-diff -Naur netgen-4.5.old/libsrc/csg/meshsurf.cpp netgen-4.5.new/libsrc/csg/meshsurf.cpp
---- netgen-4.5.old/libsrc/csg/meshsurf.cpp 2006-02-14 11:54:35.000000000 +0300
-+++ netgen-4.5.new/libsrc/csg/meshsurf.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/algprim.cpp netgen-4.5_new/libsrc/csg/algprim.cpp
+--- netgen-4.5_orig/libsrc/csg/algprim.cpp 2006-01-25 16:30:28.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/algprim.cpp 2010-06-23 12:35:22.000000000 +0400
+@@ -108,7 +108,7 @@
+ void Plane :: GetPrimitiveData (char *& classname,
+ ARRAY<double> & coeffs) const
+ {
+- classname = "plane";
++ classname = (char*)"plane";
+ coeffs.SetSize (6);
+ coeffs.Elem(1) = p(0);
+ coeffs.Elem(2) = p(1);
+@@ -355,7 +355,7 @@
+
+ void Sphere :: GetPrimitiveData (char *& classname, ARRAY<double> & coeffs) const
+ {
+- classname = "sphere";
++ classname = (char*)"sphere";
+ coeffs.SetSize (4);
+ coeffs.Elem(1) = c(0);
+ coeffs.Elem(2) = c(1);
+@@ -760,7 +760,7 @@
+
+ void Cylinder :: GetPrimitiveData (char *& classname, ARRAY<double> & coeffs) const
+ {
+- classname = "cylinder";
++ classname = (char*)"cylinder";
+ coeffs.SetSize (7);
+ coeffs.Elem(1) = a(0);
+ coeffs.Elem(2) = a(1);
+@@ -1243,7 +1243,7 @@
+
+ void Cone :: GetPrimitiveData (char *& classname, ARRAY<double> & coeffs) const
+ {
+- classname = "cone";
++ classname = (char*)"cone";
+ coeffs.SetSize (8);
+ coeffs.Elem(1) = a(0);
+ coeffs.Elem(2) = a(1);
+@@ -1446,7 +1446,7 @@
+
+ void Torus :: GetPrimitiveData (char *& classname, ARRAY<double> & coeffs) const
+ {
+- classname = "torus";
++ classname = (char*)"torus";
+ coeffs.SetSize (8);
+ coeffs.Elem(1) = c(0);
+ coeffs.Elem(2) = c(1);
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/brick.cpp netgen-4.5_new/libsrc/csg/brick.cpp
+--- netgen-4.5_orig/libsrc/csg/brick.cpp 2006-02-08 15:23:15.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/brick.cpp 2010-06-23 12:35:35.000000000 +0400
+@@ -345,7 +345,7 @@
+ void Brick ::
+ GetPrimitiveData (char *& classname, ARRAY<double> & coeffs) const
+ {
+- classname = "brick";
++ classname = (char*)"brick";
+ coeffs.SetSize(12);
+ coeffs.Elem(1) = p1(0);
+ coeffs.Elem(2) = p1(1);
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/meshsurf.cpp netgen-4.5_new/libsrc/csg/meshsurf.cpp
+--- netgen-4.5_orig/libsrc/csg/meshsurf.cpp 2006-02-14 11:54:35.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/meshsurf.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -77,11 +77,12 @@
}
}
void MeshOptimize2dSurfaces :: ProjectPoint2 (INDEX surfind, INDEX surfind2,
-diff -Naur netgen-4.5.old/libsrc/csg/meshsurf.hpp netgen-4.5.new/libsrc/csg/meshsurf.hpp
---- netgen-4.5.old/libsrc/csg/meshsurf.hpp 2004-01-20 14:49:44.000000000 +0300
-+++ netgen-4.5.new/libsrc/csg/meshsurf.hpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/meshsurf.hpp netgen-4.5_new/libsrc/csg/meshsurf.hpp
+--- netgen-4.5_orig/libsrc/csg/meshsurf.hpp 2004-01-20 14:49:44.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/meshsurf.hpp 2010-06-23 13:19:48.000000000 +0400
@@ -45,7 +45,7 @@
MeshOptimize2dSurfaces (const CSGeometry & ageometry);
///
virtual void ProjectPoint2 (INDEX surfind, INDEX surfind2, Point3d & p) const;
///
-diff -Naur netgen-4.5.old/libsrc/general/profiler.cpp netgen-4.5.new/libsrc/general/profiler.cpp
---- netgen-4.5.old/libsrc/general/profiler.cpp 2006-01-11 13:05:59.000000000 +0300
-+++ netgen-4.5.new/libsrc/general/profiler.cpp 2009-06-11 17:58:07.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/polyhedra.cpp netgen-4.5_new/libsrc/csg/polyhedra.cpp
+--- netgen-4.5_orig/libsrc/csg/polyhedra.cpp 2006-02-09 13:33:11.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/polyhedra.cpp 2010-06-23 12:36:00.000000000 +0400
+@@ -287,7 +287,7 @@
+ void Polyhedra :: GetPrimitiveData (char *& classname,
+ ARRAY<double> & coeffs) const
+ {
+- classname = "Polyhedra";
++ classname = (char*)"Polyhedra";
+ coeffs.SetSize(0);
+ coeffs.Append (points.Size());
+ coeffs.Append (faces.Size());
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/csg/surface.cpp netgen-4.5_new/libsrc/csg/surface.cpp
+--- netgen-4.5_orig/libsrc/csg/surface.cpp 2006-02-08 15:23:16.000000000 +0300
++++ netgen-4.5_new/libsrc/csg/surface.cpp 2010-06-23 12:35:47.000000000 +0400
+@@ -215,7 +215,7 @@
+ void Primitive :: GetPrimitiveData (char *& classname,
+ ARRAY<double> & coeffs) const
+ {
+- classname = "undef";
++ classname = (char*)"undef";
+ coeffs.SetSize (0);
+ }
+
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/general/profiler.cpp netgen-4.5_new/libsrc/general/profiler.cpp
+--- netgen-4.5_orig/libsrc/general/profiler.cpp 2006-01-11 13:05:59.000000000 +0300
++++ netgen-4.5_new/libsrc/general/profiler.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -34,8 +34,14 @@
{
StopTimer (total_timer);
}
-diff -Naur netgen-4.5.old/libsrc/interface/Makefile netgen-4.5.new/libsrc/interface/Makefile
---- netgen-4.5.old/libsrc/interface/Makefile 2005-08-09 18:14:59.000000000 +0400
-+++ netgen-4.5.new/libsrc/interface/Makefile 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/geom2d/genmesh2d.cpp netgen-4.5_new/libsrc/geom2d/genmesh2d.cpp
+--- netgen-4.5_orig/libsrc/geom2d/genmesh2d.cpp 2006-02-16 19:17:47.000000000 +0300
++++ netgen-4.5_new/libsrc/geom2d/genmesh2d.cpp 2010-06-23 12:36:59.000000000 +0400
+@@ -121,11 +121,11 @@
+
+ int hsteps = mp.optsteps2d;
+
+- mp.optimize2d = "smcm";
++ mp.optimize2d = (char*)"smcm";
+ mp.optsteps2d = hsteps/2;
+ Optimize2d (*mesh, mp);
+
+- mp.optimize2d = "Smcm";
++ mp.optimize2d = (char*)"Smcm";
+ mp.optsteps2d = (hsteps+1)/2;
+ Optimize2d (*mesh, mp);
+
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/gprim/geom2d.hpp netgen-4.5_new/libsrc/gprim/geom2d.hpp
+--- netgen-4.5_orig/libsrc/gprim/geom2d.hpp 2004-01-20 14:49:44.000000000 +0300
++++ netgen-4.5_new/libsrc/gprim/geom2d.hpp 2010-06-23 13:19:48.000000000 +0400
+@@ -53,7 +53,7 @@
+ int IsOnLongLine (const Line2d & l, const Point2d & p);
+ int Hit (const Line2d & l1, const Line2d & l2, double heps = EPSGEOM);
+ ostream & operator<<(ostream & s, const Line2d & l);
+-Point2d CrossPoint (const PLine2d & l1, const PLine2d & l2);
++Point2d CrossPoint (const Line2d & l1, const Line2d & l2);
+ int Parallel (const PLine2d & l1, const PLine2d & l2, double peps = EPSGEOM);
+ int IsOnLine (const PLine2d & l, const Point2d & p, double heps = EPSGEOM);
+ int IsOnLongLine (const PLine2d & l, const Point2d & p);
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/gprim/geom3d.hpp netgen-4.5_new/libsrc/gprim/geom3d.hpp
+--- netgen-4.5_orig/libsrc/gprim/geom3d.hpp 2004-08-30 16:04:04.000000000 +0400
++++ netgen-4.5_new/libsrc/gprim/geom3d.hpp 2010-06-23 13:19:48.000000000 +0400
+@@ -25,6 +25,7 @@
+ inline Point3d Center (const Point3d & p1, const Point3d & p2, const Point3d & p3);
+ inline Point3d Center (const Point3d & p1, const Point3d & p2,
+ const Point3d & p3, const Point3d & p4);
++inline double Dist2 (const Point3d & p1, const Point3d & p2);
+ ostream & operator<<(ostream & s, const Point3d & p);
+ inline Vec3d operator- (const Vec3d & p1, const Vec3d & v);
+ inline Vec3d operator+ (const Vec3d & p1, const Vec3d & v);
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/interface/Makefile netgen-4.5_new/libsrc/interface/Makefile
+--- netgen-4.5_orig/libsrc/interface/Makefile 2005-08-09 18:14:59.000000000 +0400
++++ netgen-4.5_new/libsrc/interface/Makefile 2010-06-23 13:19:48.000000000 +0400
@@ -1,4 +1,5 @@
-src = nginterface.cpp writeuser.cpp writediffpack.cpp writeabaqus.cpp writefluent.cpp writepermas.cpp writetochnog.cpp writetecplot.cpp wuchemnitz.cpp writetochnog.cpp writefeap.cpp writeelmer.cpp writegmsh.cpp writejcm.cpp readuser.cpp importsolution.cpp
+#src = nginterface.cpp writeuser.cpp writediffpack.cpp writeabaqus.cpp writefluent.cpp writepermas.cpp writetochnog.cpp writetecplot.cpp wuchemnitz.cpp writetochnog.cpp writefeap.cpp writeelmer.cpp writegmsh.cpp writejcm.cpp readuser.cpp importsolution.cpp
#
lib = nginterface
libpath = libsrc/interface
-diff -Naur netgen-4.5.old/libsrc/interface/nglib.cpp netgen-4.5.new/libsrc/interface/nglib.cpp
---- netgen-4.5.old/libsrc/interface/nglib.cpp 2005-10-18 17:53:18.000000000 +0400
-+++ netgen-4.5.new/libsrc/interface/nglib.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/interface/nglib.cpp netgen-4.5_new/libsrc/interface/nglib.cpp
+--- netgen-4.5_orig/libsrc/interface/nglib.cpp 2005-10-18 17:53:18.000000000 +0400
++++ netgen-4.5_new/libsrc/interface/nglib.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -56,7 +56,8 @@
void Ng_Exit ()
}
-diff -Naur netgen-4.5.old/libsrc/makefile.inc netgen-4.5.new/libsrc/makefile.inc
---- netgen-4.5.old/libsrc/makefile.inc 2005-09-02 17:17:51.000000000 +0400
-+++ netgen-4.5.new/libsrc/makefile.inc 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/interface/writeuser.cpp netgen-4.5_new/libsrc/interface/writeuser.cpp
+--- netgen-4.5_orig/libsrc/interface/writeuser.cpp 2005-08-09 18:14:59.000000000 +0400
++++ netgen-4.5_new/libsrc/interface/writeuser.cpp 2010-06-23 12:37:42.000000000 +0400
+@@ -17,7 +17,7 @@
+
+ void RegisterUserFormats (ARRAY<const char*> & names)
+ {
+- char *types[] =
++ const char *types[] =
+ {
+ "Neutral Format",
+ "Surface Mesh Format" ,
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/linalg/densemat.hpp netgen-4.5_new/libsrc/linalg/densemat.hpp
+--- netgen-4.5_orig/libsrc/linalg/densemat.hpp 2005-12-09 15:26:19.000000000 +0300
++++ netgen-4.5_new/libsrc/linalg/densemat.hpp 2010-06-23 13:19:48.000000000 +0400
+@@ -14,6 +14,8 @@
+
+ #include <assert.h>
+
++class DenseMatrix;
++void CalcAtA (const DenseMatrix & a, DenseMatrix & m2);
+
+ class DenseMatrix
+ {
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/makefile.inc netgen-4.5_new/libsrc/makefile.inc
+--- netgen-4.5_orig/libsrc/makefile.inc 2005-09-02 17:17:51.000000000 +0400
++++ netgen-4.5_new/libsrc/makefile.inc 2010-06-23 13:19:48.000000000 +0400
@@ -8,17 +8,14 @@
LIBSRC_DIR=$(CPP_DIR)/libsrc
LIB_DIR=$(CPP_DIR)/lib/$(MACHINE)
#
ARFLAGS = r
#
-diff -Naur netgen-4.5.old/libsrc/makefile.mach.LINUX netgen-4.5.new/libsrc/makefile.mach.LINUX
---- netgen-4.5.old/libsrc/makefile.mach.LINUX 2004-10-11 23:49:26.000000000 +0400
-+++ netgen-4.5.new/libsrc/makefile.mach.LINUX 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/makefile.mach.LINUX netgen-4.5_new/libsrc/makefile.mach.LINUX
+--- netgen-4.5_orig/libsrc/makefile.mach.LINUX 2004-10-11 23:49:26.000000000 +0400
++++ netgen-4.5_new/libsrc/makefile.mach.LINUX 2010-06-23 13:19:48.000000000 +0400
@@ -16,7 +16,7 @@
#
CFLAGS2 =
-ftemplate-depth-99 -finline-limit=10000 \
-Wdisabled-optimization -funroll-loops -DnoNGSOLVE
-diff -Naur netgen-4.5.old/libsrc/meshing/improve2.cpp netgen-4.5.new/libsrc/meshing/improve2.cpp
---- netgen-4.5.old/libsrc/meshing/improve2.cpp 2006-01-11 19:08:19.000000000 +0300
-+++ netgen-4.5.new/libsrc/meshing/improve2.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/meshing/improve2.cpp netgen-4.5_new/libsrc/meshing/improve2.cpp
+--- netgen-4.5_orig/libsrc/meshing/improve2.cpp 2006-01-11 19:08:19.000000000 +0300
++++ netgen-4.5_new/libsrc/meshing/improve2.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -4,7 +4,7 @@
#include <opti.hpp>
#endif
namespace netgen
-diff -Naur netgen-4.5.old/libsrc/meshing/improve2.hpp netgen-4.5.new/libsrc/meshing/improve2.hpp
---- netgen-4.5.old/libsrc/meshing/improve2.hpp 2004-10-12 23:22:55.000000000 +0400
-+++ netgen-4.5.new/libsrc/meshing/improve2.hpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/meshing/improve2.hpp netgen-4.5_new/libsrc/meshing/improve2.hpp
+--- netgen-4.5_orig/libsrc/meshing/improve2.hpp 2004-10-12 23:22:55.000000000 +0400
++++ netgen-4.5_new/libsrc/meshing/improve2.hpp 2010-06-23 13:19:48.000000000 +0400
@@ -32,17 +32,16 @@
///
virtual void SelectSurfaceOfPoint (const Point3d & p,
- ///
- virtual void ProjectPoint (INDEX /* surfind */, Point3d & /* p */) const { };
+
-+ /// project point on surface, returns true if success
-+ virtual bool ProjectPoint (INDEX /* surfind */, Point3d & /* p */) const { return false; }
-+ /// fast project point on surface using point geom info of a neighboring point
-+ /// if gi.trignum != 0,
-+ /// returns true if success, gi is updated
-+ virtual bool ProjectPoint (INDEX surfind, Point3d & p, PointGeomInfo& gi) const
-+ { gi.trignum = 1; return ProjectPoint (surfind, p); }
- ///
- virtual void ProjectPoint2 (INDEX /* surfind */, INDEX /* surfind2 */, Point3d & /* p */) const { };
-- /// liefert zu einem 3d-Punkt die geominfo (Dreieck) und liefert 1, wenn erfolgreich,
-- /// 0, wenn nicht (Punkt ausserhalb von chart)
-- virtual int CalcPointGeomInfo(PointGeomInfo& gi, const Point3d& /*p3*/) const
-- { gi.trignum = 1; return 1;};
--
-- virtual int CalcPointGeomInfo(int /* surfind */, PointGeomInfo& gi, const Point3d& p3) const
-- { return CalcPointGeomInfo (gi, p3); }
-
- ///
- virtual void GetNormalVector(INDEX surfind, const Point3d & p, PointGeomInfo & gi, Vec3d & n) const;
-diff -Naur netgen-4.5.old/libsrc/meshing/meshtype.cpp netgen-4.5.new/libsrc/meshing/meshtype.cpp
---- netgen-4.5.old/libsrc/meshing/meshtype.cpp 2006-02-10 13:11:08.000000000 +0300
-+++ netgen-4.5.new/libsrc/meshing/meshtype.cpp 2009-06-11 17:56:43.000000000 +0400
-@@ -1,4 +1,5 @@
- #include <mystdlib.h>
-+#include <float.h>
-
- #include "meshing.hpp"
-
-@@ -774,7 +775,7 @@
- frob /= 2;
-
- double det = trans.Det();
-- if (det <= 0)
-+ if (det <= DBL_MIN)
- err += 1e12;
- else
- err += frob * frob / det;
-diff -Naur netgen-4.5.old/libsrc/meshing/meshtype.hpp netgen-4.5.new/libsrc/meshing/meshtype.hpp
---- netgen-4.5.old/libsrc/meshing/meshtype.hpp 2006-02-10 13:11:08.000000000 +0300
-+++ netgen-4.5.new/libsrc/meshing/meshtype.hpp 2009-06-11 17:56:43.000000000 +0400
-@@ -13,7 +13,7 @@
- Classes for NETGEN
- */
-
--
-+class Mesh;
- enum ELEMENT_TYPE {
- SEGMENT = 1, SEGMENT3 = 2,
- TRIG = 10, QUAD=11, TRIG6 = 12, QUAD6 = 13, QUAD8 = 14,
-diff -Naur netgen-4.5.old/libsrc/meshing/smoothing2.cpp netgen-4.5.new/libsrc/meshing/smoothing2.cpp
---- netgen-4.5.old/libsrc/meshing/smoothing2.cpp 2006-01-11 19:08:20.000000000 +0300
-+++ netgen-4.5.new/libsrc/meshing/smoothing2.cpp 2009-06-11 17:56:43.000000000 +0400
-@@ -300,7 +300,7 @@
- double Opti2SurfaceMinFunction ::
- FuncGrad (const Vector & x, Vector & grad) const
- {
-- Vec3d n, vgrad;
-+ Vec3d vgrad;
- Point3d pp1;
- double g1x, g1y;
- double badness, hbadness;
-@@ -308,8 +308,6 @@
- vgrad = 0;
- badness = 0;
-
-- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
--
- pp1 = sp1;
- pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
-
-@@ -360,7 +358,7 @@
- double Opti2SurfaceMinFunction ::
- FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const
- {
-- Vec3d n, vgrad;
-+ Vec3d vgrad;
- Point3d pp1;
- double g1x, g1y;
- double badness, hbadness;
-@@ -368,8 +366,6 @@
- vgrad = 0;
- badness = 0;
-
-- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
--
- pp1 = sp1;
- pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
-
-@@ -520,7 +516,7 @@
- // from 2d:
-
- int j, k, lpi, gpi;
-- Vec3d n, vgrad;
-+ Vec3d vgrad;
- Point3d pp1;
- Vec2d g1, vdir;
- double badness, hbadness, hbad, hderiv;
-@@ -528,8 +524,6 @@
- vgrad = 0;
- badness = 0;
-
-- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
--
- pp1 = sp1;
- pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
-
-@@ -593,7 +587,7 @@
- // from 2d:
-
- int j, k, lpi, gpi;
-- Vec3d n, vgrad;
-+ Vec3d vgrad;
- Point3d pp1;
- Vec2d g1, vdir;
- double badness, hbadness, hbad, hderiv;
-@@ -601,8 +595,6 @@
- vgrad = 0;
- badness = 0;
-
-- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
--
- pp1 = sp1;
- pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
-
-@@ -859,19 +851,21 @@
- locelements.SetSize(0);
- locrots.SetSize (0);
- lochs.SetSize (0);
-+ ngi.trignum = 0;
-
- for (j = 0; j < elementsonpoint[pi].Size(); j++)
- {
- sei = elementsonpoint[pi][j];
- const Element2d & bel = mesh[sei];
- surfi = mesh.GetFaceDescriptor(bel.GetIndex()).SurfNr();
--
++ /// project point on surface, returns true if success
++ virtual bool ProjectPoint (INDEX /* surfind */, Point3d & /* p */) const { return false; }
++ /// fast project point on surface using point geom info of a neighboring point
++ /// if gi.trignum != 0,
++ /// returns true if success, gi is updated
++ virtual bool ProjectPoint (INDEX surfind, Point3d & p, PointGeomInfo& gi) const
++ { gi.trignum = 1; return ProjectPoint (surfind, p); }
+ ///
+ virtual void ProjectPoint2 (INDEX /* surfind */, INDEX /* surfind2 */, Point3d & /* p */) const { };
+- /// liefert zu einem 3d-Punkt die geominfo (Dreieck) und liefert 1, wenn erfolgreich,
+- /// 0, wenn nicht (Punkt ausserhalb von chart)
+- virtual int CalcPointGeomInfo(PointGeomInfo& gi, const Point3d& /*p3*/) const
+- { gi.trignum = 1; return 1;};
+-
+- virtual int CalcPointGeomInfo(int /* surfind */, PointGeomInfo& gi, const Point3d& p3) const
+- { return CalcPointGeomInfo (gi, p3); }
+
+ ///
+ virtual void GetNormalVector(INDEX surfind, const Point3d & p, PointGeomInfo & gi, Vec3d & n) const;
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/meshing/meshtype.cpp netgen-4.5_new/libsrc/meshing/meshtype.cpp
+--- netgen-4.5_orig/libsrc/meshing/meshtype.cpp 2006-02-10 13:11:08.000000000 +0300
++++ netgen-4.5_new/libsrc/meshing/meshtype.cpp 2010-06-23 12:39:02.000000000 +0400
+@@ -1,4 +1,5 @@
+ #include <mystdlib.h>
++#include <float.h>
+
+ #include "meshing.hpp"
+
+@@ -774,7 +775,7 @@
+ frob /= 2;
+
+ double det = trans.Det();
+- if (det <= 0)
++ if (det <= DBL_MIN)
+ err += 1e12;
+ else
+ err += frob * frob / det;
+@@ -2222,9 +2223,9 @@
+
+ MeshingParameters :: MeshingParameters ()
+ {
+- optimize3d = "cmdmstm";
++ optimize3d = (char*)"cmdmstm";
+ optsteps3d = 3;
+- optimize2d = "smsmsmSmSmSm";
++ optimize2d = (char*)"smsmsmSmSmSm";
+ optsteps2d = 3;
+ opterrpow = 2;
+ blockfill = 1;
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/meshing/meshtype.hpp netgen-4.5_new/libsrc/meshing/meshtype.hpp
+--- netgen-4.5_orig/libsrc/meshing/meshtype.hpp 2006-02-10 13:11:08.000000000 +0300
++++ netgen-4.5_new/libsrc/meshing/meshtype.hpp 2010-06-23 13:19:48.000000000 +0400
+@@ -13,7 +13,7 @@
+ Classes for NETGEN
+ */
+
+-
++class Mesh;
+ enum ELEMENT_TYPE {
+ SEGMENT = 1, SEGMENT3 = 2,
+ TRIG = 10, QUAD=11, TRIG6 = 12, QUAD6 = 13, QUAD8 = 14,
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/meshing/smoothing2.cpp netgen-4.5_new/libsrc/meshing/smoothing2.cpp
+--- netgen-4.5_orig/libsrc/meshing/smoothing2.cpp 2006-01-11 19:08:20.000000000 +0300
++++ netgen-4.5_new/libsrc/meshing/smoothing2.cpp 2010-06-23 13:19:48.000000000 +0400
+@@ -300,7 +300,7 @@
+ double Opti2SurfaceMinFunction ::
+ FuncGrad (const Vector & x, Vector & grad) const
+ {
+- Vec3d n, vgrad;
++ Vec3d vgrad;
+ Point3d pp1;
+ double g1x, g1y;
+ double badness, hbadness;
+@@ -308,8 +308,6 @@
+ vgrad = 0;
+ badness = 0;
+
+- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
+-
+ pp1 = sp1;
+ pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
+
+@@ -360,7 +358,7 @@
+ double Opti2SurfaceMinFunction ::
+ FuncDeriv (const Vector & x, const Vector & dir, double & deriv) const
+ {
+- Vec3d n, vgrad;
++ Vec3d vgrad;
+ Point3d pp1;
+ double g1x, g1y;
+ double badness, hbadness;
+@@ -368,8 +366,6 @@
+ vgrad = 0;
+ badness = 0;
+
+- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
+-
+ pp1 = sp1;
+ pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
+
+@@ -520,7 +516,7 @@
+ // from 2d:
+
+ int j, k, lpi, gpi;
+- Vec3d n, vgrad;
++ Vec3d vgrad;
+ Point3d pp1;
+ Vec2d g1, vdir;
+ double badness, hbadness, hbad, hderiv;
+@@ -528,8 +524,6 @@
+ vgrad = 0;
+ badness = 0;
+
+- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
+-
+ pp1 = sp1;
+ pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
+
+@@ -593,7 +587,7 @@
+ // from 2d:
+
+ int j, k, lpi, gpi;
+- Vec3d n, vgrad;
++ Vec3d vgrad;
+ Point3d pp1;
+ Vec2d g1, vdir;
+ double badness, hbadness, hbad, hderiv;
+@@ -601,8 +595,6 @@
+ vgrad = 0;
+ badness = 0;
+
+- meshthis -> GetNormalVector (surfi, sp1, gi1, n);
+-
+ pp1 = sp1;
+ pp1.Add2 (x.Get(1), t1, x.Get(2), t2);
+
+@@ -859,19 +851,21 @@
+ locelements.SetSize(0);
+ locrots.SetSize (0);
+ lochs.SetSize (0);
++ ngi.trignum = 0;
+
+ for (j = 0; j < elementsonpoint[pi].Size(); j++)
+ {
+ sei = elementsonpoint[pi][j];
+ const Element2d & bel = mesh[sei];
+ surfi = mesh.GetFaceDescriptor(bel.GetIndex()).SurfNr();
+-
++
+ locelements.Append (sei);
+
+ for (k = 1; k <= bel.GetNP(); k++)
+ if (bel.PNum(k) == pi)
+ {
+ locrots.Append (k);
++ ngi = bel.GeomInfoPi(k);
+ break;
+ }
+
+@@ -942,7 +936,7 @@
+ }
+
+ //optimizer loop (if not whole distance is not possible, move only a bit!!!!)
