmap.FindIndex (TopExp::FirstVertex (edge)); - pnums[pnums.Size()-1] = geom.vmap.FindIndex (TopExp::LastVertex (edge)); + //pnums[0] = geom.vmap.FindIndex (TopExp::FirstVertex (edge)); + //pnums[pnums.Size()-1] = geom.vmap.FindIndex (TopExp::LastVertex (edge)); + MeshPoint dfltP ( Point<3> ( 0, 0, 0 ) ); + int *ipp[] = { &pnums[0], &pnums[pnums.Size()-1] }; + TopoDS_Iterator vIt( edge, false ); + TopoDS_Vertex v[2]; + v[0] = TopoDS::Vertex( vIt.Value() ); vIt.Next(); + v[1] = TopoDS::Vertex( vIt.Value() ); + if ( v[0].Orientation() == TopAbs_REVERSED ) + std::swap( v[0], v[1] ); + for ( int i = 0; i < 2; ++i) + { + int &ip = *ipp[i]; + ip = geom.vmap.FindIndex ( v[i] ); + if ( ip == 0 || ip > nvertices ) + { + int iv = ip; + if ( ip == 0 ) + ip = iv = geom.vmap.Add( v[i] ); + gp_Pnt pnt = BRep_Tool::Pnt( v[i] ); + MeshPoint mp( Point<3>(pnt.X(), pnt.Y(), pnt.Z()) ); + for (PointIndex pi = 1; pi < first_vp; pi++) + if ( Dist2 (mesh.Point(pi), Point<3>(mp)) < 1e-100 ) + { + ip = pi; + if ( mesh.Point(ip).GetLayer() != dfltP.GetLayer() && mesh.Point(ip).GetLayer() != iv ) + continue; + if ( mesh.Point(ip).GetLayer() == dfltP.GetLayer()) + mesh.Point(ip) = MeshPoint( mesh.Point(ip), iv ); + break; + } + } + else + { + ip += first_vp - 1; + } + } } else { - Point<3> fp = occ2ng (BRep_Tool::Pnt (TopExp::FirstVertex (edge))); - Point<3> lp = occ2ng (BRep_Tool::Pnt (TopExp::LastVertex (edge))); + TopoDS_Iterator vIt( edge, false ); + TopoDS_Vertex v1 = TopoDS::Vertex( vIt.Value() ); vIt.Next(); + TopoDS_Vertex v2 = TopoDS::Vertex( vIt.Value() ); + if ( v1.Orientation() == TopAbs_REVERSED ) + std::swap( v1, v2 ); + const bool isClosedEdge = v1.IsSame( v2 ); + + Point<3> fp = occ2ng (BRep_Tool::Pnt (v1)); + Point<3> lp = occ2ng (BRep_Tool::Pnt (v2)); + double tol2 = std::min( eps*eps, 1e-6 * Dist2( fp, lp )); + if ( isClosedEdge ) + tol2 = BRep_Tool::Tolerance( v1 ) * BRep_Tool::Tolerance( v1 ); pnums[0] = -1; pnums.Last() = -1; for (PointIndex pi = 1; pi < first_ep; pi++) { - if (Dist2 (mesh[pi], fp) < eps*eps) pnums[0] = pi; - if (Dist2 (mesh[pi], lp) < eps*eps) pnums.Last() = pi; + if (Dist2 (mesh[pi], fp) < tol2) pnums[0] = pi; + if (Dist2 (mesh[pi], lp) < tol2) pnums.Last() = pi; + } + if (( isClosedEdge && pnums[0] != pnums.Last() ) || + ( !isClosedEdge && pnums[0] == pnums.Last() )) + pnums[0] = pnums.Last() = -1; + if ( pnums[0] == -1 || pnums.Last() == -1 ) + { + // take into account a possible large gap between a vertex and an edge curve + // end and a large vertex tolerance covering the whole edge + if ( pnums[0] == -1 ) + { + double tol = BRep_Tool::Tolerance( v1 ); + for (PointIndex pi = 1; pi < first_ep; pi++) + if (pi != pnums.Last() && Dist2 (mesh[pi], fp) < 2*tol*tol) + pnums[0] = pi; + + if ( pnums[0] == -1 ) + pnums[0] = first_ep-1- nvertices + geom.vmap.FindIndex ( v1 ); + } + if ( isClosedEdge ) + { + pnums.Last() = pnums[0]; + } + else + { + if ( pnums.Last() == -1 ) + { + double tol = BRep_Tool::Tolerance( v2 ); + for (PointIndex pi = 1; pi < first_ep; pi++) + if (pi != pnums[0] && Dist2 (mesh[pi], lp) < 2*tol*tol) + pnums.Last() = pi; + + if ( pnums.Last() == -1 ) + pnums.Last() = first_ep-1-nvertices + geom.vmap.FindIndex ( v2 ); + } + + if ( Dist2( fp, mesh[PointIndex(pnums[0])]) > + Dist2( lp, mesh[PointIndex(pnums.Last())])) + std::swap( pnums[0], pnums.Last() ); + } } } @@ -497,17 +601,20 @@ bool exists = 0; int j; for (j = first_ep; j <= mesh.GetNP(); j++) + { + if (!merge_solids && mesh.Point(j).GetLayer() != geomedgenr ) continue; // to support SALOME fuse edges if ((mesh.Point(j)-Point<3>(mp[i-1])).Length() < eps) { exists = 1; break; } + } if (exists) pnums[i] = j; else { - mesh.AddPoint (mp[i-1]); + mesh.AddPoint (mp[i-1], geomedgenr); // to support SALOME fuse edges (*testout) << "add meshpoint " << mp[i-1] << endl; pnums[i] = mesh.GetNP(); } @@ -591,6 +698,8 @@ // (*testout) << "edge " << mesh.LineSegment(i).edgenr << " face " << mesh.LineSegment(i).si // << " p1 " << mesh.LineSegment(i)[0] << " p2 " << mesh.LineSegment(i)[1] << endl; // exit(10); + for (int j = 1; j <= mesh.GetNP(); j++) // to support SALOME fuse edges: set level to zero + mesh.Point(j) = MeshPoint( (Point<3>&) mesh.Point(j) ); mesh.CalcSurfacesOfNode(); multithread.task = savetask; diff -Naur netgen-5.3.1_orig/libsrc/occ/occgeom.cpp netgen-5.3.1_new/libsrc/occ/occgeom.cpp --- netgen-5.3.1_orig/libsrc/occ/occgeom.cpp 2010-03-05 16:16:21.000000000 +0300 +++ netgen-5.3.1_new/libsrc/occ/occgeom.cpp 2014-07-22 13:01:28.000000000 +0400 @@ -8,6 +8,8 @@ #include "ShapeAnalysis_CheckSmallFace.hxx" #include "ShapeAnalysis_DataMapOfShapeListOfReal.hxx" #include "ShapeAnalysis_Surface.hxx" +#include // -- to optimize Project() and FastProject() +#include #include "BRepAlgoAPI_Fuse.hxx" #include "BRepCheck_Analyzer.hxx" #include "BRepLib.hxx" @@ -16,10 +18,17 @@ #include "ShapeFix_FixSmallFace.hxx" #include "Partition_Spliter.hxx" - namespace netgen { - void OCCGeometry :: PrintNrShapes () + // free data used to optimize Project() and FastProject() + OCCGeometry::~OCCGeometry() + { + NCollection_DataMap::Iterator it(fclsmap); + for (; it.More(); it.Next()) + delete it.Value(); + } + + void OCCGeometry :: PrintNrShapes () { TopExp_Explorer e; int count = 0; @@ -951,25 +960,58 @@ } + // returns a projector and a classifier for the given surface + void OCCGeometry::GetFaceTools(int surfi, Handle(ShapeAnalysis_Surface)& proj, + BRepTopAdaptor_FClass2d*& cls) const + { + //MSV: organize caching projector in the map + if (fprjmap.IsBound(surfi)) + { + proj = fprjmap.Find(surfi); + cls = fclsmap.Find(surfi); + } + else + { + const TopoDS_Face& aFace = TopoDS::Face(fmap(surfi)); + Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace); + proj = new ShapeAnalysis_Surface(aSurf); + fprjmap.Bind(surfi, proj); + cls = new BRepTopAdaptor_FClass2d(aFace,Precision::Confusion()); + fclsmap.Bind(surfi, cls); + } + } - - void OCCGeometry :: Project (int surfi, Point<3> & p) const + // void OCCGeometry :: Project (int surfi, Point<3> & p) const + bool OCCGeometry :: Project (int surfi, Point<3> & p, double& u, double& v) const { static int cnt = 0; if (++cnt % 1000 == 0) cout << "Project cnt = " << cnt << endl; gp_Pnt pnt(p(0), p(1), p(2)); - double u,v; - Handle( Geom_Surface ) thesurf = BRep_Tool::Surface(TopoDS::Face(fmap(surfi))); - Handle( ShapeAnalysis_Surface ) su = new ShapeAnalysis_Surface( thesurf ); - gp_Pnt2d suval = su->ValueOfUV ( pnt, BRep_Tool::Tolerance( TopoDS::Face(fmap(surfi)) ) ); - suval.Coord( u, v); - pnt = thesurf->Value( u, v ); - - + // -- Optimization: use cached projector and classifier + // double u,v; + // Handle( Geom_Surface ) thesurf = BRep_Tool::Surface(TopoDS::Face(fmap(surfi))); + // Handle( ShapeAnalysis_Surface ) su = new ShapeAnalysis_Surface( thesurf ); + // gp_Pnt2d suval = su->ValueOfUV ( pnt, BRep_Tool::Tolerance( TopoDS::Face(fmap(surfi)) ) ); + // suval.Coord( u, v); + // pnt = thesurf->Value( u, v ); + + Handle(ShapeAnalysis_Surface) proj; + BRepTopAdaptor_FClass2d *cls; + GetFaceTools(surfi, proj, cls); + + gp_Pnt2d p2d = proj->ValueOfUV(pnt, Precision::Confusion()); + if (cls->Perform(p2d) == TopAbs_OUT) + { + return false; + } + pnt = proj->Value(p2d); + p2d.Coord(u, v); + p = Point<3> (pnt.X(), pnt.Y(), pnt.Z()); + return true; } @@ -979,54 +1021,69 @@ { gp_Pnt p(ap(0), ap(1), ap(2)); - Handle(Geom_Surface) surface = BRep_Tool::Surface(TopoDS::Face(fmap(surfi))); - - gp_Pnt x = surface->Value (u,v); - - if (p.SquareDistance(x) <= sqr(PROJECTION_TOLERANCE)) return true; - - gp_Vec du, dv; - - surface->D1(u,v,x,du,dv); - - int count = 0; - - gp_Pnt xold; - gp_Vec n; - double det, lambda, mu; - - do { - count++; - - n = du^dv; - - det = Det3 (n.X(), du.X(), dv.X(), - n.Y(), du.Y(), dv.Y(), - n.Z(), du.Z(), dv.Z()); - - if (det < 1e-15) return false; - - lambda = Det3 (n.X(), p.X()-x.X(), dv.X(), - n.Y(), p.Y()-x.Y(), dv.Y(), - n.Z(), p.Z()-x.Z(), dv.Z())/det; - - mu = Det3 (n.X(), du.X(), p.X()-x.X(), - n.Y(), du.Y(), p.Y()-x.Y(), - n.Z(), du.Z(), p.Z()-x.Z())/det; - - u += lambda; - v += mu; - - xold = x; - surface->D1(u,v,x,du,dv); - - } while (xold.SquareDistance(x) > sqr(PROJECTION_TOLERANCE) && count < 50); - - // (*testout) << "FastProject count: " << count << endl; - - if (count == 50) return false; - - ap = Point<3> (x.X(), x.Y(), x.Z()); + // -- Optimization: use cached projector and classifier + // Handle(Geom_Surface) surface = BRep_Tool::Surface(TopoDS::Face(fmap(surfi))); + // + // gp_Pnt x = surface->Value (u,v); + // + // if (p.SquareDistance(x) <= sqr(PROJECTION_TOLERANCE)) return true; + // + // gp_Vec du, dv; + // + // surface->D1(u,v,x,du,dv); + // + // int count = 0; + // + // gp_Pnt xold; + // gp_Vec n; + // double det, lambda, mu; + // + // do { + // count++; + // + // n = du^dv; + // + // det = Det3 (n.X(), du.X(), dv.X(), + // n.Y(), du.Y(), dv.Y(), + // n.Z(), du.Z(), dv.Z()); + // + // if (det < 1e-15) return false; + // + // lambda = Det3 (n.X(), p.X()-x.X(), dv.X(), + // n.Y(), p.Y()-x.Y(), dv.Y(), + // n.Z(), p.Z()-x.Z(), dv.Z())/det; + // + // mu = Det3 (n.X(), du.X(), p.X()-x.X(), + // n.Y(), du.Y(), p.Y()-x.Y(), + // n.Z(), du.Z(), p.Z()-x.Z())/det; + // + // u += lambda; + // v += mu; + // + // xold = x; + // surface->D1(u,v,x,du,dv); + // + // } while (xold.SquareDistance(x) > sqr(PROJECTION_TOLERANCE) && count < 50); + // + // // (*testout) << "FastProject count: " << count << endl; + // + // if (count == 50) return false; + // + // ap = Point<3> (x.X(), x.Y(), x.Z()); + Handle(ShapeAnalysis_Surface) proj; + BRepTopAdaptor_FClass2d *cls; + GetFaceTools(surfi, proj, cls); + + gp_Pnt2d p2d = proj->NextValueOfUV(gp_Pnt2d(u,v), p, Precision::Confusion()); + if (cls->Perform(p2d) == TopAbs_OUT) + { + //cout << "Projection fails" << endl; + return false; + } + + p = proj->Value(p2d); + p2d.Coord(u, v); + ap = Point<3> (p.X(), p.Y(), p.Z()); return true; } diff -Naur netgen-5.3.1_orig/libsrc/occ/occgeom.hpp netgen-5.3.1_new/libsrc/occ/occgeom.hpp --- netgen-5.3.1_orig/libsrc/occ/occgeom.hpp 2010-01-14 19:56:19.000000000 +0300 +++ netgen-5.3.1_new/libsrc/occ/occgeom.hpp 2014-07-22 13:09:03.000000000 +0400 @@ -15,8 +15,8 @@ #include "Geom_Curve.hxx" #include "Geom2d_Curve.hxx" #include "Geom_Surface.hxx" -#include "GeomAPI_ProjectPointOnSurf.hxx" -#include "GeomAPI_ProjectPointOnCurve.hxx" +// #include "GeomAPI_ProjectPointOnSurf.hxx" +// #include "GeomAPI_ProjectPointOnCurve.hxx" #include "BRepTools.hxx" #include "TopExp.hxx" #include "BRepBuilderAPI_MakeVertex.hxx" @@ -42,8 +42,8 @@ #include "Geom_Curve.hxx" #include "Geom2d_Curve.hxx" #include "Geom_Surface.hxx" -#include "GeomAPI_ProjectPointOnSurf.hxx" -#include "GeomAPI_ProjectPointOnCurve.hxx" +// #include "GeomAPI_ProjectPointOnSurf.hxx" +// #include "GeomAPI_ProjectPointOnCurve.hxx" #include "TopoDS_Wire.hxx" #include "BRepTools_WireExplorer.hxx" #include "BRepTools.hxx" @@ -68,18 +68,26 @@ #include "IGESToBRep_Reader.hxx" #include "Interface_Static.hxx" #include "GeomAPI_ExtremaCurveCurve.hxx" -#include "Standard_ErrorHandler.hxx" +//#include "Standard_ErrorHandler.hxx" #include "Standard_Failure.hxx" #include "ShapeUpgrade_ShellSewing.hxx" #include "ShapeFix_Shape.hxx" #include "ShapeFix_Wireframe.hxx" +#include +#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) <= 0x060702 +// porting to OCCT6.7.3 #include "BRepMesh.hxx" +#endif #include "BRepMesh_IncrementalMesh.hxx" #include "BRepBndLib.hxx" #include "Bnd_Box.hxx" #include "ShapeAnalysis.hxx" #include "ShapeBuild_ReShape.hxx" +// -- Optimization: to use cached projector and classifier +#include +class Handle_ShapeAnalysis_Surface; +class BRepTopAdaptor_FClass2d; // Philippose - 29/01/2009 // OpenCascade XDE Support @@ -190,6 +198,9 @@ class OCCGeometry : public NetgenGeometry { Point<3> center; + // -- Optimization: to use cached projector and classifier + mutable NCollection_DataMap fprjmap; + mutable NCollection_DataMap fclsmap; public: TopoDS_Shape shape; @@ -241,6 +252,8 @@ vmap.Clear(); } + ~OCCGeometry(); // -- to free cached projector and classifier + void BuildFMap(); Box<3> GetBoundingBox() @@ -260,9 +273,14 @@ Point<3> Center() { return center;} - void Project (int surfi, Point<3> & p) const; + // void Project (int surfi, Point<3> & p) const; -- optimization + bool Project (int surfi, Point<3> & p, double& u, double& v) const; bool FastProject (int surfi, Point<3> & ap, double& u, double& v) const; + // -- Optimization: to use cached projector and classifier + void GetFaceTools(int surfi, Handle(ShapeAnalysis_Surface)& proj, + BRepTopAdaptor_FClass2d*& cls) const; + OCCSurface GetSurface (int surfi) { cout << "OCCGeometry::GetSurface using PLANESPACE" << endl; diff -Naur netgen-5.3.1_orig/libsrc/occ/occmeshsurf.cpp netgen-5.3.1_new/libsrc/occ/occmeshsurf.cpp --- netgen-5.3.1_orig/libsrc/occ/occmeshsurf.cpp 2009-08-24 06:32:47.000000000 +0400 +++ netgen-5.3.1_new/libsrc/occ/occmeshsurf.cpp 2014-07-22 13:01:28.000000000 +0400 @@ -6,6 +6,7 @@ #include #include #include +#include // -- moved here from occgeom.hpp namespace netgen @@ -434,23 +435,33 @@ void MeshOptimize2dOCCSurfaces :: ProjectPoint (INDEX surfind, Point<3> & p) const { - geometry.Project (surfind, p); + // geometry.Project (surfind, p); -- signature of Project() changed for optimization + double u, v; + geometry.Project (surfind, p, u, v); } int MeshOptimize2dOCCSurfaces :: ProjectPointGI (INDEX surfind, Point<3> & p, PointGeomInfo & gi) const { - double u = gi.u; - double v = gi.v; + //double u = gi.u; + //double v = gi.v; Point<3> hp = p; - if (geometry.FastProject (surfind, hp, u, v)) - { - p = hp; - return 1; - } - ProjectPoint (surfind, p); - return CalcPointGeomInfo (surfind, gi, p); + // -- u and v are computed by FastProject() and Project(), no need to call CalcPointGeomInfo() + // if (geometry.FastProject (surfind, hp, u, v)) + // { + // p = hp; + // return 1; + // } + // ProjectPoint (surfind, p); + // return CalcPointGeomInfo (surfind, gi, p); + bool ok; + if (gi.trignum > 0) + ok = geometry.FastProject (surfind, hp, gi.u, gi.v); + else + ok = geometry.Project (surfind, hp, gi.u, gi.v); + p = hp; + return ok; } @@ -680,7 +691,8 @@ if (!geometry.FastProject (surfi, hnewp, u, v)) { // cout << "Fast projection to surface fails! Using OCC projection" << endl; - geometry.Project (surfi, hnewp); + // geometry.Project (surfi, hnewp); -- Project() changed for optimization + geometry.Project (surfi, hnewp, u, v); } newgi.trignum = 1; @@ -689,7 +701,7 @@ } newp = hnewp; - } + }//; -- to compile with -Wall -pedantic void OCCRefinementSurfaces :: @@ -708,14 +720,18 @@ hnewp = Point<3> (pnt.X(), pnt.Y(), pnt.Z()); newp = hnewp; newgi = ap1; - }; + } void OCCRefinementSurfaces :: ProjectToSurface (Point<3> & p, int surfi) { if (surfi > 0) - geometry.Project (surfi, p); - }; + // geometry.Project (surfi, p); -- Project() changed for optimization + { + double u, v; + geometry.Project (surfi, p, u, v); + } + }//; -- to compile with -Wall -pedantic void OCCRefinementSurfaces :: ProjectToSurface (Point<3> & p, int surfi, PointGeomInfo & gi) { @@ -723,9 +739,10 @@ if (!geometry.FastProject (surfi, p, gi.u, gi.v)) { cout << "Fast projection to surface fails! Using OCC projection" << endl; - geometry.Project (surfi, p); + double u, v; + geometry.Project (surfi, p, u, v); } - }; + } diff -Naur netgen-5.3.1_orig/libsrc/occ/Partition_Loop2d.cxx netgen-5.3.1_new/libsrc/occ/Partition_Loop2d.cxx --- netgen-5.3.1_orig/libsrc/occ/Partition_Loop2d.cxx 2009-08-24 06:12:24.000000000 +0400 +++ netgen-5.3.1_new/libsrc/occ/Partition_Loop2d.cxx 2014-07-22 13:01:28.000000000 +0400 @@ -209,7 +217,7 @@ Cc->D1(uc, PC, CTg1); if (!isForward) CTg1.Reverse(); - Standard_Real anglemin = 3 * PI, tolAng = 1.e-8; + Standard_Real anglemin = 3 * M_PI, tolAng = 1.e-8; // select an edge whose first derivative is most left of CTg1 // ie an angle between Tg1 and CTg1 is least @@ -233,7 +241,7 @@ // -PI < angle < PI Standard_Real angle = Tg1.Angle(CTg1); - if (PI - Abs(angle) <= tolAng) + if (M_PI - Abs(angle) <= tolAng) { // an angle is too close to PI; assure that an angle sign really // reflects an edge position: +PI - an edge is worst, diff -Naur netgen-5.3.1_orig/libsrc/occ/utilities.h netgen-5.3.1_new/libsrc/occ/utilities.h --- netgen-5.3.1_orig/libsrc/occ/utilities.h 2009-08-24 06:12:24.000000000 +0400 +++ netgen-5.3.1_new/libsrc/occ/utilities.h 2014-07-22 13:01:28.000000000 +0400 @@ -33,6 +33,7 @@ #include #include +#include #include // #include "SALOME_Log.hxx" diff -Naur netgen-5.3.1_orig/nglib/nglib.h netgen-5.3.1_new/nglib/nglib.h --- netgen-5.3.1_orig/nglib/nglib.h 2010-05-18 15:20:25.000000000 +0400 +++ netgen-5.3.1_new/nglib/nglib.h 2014-07-22 13:01:28.000000000 +0400 @@ -24,7 +24,7 @@ // Philippose - 14.02.2009 // Modifications for creating a DLL in Windows #ifdef WIN32 - #ifdef NGLIB_EXPORTS || nglib_EXPORTS + #if defined NGLIB_EXPORTS || defined nglib_EXPORTS #define DLL_HEADER __declspec(dllexport) #else #define DLL_HEADER __declspec(dllimport)