+- while (loci <= 5 && !moveisok)
++ while (loci <= 5 && !moveisok)
+ {
+ loci ++;
+ mesh[pi].X() = origp.X() + (x.Get(1) * t1.X() + x.Get(2) * t2.X())*fact;
+@@ -951,11 +945,9 @@
+ fact = fact/2.;
+
+
+- ProjectPoint (surfi, mesh[pi]);
++ moveisok = ProjectPoint (surfi, mesh[pi], ngi);
+
+- moveisok = CalcPointGeomInfo(surfi, ngi, mesh[pi]);
+- // point lies on same chart in stlsurface
+-
++ // point lies on same chart in stlsurface
+ if (moveisok)
+ {
+ for (j = 0; j < locelements.Size(); j++)
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Inter2d.cxx netgen-4.5_new/libsrc/occ/Partition_Inter2d.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Inter2d.cxx 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Inter2d.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -29,10 +29,10 @@
+ // $Header$
+
+ //using namespace std;
+-#include "Partition_Inter2d.ixx"
+-
+ #include "utilities.h"
+
++#include "Partition_Inter2d.ixx"
++
+ #include <BRepAdaptor_Curve.hxx>
+ #include <BRepAlgo_AsDes.hxx>
+ #include <BRepLib_MakeVertex.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Inter2d.cxx.orig netgen-4.5_new/libsrc/occ/Partition_Inter2d.cxx.orig
+--- netgen-4.5_orig/libsrc/occ/Partition_Inter2d.cxx.orig 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/Partition_Inter2d.cxx.orig 2010-06-23 13:19:48.000000000 +0400
+@@ -0,0 +1,677 @@
++#ifdef OCCGEOMETRY
++
++// GEOM PARTITION : partition algorithm
++//
++// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
++// CEDRAT, EDF R& D, LEG, PRINCIPIA R& D, BUREAU VERITAS
++//
++// This library is free software; you can redistribute it and/or
++// modify it under the terms of the GNU Lesser General Public
++// License as published by the Free Software Foundation; either
++// version 2.1 of the License.
++//
++// This library is distributed in the hope that it will be useful,
++// but WITHOUT ANY WARRANTY; without even the implied warranty of
++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++// Lesser General Public License for more details.
++//
++// You should have received a copy of the GNU Lesser General Public
++// License along with this library; if not, write to the Free Software
++// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++//
++// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
++//
++//
++//
++// File : Partition_Inter2d.cxx
++// Author : Benedicte MARTIN
++// Module : GEOM
++// $Header$
++
++//using namespace std;
++#include "Partition_Inter2d.ixx"
++
++#include "utilities.h"
++
++#include <BRepAdaptor_Curve.hxx>
++#include <BRepAlgo_AsDes.hxx>
++#include <BRepLib_MakeVertex.hxx>
++#include <BRep_Builder.hxx>
++#include <BRep_Tool.hxx>
++#include <Geom_Surface.hxx>
++#include <Precision.hxx>
++#include <TopExp.hxx>
++#include <TopExp_Explorer.hxx>
++#include <TopOpeBRepDS_Transition.hxx>
++#include <TopOpeBRep_EdgesIntersector.hxx>
++#include <TopOpeBRep_Point2d.hxx>
++#include <TopTools_ListIteratorOfListOfShape.hxx>
++#include <TopTools_ListOfShape.hxx>
++#include <TopTools_MapIteratorOfMapOfShape.hxx>
++#include <TopTools_MapOfShape.hxx>
++#include <TopoDS.hxx>
++#include <TopoDS_Edge.hxx>
++#include <TopoDS_Vertex.hxx>
++#include <gp_Pnt.hxx>
++
++#ifdef DEB
++static Standard_Boolean TestEdges = 0;
++static Standard_Integer NbF2d = 0;
++static Standard_Integer NbE2d = 0;
++#endif
++
++//=======================================================================
++//function : getOtherShape
++//purpose :
++//=======================================================================
++
++static TopoDS_Shape getOtherShape(const TopoDS_Shape& theS,
++ const TopTools_ListOfShape& theSList)
++{
++ TopTools_ListIteratorOfListOfShape anIt( theSList );
++ for ( ; anIt.More(); anIt.Next() )
++ if (!theS.IsSame( anIt.Value() ))
++ return anIt.Value();
++
++ return TopoDS_Shape();
++}
++
++//=======================================================================
++//function : findVOnE
++//purpose : on theE, find a vertex close to theV, such that an edge
++// passing through it is an itersection of theF1 and theF2.
++// theE intersects theE2 at theV
++//=======================================================================
++
++static Standard_Boolean findVOnE(const TopoDS_Vertex & theV,
++ const TopoDS_Edge& theE,
++ const TopoDS_Edge& theE2,
++ const TopoDS_Shape& theF1,
++ const TopoDS_Shape& theF2,
++ const Handle(BRepAlgo_AsDes)& theAsDes,
++ TopoDS_Vertex & theFoundV)
++{
++ Standard_Real MinDist2 = ::RealLast();
++ gp_Pnt P;
++
++ // check all vertices on theE
++ const TopTools_ListOfShape& aVList = theAsDes->Descendant( theE );
++ TopTools_ListIteratorOfListOfShape anIt( aVList );
++ if (anIt.More())
++ P = BRep_Tool::Pnt( theV );
++ for ( ; anIt.More(); anIt.Next() )
++ {
++ // check by distance
++ TopoDS_Vertex & V = TopoDS::Vertex( anIt.Value() );
++ Standard_Real dist2 = P.SquareDistance( BRep_Tool::Pnt( V ));
++ if (dist2 < MinDist2)
++ MinDist2 = dist2;
++ else
++ continue;
++
++ // V is a candidate if among edges passing through V there is one
++ // which is an intersection of theF1 and theF2
++ TopTools_ListIteratorOfListOfShape anEIt( theAsDes->Ascendant( V ));
++ Standard_Boolean isOk = Standard_False;
++ for ( ; !isOk && anEIt.More(); anEIt.Next() )
++ {
++ const TopoDS_Shape & E2 = anEIt.Value();
++ if ( theE2.IsSame( E2 ))
++ continue;
++ const TopTools_ListOfShape & aFList = theAsDes->Ascendant( E2 );
++ if (aFList.IsEmpty())
++ continue;
++ if ( theF1.IsSame( aFList.First() ))
++ isOk = theF2.IsSame( aFList.Last() );
++ else
++ isOk = theF2.IsSame( aFList.First() ) && theF1.IsSame( aFList.Last() );
++ }
++ if (isOk)
++ theFoundV = V;
++ }
++
++ if (theFoundV.IsNull())
++ return Standard_False;
++
++ // check that MinDist2 is not too large
++ Standard_Real f, l;
++ TopLoc_Location L;
++ Handle(Geom_Curve) aCurve = BRep_Tool::Curve( theE, L, f, l );
++ gp_Pnt P1 = aCurve->Value( f );
++ gp_Pnt P2 = aCurve->Value( 0.3 * f + 0.7 * l );
++ //gp_Pnt P2 = aCurve->Value( 0.5 * ( f + l ));
++ if (MinDist2 > P1.SquareDistance( P2 ))
++ return Standard_False;
++
++#ifdef DEB
++ MESSAGE("findVOnE: found MinDist = " << sqrt (MinDist2));
++#endif
++
++ return Standard_True;
++}
++
++//=======================================================================
++//function : AddVonE
++//purpose : Put V in AsDes as intersection of E1 and E2.
++// Check that vertex equal to V already exists on one
++// of edges, in such a case, V is not added but
++// existing vertex is updated to be on E1 and E2 and
++// is returned insead of V.
++//=======================================================================
++
++TopoDS_Vertex Partition_Inter2d::AddVonE(const TopoDS_Vertex& theV,
++ const TopoDS_Edge& E1,
++ const TopoDS_Edge& E2,
++ const Handle(BRepAlgo_AsDes)& AsDes,
++ const TopoDS_Face& theF)
++
++{
++ //-------------------------------------------------------------
++ // test if the points of intersection already exist. If not,
++ // add as descendants of the edges.
++ // nb: theses points are only vertices of intersection.
++ //-------------------------------------------------------------
++ const TopTools_ListOfShape& VOnE1 = AsDes->Descendant(E1);
++ const TopTools_ListOfShape& VOnE2 = AsDes->Descendant(E2);
++ gp_Pnt P1,P2;
++ TopoDS_Vertex V1,V2;
++ TopTools_ListIteratorOfListOfShape it;
++ BRep_Builder B;
++ TopAbs_Orientation O1,O2;
++ Standard_Real U1,U2;
++ Standard_Real Tol,Tol1,Tol2;
++ Standard_Boolean OnE1,OnE2;
++
++ TopoDS_Vertex V = theV;
++
++ U1 = BRep_Tool::Parameter(V,E1);
++ U2 = BRep_Tool::Parameter(V,E2);
++ O1 = V.Orientation();
++ O2 = O1;
++ P1 = BRep_Tool::Pnt(V);
++ Tol = BRep_Tool::Tolerance( V );
++ OnE1 = OnE2 = Standard_False;
++
++ //-----------------------------------------------------------------
++ // Search if the point of intersection is a vertex of E1.
++ //-----------------------------------------------------------------
++ for (it.Initialize(VOnE1); it.More(); it.Next()) {
++ const TopoDS_Vertex& CV = TopoDS::Vertex( it.Value() );
++ if (V.IsSame( CV )) {
++ V1 = V;
++ OnE1 = Standard_True;
++ break;
++ }
++ P2 = BRep_Tool::Pnt( CV );
++ Tol1 = 1.1*(Tol + BRep_Tool::Tolerance( CV ));
++ if (P1.SquareDistance(P2) <= Tol1*Tol1) {
++ V = CV;
++ V1 = V;
++ OnE1 = Standard_True;
++ break;
++ }
++ }
++ if (OnE1) {
++ //-----------------------------------------------------------------
++ // Search if the vertex found is still on E2.
++ //-----------------------------------------------------------------
++ for (it.Initialize(VOnE2); it.More(); it.Next()) {
++ if (V.IsSame( it.Value() )) {
++ OnE2 = Standard_True;
++ V2 = V;
++ break;
++ }
++ }
++ }
++ if (!OnE2) {
++ for (it.Initialize(VOnE2); it.More(); it.Next()) {
++ //-----------------------------------------------------------------
++ // Search if the point of intersection is a vertex of E2.
++ //-----------------------------------------------------------------
++ const TopoDS_Vertex& CV = TopoDS::Vertex( it.Value() );
++ P2 = BRep_Tool::Pnt( CV );
++ Tol2 = 1.1*(Tol + BRep_Tool::Tolerance( CV ));
++ if (P1.SquareDistance(P2) <= Tol2*Tol2) {
++ V = CV;
++ V2 = V;
++ OnE2 = Standard_True;
++ break;
++ }
++ }
++ }
++
++
++ if (!OnE1 && !OnE2 && !theF.IsNull())
++ {
++ // if 3 faces intersects each others, 3 new edges on them must pass
++ // through one vertex but real intersection points of each
++ // pair of edges are sometimes more far than a tolerance.
++ // Try to analitically find vertices that E1 and E2 must pass trough
++
++ TopoDS_Shape F1 = getOtherShape( theF, AsDes->Ascendant( E1 ));
++ TopoDS_Shape F2 = getOtherShape( theF, AsDes->Ascendant( E2 ));
++ if (!F1.IsNull() && !F2.IsNull() && !F1.IsSame( F2 ))
++ {
++ OnE1 = findVOnE ( theV, E1, E2, F1, F2, AsDes, V1 );
++ OnE2 = findVOnE ( theV, E2, E1, F1, F2, AsDes, V2 );
++ if (OnE2) V = V2;
++ if (OnE1) V = V1;
++ }
++ }
++
++ if (OnE1 && OnE2) {
++ if (!V1.IsSame(V2)) {
++ // replace V1 with V2 on all edges V1 is on
++ Standard_Real UV1;
++ TopoDS_Edge EWE1;
++ TopoDS_Vertex VI;
++ const TopTools_ListOfShape& EdgeWithV1 = AsDes->Ascendant(V1);
++
++ for (it.Initialize(EdgeWithV1); it.More(); it.Next()) {
++ EWE1 = TopoDS::Edge(it.Value());
++ VI = V1;
++ VI.Orientation(TopAbs_INTERNAL);
++ UV1 = BRep_Tool::Parameter(VI,EWE1);
++ VI = V2;
++ VI.Orientation(TopAbs_INTERNAL);
++ B.UpdateVertex( VI, UV1, EWE1, GetTolerance( VI, UV1, EWE1, AsDes));
++ }
++ AsDes->Replace(V1,V2);
++ V = V2;
++ }
++ }
++
++ // add existing vertices instead of new ones
++ if (!OnE1) {
++ if (OnE2) {
++ V.Orientation(TopAbs_INTERNAL);
++ B.UpdateVertex (V, U1, E1, GetTolerance( V, U1, E1, AsDes));
++ }
++ V.Orientation(O1);
++ AsDes->Add(E1,V);
++ }
++ if (!OnE2) {
++ if (OnE1) {
++ V.Orientation(TopAbs_INTERNAL);
++ B.UpdateVertex (V, U2, E2, GetTolerance( V, U2, E2, AsDes ));
++ }
++ V.Orientation(O2);
++ AsDes->Add(E2,V);
++ }
++
++ return V;
++}
++
++//=======================================================================
++//function : FindEndVertex
++//purpose : Returns a vertex from <VertList> having parameter on
++// <E> closest to <f> or <l>. <isFirst> is True if
++// found vertex is closer to <f>. <DU> returns parameter
++// difference.
++//=======================================================================
++
++TopoDS_Vertex Partition_Inter2d::FindEndVertex(const TopTools_ListOfShape& LV,
++ const Standard_Real f,
++ const Standard_Real l,
++ const TopoDS_Edge& E,
++ Standard_Boolean& isFirst,
++ Standard_Real& minDU)
++{
++ TopoDS_Vertex endV;
++ Standard_Real U, endU, min;
++ minDU = 1.e10;
++
++ TopTools_ListIteratorOfListOfShape it;
++ it.Initialize(LV);
++ for (; it.More(); it.Next()) {
++ const TopoDS_Vertex& v = TopoDS::Vertex(it.Value());
++ U = BRep_Tool::Parameter(v, E);
++ min = Min( Abs(U-f), Abs(U-l) );
++ if (min < minDU) {
++ endV = v;
++ endU = U;
++ minDU = min;
++ }
++ }
++ if (Abs(endU-f) < Abs(endU-l))
++ isFirst = Standard_True;
++ else
++ isFirst = Standard_False;
++
++ return endV;
++}
++
++//=======================================================================
++//function : treatClosed
++//purpose : add second vertex to closed edge. Vertex is one of <LV1>
++//=======================================================================
++
++static void treatClosed (const TopoDS_Edge& E1,
++ const Standard_Real f,
++ const Standard_Real l,
++ TopTools_ListOfShape& LV1,
++ TopTools_ListOfShape& /*LV2*/)
++{
++ Standard_Boolean isFirst=0;
++ Standard_Real minDU = 1.e10;
++ TopoDS_Vertex endV;
++ endV = Partition_Inter2d::FindEndVertex(LV1, f,l, E1, isFirst,minDU);
++
++ if (minDU > Precision::PConfusion())
++ return; // not end point
++
++ Standard_Real newU;
++ if (isFirst)
++ newU = f + (l - f);
++ else
++ newU = l - (l - f);
++
++ // update end parameter
++ BRep_Builder B;
++ endV.Orientation(TopAbs_INTERNAL);
++ B.UpdateVertex(endV,newU,E1,BRep_Tool::Tolerance(endV));
++}
++
++//=======================================================================
++//function : EdgesPartition
++//purpose :
++//=======================================================================
++
++static void EdgesPartition(const TopoDS_Face& F,
++ const TopoDS_Edge& E1,
++ const TopoDS_Edge& E2,
++ const Handle(BRepAlgo_AsDes)& AsDes,
++ const TopTools_MapOfShape& NewEdges,
++ const Standard_Boolean WithOri)
++{
++
++ Standard_Real f[3],l[3];
++ Standard_Real MilTol2;
++ Standard_Real Tol = Max (BRep_Tool::Tolerance(E1),
++ BRep_Tool::Tolerance(E2));
++ MilTol2 = Tol * Tol * 10;
++
++ BRep_Tool::Range(E1, f[1], l[1]);
++ BRep_Tool::Range(E2, f[2], l[2]);
++
++ BRepAdaptor_Curve CE1(E1,F);
++ BRepAdaptor_Curve CE2(E2,F);
++
++ TopoDS_Edge EI[3]; EI[1] = E1; EI[2] = E2;
++ TopTools_ListOfShape LV1; // new vertices at intersections on E1
++ TopTools_ListOfShape LV2; // ... on E2
++ BRep_Builder B;
++
++ // if E1 and E2 are results of intersection of F and two connex faces then
++ // no need to intersect edges, they can contact by vertices only
++ // (encounted an exception in TopOpeBRep_EdgesIntersector in such a case)
++ Standard_Boolean intersect = Standard_True;
++ TopTools_IndexedMapOfShape ME;
++ TopExp::MapShapes(F, TopAbs_EDGE, ME);
++ if (!ME.Contains(E1) && ! ME.Contains(E2)) { // if E1 and E2 are new on F
++ TopoDS_Shape F1, F2;
++ const TopTools_ListOfShape& LF1 = AsDes->Ascendant( E1 );
++ F1 = F.IsSame( LF1.First() ) ? LF1.Last() : LF1.First();
++ const TopTools_ListOfShape& LF2 = AsDes->Ascendant( E2 );
++ F2 = F.IsSame( LF2.First() ) ? LF2.Last() : LF2.First();
++ if (!F.IsSame(F2) && !F.IsSame(F1) ) {
++ TopExp_Explorer exp(F2, TopAbs_EDGE);
++ TopExp::MapShapes(F1, TopAbs_EDGE, ME);
++ for (; exp.More(); exp.Next()) {
++ if (ME.Contains( exp.Current())) {
++ intersect = Standard_False;
++ break;
++ }
++ }
++ }
++ }
++
++ if (intersect) {
++ //------------------------------------------------------
++ // compute the points of Intersection in 2D
++ //-----------------------------------------------------
++ // i.e. fill LV1 and LV2
++ TopOpeBRep_EdgesIntersector EInter;
++ EInter.SetFaces(F,F);
++ Standard_Real TolDub = 1.e-7;
++ EInter.ForceTolerances(TolDub,TolDub);
++ Standard_Boolean reducesegments = Standard_False;
++ EInter.Perform (E1,E2,reducesegments);
++
++ Standard_Boolean rejectreducedsegmentpoints = Standard_False;
++ EInter.InitPoint(rejectreducedsegmentpoints);
++ for ( ; EInter.MorePoint(); EInter.NextPoint() )
++ {
++ const TopOpeBRep_Point2d& P2D = EInter.Point();
++ const gp_Pnt& P = P2D.Value();
++ TopoDS_Vertex V = BRepLib_MakeVertex(P);
++
++ //-------------------------
++ // control the point found.
++ //-------------------------
++ gp_Pnt P1 = CE1.Value(P2D.Parameter(1));
++ gp_Pnt P2 = CE2.Value(P2D.Parameter(2));
++ Standard_Real sqd1 = P1.SquareDistance(P);
++ Standard_Real sqd2 = P2.SquareDistance(P);
++ if (sqd1 > MilTol2 || sqd2 > MilTol2 )
++ continue;
++
++ // add a new vertex to the both edges
++ Standard_Real toler = Max( Tol, sqrt( Max( sqd1, sqd2 )));
++ Standard_Integer i;
++ for (i = 1; i <= 2; i++) {
++ Standard_Real U = P2D.Parameter(i);
++ V.Orientation(TopAbs_INTERNAL);
++ B.UpdateVertex( V,U,EI[i], toler);
++ TopAbs_Orientation OO = TopAbs_REVERSED;
++ if (WithOri) {
++ if (P2D.IsVertex(i))
++ OO = P2D.Vertex(i).Orientation();
++ else if (P2D.Transition(i).Before() == TopAbs_OUT) {
++ OO = TopAbs_FORWARD;
++ }
++ V.Orientation(OO);
++ if (i == 1) LV1.Append(V);
++ else LV2.Append(V);
++ }
++ }
++ }
++ } // if (intersect)
++
++ //----------------------------------
++ // Test the extremities of the edges.
++ //----------------------------------
++ // add to LV* vertices for vertex-vertex closeness
++ Standard_Real U1,U2;
++ Standard_Real TolConf2, TolConf;
++ TopoDS_Vertex V1[2],V2[2];
++ TopExp::Vertices(E1,V1[0],V1[1]);
++ TopExp::Vertices(E2,V2[0],V2[1]);
++
++ Standard_Integer i,j,k;
++ for (j = 0; j < 2; j++) {
++ if (V1[j].IsNull()) continue;
++ for ( k = 0; k < 2; k++) {
++ if (V2[k].IsNull()) continue;
++ gp_Pnt P1 = BRep_Tool::Pnt(V1[j]);
++ gp_Pnt P2 = BRep_Tool::Pnt(V2[k]);
++ TolConf = BRep_Tool::Tolerance(V1[j]) + BRep_Tool::Tolerance(V2[k]);
++ TolConf = Max (Tol, TolConf);
++ TolConf2 = TolConf * TolConf;
++ if (!intersect)
++ TolConf2 *= 100;
++ Standard_Real SqDist = P1.SquareDistance(P2);
++
++ if (SqDist <= TolConf2) {
++ TopoDS_Vertex V = BRepLib_MakeVertex(P1);
++ V.Orientation(TopAbs_INTERNAL);
++ U1 = (j == 0) ? f[1] : l[1];
++ U2 = (k == 0) ? f[2] : l[2];
++ B.UpdateVertex(V,U1,E1,TolConf);
++ B.UpdateVertex(V,U2,E2,TolConf);
++ LV1.Prepend(V.Oriented(V1[j].Orientation()));
++ LV2.Prepend(V.Oriented(V2[k].Orientation()));
++ }
++ }
++ }
++
++ Standard_Boolean AffichPurge = Standard_False;
++
++ if ( LV1.IsEmpty()) return;
++
++ //----------------------------------
++ // Purge of all the vertices.
++ //----------------------------------
++ // remove one of close vertices
++ TopTools_ListIteratorOfListOfShape it1LV1,it1LV2,it2LV1;
++ gp_Pnt P1,P2;
++ Standard_Boolean Purge = Standard_True;
++
++ while (Purge) {
++ i = 1;
++ Purge = Standard_False;
++ for (it1LV1.Initialize(LV1),it1LV2.Initialize(LV2);
++ it1LV1.More();
++ it1LV1.Next(),it1LV2.Next()) {
++ j = 1;
++ it2LV1.Initialize(LV1);
++ while (j < i) {
++ const TopoDS_Vertex& VE1 = TopoDS::Vertex(it1LV1.Value());
++ const TopoDS_Vertex& VE2 = TopoDS::Vertex(it2LV1.Value());
++ Standard_Real Tol1 = BRep_Tool::Tolerance( VE1 );
++ Standard_Real Tol2 = BRep_Tool::Tolerance( VE2 );
++ P1 = BRep_Tool::Pnt( VE1 );
++ P2 = BRep_Tool::Pnt( VE2 );
++ if (P1.IsEqual(P2, Tol1 + Tol2)) {
++ LV1.Remove(it1LV1);
++ LV2.Remove(it1LV2);
++ Purge = Standard_True;
++ break;
++ }
++ j++;
++ it2LV1.Next();
++ }
++ if (Purge) break;
++ i++;
++ }
++ }
++
++ // care of new closed edges, they always intersect with seam at end
++ if (V1[0].IsSame( V1[1] ) && NewEdges.Contains(E1) )
++ treatClosed (E1, f[1], l[1], LV1, LV2);
++ if (V2[0].IsSame( V2[1] ) && NewEdges.Contains(E2) )
++ treatClosed (E2, f[2], l[2], LV2, LV1);
++
++ //----------------
++ // Stocking vertex
++ //----------------
++
++ for ( it1LV1.Initialize( LV1 ); it1LV1.More(); it1LV1.Next())
++ Partition_Inter2d::AddVonE (TopoDS::Vertex( it1LV1.Value()),
++ E1, E2, AsDes, F);
++}
++
++//=======================================================================
++//function : CompletPart2d
++//purpose : Computes the intersections between the edges stored
++// is AsDes as descendants of <F> . Intersections is computed
++// between two edges if one of them is bound in NewEdges.
++//=======================================================================
++
++void Partition_Inter2d::CompletPart2d (const Handle(BRepAlgo_AsDes)& AsDes,
++ const TopoDS_Face& F,
++ const TopTools_MapOfShape& NewEdges)
++{
++
++#ifdef DEB
++ NbF2d++;
++ NbE2d = 0;
++#endif
++
++ //Do not intersect the edges of a face
++ TopTools_IndexedMapOfShape EdgesOfFace;
++ TopExp::MapShapes( F, TopAbs_EDGE , EdgesOfFace);
++
++ //-------------------------------------------------------------------
++ // compute the intersection2D on the faces touched by the intersection3D
++ //-------------------------------------------------------------------
++ TopTools_ListIteratorOfListOfShape it1LE ;
++ TopTools_ListIteratorOfListOfShape it2LE ;
++
++ //-----------------------------------------------
++ // Intersection edge-edge.
++ //-----------------------------------------------
++ const TopTools_ListOfShape& LE = AsDes->Descendant(F);
++ TopoDS_Vertex V1,V2;
++ Standard_Integer j, i = 1;
++
++ TopoDS_Face FF = F;
++ FF.Orientation(TopAbs_FORWARD);
++
++ for ( it1LE.Initialize(LE) ; it1LE.More(); it1LE.Next()) {
++ const TopoDS_Edge& E1 = TopoDS::Edge(it1LE.Value());
++ j = 1;
++ it2LE.Initialize(LE);
++
++ while (j < i && it2LE.More()) {
++ const TopoDS_Edge& E2 = TopoDS::Edge(it2LE.Value());
++ //----------------------------------------------------------
++ // Intersections of the new edges obtained by intersection
++ // between them and with the restrictions edges
++ //----------------------------------------------------------
++ if ( (!EdgesOfFace.Contains(E1) || !EdgesOfFace.Contains(E2)) &&
++ (NewEdges.Contains(E1) || NewEdges.Contains(E2)) ) {
++ EdgesPartition(FF,E1,E2,AsDes,NewEdges,Standard_True);
++ }
++ it2LE.Next();
++ j++;
++ }
++ i++;
++ }
++}
++
++//=======================================================================
++//function : GetTolerance
++//purpose : Returns tolerance theV must have atfer its
++// addition to theE with theU parameter. theAsDes is
++// used to find pcurves of theE
++//=======================================================================
++
++Standard_Real Partition_Inter2d::GetTolerance
++ (const TopoDS_Vertex & theV,
++ const Standard_Real theU,
++ const TopoDS_Edge & theE,
++ const Handle(BRepAlgo_AsDes)& theAsDes)
++{
++ Standard_Real aTol = BRep_Tool::Tolerance( theV );
++ gp_Pnt aPnt = BRep_Tool::Pnt( theV );
++
++ // check point on 3D curve
++ Standard_Real f,l;
++ Handle(Geom_Curve) C = BRep_Tool::Curve( theE, f, l );
++ if (!C.IsNull())
++ aTol = Max ( aTol, aPnt.Distance( C->Value( theU )));
++
++ // check points on pcurves
++ const TopTools_ListOfShape& aFList = theAsDes->Ascendant( theE );
++ TopTools_ListIteratorOfListOfShape aFIt( aFList );
++ for ( ; aFIt.More(); aFIt.Next() )
++ {
++ const TopoDS_Face& F = TopoDS::Face( aFIt.Value() );
++ Handle(Geom2d_Curve) pcurve = BRep_Tool::CurveOnSurface( theE, F, f, l );
++ if (!pcurve.IsNull())
++ {
++ gp_Pnt2d aPnt2d = pcurve->Value( theU );
++ TopLoc_Location L;
++ Handle(Geom_Surface) S = BRep_Tool::Surface( F, L );
++ gp_Pnt aPntOnS = S->Value( aPnt2d.X(), aPnt2d.Y() );
++ if (!L.IsIdentity())
++ aPntOnS.Transform( L.Transformation() );
++ aTol = Max ( aTol, aPnt.Distance( aPntOnS ));
++ }
++ }
++
++ return aTol;
++}
++
++#endif
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Inter3d.cxx netgen-4.5_new/libsrc/occ/Partition_Inter3d.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Inter3d.cxx 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Inter3d.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -29,13 +29,17 @@
+ // $Header$
+
+ //using namespace std;
++
++#include "utilities.h"
++
+ #include "Partition_Inter2d.hxx"
+ #include "Partition_Inter3d.ixx"
+-#include "utilities.h"
+
+ #include <BRepAlgo_AsDes.hxx>
+ #include <BRepAlgo_Image.hxx>
+ #include <BRepLib.hxx>
++//using namespace std;
++
+ #include <BRepOffset_Tool.hxx>
+ #include <BRep_Builder.hxx>
+ #include <BRep_Tool.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Inter3d.cxx.orig netgen-4.5_new/libsrc/occ/Partition_Inter3d.cxx.orig
+--- netgen-4.5_orig/libsrc/occ/Partition_Inter3d.cxx.orig 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/Partition_Inter3d.cxx.orig 2010-06-23 13:19:48.000000000 +0400
+@@ -0,0 +1,943 @@
++#ifdef OCCGEOMETRY
++
++// GEOM PARTITION : partition algorithm
++//
++// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
++// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
++//
++// This library is free software; you can redistribute it and/or
++// modify it under the terms of the GNU Lesser General Public
++// License as published by the Free Software Foundation; either
++// version 2.1 of the License.
++//
++// This library is distributed in the hope that it will be useful,
++// but WITHOUT ANY WARRANTY; without even the implied warranty of
++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++// Lesser General Public License for more details.
++//
++// You should have received a copy of the GNU Lesser General Public
++// License along with this library; if not, write to the Free Software
++// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++//
++// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
++//
++//
++//
++// File : Partition_Inter3d.cxx
++// Author : Benedicte MARTIN
++// Module : GEOM
++// $Header$
++
++//using namespace std;
++#include "Partition_Inter2d.hxx"
++#include "Partition_Inter3d.ixx"
++#include "utilities.h"
++
++#include <BRepAlgo_AsDes.hxx>
++#include <BRepAlgo_Image.hxx>
++#include <BRepLib.hxx>
++#include <BRepOffset_Tool.hxx>
++#include <BRep_Builder.hxx>
++#include <BRep_Tool.hxx>
++
++#include <TopExp.hxx>
++#include <TopExp_Explorer.hxx>
++
++#include <TopOpeBRepTool_BoxSort.hxx>
++#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
++#include <TopTools_ListIteratorOfListOfShape.hxx>
++#include <TopTools_ListOfShape.hxx>
++#include <TopoDS.hxx>
++#include <TopoDS_Compound.hxx>
++#include <TopoDS_Edge.hxx>
++#include <TopoDS_Face.hxx>
++#include <TopoDS_Vertex.hxx>
++
++#ifdef DEB
++#include <DBRep.hxx>
++#endif
++
++#include <BRepLib_MakeVertex.hxx>
++#include <BRepTools.hxx>
++#include <Extrema_ExtPS.hxx>
++#include <Extrema_POnSurf.hxx>
++#include <Geom2dAPI_ProjectPointOnCurve.hxx>
++#include <Geom2d_Curve.hxx>
++#include <GeomAPI_ProjectPointOnCurve.hxx>
++#include <GeomAdaptor_Surface.hxx>
++#include <Geom_Curve.hxx>
++#include <Geom_RectangularTrimmedSurface.hxx>
++#include <Geom_SphericalSurface.hxx>
++#include <Geom_Surface.hxx>
++#include <Geom_TrimmedCurve.hxx>
++#include <Precision.hxx>
++#include <TColStd_MapOfInteger.hxx>
++#include <TopOpeBRepBuild_Builder.hxx>
++#include <TopOpeBRepDS_BuildTool.hxx>
++#include <TopOpeBRepDS_CurveExplorer.hxx>
++#include <TopOpeBRepDS_HDataStructure.hxx>
++#include <TopOpeBRepDS_Interference.hxx>
++#include <TopOpeBRepDS_PointIterator.hxx>
++#include <TopOpeBRepDS_Transition.hxx>
++#include <TopOpeBRepTool_CurveTool.hxx>
++#include <TopOpeBRepTool_GeomTool.hxx>
++#include <TopOpeBRepTool_OutCurveType.hxx>
++#include <TopOpeBRep_DSFiller.hxx>
++#include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
++#include <stdio.h>
++
++//=======================================================================
++//function : Partition_Inter3d
++//purpose :
++//=======================================================================
++
++Partition_Inter3d::Partition_Inter3d()
++{
++}
++//=======================================================================
++//function : Partition_Inter3d
++//purpose :
++//=======================================================================
++
++Partition_Inter3d::Partition_Inter3d(const Handle(BRepAlgo_AsDes)& AsDes)
++ :myAsDes(AsDes)
++{
++ mySectionEdgesAD = new BRepAlgo_AsDes;
++}
++
++//=======================================================================
++//function : CompletPart3d
++//purpose : FaceShapeMap is just to know the shape a face belongs to
++//=======================================================================
++
++void Partition_Inter3d::CompletPart3d(const TopTools_ListOfShape& SetOfFaces1,
++ const TopTools_DataMapOfShapeShape& FaceShapeMap)
++{
++ if (myAsDes.IsNull())
++ myAsDes = new BRepAlgo_AsDes;
++
++ TopTools_ListIteratorOfListOfShape it;
++
++ //---------------------------------------------------------------
++ // Construction of bounding boxes.
++ //---------------------------------------------------------------
++
++ BRep_Builder B;
++ TopoDS_Compound CompOS;
++ B.MakeCompound(CompOS);
++ for (it.Initialize(SetOfFaces1); it.More(); it.Next())
++ B.Add(CompOS, it.Value());
++
++ TopOpeBRepTool_BoxSort BOS;
++ BOS.AddBoxesMakeCOB(CompOS,TopAbs_FACE);
++
++ for (it.Initialize(SetOfFaces1); it.More(); it.Next()) {
++ TopoDS_Face F1 = TopoDS::Face(it.Value());
++
++ // avoid intersecting faces of one shape
++ TopoDS_Shape S1;
++ if (FaceShapeMap.IsBound(F1)) S1 = FaceShapeMap.Find(F1);
++
++ // to filter faces sharing an edge
++ TopTools_IndexedMapOfShape EM;
++ TopExp::MapShapes( F1, TopAbs_EDGE, EM);
++
++ TColStd_ListIteratorOfListOfInteger itLI = BOS.Compare(F1);
++ for (; itLI.More(); itLI.Next()) {
++ TopoDS_Face F2 = TopoDS::Face(BOS.TouchedShape(itLI));
++ if (F1.IsSame(F2) || IsDone(F1,F2))
++ continue;
++
++ TopoDS_Shape S2;
++ if (FaceShapeMap.IsBound(F2)) S2 = FaceShapeMap.Find(F2);
++ if (!S1.IsNull() && S1.IsSame(S2))
++ continue; // descendants of one shape
++
++ TopExp_Explorer expE (F2, TopAbs_EDGE);
++ for ( ; expE.More(); expE.Next())
++ if (EM.Contains( expE.Current() ))
++ break;
++ if (expE.More())
++ {
++ // faces have a common edge, check if they are a tool and a face
++ // generated by the tool in another shape; in that case they are
++ // to be intersected
++ TopLoc_Location L1, L2;
++ Handle(Geom_Surface) S1 = BRep_Tool::Surface( F1, L1 );
++ Handle(Geom_Surface) S2 = BRep_Tool::Surface( F2, L2 );
++ if ( S1 != S2 || L1 != L2 )
++ continue;
++ }
++
++ F1.Orientation(TopAbs_FORWARD);
++ F2.Orientation(TopAbs_FORWARD);
++ FacesPartition(F1,F2);
++ }
++
++ // mark as modified a face which has at least one new edge
++ if (!myAsDes->HasDescendant( F1 ))
++ continue;
++ TopTools_ListIteratorOfListOfShape itE (myAsDes->Descendant( F1 ));
++ for ( ; itE.More(); itE.Next()) {
++ if (myNewEdges.Contains( itE.Value())) {
++ myTouched.Add( F1 );
++ break;
++ }
++ }
++ }
++}
++
++//=======================================================================
++//function : PutInBounds
++//purpose :
++//=======================================================================
++
++static void PutInBounds (const TopoDS_Face& F,
++ const TopoDS_Edge& E,
++ Handle(Geom2d_Curve)& C2d)
++{
++ Standard_Real umin,umax,vmin,vmax;
++ Standard_Real f,l;
++ BRep_Tool::Range(E,f,l);
++
++ TopLoc_Location L; // Recup S avec la location pour eviter la copie.
++ Handle (Geom_Surface) S = BRep_Tool::Surface(F,L);
++
++ if (S->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
++ S = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface();
++ }
++ if (!S->IsUPeriodic() && !S->IsVPeriodic())
++ return;
++
++ BRepTools::UVBounds(F,umin,umax,vmin,vmax);
++
++ gp_Pnt2d Pf = C2d->Value(f);
++ gp_Pnt2d Pl = C2d->Value(l);
++ const Standard_Real Um = 0.34*f + 0.66*l;
++ gp_Pnt2d Pm = C2d->Value( Um );
++
++ // sometimes on shpere, pcurve is out of domain by V though S is
++ // UPeriodic, sometimes it is in domain but nontheless it has
++ // wrong position.
++ // Check pcurve position by 3D point
++ if (S->IsKind(STANDARD_TYPE( Geom_SphericalSurface )))
++ {
++ // get point on the surface
++ gp_Pnt Ps = S->Value( Pm.X(), Pm.Y() );
++ // get point on the edge
++ Handle(Geom_Curve) C = BRep_Tool::Curve( E, f, l );
++ gp_Pnt Pc = C->Value( Um );
++ // compare points
++ Standard_Real TolE = BRep_Tool::Tolerance( E );
++ if ( Pc.SquareDistance( Ps ) * 0.95 < TolE * TolE )
++ return; // OK
++
++ // find good UV for Pc: project Pc on S
++ GeomAdaptor_Surface SA (S);
++ Extrema_ExtPS anExtPS (Pc, SA,
++ SA.UResolution( TolE ), SA.VResolution( TolE ));
++ if (anExtPS.IsDone())
++ {
++ Standard_Integer i, nbExt = anExtPS.NbExt();
++ Extrema_POnSurf aPOnSurf;
++ for (i = 1; i <= nbExt; ++i )
++ if (anExtPS.Value( i ) <= TolE) {
++ aPOnSurf = anExtPS.Point( i );
++ break;
++ }
++ if (i <= nbExt) {
++ // a point found
++ Standard_Real u, v;
++ aPOnSurf.Parameter( u, v );
++ gp_Pnt2d aGoodPm ( u, v );
++ C2d->Translate( Pm , aGoodPm );
++ }
++ }
++ }
++
++ //---------------
++ // Recadre en U.
++ //---------------
++ if (S->IsUPeriodic()) {
++ Standard_Real period = S->UPeriod();
++ Standard_Real eps = period*1.e-6;
++ Standard_Real minC = Min(Pf.X(),Pl.X()); minC = Min(minC,Pm.X());
++ Standard_Real maxC = Max(Pf.X(),Pl.X()); maxC = Max(maxC,Pm.X());
++ Standard_Real du = 0.;
++ if (minC< umin - eps) {
++ du = (int((umin - minC)/period) + 1)*period;
++ }
++ if (minC > umax + eps) {
++ du = -(int((minC - umax)/period) + 1)*period;
++ }
++ if (du != 0) {
++ gp_Vec2d T1(du,0.);
++ C2d->Translate(T1);
++ minC += du; maxC += du;
++ }
++ // Ajuste au mieux la courbe dans le domaine.
++ if (maxC > umax +100*eps) {
++ Standard_Real d1 = maxC - umax;
++ Standard_Real d2 = umin - minC + period;
++ if (d2 < d1) du =-period;
++ if ( du != 0.) {
++ gp_Vec2d T2(du,0.);
++ C2d->Translate(T2);
++ }
++ }
++ }
++ //------------------
++ // Recadre en V.
++ //------------------
++ if (S->IsVPeriodic()) {
++ Standard_Real period = S->VPeriod();
++ Standard_Real eps = period*1.e-6;
++ Standard_Real minC = Min(Pf.Y(),Pl.Y()); minC = Min(minC,Pm.Y());
++ Standard_Real maxC = Max(Pf.Y(),Pl.Y()); maxC = Max(maxC,Pm.Y());
++ Standard_Real dv = 0.;
++ if (minC< vmin - eps) {
++ dv = (int((vmin - minC)/period) + 1)*period;
++ }
++ if (minC > vmax + eps) {
++ dv = -(int((minC - vmax)/period) + 1)*period;
++ }
++ if (dv != 0) {
++ gp_Vec2d T1(0.,dv);
++ C2d->Translate(T1);
++ minC += dv; maxC += dv;
++ }
++ // Ajuste au mieux la courbe dans le domaine.
++ if (maxC > vmax +100*eps) {
++ Standard_Real d1 = maxC - vmax;
++ Standard_Real d2 = vmin - minC + period;
++ if (d2 < d1) dv =-period;
++ if ( dv != 0.) {
++ gp_Vec2d T2(0.,dv);
++ C2d->Translate(T2);
++ }
++ }
++ }
++}
++
++//=======================================================================
++//function : Inter3D
++//purpose :
++//=======================================================================
++
++void Partition_Inter3d::Inter3D(const TopoDS_Face& F1,
++ const TopoDS_Face& F2,
++ TopTools_ListOfShape& L)
++{
++ BRep_Builder B;
++
++ // fill the data Structure
++ Handle(TopOpeBRepDS_HDataStructure) DatStr = new TopOpeBRepDS_HDataStructure();
++ TopOpeBRep_DSFiller DSFiller;
++ DSFiller.Insert(F1,F2,DatStr);
++
++ // define the GeomTool used by the DSFiller :
++ // compute BSpline of degree 1 on intersection curves.
++ Standard_Real tol3dAPPROX = 1e-7;
++ Standard_Real tol2dAPPROX = 1e-7;
++ TopOpeBRepTool_GeomTool GT2 (TopOpeBRepTool_APPROX);
++ GT2.SetTolerances(tol3dAPPROX,tol2dAPPROX);
++ TopOpeBRepDS_BuildTool BT(GT2);
++
++ // Perform Section
++ TopOpeBRepBuild_Builder TopB(BT);
++ TopB.Perform(DatStr);
++
++ // ===============
++ // Store new edges
++ // ===============
++
++ L.Clear();
++ TopOpeBRepDS_CurveExplorer cex(DatStr->DS());
++ for (; cex.More(); cex.Next()) {
++ const TopOpeBRepDS_Curve& CDS = cex.Curve();
++ Standard_Integer ic = cex.Index();
++ Handle(Geom2d_Curve) pc1 = CDS.Curve1();
++ Handle(Geom2d_Curve) pc2 = CDS.Curve2();
++
++ TopTools_ListIteratorOfListOfShape itLE = TopB.NewEdges(ic);
++ while (itLE.More()) {
++ TopoDS_Edge E = TopoDS::Edge(itLE.Value());
++
++ PutInBounds (F1,E,pc1);
++ PutInBounds (F2,E,pc2);
++
++ B.UpdateEdge (E,pc1,F1,0.);
++ B.UpdateEdge (E,pc2,F2,0.);
++
++ L.Append (E);
++
++ itLE.Next();
++ if (itLE.More()) {
++ pc1 = Handle(Geom2d_Curve)::DownCast(pc1->Copy());
++ pc2 = Handle(Geom2d_Curve)::DownCast(pc2->Copy());
++ }
++ }
++ }
++
++ // ========================
++ // store same domain faces
++ // ========================
++
++
++ if ( DatStr->HasSameDomain( F1 ))
++ {
++ TopTools_ListOfShape emptyList;
++ if (!mySameDomainFM.IsBound(F1))
++ mySameDomainFM.Bind(F1,emptyList);
++ if (!mySameDomainFM.IsBound(F2))
++ mySameDomainFM.Bind(F2,emptyList);
++ mySameDomainFM(F1).Append(F2);
++ mySameDomainFM(F2).Append(F1);
++ }
++
++ // ====================
++ // Store section edges
++ // ====================
++
++ const TopOpeBRepDS_DataStructure& DS = DatStr->DS();
++ Standard_Integer j,i,nse = DS.NbSectionEdges();
++ if (nse == 0) return;
++
++
++ TopoDS_Vertex V, sdeV1, sdeV2;
++ TopTools_MapOfShape MV;
++ TopTools_ListOfShape LSE; // list of section edges
++ TopoDS_Face dummyF;
++
++ for (i = 1; i <= nse; i++)
++ {
++ const TopoDS_Edge & se = DS.SectionEdge(i);
++ if (! TopB.IsSplit(se,TopAbs_ON))
++ continue;
++ LSE.Append( se );
++
++ // add vertices where section edges interferes with other
++ // edges as its descendant in myAsDes
++
++ TopoDS_Edge sde, oe; // same domain, other edge
++ if (DatStr->HasSameDomain(se)) {
++ sde = TopoDS::Edge( DatStr->SameDomain(se).Value() );
++ TopExp::Vertices( sde, sdeV1, sdeV2);
++ }
++ TColStd_MapOfInteger MIV; // indices of added edges
++ TopOpeBRepDS_PointIterator itP (DS.ShapeInterferences( se ));
++ itP.SupportKind( TopOpeBRepDS_EDGE );
++ // loop on intersections of se
++ for (; itP.More(); itP.Next()) {
++ oe = TopoDS::Edge( DS.Shape( itP.Support()));
++ if (itP.IsVertex()) {
++ // there is a vertex at intersection
++ if ( !MIV.Add( itP.Current() ))
++ continue;
++ V = TopoDS::Vertex( DS.Shape( itP.Current()));
++ if ( !sde.IsNull() && (V.IsSame(sdeV1) || V.IsSame(sdeV2)) )
++ oe = sde;
++ V = ReplaceSameDomainV( V , oe );
++ V.Orientation( TopAbs_INTERNAL);
++ B.UpdateVertex( V, itP.Parameter(), se, 0.); // AddVonE() sets real U
++ }
++ else {
++ // create a new vertex at the intersection point
++ const TopOpeBRepDS_Point& DSP = DS.Point( itP.Current());
++ V = BRepLib_MakeVertex( DSP.Point() );
++ V.Orientation( TopAbs_INTERNAL);
++ B.UpdateVertex( V, itP.Parameter(), se, DSP.Tolerance());
++ // make V be on the other edge
++ TopOpeBRepDS_PointIterator itOP (DS.ShapeInterferences( oe ));
++ for (; itOP.More(); itOP.Next()) {
++ const TopOpeBRepDS_Point& ODSP = DS.Point( itOP.Current());
++ if ( DSP.IsEqual (ODSP)) {
++ B.UpdateVertex( V, itOP.Parameter(), TopoDS::Edge(oe), ODSP.Tolerance());
++ break;
++ }
++ }
++ }
++ // add V on the both intersecting edges
++ TopoDS_Vertex addedV = Partition_Inter2d::AddVonE( V,se,oe,myAsDes,dummyF);
++ if (!addedV.IsSame( V ))
++ mySameDomainVM.Bind (V, addedV); // equal vertex is already there
++
++ MV.Add( addedV ); // to ease storage of vertices of ON splits
++ }
++ }
++
++ // add section edge to the face it intersects and find
++ // splits ON that do not have same domain pair
++
++ TopB.SplitSectionEdges(); // let TopB find ON splits
++
++ TopTools_MapOfShape SPM; // map of ON splits
++ TopTools_IndexedMapOfShape ME[2];
++ TopExp::MapShapes( F1, TopAbs_EDGE, ME[1]);
++ TopExp::MapShapes( F2, TopAbs_EDGE, ME[0]);
++
++ TopTools_ListIteratorOfListOfShape itSP, itLSE (LSE);
++ while ( itLSE.More() ) {
++
++ TopoDS_Edge se = TopoDS::Edge( itLSE.Value() );
++
++ // move itLSE to the next se
++ Standard_Integer ancRank = DS.AncestorRank(se);
++ if (ME[ancRank-1].Contains( se ))
++ {
++ LSE.Remove( itLSE ); // se is an edge of face it intersects
++ continue;
++ }
++ else
++ {
++ itLSE.Next();
++ }
++
++ const TopoDS_Face& F = (ancRank == 1) ? F2 : F1;
++
++ // add se to face but dont add twice
++ TopTools_ListIteratorOfListOfShape itE( myAsDes->Descendant( F ));
++ if (myAsDes->HasDescendant( F )) {
++ for ( ; itE.More(); itE.Next())
++ if (se.IsSame( itE.Value() ))
++ break;
++ }
++ if (!itE.More())
++ {
++ myAsDes->Add( F, se );
++
++ // check se pcurve on F
++ Standard_Real tol, f,l, umin=1e100, umax=-1e100;
++ Handle(Geom2d_Curve) pc = BRep_Tool::CurveOnSurface( se, F, f,l);
++ if (pc.IsNull()) {
++ itSP.Initialize( TopB.Splits(se,TopAbs_ON) );
++ for ( ; itSP.More(); itSP.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge ( itSP.Value());
++ BRep_Tool::Range(E, f, l);
++ umin = Min( umin, f);
++ umax = Max( umax, l);
++ }
++ Handle(Geom_Curve) C3d = BRep_Tool::Curve( se, f, l);
++ if (umin < umax) // sometimes umin == umax for closed edge
++ C3d = new Geom_TrimmedCurve( C3d, umin, umax);
++ pc = TopOpeBRepTool_CurveTool::MakePCurveOnFace (F,C3d,tol);
++ if (pc.IsNull()) {
++ MESSAGE (" CANT BUILD PCURVE ");
++ }
++ B.UpdateEdge( se, pc, F, tol);
++ }
++ }
++
++ // to detect splits that do not have same domain pair
++ // ie which split a face into parts and not pass by its boundary
++ itSP.Initialize( TopB.Splits(se,TopAbs_ON) );
++ for ( ; itSP.More(); itSP.Next()) {
++ const TopoDS_Shape& SP = itSP.Value();
++ if (!SPM.Add( SP ))
++ SPM.Remove( SP );
++ }
++ }
++
++ // store vertices of ON splits and bind section edges to faces
++
++ for (itLSE.Initialize (LSE); itLSE.More(); itLSE.Next())
++ {
++ const TopoDS_Shape& se = itLSE.Value();
++
++ Standard_Integer ancRank = DS.AncestorRank(se);
++ TopoDS_Face F = (ancRank == 1) ? F2 : F1;
++
++ // add vertices of ON splits which have no same domain pair
++ Standard_Boolean added = Standard_False;
++ itSP.Initialize( TopB.Splits(se,TopAbs_ON) );
++ for ( ; itSP.More(); itSP.Next())
++ {
++ if (!SPM.Contains( itSP.Value() ))
++ continue;
++
++ const TopoDS_Edge& S = TopoDS::Edge ( itSP.Value());
++
++ added = Standard_True;
++ mySectionEdgesAD->Add( F, se );
++
++ TopoDS_Vertex VS[2];
++ TopExp::Vertices (S, VS[0], VS[1]);
++ for (j=0; j<2; ++j)
++ {
++ if (mySameDomainVM.IsBound( VS[j] ))
++ VS[j] = TopoDS::Vertex( mySameDomainVM( VS[j] ));
++ if ( !MV.Contains( VS[j] )) {
++ // find equal vertex on se - point interference
++ gp_Pnt P1 = BRep_Tool::Pnt( VS[j] );
++ TopTools_ListIteratorOfListOfShape itV( myAsDes->Descendant(se) );
++ for (; itV.More(); itV.Next()) {
++ V = TopoDS::Vertex( itV.Value() );
++ if ( V.IsSame( VS[j] ))
++ break;
++ gp_Pnt P2 = BRep_Tool::Pnt( V );
++ if (P1.IsEqual( P2, Precision::Confusion())) {
++ mySameDomainVM.Bind (VS[j], V);
++ VS[j] = V;
++ break;
++ }
++ }
++ if (!itV.More()) // no interferences with edges
++ myAsDes->Add( se, VS[j]);
++ }
++
++ // add ends of ON splits to F in order to detect later
++ // if a split is on face in IsSplitOn()
++ mySectionEdgesAD->Add( F, VS[j]);
++ }
++ // in the descendants of F, first go ends of an ON split and
++ // then a split itself
++ mySectionEdgesAD->Add( F, S );
++ }
++ if (!added)
++ mySectionEdgesAD->Add( F, se );
++
++ myNewEdges.Add( se );
++ }
++}
++
++//=======================================================================
++//function : FacesPartition
++//purpose :
++//=======================================================================
++
++void Partition_Inter3d::FacesPartition(const TopoDS_Face& F1,
++ const TopoDS_Face& F2)
++ //(const TopTools_DataMapOfShapeListOfShape& /*SetOfFaces2*/)
++{
++ TopTools_ListOfShape LInt;
++
++ Inter3D (F1,F2,LInt);
++
++ StorePart3d (F1,F2,LInt);
++}
++
++//=======================================================================
++//function : SetDone
++//purpose :
++//=======================================================================
++
++void Partition_Inter3d::SetDone(const TopoDS_Face& F1,
++ const TopoDS_Face& F2)
++{
++ if (!myDone.IsBound(F1)) {
++ TopTools_ListOfShape emptyList;
++ myDone.Bind(F1,emptyList);
++ }
++ myDone(F1).Append(F2);
++ if (!myDone.IsBound(F2)) {
++ TopTools_ListOfShape emptyList;
++ myDone.Bind(F2,emptyList);
++ }
++ myDone(F2).Append(F1);
++}
++
++//=======================================================================
++//function : IsDone
++//purpose :
++//=======================================================================
++
++Standard_Boolean Partition_Inter3d::IsDone(const TopoDS_Face& F1,
++ const TopoDS_Face& F2)
++
++ const
++{
++ if (myDone.IsBound(F1)) {
++ TopTools_ListIteratorOfListOfShape it (myDone(F1));
++ for (; it.More(); it.Next()) {
++ if (it.Value().IsSame(F2)) return Standard_True;
++ }
++ }
++ return Standard_False;
++}
++
++//=======================================================================
++//function : StorePart3d
++//purpose :
++//=======================================================================
++
++void Partition_Inter3d::StorePart3d(const TopoDS_Face& F1,
++ const TopoDS_Face& F2,
++ const TopTools_ListOfShape& LInt)
++{
++ if (!LInt.IsEmpty()) {
++ myAsDes->Add( F1,LInt);
++ myAsDes->Add( F2,LInt);
++
++ TopTools_ListIteratorOfListOfShape it(LInt);
++ for (; it.More(); it.Next()) {
++
++ TopoDS_Edge E = TopoDS::Edge(it.Value());
++
++ BRep_Builder B;
++ B.SameParameter(E,Standard_False);
++ BRepLib::SameParameter(E,1.0e-7);
++
++ myNewEdges.Add(E);
++ }
++ }
++ SetDone(F1,F2);
++}
++
++//=======================================================================
++//function : TouchedFaces
++//purpose :
++//=======================================================================
++
++TopTools_MapOfShape& Partition_Inter3d::TouchedFaces()
++{
++ return myTouched;
++}
++
++//=======================================================================
++//function : AsDes
++//purpose :
++//=======================================================================
++
++Handle(BRepAlgo_AsDes) Partition_Inter3d::AsDes() const
++{
++ return myAsDes;
++}
++
++//=======================================================================
++//function : NewEdges
++//purpose :
++//=======================================================================
++
++TopTools_MapOfShape& Partition_Inter3d::NewEdges()
++{
++ return myNewEdges;
++}
++
++//=======================================================================
++//function : Affiche
++//purpose :
++//=======================================================================
++
++void Partition_Inter3d::Affiche(const TopTools_ListOfShape& SetOfFaces) const
++{
++#ifdef DEB
++ char PSection[1024];
++ char *section=PSection;
++ Standard_Integer i = 0;
++ Standard_Real j=1;
++ TopTools_ListOfShape aList;
++ TopTools_ListIteratorOfListOfShape it;
++ for (it.Initialize(SetOfFaces); it.More(); it.Next()) {
++ const TopoDS_Shape& OS = it.Value();
++ aList=myAsDes->Descendant(OS);
++ MESSAGE ( " the number of items stored in the list " << j << " : " << aList.Extent() )
++ j++;
++ TopTools_ListIteratorOfListOfShape itaList;
++ for (itaList.Initialize(aList); itaList.More(); itaList.Next()) {
++ const TopoDS_Shape& SS = itaList.Value();
++ i++;
++ sprintf(PSection,"section_%d",i);
++ DBRep::Set(section,SS);
++ }
++ }
++#endif
++}
++
++//=======================================================================
++//function : SameDomain
++//purpose :
++//=======================================================================
++
++const TopTools_ListOfShape& Partition_Inter3d::SameDomain(const TopoDS_Face& F) const
++{
++ if (mySameDomainFM.IsBound( F ))
++ return mySameDomainFM (F);
++
++ static TopTools_ListOfShape emptyList;
++ return emptyList;
++}
++
++//=======================================================================
++//function : HasSameDomainF
++//purpose : Return true if F has same domain faces
++//=======================================================================
++
++Standard_Boolean Partition_Inter3d::HasSameDomainF(const TopoDS_Shape& F) const
++{
++ return mySameDomainFM.IsBound( F );
++}
++
++//=======================================================================
++//function : IsSameDomain
++//purpose : Return true if F1 and F2 are same domain faces
++//=======================================================================
++
++Standard_Boolean Partition_Inter3d::IsSameDomainF(const TopoDS_Shape& F1,
++ const TopoDS_Shape& F2) const
++{
++ if (mySameDomainFM.IsBound( F1 )) {
++ TopTools_ListIteratorOfListOfShape it (mySameDomainFM( F1 ));
++ for (; it.More(); it.Next())
++ if (F2.IsSame( it.Value()))
++ return Standard_True;
++ }
++ return F1.IsSame( F2 );
++}
++
++//=======================================================================
++//function : ReplaceSameDomainV
++//purpose : return same domain vertex of V if it was replaced
++// and make this vertex to be on E too, else return V
++//=======================================================================
++
++TopoDS_Vertex Partition_Inter3d::ReplaceSameDomainV(const TopoDS_Vertex& V,
++ const TopoDS_Edge& E) const
++{
++ TopoDS_Vertex SDV = V;
++ if (mySameDomainVM.IsBound( V )) {
++
++ TopoDS_Vertex V1,V2;
++ TopExp::Vertices(E,V1,V2);
++ Standard_Boolean isClosed = V1.IsSame( V2 ) && V.IsSame(V1);
++
++ SDV = TopoDS::Vertex( mySameDomainVM(V) );
++ Standard_Real tol = BRep_Tool::Tolerance( V );
++ BRep_Builder B;
++ SDV.Orientation( V.Orientation());
++
++ if (isClosed) {
++ Standard_Real f, l;
++ BRep_Tool::Range (E, f, l);
++ Standard_Boolean isFirst = IsEqual( BRep_Tool::Parameter(V,E), f );
++ B.UpdateVertex(SDV, (isFirst ? f : l), E, tol);
++ SDV.Reverse();
++ B.UpdateVertex(SDV, (isFirst ? l : f), E, tol);
++ }
++ else
++ B.UpdateVertex (SDV, BRep_Tool::Parameter(V,E), E, tol);
++
++ }
++ return SDV;
++}
++
++//=======================================================================
++//function : SectionEdgesAD
++//purpose :
++//=======================================================================
++
++Handle(BRepAlgo_AsDes) Partition_Inter3d::SectionEdgesAD() const
++{
++ return mySectionEdgesAD;
++}
++
++//=======================================================================
++//function : IsSectionEdge
++//purpose : return True if E is an edge of a face and it
++// intersects an other face
++//=======================================================================
++
++Standard_Boolean
++ Partition_Inter3d::IsSectionEdge(const TopoDS_Edge& E) const
++{
++ return mySectionEdgesAD->HasAscendant(E);
++}
++
++//=======================================================================
++//function : HasSectionEdge
++//purpose : return True if an edge of F intersects an other
++// face or F is intersected by edge of an other face
++//=======================================================================
++
++Standard_Boolean
++ Partition_Inter3d::HasSectionEdge(const TopoDS_Face& F) const
++{
++ return mySectionEdgesAD->HasDescendant(F);
++}
++
++//=======================================================================
++//function : IsSplitOn
++//purpose : return True if NewE is split of OldE on F
++//=======================================================================
++
++Standard_Boolean
++ Partition_Inter3d::IsSplitOn(const TopoDS_Edge& NewE,
++ const TopoDS_Edge& OldE,
++ const TopoDS_Face& F) const
++{
++ if (! mySectionEdgesAD->HasDescendant(F))
++ return Standard_False;
++
++ TopTools_ListIteratorOfListOfShape itE ( mySectionEdgesAD->Descendant(F) );
++ for ( ; itE.More(); itE.Next()) {
++ if ( itE.Value().ShapeType() != TopAbs_EDGE ||
++ ! OldE.IsSame ( itE.Value() ))
++ continue;
++ // an edge encountered, its vertices and a split come next
++ itE.Next();
++ if (!itE.More()) break;
++ const TopoDS_Shape& V3 = itE.Value();
++ if (V3.ShapeType() != TopAbs_VERTEX) continue;
++ itE.Next();
++ if (!itE.More()) break;
++ const TopoDS_Shape& V4 = itE.Value();
++ if (V4.ShapeType() != TopAbs_VERTEX) continue;
++
++ TopoDS_Vertex V1, V2;
++ TopExp::Vertices( OldE, V1, V2);
++
++ if ( V1.IsSame(V2) &&
++ (V1.IsSame(V3) || V1.IsSame(V4)) ) {
++ // closed old edge; use the split for the test
++ itE.Next();
++ if (!itE.More()) break;
++ const TopoDS_Edge& split = TopoDS::Edge( itE.Value() );
++ // check distance at middle point of NewE
++ Standard_Real f1,l1, f2,l2;
++ Handle(Geom2d_Curve) PC1 = BRep_Tool::CurveOnSurface( split, F ,f1,l1);
++ if (!PC1.IsNull()) {
++ Handle(Geom2d_Curve) PC2 = BRep_Tool::CurveOnSurface(NewE, F ,f2,l2);
++ gp_Pnt2d P = PC2->Value( 0.5*(f2+l2) );
++ Geom2dAPI_ProjectPointOnCurve proj (P, PC1, f1, l1);
++ if (proj.NbPoints() &&
++ proj.LowerDistance() <= Precision::Confusion())
++ return Standard_True;
++ }
++ else {
++ Handle(Geom_Curve) C1 = BRep_Tool::Curve( split ,f1,l1);
++ Handle(Geom_Curve) C2 = BRep_Tool::Curve( NewE ,f2,l2);
++ gp_Pnt P = C2->Value( 0.5*(f2+l2) );
++ GeomAPI_ProjectPointOnCurve proj (P, C1, f1, l1);
++ if (proj.NbPoints() &&
++ proj.LowerDistance() <= Precision::Confusion())
++ return Standard_True;
++ }
++ }
++ else {
++ Standard_Real u3 = BRep_Tool::Parameter( TopoDS::Vertex(V3), OldE);
++ Standard_Real u4 = BRep_Tool::Parameter( TopoDS::Vertex(V4), OldE);
++
++ Standard_Real f,l, u;
++ BRep_Tool::Range( NewE, f,l);
++ u = 0.5*(f+l);
++ f = Min(u3,u4);
++ l = Max(u3,u4);
++
++ if (u <= l && u >= f)
++ return Standard_True;
++ }
++ }
++ return Standard_False;
++}
++
++//=======================================================================
++//function : SectionEdgeFaces
++//purpose : return faces cut by section edge
++//=======================================================================
++
++const TopTools_ListOfShape&
++ Partition_Inter3d::SectionEdgeFaces(const TopoDS_Edge& SecE) const
++{
++ return mySectionEdgesAD->Ascendant( SecE );
++}
++
++#endif
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Loop.cxx netgen-4.5_new/libsrc/occ/Partition_Loop.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Loop.cxx 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Loop.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -29,12 +29,14 @@
+ // $Header$
+
+ //using namespace std;
+-#include <stdio.h>
+
+-#include "Partition_Loop.ixx"
+
+ #include "utilities.h"
+
++#include <stdio.h>
++
++#include "Partition_Loop.ixx"
++
+ #include <BRep_Builder.hxx>
+ #include <BRepAlgo_FaceRestrictor.hxx>
+ #include <BRep_Tool.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Loop.cxx.orig netgen-4.5_new/libsrc/occ/Partition_Loop.cxx.orig
+--- netgen-4.5_orig/libsrc/occ/Partition_Loop.cxx.orig 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/Partition_Loop.cxx.orig 2010-06-23 13:19:48.000000000 +0400
+@@ -0,0 +1,472 @@
++#ifdef OCCGEOMETRY
++
++// GEOM PARTITION : partition algorithm
++//
++// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
++// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
++//
++// This library is free software; you can redistribute it and/or
++// modify it under the terms of the GNU Lesser General Public
++// License as published by the Free Software Foundation; either
++// version 2.1 of the License.
++//
++// This library is distributed in the hope that it will be useful,
++// but WITHOUT ANY WARRANTY; without even the implied warranty of
++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++// Lesser General Public License for more details.
++//
++// You should have received a copy of the GNU Lesser General Public
++// License along with this library; if not, write to the Free Software
++// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++//
++// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
++//
++//
++//
++// File : Partition_Loop.cxx
++// Author : Benedicte MARTIN
++// Module : GEOM
++// $Header$
++
++//using namespace std;
++#include <stdio.h>
++
++#include "Partition_Loop.ixx"
++
++#include "utilities.h"
++
++#include <BRep_Builder.hxx>
++#include <BRepAlgo_FaceRestrictor.hxx>
++#include <BRep_Tool.hxx>
++
++#include <Geom2d_Curve.hxx>
++#include <Geom_Surface.hxx>
++
++#include <TopTools_SequenceOfShape.hxx>
++#include <TopTools_ListIteratorOfListOfShape.hxx>
++#include <TopTools_MapOfShape.hxx>
++#include <TopTools_MapIteratorOfMapOfShape.hxx>
++#include <TopTools_MapOfOrientedShape.hxx>
++#include <TopTools_DataMapOfShapeShape.hxx>
++#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
++
++#include <gp_Pnt.hxx>
++#include <gp_Pnt2d.hxx>
++
++#include <TopoDS.hxx>
++#include <TopoDS_Vertex.hxx>
++#include <TopoDS_Wire.hxx>
++#include <TopoDS_Iterator.hxx>
++
++#include <Precision.hxx>
++#include <BRep_TVertex.hxx>
++#include <BRep_TEdge.hxx>
++
++#include <TopExp.hxx>
++#include <TopExp_Explorer.hxx>
++
++static char* name = new char[100];
++static int nbe = 0;
++
++//=======================================================================
++//function : Partition_Loop
++//purpose :
++//=======================================================================
++Partition_Loop::Partition_Loop()
++{
++}
++
++//=======================================================================
++//function : Init
++//purpose :
++//=======================================================================
++void Partition_Loop::Init(const TopoDS_Face& F)
++{
++ myConstEdges.Clear();
++ myNewWires .Clear();
++ myNewFaces .Clear();
++ myFace = F;
++}
++
++//=======================================================================
++//function : AddConstEdge
++//purpose :
++//=======================================================================
++void Partition_Loop::AddConstEdge (const TopoDS_Edge& E)
++{
++ myConstEdges.Append(E);
++}
++
++
++//=======================================================================
++//function : FindDelta
++//purpose :
++//=======================================================================
++static Standard_Real FindDelta(TopTools_ListOfShape& LE,
++ const TopoDS_Face& F)
++{
++ Standard_Real dist, f, l;
++ Standard_Real d = Precision::Infinite();
++ TopTools_ListIteratorOfListOfShape itl;
++
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(E,F,f,l);
++ gp_Pnt2d p = C->Value(f);
++ gp_Pnt2d pp = C->Value(l);
++ Standard_Real d1 = p.Distance(pp);
++ if (d1<d) { d=d1;}
++ }
++ dist = d ;
++ return dist;
++}
++
++//=======================================================================
++//function : SelectEdge
++//purpose : Find the edge <NE> connected <CE> by the vertex <CV> in the list <LE>.
++// <NE> Is erased of the list. If <CE> is too in the list <LE>
++// with the same orientation, it's erased of the list
++//=======================================================================
++static Standard_Boolean SelectEdge(const TopoDS_Face& F,
++ const TopoDS_Edge& CE,
++ const TopoDS_Vertex& CV,
++ TopoDS_Edge& NE,
++ TopTools_ListOfShape& LE)
++{
++ TopTools_ListIteratorOfListOfShape itl;
++ NE.Nullify();
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ if (itl.Value().IsEqual(CE)) {
++ LE.Remove(itl);
++ break;
++ }
++ }
++
++ if (LE.Extent() > 1) {
++ //--------------------------------------------------------------
++ // Several possible edges.
++ // - Test the edges differents of CE
++ //--------------------------------------------------------------
++ Standard_Real cf, cl, f, l;
++ TopoDS_Face FForward = F;
++ Handle(Geom2d_Curve) Cc, C;
++ FForward.Orientation(TopAbs_FORWARD);
++
++ Cc = BRep_Tool::CurveOnSurface(CE,FForward,cf,cl);
++ Standard_Real dist,distmin = 100*BRep_Tool::Tolerance(CV);
++ Standard_Real uc,u;
++ if (CE.Orientation () == TopAbs_FORWARD) uc = cl;
++ else uc = cf;
++
++ gp_Pnt2d P2,PV = Cc->Value(uc);
++
++ Standard_Real delta = FindDelta(LE,FForward);
++
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ if (!E.IsSame(CE)) {
++ C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
++ if (E.Orientation () == TopAbs_FORWARD) u = f;
++ else u = l;
++ P2 = C->Value(u);
++ dist = PV.Distance(P2);
++ if (dist <= distmin){
++ distmin = dist;
++ }
++
++ }
++ }
++
++ Standard_Real anglemax = - PI;
++ TopoDS_Edge SelectedEdge;
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ if (!E.IsSame(CE)) {
++ C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
++ if (E.Orientation () == TopAbs_FORWARD) u = f;
++ else u = l;
++ P2 = C->Value(u);
++ dist = PV.Distance(P2);
++ if (dist <= distmin + (1./3)*delta){
++ gp_Pnt2d PC, P;
++ gp_Vec2d CTg1, CTg2, Tg1, Tg2;
++ Cc->D2(uc, PC, CTg1, CTg2);
++ C->D2(u, P, Tg1, Tg2);
++
++ Standard_Real angle;
++
++ if (CE.Orientation () == TopAbs_REVERSED && E.Orientation () == TopAbs_FORWARD) {
++ angle = CTg1.Angle(Tg1.Reversed());
++ }
++ else if (CE.Orientation () == TopAbs_FORWARD && E.Orientation () == TopAbs_REVERSED) {
++ angle = (CTg1.Reversed()).Angle(Tg1);
++ }
++ else if (CE.Orientation () == TopAbs_REVERSED && E.Orientation () == TopAbs_REVERSED) {
++ angle = CTg1.Angle(Tg1);
++ }
++ else if (CE.Orientation () == TopAbs_FORWARD && E.Orientation () == TopAbs_FORWARD) {
++ angle = (CTg1.Reversed()).Angle(Tg1.Reversed());
++ }
++ if (angle >= anglemax) {
++ anglemax = angle ;
++ SelectedEdge = E;
++ }
++ }
++ }
++ }
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ if (E.IsEqual(SelectedEdge)) {
++ NE = TopoDS::Edge(E);
++ LE.Remove(itl);
++ break;
++ }
++ }
++ }
++ else if (LE.Extent() == 1) {
++ NE = TopoDS::Edge(LE.First());
++ LE.RemoveFirst();
++ }
++ else {
++ return Standard_False;
++ }
++ return Standard_True;
++}
++
++//=======================================================================
++//function : SamePnt2d
++//purpose :
++//=======================================================================
++static Standard_Boolean SamePnt2d(TopoDS_Vertex V,
++ TopoDS_Edge& E1,
++ TopoDS_Edge& E2,
++ TopoDS_Face& F)
++{
++ Standard_Real f1,f2,l1,l2;
++ gp_Pnt2d P1,P2;
++ TopoDS_Shape aLocalF = F.Oriented(TopAbs_FORWARD);
++ TopoDS_Face FF = TopoDS::Face(aLocalF);
++ Handle(Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E1,FF,f1,l1);
++ Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E2,FF,f2,l2);
++ if (E1.Orientation () == TopAbs_FORWARD) P1 = C1->Value(f1);
++ else P1 = C1->Value(l1);
++
++ if (E2.Orientation () == TopAbs_FORWARD) P2 = C2->Value(l2);
++ else P2 = C2->Value(f2);
++ Standard_Real Tol = 100*BRep_Tool::Tolerance(V);
++ Standard_Real Dist = P1.Distance(P2);
++ return Dist < Tol;
++}
++
++//=======================================================================
++//function : PurgeNewEdges
++//purpose :
++//=======================================================================
++static void PurgeNewEdges(TopTools_ListOfShape& ConstEdges,
++ const TopTools_MapOfOrientedShape& UsedEdges)
++{
++ TopTools_ListIteratorOfListOfShape it(ConstEdges);
++ while ( it.More()) {
++ const TopoDS_Shape& NE = it.Value();
++ if (!UsedEdges.Contains(NE)) {
++ ConstEdges.Remove(it);
++ }
++ else {
++ it.Next();
++ }
++ }
++}
++
++//=======================================================================
++//function : StoreInMVE
++//purpose :
++//=======================================================================
++static void StoreInMVE (const TopoDS_Face& F,
++ TopoDS_Edge& E,
++ TopTools_DataMapOfShapeListOfShape& MVE )
++
++{
++ TopoDS_Vertex V1, V2;
++ TopTools_ListOfShape Empty;
++
++ TopExp::Vertices(E,V1,V2);
++ if (!MVE.IsBound(V1)) {
++ MVE.Bind(V1,Empty);
++ }
++ MVE(V1).Append(E);
++
++ if (!MVE.IsBound(V2)) {
++ MVE.Bind(V2,Empty);
++ }
++ MVE(V2).Append(E);
++}
++
++//=======================================================================
++//function : Perform
++//purpose :
++//=======================================================================
++void Partition_Loop::Perform()
++{
++
++ TopTools_DataMapOfShapeListOfShape MVE;
++ TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit, Mapit1;
++ TopTools_ListIteratorOfListOfShape itl;
++ TopoDS_Vertex V1,V2;
++
++ //-----------------------------------
++ // Construction map vertex => edges
++ //-----------------------------------
++ for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) {
++ TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ StoreInMVE(myFace,E,MVE);
++ }
++
++ //----------------------------------------------
++ // Construction of all the wires and of all the new faces.
++ //----------------------------------------------
++ TopTools_MapOfOrientedShape UsedEdges;
++
++ while (!MVE.IsEmpty()) {
++ TopoDS_Vertex VF,CV;
++ TopoDS_Edge CE,NE,EF;
++ TopoDS_Wire NW;
++ BRep_Builder B;
++ Standard_Boolean End= Standard_False;
++
++ B.MakeWire(NW);
++ //--------------------------------
++ // EF first edge.
++ //--------------------------------
++ Mapit.Initialize(MVE);
++ EF = CE = TopoDS::Edge(Mapit.Value().First());
++
++ TopExp::Vertices(CE,V1,V2);
++ //--------------------------------
++ // VF first vertex
++ //--------------------------------
++ if (CE.Orientation() == TopAbs_FORWARD) {
++ CV = VF = V1;
++ }
++ else {
++ CV = VF = V2;
++ }
++ if (!MVE.IsBound(CV)) continue;
++ for ( itl.Initialize(MVE(CV)); itl.More(); itl.Next()) {
++ if (itl.Value().IsEqual(CE)) {
++ MVE(CV).Remove(itl);
++ break;
++ }
++ }
++
++ int i = 0;
++ while (!End) {
++ //-------------------------------
++ // Construction of a wire.
++ //-------------------------------
++ TopExp::Vertices(CE,V1,V2);
++ if (!CV.IsSame(V1)) CV = V1; else CV = V2;
++ B.Add (NW,CE);
++ UsedEdges.Add(CE);
++
++ //--------------
++ // stop test
++ //--------------
++ if (!MVE.IsBound(CV) || MVE(CV).IsEmpty() || CV.IsSame(VF) ) {
++ if (CV.IsSame(VF)) {
++ if (MVE(CV).Extent() == 1 ) MVE.UnBind(CV);
++ else {
++ for ( itl.Initialize(MVE(CV)); itl.More(); itl.Next()) {
++ if (itl.Value().IsEqual(CE)) {
++ MVE(CV).Remove(itl);
++ break;
++ }
++ }
++ }
++ }
++ End=Standard_True;
++ }
++
++ //--------------
++ // select edge
++ //--------------
++ else {
++ Standard_Boolean find = SelectEdge(myFace,CE,CV,NE,MVE(CV));
++ if (find) {
++ CE=NE;
++ if (MVE(CV).IsEmpty()) MVE.UnBind(CV);
++ if (CE.IsNull() ) {
++ MESSAGE ( " CE is NULL !!! " )
++ End=Standard_True;
++ }
++ }
++ else {
++ MESSAGE ( " edge doesn't exist " )
++ End=Standard_True;
++ }
++ }
++ }
++
++ //-----------------------------
++ // Test if the wire is closed
++ //-----------------------------
++ if (VF.IsSame(CV) && SamePnt2d(VF,EF,CE,myFace)) {
++ }
++ else{
++ MESSAGE ( "wire not closed" )
++ }
++ myNewWires.Append (NW);
++ }
++
++ PurgeNewEdges(myConstEdges,UsedEdges);
++
++}
++
++
++//=======================================================================
++//function : NewWires
++//purpose :
++//=======================================================================
++const TopTools_ListOfShape& Partition_Loop::NewWires() const
++{
++ return myNewWires;
++}
++
++//=======================================================================
++//function : NewFaces
++//purpose :
++//=======================================================================
++const TopTools_ListOfShape& Partition_Loop::NewFaces() const
++{
++ return myNewFaces;
++}
++
++//=======================================================================
++//function : WiresToFaces
++//purpose :
++//=======================================================================
++void Partition_Loop::WiresToFaces()
++{
++ if (!myNewWires.IsEmpty()) {
++ BRepAlgo_FaceRestrictor FR;
++
++ TopAbs_Orientation OriF = myFace.Orientation();
++ TopoDS_Shape aLocalS = myFace.Oriented(TopAbs_FORWARD);
++
++ FR.Init (TopoDS::Face(aLocalS),Standard_False);
++ TopTools_ListIteratorOfListOfShape it(myNewWires);
++ for (; it.More(); it.Next()) {
++ FR.Add(TopoDS::Wire(it.Value()));
++ }
++
++ FR.Perform();
++
++ if (FR.IsDone()) {
++ for (; FR.More(); FR.Next()) {
++ myNewFaces.Append(FR.Current().Oriented(OriF));
++ }
++ }
++ }
++}
++
++
++#endif
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Loop2d.cxx netgen-4.5_new/libsrc/occ/Partition_Loop2d.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Loop2d.cxx 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Loop2d.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -12,9 +12,11 @@
+ // $Header$
+
+ //using namespace std;
+-#include "Partition_Loop2d.ixx"
++
+
+ #include "utilities.h"
++
++#include "Partition_Loop2d.ixx"
+ #include <stdio.h>
+
+ #include <BRepAdaptor_Curve2d.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Loop2d.cxx.orig netgen-4.5_new/libsrc/occ/Partition_Loop2d.cxx.orig
+--- netgen-4.5_orig/libsrc/occ/Partition_Loop2d.cxx.orig 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/Partition_Loop2d.cxx.orig 2010-06-23 13:19:48.000000000 +0400
+@@ -0,0 +1,1142 @@
++#ifdef OCCGEOMETRY
++
++// GEOM PARTITION : partition algorithm
++//
++// Copyright (C) 2003 CEA/DEN, EDF R& D
++//
++//
++//
++// File : Partition_Loop2d.cxx
++// Author : Benedicte MARTIN
++// Module : GEOM
++// $Header$
++
++//using namespace std;
++#include "Partition_Loop2d.ixx"
++
++#include "utilities.h"
++#include <stdio.h>
++
++#include <BRepAdaptor_Curve2d.hxx>
++#include <BRepAdaptor_Surface.hxx>
++#include <BRepAlgo_AsDes.hxx>
++#include <BRepAlgo_FaceRestrictor.hxx>
++#include <BRepOffset_DataMapOfShapeReal.hxx>
++#include <BRepTopAdaptor_FClass2d.hxx>
++#include <BRep_Builder.hxx>
++#include <BRep_Tool.hxx>
++#include <Geom2dInt_GInter.hxx>
++#include <Geom2d_Curve.hxx>
++#include <IntRes2d_IntersectionPoint.hxx>
++#include <Precision.hxx>
++#include <TColStd_MapOfInteger.hxx>
++#include <TColStd_SequenceOfReal.hxx>
++#include <TopExp.hxx>
++#include <TopExp_Explorer.hxx>
++#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
++#include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
++#include <TopTools_DataMapOfShapeInteger.hxx>
++#include <TopTools_DataMapOfShapeShape.hxx>
++#include <TopTools_IndexedMapOfShape.hxx>
++#include <TopTools_ListIteratorOfListOfShape.hxx>
++#include <TopTools_MapIteratorOfMapOfShape.hxx>
++#include <TopTools_MapOfOrientedShape.hxx>
++#include <TopTools_MapOfShape.hxx>
++#include <TopTools_SequenceOfShape.hxx>
++#include <TopoDS.hxx>
++#include <TopoDS_Iterator.hxx>
++#include <TopoDS_Vertex.hxx>
++#include <TopoDS_Wire.hxx>
++#include <gp_Pnt.hxx>
++#include <gp_Pnt2d.hxx>
++
++//=======================================================================
++//function : Partition_Loop2d
++//purpose :
++//=======================================================================
++
++Partition_Loop2d::Partition_Loop2d()
++{
++}
++
++//=======================================================================
++//function : Init
++//purpose : Init with <F> the set of edges must have
++// pcurves on <F>.
++//=======================================================================
++
++void Partition_Loop2d::Init(const TopoDS_Face& F)
++{
++ myConstEdges.Clear();
++ myNewWires .Clear();
++ myNewFaces .Clear();
++ myFace = F;
++ myFaceOri = myFace.Orientation();
++ myFace.Orientation( TopAbs_FORWARD );
++}
++
++//=======================================================================
++//function : AddConstEdge
++//purpose : Add <E> as unique edge in the result.
++//=======================================================================
++
++void Partition_Loop2d::AddConstEdge (const TopoDS_Edge& E)
++{
++#ifdef DEB
++ Standard_Real f,l;
++ Handle(Geom2d_Curve) pc = BRep_Tool::CurveOnSurface( E, myFace, f,l);
++ if (pc.IsNull()) {
++ INFOS( "AddConstEdge(): EDGE W/O PCURVE on FACE");
++ } else
++#endif
++ {
++ myConstEdges.Append(E);
++ }
++}
++
++void Partition_Loop2d::AddSectionEdge (const TopoDS_Edge& E)
++{
++#ifdef DEB
++ Standard_Real f,l;
++ Handle(Geom2d_Curve) pc = BRep_Tool::CurveOnSurface( E, myFace, f,l);
++ if (pc.IsNull())
++ pc = BRep_Tool::CurveOnSurface( E, myFace, f,l);
++ gp_Vec2d Tg1;
++ gp_Pnt2d PC;
++ pc->D1(0.5*(f+l), PC, Tg1);
++ if (Tg1.Magnitude() <= gp::Resolution()) {
++ MESSAGE ("");
++ }
++ if (pc.IsNull()) {
++ INFOS( "AddConstEdge(): EDGE W/O PCURVE on FACE");
++ } else
++#endif
++ {
++ myConstEdges.Append(E);
++ myConstEdges.Append(E.Reversed());
++ mySectionEdges.Add( E );
++ }
++}
++
++//=======================================================================
++//function : preciseU
++//purpose : find u such that the 3D point on theE is just out of tolerance
++// of theV
++//=======================================================================
++
++static Standard_Real preciseU (const BRepAdaptor_Surface& theSurf,
++ const TopoDS_Edge& theE,
++ const TopoDS_Vertex& theV,
++ const Handle(Geom2d_Curve)& theC,
++ const Standard_Boolean theFirstEnd)
++{
++ Standard_Boolean isForward = ( theE.Orientation () == TopAbs_FORWARD );
++ if (theFirstEnd) isForward = !isForward;
++
++ // find the first point in 2d and 3d
++ Standard_Real f,l;
++ BRep_Tool::Range( theE, f, l );
++ Standard_Real u0 = isForward ? l : f;
++ gp_Pnt2d aP2d0 = theC->Value( u0 );
++ gp_Pnt aPnt0 = theSurf.Value( aP2d0.X(), aP2d0.Y() );
++
++ // shift in 2d and 3d
++ Standard_Real du = ( l - f ) / 100, du3d = 0;
++ if (isForward)
++ du = -du;
++
++ // target parameter
++ Standard_Real u;
++
++ while (du3d < ::RealSmall())
++ {
++ // u for test
++ u = u0 + du;
++ du *= 10; // for the next iteration: increase du untill du3d is large enough
++
++ // find out how u is far from u0 in 3D
++ gp_Pnt2d aP2d = theC->Value( u );
++ gp_Pnt aPnt = theSurf.Value( aP2d.X(), aP2d.Y() );
++ du3d = aPnt0.Distance( aPnt );
++ }
++
++ // find u such that the 3D point is just out of tolerance of theV
++ Standard_Real tolV = BRep_Tool::Tolerance( theV ) + Precision::Confusion();
++ u = u0 + du * tolV / du3d;
++
++ // check that u is within the range
++ if ( isForward ? (u < f) : (u > l) )
++ u = u0 + du;
++
++ return u;
++}
++
++//=======================================================================
++//function : SelectEdge
++//purpose : Find in the list <LE> the edge <NE> connected with <CE> by
++// the vertex <CV>.
++// <NE> is removed from the list. If <CE> is in <LE>
++// with the same orientation, it's removed from the list
++//=======================================================================
++
++static Standard_Boolean SelectEdge(const BRepAdaptor_Surface& Surf,
++ const TopoDS_Edge& CE,
++ const TopoDS_Vertex& CV,
++ TopoDS_Edge& NE,
++ const TopTools_ListOfShape& LE)
++{
++ NE.Nullify();
++
++ if (LE.Extent() > 1) {
++ //--------------------------------------------------------------
++ // Several possible edges.
++ // - Test the edges differents of CE
++ //--------------------------------------------------------------
++ TopoDS_Face FForward = Surf.Face();
++ TopoDS_Edge aPrevNE;
++
++ gp_Vec2d CTg1, Tg1, CTg2, Tg2;
++ gp_Pnt2d PC, P;
++
++ Standard_Real f, l;
++ Handle(Geom2d_Curve) Cc, C;
++ Cc = BRep_Tool::CurveOnSurface(CE,FForward,f,l);
++
++ Standard_Boolean isForward = ( CE.Orientation () == TopAbs_FORWARD );
++ Standard_Real uc, u, du = Precision::PConfusion();
++ uc = isForward ? ( l - du ) : ( f + du );
++ Cc->D1(uc, PC, CTg1);
++ if (!isForward) CTg1.Reverse();
++
++ Standard_Real anglemin = 3 * 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
++ TopTools_ListIteratorOfListOfShape itl;
++ for ( itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ if (E.IsSame(CE))
++ continue;
++ if (! CV.IsSame( TopExp::FirstVertex( E, Standard_True )))
++ continue;
++
++ isForward = ( E.Orientation () == TopAbs_FORWARD );
++
++ // get E curve
++ C = BRep_Tool::CurveOnSurface(E,FForward,f,l);
++ // get the first derivative Tg1
++ u = isForward ? ( f + du ) : ( l - du );
++ C->D1(u, P, Tg1);
++ if (!isForward) Tg1.Reverse();
++
++ // -PI < angle < PI
++ Standard_Real angle = Tg1.Angle(CTg1);
++
++ if (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,
++ // -PI - an edge is best.
++ u = preciseU( Surf, CE, CV, Cc, Standard_False);
++ gp_Vec2d CTg;
++ Cc->D1(u, PC, CTg);
++ if (CE.Orientation() == TopAbs_REVERSED) CTg.Reverse();
++
++ u = preciseU( Surf, E, CV, C, Standard_True);
++ C->D1(u, P, Tg1);
++ if (!isForward) Tg1.Reverse();
++
++ angle = Tg1.Angle(CTg);
++ }
++
++ Standard_Boolean isClose = ( Abs( angle - anglemin ) <= tolAng );
++ if (angle <= anglemin) {
++ if (isClose)
++ aPrevNE = NE;
++ else
++ aPrevNE.Nullify();
++ anglemin = angle ;
++ NE = E;
++ }
++ else
++ if (isClose)
++ aPrevNE = E;
++
++ }
++ if (!aPrevNE.IsNull()) {
++ // select one of close edges, the most left one.
++ Cc = BRep_Tool::CurveOnSurface( NE, FForward, f, l );
++ uc = preciseU( Surf, NE, CV, Cc, Standard_True);
++ Cc->D1(uc, PC, CTg1);
++ if (NE.Orientation() != TopAbs_FORWARD) CTg1.Reverse();
++
++ u = preciseU( Surf, aPrevNE, CV, C, Standard_True);
++ C->D1(u, P, Tg1);
++ if (aPrevNE.Orientation() != TopAbs_FORWARD) Tg1.Reverse();
++
++ if ( Tg1.Angle(CTg1) < 0)
++ NE = aPrevNE;
++ }
++ }
++ else if (LE.Extent() == 1) {
++ NE = TopoDS::Edge(LE.First());
++ }
++ else {
++ return Standard_False;
++ }
++ return !NE.IsNull();
++}
++
++//=======================================================================
++//function : SamePnt2d
++//purpose :
++//=======================================================================
++
++static Standard_Boolean SamePnt2d(const TopoDS_Vertex& V1,
++ const TopoDS_Edge& E1,
++ const TopoDS_Vertex& V2,
++ const TopoDS_Edge& E2,
++ const TopoDS_Face& F)
++{
++ Standard_Real f1,f2,l1,l2;
++ Handle(Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E1,F,f1,l1);
++ Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E2,F,f2,l2);
++
++ gp_Pnt2d P1 = C1->Value( BRep_Tool::Parameter(V1,E1));
++ gp_Pnt2d P2 = C2->Value( BRep_Tool::Parameter(V2,E2));
++
++ Standard_Real Tol = 100 * BRep_Tool::Tolerance(V1);
++ Standard_Real Dist = P1.Distance(P2);
++ return Dist < Tol;
++}
++
++
++//=======================================================================
++//function : StoreInMVE
++//purpose :
++//=======================================================================
++
++static void StoreInMVE (const TopoDS_Face& /*F*/,
++ TopoDS_Edge& E,
++ TopTools_DataMapOfShapeListOfShape& MVE )
++
++{
++ TopoDS_Vertex V1, V2;
++ TopTools_ListOfShape Empty;
++
++ TopExp::Vertices(E,V1,V2);
++ if (!MVE.IsBound(V1)) {
++ MVE.Bind(V1,Empty);
++ }
++ MVE(V1).Append(E);
++
++ if (!MVE.IsBound(V2)) {
++ MVE.Bind(V2,Empty);
++ }
++ MVE(V2).Append(E);
++}
++
++//=======================================================================
++//function : RemoveFromMVE
++//purpose :
++//=======================================================================
++
++static void RemoveFromMVE(const TopoDS_Edge& E,
++ TopTools_DataMapOfShapeListOfShape& MVE)
++{
++ TopTools_ListIteratorOfListOfShape itl;
++ TopoDS_Vertex V1,V2;
++ TopExp::Vertices (E,V1,V2);
++ if (MVE.IsBound(V1))
++ for ( itl.Initialize(MVE(V1)); itl.More(); itl.Next()) {
++ if (itl.Value().IsEqual(E)) {
++ MVE(V1).Remove(itl);
++ break;
++ }
++ }
++ if (MVE.IsBound(V2))
++ for ( itl.Initialize(MVE(V2)); itl.More(); itl.Next()) {
++ if (itl.Value().IsEqual(E)) {
++ MVE(V2).Remove(itl);
++ break;
++ }
++ }
++}
++//=======================================================================
++//function : addConnected
++//purpose : add to <EM> all edges reachable from <E>
++//=======================================================================
++
++static void addConnected(const TopoDS_Shape& E,
++ TopTools_MapOfShape& EM,
++ TopTools_MapOfShape& VM,
++ const TopTools_DataMapOfShapeListOfShape& MVE)
++{
++ // Loop on vertices of E
++ TopoDS_Iterator itV ( E );
++ for ( ; itV.More(); itV.Next()) {
++
++ if ( ! VM.Add ( itV.Value() )) continue;
++
++ // Loop on edges sharing V
++ TopTools_ListIteratorOfListOfShape itE( MVE( itV.Value() ) );
++ for (; itE.More(); itE.Next()) {
++ if ( EM.Add( itE.Value() ))
++ addConnected ( itE.Value(), EM, VM, MVE );
++ }
++ }
++}
++//=======================================================================
++//function : canPassToOld
++//purpose :
++//=======================================================================
++
++// static Standard_Boolean canPassToOld (const TopoDS_Shape& V,
++// TopTools_MapOfShape& UsedShapesMap,
++// const TopTools_DataMapOfShapeListOfShape& MVE,
++// const TopTools_MapOfShape& SectionEdgesMap)
++// {
++// TopTools_ListIteratorOfListOfShape itE( MVE(V) );
++// // Loop on edges sharing V
++// for (; itE.More(); itE.Next()) {
++// if ( !UsedShapesMap.Add( itE.Value() ))
++// continue; // already checked
++
++// if ( !SectionEdgesMap.Contains( itE.Value() ))
++// return Standard_True; // WE PASSED
++
++// TopoDS_Iterator itV( itE.Value() );
++// // Loop on vertices of an edge
++// for (; itV.More(); itV.Next()) {
++// if ( !UsedShapesMap.Add( itV.Value() ))
++// continue; // already checked
++// else
++// return canPassToOld( itV.Value(), UsedShapesMap, MVE, SectionEdgesMap);
++// }
++// }
++// return Standard_False;
++// }
++
++//=======================================================================
++//function : MakeDegenAndSelect
++//purpose : Find parameter of intersection of <CE> with <DE> and
++// select an edge with its parameter closest to found one.
++// Return new degenerated edge trimming <DE> by found parameters
++//=======================================================================
++
++static TopoDS_Edge MakeDegenAndSelect(const TopoDS_Edge& CE,
++ const TopoDS_Vertex& CV,
++ TopoDS_Edge& NE,
++ TopTools_SequenceOfShape& EdgesSeq,
++ TColStd_SequenceOfReal& USeq,
++ const TopoDS_Edge& DE)
++{
++ if (EdgesSeq.Length() < 3) {
++ if (CE == EdgesSeq.First())
++ NE = TopoDS::Edge( EdgesSeq.Last() );
++ else
++ NE = TopoDS::Edge( EdgesSeq.First() );
++ return DE;
++ }
++
++ // find parameter on DE where it intersects CE
++
++ Standard_Real U1;
++ Standard_Integer i, nb = EdgesSeq.Length();
++ for (i=1; i<= nb; ++i) {
++ if (CE == EdgesSeq(i)) {
++ U1 = USeq(i);
++ break;
++ }
++ }
++
++ // select NE with param closest to U1 thus finding U2 for a new degen edge
++
++ Standard_Real U2, dU, dUmin = 1.e100;
++ Standard_Boolean isReversed = ( DE.Orientation() == TopAbs_REVERSED );
++ for (i=1; i<= nb; ++i) {
++ dU = USeq(i) - U1;
++ if (isReversed ? (dU > 0) : (dU < 0))
++ continue;
++ dU = Abs( dU );
++ if ( dU > dUmin || IsEqual( dU, 0.))
++ continue;
++ const TopoDS_Edge& E = TopoDS::Edge ( EdgesSeq(i) );
++ if ( ! CV.IsSame( TopExp::FirstVertex( E , Standard_True )))
++ continue;
++ NE = E;
++ dUmin = dU + Epsilon(dU);
++ U2 = USeq(i);
++ }
++
++ // make a new degenerated edge
++ TopoDS_Edge NewDegen = TopoDS::Edge ( DE.EmptyCopied() );
++
++ Standard_Real Tol = BRep_Tool::Tolerance( CV );
++ TopoDS_Vertex V = CV;
++
++ BRep_Builder B;
++ V.Orientation( NewDegen.Orientation() );
++ B.UpdateVertex( V, U1, NewDegen, Tol);
++ B.Add ( NewDegen , V );
++
++ V.Reverse();
++ B.UpdateVertex( V, U2, NewDegen, Tol);
++ B.Add ( NewDegen , V );
++
++ return NewDegen;
++}
++
++//=======================================================================
++//function : prepareDegen
++//purpose : Intersect <DegEdge> with edges bound to its vertex in <MVE>
++// and store intersection parameter on <DegEdge> in
++// <USeq> as well as the edges them-self in <EdgesSeq>.
++// Bind <DegEdgeIndex> to vertex of <DegEdge> in <MVDEI>
++//=======================================================================
++
++static void prepareDegen (const TopoDS_Edge& DegEdge,
++ const TopoDS_Face& F,
++ const TopTools_DataMapOfShapeListOfShape& MVE,
++ TopTools_SequenceOfShape& EdgesSeq,
++ TColStd_SequenceOfReal& USeq,
++ TopTools_DataMapOfShapeInteger& MVDEI,
++ const Standard_Integer DegEdgeIndex)
++{
++ const TopoDS_Vertex& V = TopExp::FirstVertex ( DegEdge );
++ MVDEI.Bind ( V, DegEdgeIndex );
++
++ const TopTools_ListOfShape& EdgesList = MVE ( V );
++ // if only 2 edges come to degenerated one, no pb in selection and
++ // no need to intersect them, just simulate asked data
++ Standard_Boolean doIntersect = ( EdgesList.Extent() > 2 );
++
++ BRepAdaptor_Curve2d DC, C;
++ Geom2dInt_GInter InterCC;
++ Standard_Real Tol = Precision::PConfusion();
++ if ( doIntersect )
++ DC.Initialize( DegEdge, F );
++
++ // avoid intersecting twice the same edge
++ BRepOffset_DataMapOfShapeReal EUMap ( EdgesList.Extent() );
++
++ Standard_Real U, f, l;
++ BRep_Tool::Range (DegEdge, f, l);
++
++ TopTools_ListIteratorOfListOfShape itE (EdgesList);
++ for (; itE.More(); itE.Next()) {
++
++ const TopoDS_Edge& E = TopoDS::Edge ( itE.Value() );
++
++ if ( !doIntersect) {
++ U = 0.; // it won't be used
++ }
++ else if ( BRep_Tool::IsClosed( E, F )) {
++ // seam edge: select U among f and l
++ Standard_Boolean first = Standard_True;
++ if ( V.IsSame ( TopExp::FirstVertex( E, Standard_True ) ))
++ first = Standard_False;
++ if ( DegEdge.Orientation() == TopAbs_REVERSED )
++ first = !first;
++ U = first ? f : l;
++ }
++ else if ( EUMap.IsBound( E ) ) {
++ // same edge already bound
++ U = EUMap( E );
++ }
++ else {
++ // intersect 2d curves
++ C.Initialize( E, F );
++ InterCC.Perform ( DC, C , Tol, Tol );
++ if (! InterCC.IsDone() || InterCC.NbPoints() == 0) {
++ MESSAGE ( "NO 2d INTERSECTION ON DEGENERATED EDGE" );
++ continue;
++ }
++ // hope there is only one point of intersection
++ U = InterCC.Point( 1 ).ParamOnFirst();
++ }
++ USeq.Append ( U );
++ EdgesSeq.Append ( E );
++ }
++}
++//=======================================================================
++//function : Perform
++//purpose : Make loops.
++//=======================================================================
++
++void Partition_Loop2d::Perform()
++{
++
++ Standard_Integer NbConstEdges = myConstEdges.Extent();
++ TopTools_DataMapOfShapeListOfShape MVE(NbConstEdges) , MVE2(NbConstEdges);
++ TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit;
++ TopTools_ListIteratorOfListOfShape itl;
++ TopoDS_Vertex V1,V2;
++ BRepAdaptor_Surface Surface ( myFace, Standard_False );
++
++ // degenerated edges and parameters of their 2d intersection with other edges
++ TopoDS_Edge DE [2];
++ TopTools_SequenceOfShape SEID [2]; // seq of edges intersecting degenerated
++ TColStd_SequenceOfReal SeqU [2]; // n-th U corresponds to n-th edge in SEID
++ TopTools_DataMapOfShapeInteger MVDEI(2); // map vertex - degenerated edge index
++ Standard_Integer iDeg = 0; // index of degenerated edge [0,1]
++
++ //---------------------------------------------------------
++ // Construction map vertex => edges, find degenerated edges
++ //---------------------------------------------------------
++ for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) {
++ TopoDS_Edge& E = TopoDS::Edge(itl.Value());
++ if ( BRep_Tool::Degenerated( E )) {
++ if (DE[0].IsNull()) DE[0] = E;
++ else DE[1] = E;
++ }
++ else
++ StoreInMVE(myFace,E,MVE);
++ }
++
++ // fill data for degenerated edges
++ if ( ! DE[0].IsNull() )
++ prepareDegen ( DE[0], myFace, MVE, SEID[0], SeqU[0], MVDEI, 0);
++ if ( ! DE[1].IsNull() )
++ prepareDegen ( DE[1], myFace, MVE, SEID[1], SeqU[1], MVDEI, 1);
++
++
++ // to detect internal wires
++ Standard_Boolean isInternCW = 0;
++ MVE2 = MVE;
++
++
++ //------------------------------
++ // Construction of all the wires
++ //------------------------------
++ // first, we collect wire edges in WEL list looking for same edges that
++ // will be then removed possibly exploding a wire into parts;
++ // second, build wire(s)
++
++ while (!MVE.IsEmpty()) {
++
++ TopoDS_Vertex VF,CV;
++ TopoDS_Edge CE,NE,EF;
++ TopoDS_Wire NW;
++ BRep_Builder B;
++ Standard_Boolean End = Standard_False;
++ TopTools_ListOfShape WEL;
++
++ Mapit.Initialize(MVE);
++ if (Mapit.Value().IsEmpty()) {
++ MVE.UnBind(Mapit.Key());
++ continue;
++ }
++
++ // EF first edge.
++ EF = CE = TopoDS::Edge(Mapit.Value().First());
++ // VF first vertex
++ VF = TopExp::FirstVertex( CE, Standard_True);
++
++ isInternCW = Standard_True;
++
++ TopTools_MapOfShape addedEM (NbConstEdges); // map of edges added to WEL
++ TopTools_MapOfShape doubleEM (NbConstEdges); // edges encountered twice in WEL
++
++ //-------------------------------
++ // Construction of a wire.
++ //-------------------------------
++ while (!End) {
++
++ // only a seam is allowed twice in a wire, the others should be removed
++ if (addedEM.Add ( CE ) || BRep_Tool::IsClosed( CE, myFace ) )
++ WEL.Append( CE );
++ else {
++ doubleEM.Add( CE );
++ RemoveFromMVE (CE,MVE2);
++ TopoDS_Edge CERev = CE;
++ CERev.Reverse();
++ RemoveFromMVE (CERev,MVE2);
++ }
++
++ RemoveFromMVE (CE,MVE);
++
++ CV = TopExp::LastVertex( CE, Standard_True);
++
++ if (isInternCW && !mySectionEdges.Contains(CE))
++ // wire is internal if all edges are section ones
++ isInternCW = Standard_False;
++
++ if (MVDEI.IsBound( CV )) { // CE comes to the degeneration
++ iDeg = MVDEI( CV );
++ TopoDS_Edge NewDegen;
++ NewDegen = MakeDegenAndSelect( CE, CV, NE, SEID[iDeg], SeqU[iDeg], DE[iDeg]);
++ WEL.Append( NewDegen );
++ CE = NE;
++ End = CV.IsSame( VF );
++ continue;
++ }
++
++ //--------------
++ // stop test
++ //--------------
++ if (MVE(CV).IsEmpty()) {
++ End=Standard_True;
++ MVE.UnBind(CV);
++ }
++ else if (CV.IsSame(VF) && SamePnt2d(CV,CE, VF,EF, myFace) ) {
++ End = Standard_True;
++ }
++ else {
++ //----------------------------
++ // select new current edge
++ //----------------------------
++ if (! SelectEdge (Surface,CE,CV,NE,MVE(CV))) {
++ MESSAGE ( " NOT CLOSED WIRE " );
++ End=Standard_True;
++ }
++ else
++ CE = NE;
++ }
++ } // while ( !End )
++
++
++ // WEL is built, built wire(s)
++
++
++ itl.Initialize( WEL );
++ if ( doubleEM.IsEmpty()) { // no double edges
++ B.MakeWire( NW );
++ for (; itl.More(); itl.Next())
++ B.Add ( NW, itl.Value());
++ if (isInternCW) myInternalWL.Append(NW);
++ else myNewWires.Append (NW);
++ }
++
++ else {
++ // remove double and degenerated edges from WEL
++ while (itl.More()) {
++ const TopoDS_Edge& E = TopoDS::Edge ( itl.Value() );
++ if ( doubleEM.Contains( E ) || BRep_Tool::Degenerated( E ))
++ WEL.Remove( itl );
++ else
++ itl.Next();
++ }
++ if ( WEL.IsEmpty())
++ continue;
++ // remove double edges from SEID and SeqU
++ Standard_Integer i,j;
++ for (j=0; j<2; ++j) {
++ for (i=1; i<=SEID[j].Length(); ++i) {
++ if (doubleEM.Contains( SEID[j].Value(i))) {
++ SEID[j].Remove( i );
++ SeqU[j].Remove( i-- );
++ }
++ }
++ }
++ // removal of doulbe edges can explode a wire into parts,
++ // make new wires of them.
++ // A Loop like previous one but without 2d check
++ while ( !WEL.IsEmpty() ) {
++ CE = TopoDS::Edge( WEL.First() );
++ WEL.RemoveFirst();
++ B.MakeWire( NW );
++ VF = TopExp::FirstVertex ( CE, Standard_True);
++
++ End = Standard_False;
++ while ( !End) {
++ B.Add( NW, CE );
++ CV = TopExp::LastVertex ( CE, Standard_True);
++
++ if (MVDEI.IsBound( CV )) { // CE comes to the degeneration
++ iDeg = MVDEI( CV );
++ TopoDS_Edge NewDegen;
++ NewDegen = MakeDegenAndSelect( CE, CV, NE, SEID[iDeg], SeqU[iDeg], DE[iDeg]);
++ B.Add( NW, NewDegen );
++ End = CV.IsSame( VF );
++ CE = NE;
++ if (!NE.IsNull()) { // remove NE from WEL
++ for (itl.Initialize( WEL ); itl.More(); itl.Next())
++ if ( NE == itl.Value()) {
++ WEL.Remove( itl );
++ break;
++ }
++ }
++ } // end degeneration
++
++ else {
++ if (CV.IsSame( VF )) {
++ End = Standard_True;
++ continue;
++ }
++ // edges in WEL most often are well ordered
++ // so try to iterate until the End
++ Standard_Boolean add = Standard_False;
++ itl.Initialize(WEL);
++ while ( itl.More() && !End) {
++ NE = TopoDS::Edge( itl.Value() );
++ if ( CV.IsSame( TopExp::FirstVertex( NE, Standard_True ))) {
++ WEL.Remove( itl );
++ if (add)
++ B.Add( NW, CE );
++ CE = NE;
++ add = Standard_True;
++ CV = TopExp::LastVertex( CE, Standard_True);
++ if (MVDEI.IsBound( CV ) || CV.IsSame( VF ))
++ break;
++ }
++ else
++ itl.Next();
++ }
++ if (!add)
++ End = Standard_True;
++ }
++ } // !End
++
++ myInternalWL.Append( NW );
++ }
++ } // end building new wire(s) from WEL
++
++ } // end Loop on MVE
++
++ // all wires are built
++
++
++ // ============================================================
++ // select really internal wires i.e. those from which we can`t
++ // pass to an old (not section) edge
++ // ============================================================
++
++ Standard_Integer nbIW = myInternalWL.Extent();
++ if (nbIW == 0)
++ return;
++
++ if ( myNewWires.Extent() != 1 && nbIW > 1) {
++ TopTools_MapOfShape outerEM (NbConstEdges); // edges connected to non-section ones
++ TopTools_MapOfShape visitedVM (NbConstEdges);
++ for ( itl.Initialize( myConstEdges ); itl.More(); itl.Next()) {
++ if ( ! mySectionEdges.Contains( itl.Value() ))
++ addConnected (itl.Value(), outerEM, visitedVM, MVE2);
++ }
++ // if an edge of a wire is in <outerEM>, the wire is not internal
++ TopExp_Explorer expIWE;
++ TopTools_ListIteratorOfListOfShape itIW ( myInternalWL );
++ while (itIW.More()) {
++ expIWE.Init ( itIW.Value() , TopAbs_EDGE );
++ if ( outerEM.Contains( expIWE.Current() )) {
++ myNewWires.Append ( itIW.Value() );
++ myInternalWL.Remove( itIW ); // == itIW.Next()
++ }
++ else
++ itIW.Next();
++ }
++ }
++}
++//=======================================================================
++//function : isHole
++//purpose :
++//=======================================================================
++
++static Standard_Boolean isHole (const TopoDS_Wire& W,
++ const TopoDS_Face& F)
++{
++ BRep_Builder B;
++ TopoDS_Shape newFace = F.EmptyCopied();
++ B.Add(newFace,W.Oriented(TopAbs_FORWARD));
++ BRepTopAdaptor_FClass2d classif (TopoDS::Face(newFace),
++ Precision::PConfusion());
++ return (classif.PerformInfinitePoint() == TopAbs_IN);
++}
++
++//=======================================================================
++//function : IsInside
++//purpose : check if W1 is inside W2. Suppose W2 is not a hole !!!!
++//=======================================================================
++
++static Standard_Boolean isInside(const TopoDS_Face& F,
++ const TopoDS_Wire& W1,
++ const TopoDS_Wire& W2)
++{
++ // make a face with wire W2
++ BRep_Builder B;
++ TopoDS_Shape aLocalShape = F.EmptyCopied();
++ TopoDS_Face newFace = TopoDS::Face(aLocalShape);
++ B.Add(newFace,W2);
++
++ // get any 2d point of W1
++ TopExp_Explorer exp(W1,TopAbs_EDGE);
++ if (BRep_Tool::Degenerated( TopoDS::Edge( exp.Current() )))
++ exp.Next();
++ const TopoDS_Edge& e = TopoDS::Edge(exp.Current());
++ Standard_Real f,l;
++ Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(e,F,f,l);
++ gp_Pnt2d pt2d(C2d->Value( 0.5 * ( f + l )));
++
++ BRepTopAdaptor_FClass2d classif(newFace,Precision::PConfusion());
++ return (classif.Perform(pt2d) == TopAbs_IN);
++}
++
++//=======================================================================
++//function : NewWires
++//purpose : Returns the list of wires performed.
++// can be an empty list.
++//=======================================================================
++
++const TopTools_ListOfShape& Partition_Loop2d::NewWires() const
++{
++ return myNewWires;
++}
++
++//=======================================================================
++//function : NewFaces
++//purpose : Returns the list of faces.
++//Warning : The method <WiresToFaces> as to be called before.
++// can be an empty list.
++//=======================================================================
++
++const TopTools_ListOfShape& Partition_Loop2d::NewFaces() const
++{
++ return myNewFaces;
++}
++
++//=======================================================================
++//function : findEqual
++//purpose : move wires form <WL> to <EqWL> pairs of wires build of the same edges
++//=======================================================================
++
++static void findEqual (TopTools_ListOfShape& WL,
++ TopTools_DataMapOfShapeShape& EqWM,
++ const TopoDS_Face& F)
++{
++ TopTools_ListIteratorOfListOfShape it1, it2;
++ Standard_Integer i,j;
++ TColStd_MapOfInteger IndMap;
++ for (it1.Initialize(WL), i=1; it1.More(); it1.Next(), i++) {
++
++ if (IndMap.Contains(i)) continue;
++ const TopoDS_Wire& Wire1 = TopoDS::Wire( it1.Value());
++
++ for (it2.Initialize(WL), j=1; it2.More(); it2.Next(), j++) {
++
++ if (j <= i || IndMap.Contains(j)) continue;
++
++ TopTools_IndexedMapOfShape EdgesMap;
++ TopExp::MapShapes (Wire1, TopAbs_EDGE, EdgesMap);
++
++ const TopoDS_Shape& Wire2 = it2.Value();
++ TopoDS_Iterator itE ( Wire2);
++ for (; itE.More(); itE.Next()) {
++ if ( !EdgesMap.Contains( itE.Value()) )
++ break;
++ }
++ if (!itE.More()) { // all edges are same
++ if (isHole( Wire1, F)) {
++ EqWM.Bind ( Wire1, Wire2 );
++ }
++ else {
++ EqWM.Bind ( Wire2, Wire1 );
++ }
++ IndMap.Add(i);
++ IndMap.Add(j);
++ break;
++ }
++ }
++ }
++ // clear WL
++ it1.Initialize(WL);
++ i=1;
++ while (it1.More()) {
++ if (IndMap.Contains(i))
++ WL.Remove(it1); // next node becomes current and with Next() we would miss it
++ else
++ it1.Next();
++ i++;
++ }
++}
++
++//=======================================================================
++//function : classify
++//purpose : bind to a wire a list of internal wires
++//=======================================================================
++
++static void classify(const TopTools_DataMapOfShapeShape& EqWM,
++ BRepAlgo_AsDes& OuterInner,
++ const TopoDS_Face& F)
++{
++ TopTools_DataMapIteratorOfDataMapOfShapeShape it1, it2;
++
++ for (it1.Initialize(EqWM); it1.More(); it1.Next()) {
++ // find next after it1.Value()
++ for (it2.Initialize(EqWM); it2.More(); it2.Next())
++ if (it1.Value().IsSame( it2.Value() ))
++ {
++ it2.Next();
++ break;
++ }
++ for ( ; it2.More(); it2.Next()) {
++ const TopoDS_Wire& Wire1 = TopoDS::Wire( it1.Value() );
++ const TopoDS_Wire& Wire2 = TopoDS::Wire( it2.Value() );
++ if (isInside(F, Wire1, Wire2))
++ OuterInner.Add (Wire2, Wire1);
++ else if (isInside(F, Wire2, Wire1))
++ OuterInner.Add (Wire1, Wire2);
++ }
++ }
++}
++//=======================================================================
++//function : WiresToFaces
++//purpose : Build faces from the wires result.
++// <EdgeImage> serves to find original edge by new
++// one. <Section> contains edges resulting from face
++// intersections
++//=======================================================================
++
++void Partition_Loop2d::WiresToFaces(const BRepAlgo_Image& )
++{
++ Standard_Integer nbW = myNewWires.Extent() + myInternalWL.Extent();
++ if (nbW==0)
++ return;
++
++ BRepAlgo_FaceRestrictor FR;
++ FR.Init (myFace,Standard_False);
++
++ // FaceRestrictor is instable in rather simple cases
++ // (ex. a single face of bellecoque.brep splited by 10 planes:
++ // sometimes 1-2 faces are missing ).
++ // So we use it as less as possible: no holes -> make faces by hands
++
++
++ // are there holes in myFace ?
++ Standard_Boolean hasOldHoles = Standard_False;
++ TopoDS_Iterator itOldW (myFace);
++ if ( itOldW.More()) {
++ const TopoDS_Wire& FirstOldWire = TopoDS::Wire( itOldW.Value() );
++ itOldW.Next();
++ hasOldHoles = itOldW.More() || isHole( FirstOldWire, myFace);
++ }
++ if (myInternalWL.IsEmpty() && !hasOldHoles) {
++ // each wire bounds one face
++ BRep_Builder B;
++ TopTools_ListIteratorOfListOfShape itNW (myNewWires);
++ for (; itNW.More(); itNW.Next()) {
++ TopoDS_Face NF = TopoDS::Face ( myFace.EmptyCopied() );
++ B.Add ( NF, itNW.Value() );
++ NF.Orientation( myFaceOri);
++ myNewFaces.Append ( NF );
++ }
++ return;
++ }
++
++ // FaceRestrictor can't classify wires build on all the same edges
++ // and gives incorrect result in such cases (ex. a plane cut into 2 parts by cylinder)
++ // We must make faces of equal wires separately. One of equal wires makes a
++ // hole in a face and should come together with outer wires of face.
++ // The other of a wires pair bounds a face that may have holes in turn.
++
++ // Find equal wires among internal wires
++ TopTools_DataMapOfShapeShape EqWM; // key is a hole part of a pair of equal wires
++ findEqual (myInternalWL, EqWM, myFace);
++
++ if (!EqWM.IsEmpty()) { // there are equal wires
++
++ if (hasOldHoles)
++ myInternalWL.Append( myNewWires ); // an old wire can be inside an equal wire
++
++ // classify equal wire pairs
++ BRepAlgo_AsDes OuterInner;
++ classify (EqWM,OuterInner,myFace);
++
++ // make face of most internal of equal wires and its inner wires
++ while ( !EqWM.IsEmpty()) {
++
++ TopTools_ListOfShape prevHolesL; // list of hole-part of previous most internal equal wires
++
++ // find most internal wires among pairs (key - hole, value - outer part)
++ TopTools_DataMapIteratorOfDataMapOfShapeShape it(EqWM);
++ Standard_Integer nbEqW = EqWM.Extent(); // protection against infinite loop
++ for ( ; it.More(); it.Next()) {
++
++ TopoDS_Wire outerW = TopoDS::Wire ( it.Value() );
++ if ( OuterInner.HasDescendant( outerW ) && // has internal
++ ! OuterInner.Descendant( outerW ).IsEmpty() )
++ continue;
++
++ FR.Add( outerW );
++
++ // add internal wires that are inside of outerW
++ TopTools_ListIteratorOfListOfShape itIW (myInternalWL);
++ while ( itIW.More()) {
++ TopoDS_Wire IW = TopoDS::Wire ( itIW.Value() );
++ if ( isInside (myFace, IW, outerW)) {
++ FR.Add (IW);
++ myInternalWL.Remove( itIW ); // == itIW.Next() !!!
++ }
++ else
++ itIW.Next();
++ }
++
++ // the hole-part of current pair of equal wires will be in the next new face
++ prevHolesL.Append ( it.Key() );
++
++ } // Loop on map of equal pairs searching for innermost wires
++
++ // make faces
++ FR.Perform();
++ if (FR.IsDone()) {
++ for (; FR.More(); FR.Next())
++ myNewFaces.Append(FR.Current());
++ }
++
++ FR.Clear();
++
++ // add hole-parts to FaceRestrictor,
++ // remove them from the EqWM,
++ // remove found wires as internal of resting classified wires
++ Standard_Boolean clearOuterInner = ( prevHolesL.Extent() < EqWM.Extent() );
++ TopTools_ListIteratorOfListOfShape itPrev (prevHolesL);
++ for (; itPrev.More(); itPrev.Next()) {
++ TopoDS_Wire& Hole = TopoDS::Wire ( itPrev.Value() );
++ FR.Add ( Hole );
++ if (clearOuterInner) {
++ const TopoDS_Wire& outerW = TopoDS::Wire ( EqWM.Find( Hole ) );
++ // Loop on wires including outerW
++ TopTools_ListIteratorOfListOfShape itO( OuterInner.Ascendant( outerW ));
++ for (; itO.More(); itO.Next()) {
++ TopTools_ListOfShape& innerL = OuterInner.ChangeDescendant( itO.Value() );
++ TopTools_ListIteratorOfListOfShape itI (innerL);
++ // Loop on internal wires of current including wire
++ for (; itI.More(); itI.Next())
++ if ( outerW.IsSame( itI.Value() )) {
++ innerL.Remove( itI ); break;
++ }
++ }
++ }
++ EqWM.UnBind ( Hole );
++ }
++
++ if (nbEqW == EqWM.Extent())
++ {
++ // error: pb with wires classification
++#ifdef DEB
++ MESSAGE("Partition_Loop2d::WiresToFaces(), pb with wires classification");
++#endif
++ break;
++ }
++
++ } // while (!EqWM.IsEmpty)
++
++ } // if !EqWM.IsEmpty()
++
++ myNewWires.Append ( myInternalWL );
++
++ TopTools_ListIteratorOfListOfShape itW (myNewWires);
++ for (; itW.More(); itW.Next()) {
++ TopoDS_Wire& W = TopoDS::Wire ( itW.Value() );
++ FR.Add(W);
++ }
++ FR.Perform();
++ for (; FR.IsDone() && FR.More(); FR.Next())
++ myNewFaces.Append(FR.Current());
++
++
++ TopTools_ListIteratorOfListOfShape itNF (myNewFaces);
++ for (; itNF.More(); itNF.Next())
++ itNF.Value().Orientation( myFaceOri );
++}
++
++#endif
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Loop3d.cxx netgen-4.5_new/libsrc/occ/Partition_Loop3d.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Loop3d.cxx 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Loop3d.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -10,6 +10,11 @@
+ // Module : GEOM
+
+ //using namespace std;
++
++
++
++#include "utilities.h"
++
+ #include "Partition_Loop3d.ixx"
+
+ #include <TopExp_Explorer.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Spliter.cxx netgen-4.5_new/libsrc/occ/Partition_Spliter.cxx
+--- netgen-4.5_orig/libsrc/occ/Partition_Spliter.cxx 2005-07-11 10:33:27.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/Partition_Spliter.cxx 2010-06-23 13:19:48.000000000 +0400
+@@ -29,14 +29,15 @@
+ // $Header$
+
+ //using namespace std;
++
++#include "utilities.h"
++
+ #include "Partition_Inter2d.hxx"
+ #include "Partition_Inter3d.hxx"
+ #include "Partition_Loop2d.hxx"
+ #include "Partition_Loop3d.hxx"
+ #include "Partition_Spliter.ixx"
+
+-#include "utilities.h"
+-
+ #include <Precision.hxx>
+ #include <TopAbs_Orientation.hxx>
+ #include <TopExp.hxx>
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/Partition_Spliter.cxx.orig netgen-4.5_new/libsrc/occ/Partition_Spliter.cxx.orig
+--- netgen-4.5_orig/libsrc/occ/Partition_Spliter.cxx.orig 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/Partition_Spliter.cxx.orig 2010-06-23 13:19:48.000000000 +0400
+@@ -0,0 +1,2166 @@
++#ifdef OCCGEOMETRY
++
++// GEOM PARTITION : partition algorithm
++//
++// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
++// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
++//
++// This library is free software; you can redistribute it and/or
++// modify it under the terms of the GNU Lesser General Public
++// License as published by the Free Software Foundation; either
++// version 2.1 of the License.
++//
++// This library is distributed in the hope that it will be useful,
++// but WITHOUT ANY WARRANTY; without even the implied warranty of
++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++// Lesser General Public License for more details.
++//
++// You should have received a copy of the GNU Lesser General Public
++// License along with this library; if not, write to the Free Software
++// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++//
++// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
++//
++//
++//
++// File : Partition_Spliter.cxx
++// Author : Benedicte MARTIN
++// Module : GEOM
++// $Header$
++
++//using namespace std;
++#include "Partition_Inter2d.hxx"
++#include "Partition_Inter3d.hxx"
++#include "Partition_Loop2d.hxx"
++#include "Partition_Loop3d.hxx"
++#include "Partition_Spliter.ixx"
++
++#include "utilities.h"
++
++#include <Precision.hxx>
++#include <TopAbs_Orientation.hxx>
++#include <TopExp.hxx>
++#include <TopExp_Explorer.hxx>
++
++#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
++#include <TopTools_DataMapOfShapeListOfShape.hxx>
++#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
++#include <TopTools_IndexedMapOfShape.hxx>
++#include <TopTools_ListIteratorOfListOfShape.hxx>
++#include <TopTools_ListOfShape.hxx>
++#include <TopTools_MapIteratorOfMapOfShape.hxx>
++#include <TopTools_SequenceOfShape.hxx>
++
++#include <Geom2d_Curve.hxx>
++#include <Geom_Curve.hxx>
++#include <Geom_Surface.hxx>
++#include <Geom_TrimmedCurve.hxx>
++#include <gp_Pnt.hxx>
++#include <gp_Pnt2d.hxx>
++#include <gp_Vec.hxx>
++
++#include <TopoDS.hxx>
++#include <TopoDS_Compound.hxx>
++#include <TopoDS_Edge.hxx>
++#include <TopoDS_Face.hxx>
++#include <TopoDS_Iterator.hxx>
++#include <TopoDS_Shell.hxx>
++#include <TopoDS_Solid.hxx>
++#include <TopoDS_Vertex.hxx>
++#include <TopoDS_Wire.hxx>
++
++#include <BRepBndLib.hxx>
++#include <BRepClass3d_SolidClassifier.hxx>
++#include <BRepLib.hxx>
++#include <BRep_Tool.hxx>
++
++#include <Extrema_ExtPC.hxx>
++#include <GeomAdaptor_Curve.hxx>
++#include <TopOpeBRepTool_CurveTool.hxx>
++
++#ifdef DEB
++//# define PART_PERF
++#endif
++
++#ifdef PART_PERF
++# include <OSD_Chronometer.hxx>
++#endif
++
++//=======================================================================
++//function : isClosed
++//purpose : check id a shape is closed, ie is a solid or a closed shell
++//=======================================================================
++
++static Standard_Boolean isClosed(const TopoDS_Shape& theShape)
++{
++ Standard_Boolean isClosed = (theShape.ShapeType() == TopAbs_SOLID);
++
++ if (!isClosed && theShape.ShapeType() == TopAbs_SHELL) {
++ TopTools_IndexedDataMapOfShapeListOfShape MEF;
++ TopExp::MapShapesAndAncestors(theShape, TopAbs_EDGE, TopAbs_FACE, MEF);
++ for (Standard_Integer i=1; isClosed && i<=MEF.Extent(); ++i)
++ isClosed = ( MEF(i).Extent() != 1 );
++ }
++
++ return isClosed;
++}
++
++//=======================================================================
++//function : Partition_Spliter
++//purpose : constructor
++//=======================================================================
++
++Partition_Spliter::Partition_Spliter()
++{
++ myAsDes = new BRepAlgo_AsDes;
++ Clear();
++}
++
++//=======================================================================
++//function : AddTool
++//purpose : add cutting tool that will _NOT_ be in result
++//=======================================================================
++
++void Partition_Spliter::AddTool(const TopoDS_Shape& S)
++{
++ if (S.ShapeType() < TopAbs_SOLID) { // compound or compsolid
++ TopoDS_Iterator it (S);
++ for (; it.More(); it.Next())
++ {
++ AddTool( it.Value());
++ myFaceShapeMap.Bind( it.Value(), S ); // to know compound by shape
++ }
++ return;
++ }
++
++ for (TopExp_Explorer exp(S,TopAbs_FACE); exp.More(); exp.Next())
++ {
++ myMapTools.Add(exp.Current());
++ myFaceShapeMap.Bind( exp.Current(), S );
++ }
++ if (isClosed( S ))
++ myClosedShapes.Add( S );
++}
++
++//=======================================================================
++//function : AddShape
++//purpose : add object Shape to be splited
++//=======================================================================
++
++void Partition_Spliter::AddShape(const TopoDS_Shape& S)
++{
++ if (S.ShapeType() < TopAbs_SOLID) { // compound or compsolid
++ TopoDS_Iterator it (S);
++ for (; it.More(); it.Next())
++ {
++ AddShape( it.Value());
++ myFaceShapeMap.Bind( it.Value(), S ); // to know compound by shape
++ }
++ return;
++ }
++
++ TopExp_Explorer exp(S,TopAbs_FACE);
++ if (!exp.More()) { // do not split edges and vertices
++ //myBuilder.Add( myShape, S );
++ return;
++ }
++
++ Standard_Integer nbFacesBefore = myMapFaces.Extent(); // not to add twice the same S
++ for (; exp.More(); exp.Next()) {
++ const TopoDS_Shape & aFace = exp.Current();
++ if ( ! myFaceShapeMap.IsBound( aFace )) // keep shape of tool face added as object
++ myFaceShapeMap.Bind( aFace, S );
++ if (myMapFaces.Add( aFace ))
++ myImagesFaces.SetRoot( aFace );
++ }
++
++ if (nbFacesBefore == myMapFaces.Extent())
++ return;
++
++ // solids must be processed before all
++ if (S.ShapeType() == TopAbs_SOLID)
++ myListShapes.Prepend(S);
++ else
++ myListShapes.Append(S);
++
++ if (isClosed( S ))
++ myClosedShapes.Add( S );
++
++}
++
++//=======================================================================
++//function : Shape
++//purpose : return resulting compound
++//=======================================================================
++
++TopoDS_Shape Partition_Spliter::Shape() const
++{
++ return myShape;
++}
++
++//=======================================================================
++//function : Clear
++//purpose : clear fields
++//=======================================================================
++
++void Partition_Spliter::Clear()
++{
++ myDoneStep = TopAbs_SHAPE;
++
++ myListShapes.Clear();
++ myMapFaces.Clear();
++ myMapTools.Clear();
++ myEqualEdges.Clear();
++ myNewSection.Clear();
++ myClosedShapes.Clear();
++ mySharedFaces.Clear();
++ myWrappingSolid.Clear();
++ myFaceShapeMap.Clear();
++
++ myInternalFaces.Clear();
++ myIntNotClFaces.Clear();
++
++ myAsDes->Clear();
++ myImagesFaces.Clear();
++ myImagesEdges.Clear();
++ myImageShape.Clear();
++
++ // myInter3d = Partition_Inter3d(myAsDes);
++ Partition_Inter3d hinter3d (myAsDes);
++ myInter3d = hinter3d;
++
++ myAddedFacesMap.Clear();
++
++}
++
++//=======================================================================
++//function : Compute
++//purpose : produce a result
++//=======================================================================
++
++void Partition_Spliter::Compute(const TopAbs_ShapeEnum Limit)
++{
++ if ((Limit != TopAbs_SHAPE && myDoneStep == Limit) ||
++ (Limit == TopAbs_SHAPE && myDoneStep == TopAbs_SOLID))
++ return;
++
++ myBuilder.MakeCompound( myShape );
++
++ TopTools_MapIteratorOfMapOfShape it;
++ TopTools_ListIteratorOfListOfShape itl;
++ TopExp_Explorer exp;
++
++#ifdef PART_PERF
++ OSD_Chronometer aCron;
++#endif
++
++ if (myDoneStep > TopAbs_VERTEX) {
++
++ TopTools_ListOfShape aListFaces;
++ aListFaces = myImagesFaces.Roots();
++ for (it.Initialize(myMapTools); it.More(); it.Next())
++ aListFaces.Append(it.Key());
++
++#ifdef PART_PERF
++ aCron.Start();
++#endif
++
++ //-----------------------------------------------
++ // Intersection between faces
++ //-----------------------------------------------
++ // result is in myAsDes as a map Face - list of new edges;
++ // special care is done for section edges, same domain faces and vertices:
++ // data about them is inside myInter3d
++ myInter3d.CompletPart3d(aListFaces, myFaceShapeMap);
++
++#ifdef PART_PERF
++ MESSAGE("+++ CompletPart3d()");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++ //-----------------------------------------------
++ // Intersection of edges
++ //-----------------------------------------------
++
++ // add tool faces which must be reconstructed to myMapFaces too
++ FindToolsToReconstruct();
++
++#ifdef PART_PERF
++ MESSAGE("+++ FindToolsToReconstruct()");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++
++ // add existing vertices to edges of object faces in myAsDes
++ TopTools_MapOfShape DoneEM;
++ for ( it.Initialize(myMapFaces); it.More(); it.Next()) {
++ const TopoDS_Shape& F = it.Key();
++ TopoDS_Face FForward = TopoDS::Face(F.Oriented(TopAbs_FORWARD));
++ for (exp.Init(FForward,TopAbs_EDGE); exp.More(); exp.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge( exp.Current() );
++ myAsDes->Add(FForward,E);
++ if (DoneEM.Add(E)) {
++ TopoDS_Iterator itV(E);
++ for (; itV.More(); itV.Next()) {
++ const TopoDS_Vertex& V = TopoDS::Vertex( itV.Value());
++ myAsDes->Add(E, myInter3d.ReplaceSameDomainV( V, E ));
++ }
++ }
++ }
++ }
++
++ // intersect edges that are descendants of a face in myAsDes
++ TopTools_MapOfShape& Modif = myInter3d.TouchedFaces();
++ for ( it.Initialize(Modif); it.More(); it.Next()) {
++ const TopoDS_Face& F = TopoDS::Face(it.Key());
++ Partition_Inter2d::CompletPart2d (myAsDes, F, myInter3d.NewEdges());
++ }
++ // now myAsDes contains also new vertices made at edge intersection as
++ // descendant of edges both new and old
++
++ myDoneStep = TopAbs_VERTEX;
++
++#ifdef PART_PERF
++ MESSAGE("+++ CompletPart2d()");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++ } // if (myDoneStep > TopAbs_VERTEX)
++
++ if (Limit == TopAbs_VERTEX) {
++ // add new vertices to myShape
++ for ( it.Initialize( myInter3d.NewEdges() ); it.More(); it.Next()) {
++ if (! myAsDes->HasDescendant( it.Key() ))
++ continue;
++ itl.Initialize( myAsDes->Descendant( it.Key() ));
++ for (; itl.More(); itl.Next())
++ myBuilder.Add ( myShape, itl.Value() );
++ }
++ return;
++ }
++
++
++ if (myDoneStep > TopAbs_EDGE) {
++
++ //-----------------------------------------------
++ //-----------------------------------------------
++ // ------- Reconstruction of all the edges.------
++ //-----------------------------------------------
++ //-----------------------------------------------
++
++ // ==============
++ // cut new edges
++ // ==============
++ TopTools_ListOfShape LSE; // all edge splits
++ for ( it.Initialize(myInter3d.NewEdges()); it.More(); it.Next()) {
++
++ TopoDS_Vertex V1,V2;
++ TopoDS_Edge EE = TopoDS::Edge(it.Key());
++
++ TopTools_ListOfShape aListV, aListF;
++ aListV = myAsDes->Descendant(EE); // intersection vertices
++ aListF = myAsDes->Ascendant(EE); // intersected faces
++
++ if (aListV.IsEmpty())
++ continue; // new edge does not intersect any other edge
++
++ // Add end vertices to new edges only if
++ // one face is Tool and the other is Shape
++ Standard_Boolean isTool1 = ! myMapFaces.Contains( aListF.First() );
++ Standard_Boolean isTool2 = ! myMapFaces.Contains( aListF.Last() );
++ if (isTool1 || isTool2)
++ {
++ TopExp::Vertices(EE,V1,V2);
++ Standard_Real Tol = Max (BRep_Tool::Tolerance( V1 ),
++ BRep_Tool::Tolerance( V2 ));
++
++ gp_Pnt P1 = BRep_Tool::Pnt(V1);
++ gp_Pnt P2 = BRep_Tool::Pnt(V2);
++ Standard_Boolean AddV1 = Standard_True;
++ Standard_Boolean AddV2 = Standard_True;
++
++ // add only if there is no intersection at end vertex
++ for (itl.Initialize(aListV); itl.More(); itl.Next()) {
++ const TopoDS_Vertex& Ve = TopoDS::Vertex(itl.Value()) ;
++ Standard_Real Tol2 = Max ( Tol, BRep_Tool::Tolerance( Ve ));
++ Tol2 *= Tol2;
++ gp_Pnt P = BRep_Tool::Pnt(Ve);
++ if (AddV1 && P.SquareDistance(P1) <= Tol2)
++ AddV1 = Standard_False;
++
++ if (AddV2 && P.SquareDistance(P2) <= Tol2)
++ AddV2 = Standard_False;
++ }
++
++ if (AddV1) {
++ aListV.Append(V1);
++ myAsDes->Add(EE,V1);
++ }
++
++ if (AddV2) {
++ aListV.Append(V2);
++ myAsDes->Add(EE,V2);
++ }
++ }
++
++ // cut new edges
++ Standard_Integer NbV=aListV.Extent() ;
++ if (NbV>1 || (NbV==1 && V1.IsSame(V2)) ) {
++ TopTools_ListOfShape LNE;
++ MakeEdges (EE,aListV, LNE);
++ myImagesEdges.Bind(EE,LNE);
++ LSE.Append( LNE );
++ }
++ }
++
++ // ==============
++ // cut old edges
++ // ==============
++ for ( it.Initialize(myMapFaces); it.More(); it.Next()) {
++ for (exp.Init( it.Key(), TopAbs_EDGE); exp.More(); exp.Next()) {
++ const TopoDS_Edge& EE = TopoDS::Edge( exp.Current() );
++ if ( myImagesEdges.HasImage( EE ))
++ continue;
++ TopTools_ListOfShape LNE;
++ const TopTools_ListOfShape& aListVV = myAsDes->Descendant(EE);
++ MakeEdges (EE, aListVV, LNE);
++ myImagesEdges.Bind(EE,LNE);
++ LSE.Append( LNE );
++ }
++ }
++#ifdef PART_PERF
++ MESSAGE("+++ Cut Edges");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++
++ // process same domain section edges
++ MergeEqualEdges( LSE );
++
++ myDoneStep = TopAbs_EDGE;
++
++#ifdef PART_PERF
++ MESSAGE("+++ MergeEqualEdges()");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++ } // if (myDoneStep > TopAbs_EDGE)
++
++ if (Limit == TopAbs_EDGE) {
++ // add splits of old edges
++ TopTools_ListIteratorOfListOfShape itNE;
++ for (itl.Initialize( myListShapes );itl.More();itl.Next()) {
++ if (myMapTools.Contains( itl.Value() ))
++ continue; // skip tool faces
++ for ( exp.Init( itl.Value(), TopAbs_EDGE ); exp.More(); exp.Next()) {
++ itNE.Initialize( myImagesEdges.Image( exp.Current() ));
++ for ( ; itNE.More(); itNE.Next())
++ myBuilder.Add ( myShape, itNE.Value() );
++ }
++ }
++ // add splits of new edges
++ for ( it.Initialize( myInter3d.NewEdges() ); it.More(); it.Next()) {
++ itNE.Initialize( myImagesEdges.Image( it.Key() ));
++ for (; itNE.More(); itNE.Next())
++ myBuilder.Add ( myShape, itNE.Value() );
++ }
++ return;
++ }
++
++
++ //-----------------------------------------------
++ // split faces
++ //-----------------------------------------------
++
++ if (myDoneStep > TopAbs_FACE) {
++
++ for (itl.Initialize(myListShapes);itl.More();itl.Next()) {
++ TopoDS_Shape FacesComp = MakeFaces ( itl.Value());
++ // there is a cunning here: myImagesFaces keeps faces made by Loop2d
++ // but some of them may be replaced with splits of same domain face
++ // and myImageShape keeps ultimate result
++ myImageShape.Bind( itl.Value(), FacesComp );
++ }
++
++ myDoneStep = TopAbs_FACE;
++#ifdef PART_PERF
++ MESSAGE("+++ MakeFaces()");
++ aCron.Show( cout );
++ aCron.Reset();
++ aCron.Start();
++#endif
++ }
++
++ if (Limit == TopAbs_WIRE ||
++ Limit == TopAbs_FACE) {
++ for (itl.Initialize(myListShapes);itl.More();itl.Next()) {
++ if ( myMapTools.Contains( itl.Value() ))
++ continue; // no result needed for a tool face
++ const TopoDS_Shape& FacesComp = myImageShape.Image( itl.Value() ).First();
++ for ( exp.Init( FacesComp, Limit); exp.More(); exp.Next())
++ myBuilder.Add ( myShape, exp.Current());
++ }
++ return;
++ }
++
++
++ //-----------------------------------------------
++ // split and add solids and shells
++ //-----------------------------------------------
++
++ Standard_Boolean makeSolids = (Limit == TopAbs_SHAPE ||
++ Limit < TopAbs_SHELL);
++ for (itl.Initialize(myListShapes);itl.More();itl.Next())
++ {
++ const TopoDS_Shape & S = itl.Value();
++ if (S.ShapeType() > TopAbs_SHELL)
++ continue;
++
++ TopTools_ListOfShape NSL; // new shape list
++ MakeShells (S , NSL);
++ if (makeSolids && S.ShapeType() == TopAbs_SOLID )
++ MakeSolids( S, NSL );
++
++ // store new shells or solids
++ TopTools_ListIteratorOfListOfShape itNSL (NSL);
++ for ( ; itNSL.More(); itNSL.Next())
++ myBuilder.Add (myShape, itNSL.Value());
++ }
++#ifdef PART_PERF
++ MESSAGE("+++ MakeShells()");
++ aCron.Show( cout );
++#endif
++
++ //-----------------------------------------------
++ // add split faces
++ //-----------------------------------------------
++
++ for (itl.Initialize(myListShapes);itl.More();itl.Next())
++ {
++ const TopoDS_Shape & S = itl.Value();
++ if (S.ShapeType() != TopAbs_FACE ||
++ myMapTools.Contains( S ))
++ continue;
++ TopoDS_Iterator itS( myImageShape.Image(S).First() );
++ for (; itS.More(); itS.Next())
++ if (! myAddedFacesMap.Contains( itS.Value() ))
++ myBuilder.Add (myShape, itS.Value());
++ }
++
++ myDoneStep = makeSolids ? TopAbs_SOLID : TopAbs_SHELL;
++
++}
++
++//=======================================================================
++//function : MakeSolids
++//purpose : make solids out of Shells
++//=======================================================================
++
++void Partition_Spliter::MakeSolids(const TopoDS_Shape & theSolid,
++ TopTools_ListOfShape & theShellList)
++{
++ // for a solid wrapping other shells or solids without intersection,
++ // it is necessary to find shells making holes in it
++
++ TopTools_ListOfShape aNewSolids; // result
++ TopTools_ListOfShape aHoleShells;
++ TopoDS_Shape anInfinitePointShape;
++
++ Standard_Boolean isWrapping = myWrappingSolid.Contains( theSolid );
++ if (!isWrapping && !theShellList.IsEmpty())
++ {
++ // check if theSolid initially has internal shells
++ TopoDS_Iterator aShellExp (theSolid);
++ aShellExp.Next();
++ isWrapping = aShellExp.More();
++ }
++
++ TopTools_ListIteratorOfListOfShape aShellIt(theShellList);
++ for ( ; aShellIt.More(); aShellIt.Next())
++ {
++ const TopoDS_Shape & aShell = aShellIt.Value();
++
++ // check if a shell is a hole
++ if (isWrapping && IsInside (anInfinitePointShape, aShell))
++ aHoleShells.Append( aShell );
++ else
++ {
++ // make a solid from a shell
++ TopoDS_Solid Solid;
++ myBuilder.MakeSolid( Solid );
++ myBuilder.Add (Solid, aShell);
++
++ aNewSolids.Append (Solid);
++ }
++ }
++
++ // find an outer shell most close to each hole shell
++ TopTools_DataMapOfShapeShape aInOutMap;
++ for (aShellIt.Initialize( aHoleShells ); aShellIt.More(); aShellIt.Next())
++ {
++ const TopoDS_Shape & aHole = aShellIt.Value();
++ TopTools_ListIteratorOfListOfShape aSolisIt (aNewSolids);
++ for ( ; aSolisIt.More(); aSolisIt.Next())
++ {
++ const TopoDS_Shape & aSolid = aSolisIt.Value();
++ if (! IsInside( aHole, aSolid ))
++ continue;
++
++ if ( aInOutMap.IsBound (aHole))
++ {
++ const TopoDS_Shape & aSolid2 = aInOutMap( aHole );
++ if ( IsInside( aSolid, aSolid2 ))
++ {
++ aInOutMap.UnBind( aHole );
++ aInOutMap.Bind ( aHole, aSolid );
++ }
++ }
++ else
++ aInOutMap.Bind ( aHole, aSolid );
++ }
++
++ // add aHole to a solid
++ if (aInOutMap.IsBound( aHole ))
++ myBuilder.Add ( aInOutMap( aHole ), aHole );
++ }
++
++ theShellList.Clear();
++ theShellList.Append( aNewSolids );
++}
++
++//=======================================================================
++//function : FindFacesInside
++//purpose : return compound of faces of other shapes that are
++// inside <theShape>.
++// <theShape> is an object shape.
++// <CheckClosed> makes avoid faces that do not form a
++// closed shell
++// <All> makes return already added faces
++//=======================================================================
++
++TopoDS_Shape Partition_Spliter::FindFacesInside(const TopoDS_Shape& theShape,
++ const Standard_Boolean CheckClosed,
++ const Standard_Boolean All)
++{
++ // ================================================
++ // check if internal faces have been already found
++ // ================================================
++ TopExp_Explorer expl;
++ if (myInternalFaces.IsBound( theShape ))
++ {
++ TopoDS_Shape aIntFComp = myInternalFaces.Find ( theShape );
++ TopoDS_Shape aIntRemFComp = myIntNotClFaces.Find ( theShape );
++
++ expl.Init( aIntRemFComp, TopAbs_FACE);
++ if (CheckClosed || !expl.More())
++ return aIntFComp;
++
++ TopoDS_Compound C;
++ myBuilder.MakeCompound( C );
++ // add removed faces
++ for (; expl.More(); expl.Next())
++ myBuilder.Add( C, expl.Current() );
++ // add good internal faces
++ for (expl.Init( aIntFComp, TopAbs_FACE); expl.More(); expl.Next())
++ myBuilder.Add( C, expl.Current() );
++ return C;
++ }
++
++ // ===================================
++ // get data for internal faces search
++ // ===================================
++
++ // compound of split faces of theShape
++ const TopoDS_Shape& CSF = myImageShape.Image(theShape).First();
++
++ TopTools_MapOfShape MSE, MFP;
++ TopTools_DataMapOfShapeListOfShape DMSEFP;
++ TopTools_MapIteratorOfMapOfShape itm;
++ TopTools_ListOfShape EmptyL;
++
++ // MSE filling: map of new section edges of CSF
++ for (expl.Init(CSF,TopAbs_EDGE); expl.More(); expl.Next()) {
++ const TopoDS_Shape & resE = expl.Current() ;
++ if (myNewSection.Contains( resE )) // only new edges
++ MSE.Add(resE);
++ }
++
++ // DMEF: map edge of CSF - faces of CSF
++ TopTools_IndexedDataMapOfShapeListOfShape DMEF;
++ TopExp::MapShapesAndAncestors(CSF, TopAbs_EDGE, TopAbs_FACE, DMEF);
++
++ // Fill
++ // 1. MFP - a map of faces to process: map of resulting faces except
++ // those of theShape; we`ll add to C those of them which are inside CSF
++ // 2. DMSEFP - edge of MSE => faces of MFP
++ TopTools_ListIteratorOfListOfShape itl;
++ for (itl.Initialize(myListShapes);itl.More();itl.Next()) {
++ const TopoDS_Shape& aShape = itl.Value();
++ if ( theShape.IsSame( aShape )) continue;
++ // fill maps
++ // iterate on split faces of aShape
++ TopoDS_Iterator itF ( myImageShape.Image(aShape).First() );
++ for ( ; itF.More(); itF.Next()) {
++ const TopoDS_Shape& sf = itF.Value();
++ MFP.Add(sf);
++ // iterate on edges of split faces of aShape,
++ // add to DMSEFP edges that are new
++ for (expl.Init( sf, TopAbs_EDGE ); expl.More(); expl.Next()) {
++ TopoDS_Shape se = expl.Current();
++ if ( MSE.Contains(se)) {// section edge
++ if (!DMSEFP.IsBound(se))
++ DMSEFP.Bind(se,EmptyL);
++ DMSEFP(se).Append(sf);
++ }
++ }
++ }
++ }
++
++ // add tool faces having section edges on faces of theShape to MFP and DMSEFP;
++ // such tool faces need not to be reconstructed and so they are not in myListShapes
++ for (itm.Initialize(myMapTools); itm.More(); itm.Next())
++ {
++ const TopoDS_Shape & aToolFace = itm.Key();
++ if (myMapFaces.Contains( aToolFace ))
++ continue;
++ MFP.Add(aToolFace);
++ for (expl.Init( aToolFace, TopAbs_EDGE ); expl.More(); expl.Next()) {
++ TopoDS_Shape se = expl.Current();
++ if ( MSE.Contains( se )) {// section edge
++ if (!DMSEFP.IsBound( se ))
++ DMSEFP.Bind( se, EmptyL );
++ DMSEFP( se ).Append( aToolFace );
++ }
++ }
++ }
++
++
++ // ===========================
++ // find faces inside theShape
++ // ===========================
++
++ Standard_Boolean skipAlreadyAdded = Standard_False;
++ Standard_Boolean GoodOri, inside;
++ Standard_Real dot;
++ TopTools_ListOfShape KeepFaces;
++ TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit;
++
++ // iterate on section edges, check faces of other shapes
++ // sharing section edges and put internal faces to KeepFaces
++ for (Mapit.Initialize(DMSEFP); Mapit.More() ; Mapit.Next() ) {
++ // a new edge of theShape
++ const TopoDS_Edge& E = TopoDS::Edge (Mapit.Key());
++ // an original edge of which E is a split
++ const TopoDS_Edge& OrigE = TopoDS::Edge ( myImagesEdges.Root( E ));
++ // does OrigE itself splits a face
++ Standard_Boolean isSectionE = myInter3d.IsSectionEdge ( OrigE );
++
++ // split faces of other shapes sharing E
++ TopTools_ListOfShape& LSF = DMSEFP.ChangeFind(E);
++ itl.Initialize( LSF );
++ while (itl.More()) {
++ // a split faces of other shape
++ TopoDS_Face aFace1 = TopoDS::Face(itl.Value());
++ // remove aFace1 form DMSEFP and MFP
++ LSF.Remove( itl ); // == itl.Next();
++ if (!MFP.Remove( aFace1 ))
++ continue; // was not is MFP ( i.e already checked)
++ // check if aFace1 was already added to 2 shells
++ if (!All &&
++ myAddedFacesMap.Contains( aFace1 ) &&
++ myAddedFacesMap.Contains( aFace1.Reversed() )) {
++ skipAlreadyAdded = Standard_True;
++ continue;
++ }
++
++ // find another face which originates from the same face as aFace1:
++ // usually aFace2 is internal if aFace1 is not and vice versa
++
++ TopoDS_Shape anOrigFace = aFace1;
++ if (myImagesFaces.IsImage(aFace1))
++ anOrigFace = myImagesFaces.Root(aFace1);
++ TopoDS_Shape aFace2;
++ if ( !isSectionE ) {
++ while (itl.More()) {
++ aFace2 = itl.Value();
++ if (!MFP.Contains( aFace2 )) {
++ LSF.Remove( itl );
++ continue;
++ }
++ if (anOrigFace.IsSame( myImagesFaces.Root( aFace2 )))
++ break;
++ itl.Next();
++ }
++ if (itl.More()) { // aFace2 found, remove it from maps
++ LSF.Remove( itl );
++ MFP.Remove(aFace2);
++ }
++ else
++ aFace2.Nullify();
++ itl.Initialize( LSF );
++ }
++
++ // check that anOrigFace is not same domain with CSF faces it intersects
++
++ const TopTools_ListOfShape& FL = DMEF.FindFromKey(E); //faces of CSF sharing E
++ const TopoDS_Shape& origF1 = myImagesFaces.Root(FL.First());
++ const TopoDS_Shape& origF2 = myImagesFaces.Root(FL.Last());
++ Standard_Boolean sameDom1 = anOrigFace.IsSame( origF1 );
++ Standard_Boolean sameDom2 = anOrigFace.IsSame( origF2 );
++ if (!(sameDom1 || sameDom2) && myInter3d.HasSameDomainF( anOrigFace )) {
++ sameDom1 = myInter3d.IsSameDomainF( anOrigFace, origF1);
++ if (origF1 == origF2)
++ sameDom2 = sameDom1;
++ else
++ myInter3d.IsSameDomainF( anOrigFace, origF2);
++ }
++ if (sameDom1 && sameDom2)
++ continue;
++ if ((sameDom1 || sameDom2)) {
++ inside = Partition_Loop3d::IsInside (E,
++ TopoDS::Face(FL.First()),
++ TopoDS::Face(FL.Last()),
++ 1, dot, GoodOri);
++ if (inside || (dot + Precision::Angular() >= 1.0))
++ continue; // E is convex between origF1 and origF2 or they are tangent
++ }
++
++
++ // keep one of found faces
++
++ //face of CSF sharing E
++ const TopoDS_Shape& aShapeFace = sameDom1 ? FL.Last() : FL.First();
++ // analyse aFace1 state
++ inside = Partition_Loop3d::IsInside (E, TopoDS::Face(aShapeFace), aFace1,
++ 1, dot, GoodOri);
++ if (inside && isSectionE)
++ {
++ // aFace1 must be tested with both adjacent faces of CSF
++ const TopoDS_Shape& aShapeFace2 = sameDom1 ? FL.First() : FL.Last();
++ if (aShapeFace2 != aShapeFace)
++ inside = Partition_Loop3d::IsInside (E, TopoDS::Face(aShapeFace2), aFace1,
++ 1, dot, GoodOri);
++ }
++
++ // store internal face
++ if (inside)
++ KeepFaces.Append(aFace1);
++
++ else if (!aFace2.IsNull())
++ {
++ if (dot + Precision::Angular() >= 1.0)
++ {
++ // aFace2 state is not clear, it will be analysed alone,
++ // put it back to the maps
++ MFP.Add( aFace2 );
++ LSF.Append( aFace2 );
++ }
++ else
++ KeepFaces.Append(aFace2);
++ }
++ }
++ }
++
++ // ===================================================
++ // add not distributed faces connected with KeepFaces
++ // ===================================================
++
++ // ultimate list of internal faces
++ TopTools_ListOfShape KeptFaces;
++
++ // add to MFP not split tool faces as well, they may be connected with
++ // tool faces interfering with theShape
++ for ( itm.Initialize(myMapTools); itm.More(); itm.Next() ) {
++ const TopoDS_Shape& aToolFace = itm.Key();
++ if (!myImageShape.HasImage(aToolFace))
++ MFP.Add (aToolFace);
++ }
++
++ if (MFP.IsEmpty())
++ KeptFaces.Append (KeepFaces);
++
++ while (!KeepFaces.IsEmpty())
++ {
++ // KeepEdges : map of edges of faces kept last time
++ TopTools_IndexedMapOfShape KeepEdges;
++ for ( itl.Initialize(KeepFaces); itl.More(); itl.Next() ) {
++ TopExp::MapShapes( itl.Value(), TopAbs_EDGE, KeepEdges);
++ KeptFaces.Append( itl.Value() );
++ }
++
++ KeepFaces.Clear();
++
++ // keep faces connected with already kept faces by KeepEdges
++ for ( itm.Initialize(MFP); itm.More(); itm.Next() ) {
++ const TopoDS_Shape& FP = itm.Key();
++ for (expl.Init(FP,TopAbs_EDGE); expl.More(); expl.Next()) {
++ const TopoDS_Shape& se = expl.Current();
++ if (!MSE.Contains(se) && KeepEdges.Contains(se) ) {
++ KeepFaces.Append(FP);
++ MFP.Remove(FP);
++ break;
++ }
++ }
++ }
++ }
++
++ // ===============================================================
++ // here MFP contains faces outer of theShape and those of shapes
++ // which do not interfere with theShape at all and between which
++ // there may be those wrapped by theShape and whose faces may be
++ // needed to be returned as well
++ // ===============================================================
++
++ Standard_Boolean isSolid = (theShape.ShapeType() == TopAbs_SOLID);
++ if (All || isSolid) // All is for sub-result removal
++ {
++ // loop on not used faces; checked faces will be removed from MFP
++ // during the loop
++ for ( itm.Initialize( MFP ); itm.More(); itm.Next() ) {
++ const TopoDS_Shape & aFace = itm.Key();
++
++ // a shape which aFace originates from
++ TopoDS_Shape anOrigShape = GetOriginalShape( aFace );
++
++ // find out if all split faces of anOrigShape are not in MFP
++ // and by the way remove them from MFP
++ Standard_Boolean isAllOut = Standard_True;
++ TopoDS_Shape aSplitFaces = anOrigShape;
++ if (myImageShape.HasImage(anOrigShape))
++ aSplitFaces = myImageShape.Image(anOrigShape).First();
++
++ TopTools_ListOfShape aSplitFaceL; // faces candidate to be kept
++ for (expl.Init( aSplitFaces, TopAbs_FACE ); expl.More(); expl.Next())
++ {
++ const TopoDS_Shape & aSpFace = expl.Current();
++ // a tool face which became object has image but the whole tool shape has not
++ if (myImageShape.HasImage( aSpFace ))
++ {
++ TopExp_Explorer exF (myImageShape.Image( aSpFace ).First(), TopAbs_FACE );
++ for ( ; exF.More(); exF.Next() )
++ {
++ aSplitFaceL.Append( exF.Current() );
++ if ( ! MFP.Remove( exF.Current() ) && isAllOut )
++ // a shared face might be removed from MFP during a prev loop
++ isAllOut = mySharedFaces.Contains( exF.Current() );
++ }
++ }
++ else
++ {
++ aSplitFaceL.Append( aSpFace );
++ if ( ! MFP.Remove( aSpFace ) && isAllOut)
++ // a shared face might be removed from MFP during a prev loop
++ isAllOut = mySharedFaces.Contains( aSpFace );
++ }
++ }
++ itm.Initialize( MFP ); // iterate remaining faces
++ if ( !isAllOut )
++ continue;
++
++ // classify anOrigShape against theShape
++ if (IsInside (anOrigShape, theShape))
++ {
++ if (isSolid && myClosedShapes.Contains( anOrigShape ))
++ // to make a special care at solid reconstruction
++ myWrappingSolid.Add ( theShape );
++
++ // keep faces of an internal shape anOrigShape
++ KeptFaces.Append( aSplitFaceL );
++ }
++ }
++ }
++
++ // ====================================================
++ // check if kept faces form a shell without free edges
++ // ====================================================
++
++ DMEF.Clear(); // edge - kept faces
++ MFP.Clear(); // reuse it for wrong faces
++ if (CheckClosed) {
++ for (itl.Initialize(KeptFaces); itl.More(); itl.Next() )
++ TopExp::MapShapesAndAncestors(itl.Value(), TopAbs_EDGE, TopAbs_FACE, DMEF);
++
++ Standard_Integer i, nb = DMEF.Extent();
++ Standard_Boolean isClosed = Standard_False;
++ while (!isClosed) {
++ isClosed = Standard_True;
++ for (i=1; isClosed && i<=nb; ++i) {
++ const TopoDS_Shape& E = DMEF.FindKey( i );
++ if (! BRep_Tool::Degenerated( TopoDS::Edge( E )) &&
++ ! MSE.Contains( E ))
++ isClosed = ( DMEF(i).Extent() != 1 );
++ }
++ if (!isClosed) {
++ const TopoDS_Shape& F = DMEF.FindFromIndex( i-1 ).First(); // bad face
++ MFP.Add( F );
++ // remove bad face from DMEF
++ for (expl.Init( F, TopAbs_EDGE); expl.More(); expl.Next()) {
++ const TopoDS_Shape& E = expl.Current();
++ TopTools_ListOfShape& FL = DMEF.ChangeFromKey( E );
++ for (itl.Initialize( FL ); itl.More(); itl.Next() ) {
++ if ( F.IsSame( itl.Value() )) {
++ FL.Remove( itl );
++ break;
++ }
++ }
++ }
++ }
++ }
++ }
++
++ // ==============
++ // make a result
++ // ==============
++
++ TopoDS_Compound C;
++ // compound of removed internal faces
++ TopoDS_Compound CNotCl;
++
++ myBuilder.MakeCompound(C);
++ myBuilder.MakeCompound(CNotCl);
++
++ // add to compounds
++ for (itl.Initialize(KeptFaces); itl.More(); itl.Next() )
++ {
++ TopoDS_Shape & aIntFace = itl.Value();
++ if (! MFP.Contains( aIntFace ))
++ myBuilder.Add( C, aIntFace);
++ else
++ myBuilder.Add( CNotCl, aIntFace);
++ }
++
++ if (!skipAlreadyAdded && CheckClosed)
++ {
++ myInternalFaces.Bind( theShape, C );
++ myIntNotClFaces.Bind( theShape, CNotCl );
++ }
++
++ return C;
++}
++
++//=======================================================================
++//function : MakeShell
++//purpose : split S into compound of shells
++//=======================================================================
++
++void Partition_Spliter::MakeShells(const TopoDS_Shape& S,
++ TopTools_ListOfShape& NS)
++{
++ Partition_Loop3d ShellMaker;
++ // get compound of split faces of S
++ const TopoDS_Shape& FacesComp = myImageShape.Image(S).First();
++ ShellMaker.AddConstFaces( FacesComp );
++ // add split faces inside S
++ if (myClosedShapes.Contains( S )) {
++ TopoDS_Shape InternalFacesComp = FindFacesInside(S, Standard_True);
++ ShellMaker.AddSectionFaces( InternalFacesComp );
++ }
++
++ NS = ShellMaker.MakeShells( myAddedFacesMap );
++
++ // Add faces added to new shell to myAddedFacesMap:
++ // avoid rebuilding twice commont part of 2 solids.
++ TopTools_ListIteratorOfListOfShape itS(NS);
++ while ( itS.More()) {
++ TopExp_Explorer expF (itS.Value(), TopAbs_FACE);
++ for (; expF.More(); expF.Next())
++ myAddedFacesMap.Add (expF.Current());
++
++ itS.Next();
++ }
++}
++
++//=======================================================================
++//function : findEqual
++//purpose : compare edges of EL1 against edges of EL2,
++// Result is in EMM binding EL1 edges to list of equal edges.
++// Edges are considered equall only if they have same vertices.
++// <addSame>==True makes consider same edges as equal
++// Put in <AllEqMap> all equal edges
++//=======================================================================
++
++static void findEqual (const TopTools_ListOfShape& EL1,
++ const TopTools_ListOfShape& EL2,
++ const Standard_Boolean addSame,
++ TopTools_DataMapOfShapeListOfShape& EEM,
++ TopTools_MapOfShape& AllEqMap)
++{
++ // map vertices to edges for EL2
++ TopTools_DataMapOfShapeListOfShape VEM;
++ TopTools_ListIteratorOfListOfShape itE1, itE2(EL2);
++ TopoDS_Iterator itV;
++ TopTools_ListOfShape emptyL;
++ for (; itE2.More(); itE2.Next()) {
++ for (itV.Initialize( itE2.Value() ); itV.More(); itV.Next()) {
++ const TopoDS_Shape& V = itV.Value();
++ if (! VEM.IsBound( V ) )
++ VEM.Bind( V, emptyL);
++ VEM( V ).Append( itE2.Value());
++ }
++ }
++
++ gp_Vec D1, D2;
++ gp_Pnt P;
++ Standard_Real f,l,u,tol;
++ Handle(Geom_Curve) C1, C2;
++ Extrema_ExtPC Extrema;
++ TopoDS_Vertex V1, V2, V3, V4;
++
++ AllEqMap.Clear();
++
++ for (itE1.Initialize(EL1); itE1.More(); itE1.Next()) {
++ const TopoDS_Edge& E1 = TopoDS::Edge( itE1.Value());
++ if (BRep_Tool::Degenerated( E1 ) || AllEqMap.Contains (E1))
++ continue;
++ TopExp::Vertices( E1, V1, V2 );
++
++ if (VEM.IsBound(V1))
++ itE2.Initialize( VEM(V1) );
++ for (; itE2.More(); itE2.Next()) {
++ const TopoDS_Edge& E2 = TopoDS::Edge( itE2.Value());
++ if (BRep_Tool::Degenerated( E2 ) || AllEqMap.Contains (E2))
++ continue;
++
++ if (E1.IsSame(E2)) {
++ if (!addSame)
++ continue;
++ }
++ else {
++ TopExp::Vertices( E2, V3, V4);
++ if (!V2.IsSame(V4) && !V2.IsSame(V3))
++ continue;
++ // E1 and E2 have same vertices
++ // check D1 at end points.
++ C2 = BRep_Tool::Curve( E2, f,l);
++ C1 = BRep_Tool::Curve( E1, f,l);
++ u = BRep_Tool::Parameter(V1,E1);
++ C1->D1(u, P, D1);
++ u = BRep_Tool::Parameter(V1.IsSame(V3) ? V3 : V4, E2);
++ C2->D1(u, P, D2);
++ D1.Normalize(); D2.Normalize();
++ if (Abs(D1*D2) + Precision::Angular() < 1.0)
++ continue;
++ if (! V1.IsSame(V2)) {
++ u = BRep_Tool::Parameter(V2,E1);
++ C1->D1(u, P, D1);
++ u = BRep_Tool::Parameter(V2.IsSame(V3) ? V3 : V4, E2);
++ C2->D1(u, P, D2);
++ D1.Normalize(); D2.Normalize();
++ if (Abs(D1*D2) + Precision::Angular() < 1.0)
++ continue;
++ }
++ // check distance at a couple of internal points
++ tol = Max(BRep_Tool::Tolerance(E1),
++ BRep_Tool::Tolerance(E2));
++ GeomAdaptor_Curve AC1(C1);
++ Extrema.Initialize(AC1,f,l);
++ Standard_Boolean ok = Standard_True, hasMin = Standard_False;
++ BRep_Tool::Range( E2, f, l);
++ Standard_Integer i=1, nbi=3;
++ for (; i<nbi && ok; ++i) {
++ Extrema.Perform( C2->Value( f+(l-f)*i/nbi ));
++ Standard_Integer j=1, nbj=Extrema.NbExt();
++ for (; j<=nbj && ok; ++j) {
++ if (Extrema.IsMin(j)) {
++ hasMin = Standard_True;
++ ok = Extrema.Value(j) <= tol;
++ }
++ }
++ }
++ if ( !hasMin || !ok)
++ continue;
++ }
++ // bind E2 to E1 in EEM
++ if (!EEM.IsBound(E1)) {
++ EEM.Bind (E1, emptyL);
++ AllEqMap.Add (E1);
++ }
++ EEM(E1).Append(E2);
++ AllEqMap.Add (E2);
++ }
++ }
++}
++
++//=======================================================================
++//function : MakeFaces
++//purpose : split faces of S, return compound of new faces
++//=======================================================================
++
++TopoDS_Shape Partition_Spliter::MakeFaces (const TopoDS_Shape& S)
++{
++ TopoDS_Compound C;
++ myBuilder.MakeCompound(C);
++
++ TopTools_ListIteratorOfListOfShape itl, itNE;
++
++ TopExp_Explorer exp(S,TopAbs_FACE);
++ for (; exp.More(); exp.Next()) {
++
++ const TopoDS_Face& F = TopoDS::Face(exp.Current());
++
++ TopTools_ListOfShape LNF;
++
++ if (myImagesFaces.HasImage( F )) {
++ myImagesFaces.LastImage( F, LNF );
++ TopAbs_Orientation oriF = F.Orientation();
++ for ( itl.Initialize( LNF ); itl.More(); itl.Next())
++ itl.Value().Orientation( oriF );
++ }
++ else {
++
++ Partition_Loop2d loops;
++ loops.Init(F);
++
++ TopTools_IndexedMapOfShape EM;
++ TopExp::MapShapes( F, TopAbs_EDGE, EM);
++
++ TopTools_MapOfShape AddedEqualM, EqualSeamM;
++ Standard_Boolean needRebuild = Standard_False;
++
++ // add splits to loops
++
++ // LE: old edges + new not splitted edges
++ const TopTools_ListOfShape& LE = myAsDes->Descendant(F);
++ for (itl.Initialize(LE); itl.More(); itl.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge( itl.Value() );
++
++ Standard_Boolean isSectionE = myInter3d.IsSectionEdge(E);
++ Standard_Boolean isNewE = !EM.Contains( E );
++
++ // LSE: list of split edges
++ TopTools_ListOfShape LSE;
++ myImagesEdges.LastImage(E,LSE); // splits of E or E itself
++
++ for (itNE.Initialize(LSE); itNE.More(); itNE.Next()) {
++
++ TopoDS_Edge NE = TopoDS::Edge( itNE.Value() );
++ Standard_Boolean isSameE = NE.IsSame ( E );
++
++ if ( isNewE || isSectionE || !isSameE) {
++ if (AddedEqualM.Contains( NE )) {
++ // a seam must be twice in a loop
++ if (!BRep_Tool::IsClosed( E, F ) || !EqualSeamM.Add( NE ))
++ continue;
++ }
++
++ if (isNewE) {
++ if (isSectionE) {
++ if ( ! myInter3d.IsSplitOn( NE, E, F) )
++ continue;
++ }
++ else {
++ TopoDS_Vertex V1,V2;
++ TopExp::Vertices(NE,V1,V2);
++ const TopTools_ListOfShape& EL1 = myAsDes->Ascendant(V1);
++ const TopTools_ListOfShape& EL2 = myAsDes->Ascendant(V2);
++ if ( EL1.Extent() < 2 && EL2.Extent() < 2 )
++ continue;
++ }
++ }
++ else {
++ NE.Orientation( E.Orientation());
++ if (!isSameE) {
++ // orient NE because it may be a split of other edge
++ Standard_Real f,l,u;
++ Handle(Geom_Curve) C3d = BRep_Tool::Curve( E,f,l );
++ Handle(Geom_Curve) NC3d = BRep_Tool::Curve( NE,f,l);
++ if ( C3d != NC3d) {
++ gp_Vec D1, ND1; gp_Pnt P;
++ TopoDS_Vertex V = TopExp::FirstVertex(NE);
++ u = BRep_Tool::Parameter(V,NE);
++ NC3d->D1 (u, P, ND1);
++ u = BRep_Tool::Parameter(V,E);
++ C3d ->D1 (u, P, D1);
++ if (ND1.Dot(D1) < 0)
++ NE.Reverse();
++ }
++ }
++ }
++ if (myEqualEdges.Contains( NE ))
++ AddedEqualM.Add( NE );
++
++ needRebuild = Standard_True;
++ }
++
++ if (isNewE || isSectionE)
++ myNewSection.Add( NE );
++
++ if (isNewE)
++ loops.AddSectionEdge(NE);
++ else
++ loops.AddConstEdge(NE);
++ }
++ }
++
++ //-------------------
++ // Build the faces.
++ //-------------------
++
++ if (needRebuild) {
++
++ loops.Perform();
++ loops.WiresToFaces(myImagesEdges);
++
++ LNF = loops.NewFaces();
++
++ myImagesFaces.Bind(F,LNF);
++
++ // replace the result faces that have already been built
++ // during same domain faces reconstruction done earlier
++ if (myInter3d.HasSameDomainF( F ))
++ {
++ // build map edge to same domain faces: EFM
++ TopTools_IndexedDataMapOfShapeListOfShape EFM;
++ TopTools_MapOfShape SDFM; // avoid doubling
++ itl.Initialize( myInter3d.SameDomain( F ));
++ for (; itl.More(); itl.Next()) {
++ if ( !myImagesFaces.HasImage( itl.Value() ))
++ continue;
++ // loop on splits of a SD face
++ TopTools_ListIteratorOfListOfShape itNF;
++ itNF.Initialize (myImagesFaces.Image( itl.Value() ));
++ for ( ; itNF.More(); itNF.Next()) {
++ TopoDS_Shape SDF = itNF.Value();
++ if (myImagesFaces.HasImage( SDF )) // already replaced
++ SDF = myImagesFaces.Image( SDF ).First();
++ if (SDFM.Add (SDF))
++ TopExp::MapShapesAndAncestors(SDF, TopAbs_EDGE, TopAbs_FACE, EFM);
++ }
++ }
++ // do replace faces in the LNF
++ TopTools_ListOfShape LOF;
++ if ( !EFM.IsEmpty() )
++ itl.Initialize( LNF );
++ while (itl.More()) {
++ const TopoDS_Shape& NF = itl.Value();
++ TopExp_Explorer expE ( NF, TopAbs_EDGE );
++ const TopoDS_Edge& E = TopoDS::Edge (expE.Current());
++ if (EFM.Contains( E )) {
++ const TopTools_ListOfShape& SDFL = EFM.FindFromKey( E );
++ TopoDS_Shape SDF = SDFL.First();
++ Standard_Boolean GoodOri;
++ Standard_Real dot;
++ Partition_Loop3d::IsInside (E, TopoDS::Face(NF), TopoDS::Face(SDF),
++ 1, dot, GoodOri);
++ if (dot < 0)
++ {
++ // NF and SDF are on different side of E
++ if (SDFL.Extent() == 1) {
++ itl.Next();
++ continue;
++ }
++ else
++ SDF = SDFL.Last(); // next face must be on the same side
++ }
++ gp_Vec V1 = Partition_Loop3d::Normal( E, TopoDS::Face( NF ));
++ gp_Vec V2 = Partition_Loop3d::Normal( E, TopoDS::Face( SDF ));
++ if (V1*V2 < 0)
++ SDF.Reverse();
++
++ if (!myImagesFaces.HasImage( NF ))
++ myImagesFaces.Bind( NF, SDF );
++
++ // mySharedFaces is used in FindFacesInside()
++ mySharedFaces.Add( SDF );
++
++ LOF.Prepend ( SDF );
++ LNF.Remove (itl);
++ }
++ else
++ itl.Next();
++ }
++
++ LNF.Append (LOF);
++ }
++ } // if (needRebuild)
++
++ else {
++ LNF.Append( F );
++ myImagesFaces.Bind(F,LNF);
++ }
++ } // if (myImagesFaces.HasImage( F ))
++
++ // fill the resulting compound
++ for (itl.Initialize(LNF); itl.More(); itl.Next())
++ myBuilder.Add ( C, itl.Value());
++
++ } // loop on faces of S
++
++ return C;
++}
++
++
++//=======================================================================
++//function : Tri
++//purpose :
++//=======================================================================
++
++static void Tri(const TopoDS_Edge& E,
++ TopTools_SequenceOfShape& Seq,
++ const Partition_Inter3d & theInter3d)
++{
++ Standard_Boolean Invert = Standard_True;
++ Standard_Real U1,U2;
++ TopoDS_Vertex V1,V2;
++
++ while (Invert) {
++ Invert = Standard_False;
++ for ( Standard_Integer i = 1; i < Seq.Length(); i++) {
++
++ V1 = TopoDS::Vertex(Seq.Value(i));
++ V2 = TopoDS::Vertex(Seq.Value(i+1));
++
++ V1.Orientation(TopAbs_INTERNAL);
++ V2.Orientation(TopAbs_INTERNAL);
++
++ U1 = BRep_Tool::Parameter(V1,E);
++ U2 = BRep_Tool::Parameter(V2,E);
++
++ if (IsEqual(U1,U2)) {
++ if (theInter3d.ReplaceSameDomainV( V1, E ).IsSame( V1 ))
++ Seq.Remove(i+1); // remove V2
++ else
++ Seq.Remove(i);
++ i--;
++ continue;
++ }
++ if (U2 < U1) {
++ Seq.Exchange(i,i+1);
++ Invert = Standard_True;
++ }
++ }
++ }
++}
++
++//=======================================================================
++//function : MakeEdges
++//purpose : cut E by vertices VOnE, return list of new edges NE
++//=======================================================================
++
++void Partition_Spliter::MakeEdges (const TopoDS_Edge& E,
++ const TopTools_ListOfShape& VOnE,
++ TopTools_ListOfShape& NE ) const
++{
++ TopoDS_Edge WE = E;
++ WE.Orientation(TopAbs_FORWARD);
++
++ Standard_Real U1,U2, f, l;
++ TopoDS_Vertex V1,V2,VF,VL;
++
++ BRep_Tool::Range(WE,f,l);
++ TopExp::Vertices(WE,VF,VL);
++
++ if (VOnE.Extent() < 3) { // do not rebuild not cut edge
++ if (( VF.IsSame( VOnE.First() ) && VL.IsSame( VOnE.Last() )) ||
++ VL.IsSame( VOnE.First() ) && VF.IsSame( VOnE.Last() ) ) {
++ NE.Append( E );
++ return;
++ }
++ }
++
++ TopTools_SequenceOfShape SV;
++ TopTools_ListIteratorOfListOfShape itv(VOnE);
++ TopTools_MapOfOrientedShape VM( VOnE.Extent() );
++ for (; itv.More(); itv.Next())
++ if ( VM.Add( itv.Value() ))
++ SV.Append(itv.Value());
++
++ Tri( WE, SV, myInter3d );
++
++ if (SV.Length() < 3) { // do not rebuild not cut edge
++ if (( VF.IsSame( SV.First() ) && VL.IsSame( SV.Last() )) ||
++ VL.IsSame( SV.First() ) && VF.IsSame( SV.Last() ) ) {
++ NE.Append( E );
++ return;
++ }
++ }
++
++ Standard_Integer iVer, NbVer = SV.Length();
++
++
++ //----------------------------------------------------------------
++ // Construction of the new edges .
++ //----------------------------------------------------------------
++
++ if (VF.IsSame(VL)) { // closed edge
++ if (NbVer==1)
++ SV.Append( SV.First() );
++ else if (!SV.First().IsSame(SV.Last())) {
++ Standard_Boolean isFirst=0;
++ Standard_Real minDU = 1.e10;
++ TopoDS_Vertex endV = Partition_Inter2d::FindEndVertex(VOnE, f,l, E, isFirst,minDU);
++ if (endV.IsSame(SV.First()))
++ SV.Append(endV);
++ else if (endV.IsSame(SV.Last()))
++ SV.Prepend(endV);
++ else
++ MESSAGE ("END VERTEX IS IN SEQUNCE MIDDLE");
++ }
++ NbVer = SV.Length();
++ }
++
++ for (iVer=1; iVer < NbVer; iVer++) {
++ V1 = TopoDS::Vertex(SV(iVer));
++ V2 = TopoDS::Vertex(SV(iVer+1));
++
++ TopoDS_Shape NewEdge = WE.EmptyCopied();
++ V1.Orientation(TopAbs_FORWARD);
++ myBuilder.Add (NewEdge,V1);
++ V2.Orientation(TopAbs_REVERSED);
++ myBuilder.Add (NewEdge,V2);
++
++ if (iVer==1)
++ U1 = f;
++ else {
++ V1.Orientation(TopAbs_INTERNAL);
++ U1=BRep_Tool::Parameter(V1,WE);
++ }
++ if (iVer+1 == NbVer)
++ U2 = l;
++ else {
++ V2.Orientation(TopAbs_INTERNAL);
++ U2=BRep_Tool::Parameter(V2,WE);
++ }
++ if (Abs(U1-U2) <= Precision::PConfusion()) {
++ MESSAGE( "MakeEdges(), EQUAL PARAMETERS OF DIFFERENT VERTICES");
++ continue;
++ }
++ TopoDS_Edge EE=TopoDS::Edge(NewEdge);
++ myBuilder.Range (EE,U1,U2);
++
++ TopoDS_Edge NEdge = TopoDS::Edge(NewEdge);
++ myBuilder.SameParameter(NEdge,Standard_False);
++
++ Standard_Real tol = 1.0e-2;
++ Standard_Boolean flag = BRep_Tool::SameParameter(NEdge);
++ if (!flag) {
++ BRepLib::SameParameter(NEdge,tol);
++ }
++ NE.Append(NEdge.Oriented(E.Orientation()));
++ }
++}
++
++//=======================================================================
++//function : MergeEqualEdges
++//purpose : find equal edges, choose ones to keep and make
++// them have pcurves on all faces they are shared by
++//=======================================================================
++
++void Partition_Spliter::MergeEqualEdges (const TopTools_ListOfShape& LSE)
++{
++ // find equal edges
++ // map: edge - equal edges
++ TopTools_DataMapOfShapeListOfShape EEM( LSE.Extent() );
++ findEqual (LSE, LSE, 0, EEM, myEqualEdges);
++
++ TopTools_ListOfShape EEL; // list of equal edges
++ TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itM (EEM);
++ for ( ; itM.More(); itM.Next()) {
++ EEL = itM.Value();
++ EEL.Append( itM.Key() );
++
++ // choose an edge to keep, section edges have priority
++ TopoDS_Edge EKeep;
++ TopTools_ListIteratorOfListOfShape itEE (EEL);
++ for (; itEE.More(); itEE.Next()) {
++ EKeep = TopoDS::Edge( itEE.Value() );
++ const TopoDS_Edge& EKeepOrig = TopoDS::Edge( myImagesEdges.Root( EKeep ));
++ if (myInter3d.IsSectionEdge( EKeepOrig ))
++ break;
++ }
++
++ // update edge images and build pcurves
++ Standard_Real f,l, tol;
++ for (itEE.Initialize (EEL); itEE.More(); itEE.Next()) {
++ const TopoDS_Edge& E = TopoDS::Edge( itEE.Value() );
++ if ( E.IsSame( EKeep ))
++ continue;
++
++ // 1. build pcurves of the kept edge on faces where replaced edges exist
++ const TopoDS_Edge& EReplOrig = TopoDS::Edge( myImagesEdges.Root( E ));
++ TopTools_ListOfShape FL;
++ FL = myAsDes->Ascendant( EReplOrig );
++ Standard_Integer iFace, iFirstSectionFace = FL.Extent() + 1;
++ // add faces where the replaced edge is a section edge
++ if (myInter3d.IsSectionEdge( EReplOrig )) {
++ TopTools_ListIteratorOfListOfShape seIt;
++ seIt.Initialize( myInter3d.SectionEdgeFaces ( EReplOrig ));
++ for ( ; seIt.More(); seIt.Next())
++ FL.Append( seIt.Value() );
++ }
++ // loop on faces
++ TopTools_ListIteratorOfListOfShape itF (FL);
++ for ( iFace = 1 ; itF.More(); itF.Next(), ++iFace ) {
++ const TopoDS_Face& F = TopoDS::Face( itF.Value());
++
++ Handle(Geom2d_Curve) pc = BRep_Tool::CurveOnSurface( EKeep, F, f,l);
++ if (pc.IsNull()) {
++ Handle(Geom_Curve) C3d = BRep_Tool::Curve( EKeep, f, l);
++ C3d = new Geom_TrimmedCurve( C3d, f,l);
++ pc = TopOpeBRepTool_CurveTool::MakePCurveOnFace (F,C3d,tol);
++ if (pc.IsNull()) {
++ MESSAGE (" CANT BUILD PCURVE ");
++ }
++ myBuilder.UpdateEdge( EKeep, pc, F, tol);
++ }
++
++ if (iFace >= iFirstSectionFace ||
++ !BRep_Tool::IsClosed( EReplOrig, F ))
++ continue;
++
++ // build the second pcurve for a seam
++ TopoDS_Vertex V = TopExp::FirstVertex( EKeep );
++ Standard_Real Ukeep = BRep_Tool::Parameter( V, EKeep );
++ Standard_Real Urepl = BRep_Tool::Parameter( V, E );
++
++ TopoDS_Edge EReplRev = E;
++ EReplRev.Reverse();
++ Handle(Geom2d_Curve) pcRepl1 = BRep_Tool::CurveOnSurface( E, F, f,l);
++ Handle(Geom2d_Curve) pcRepl2 = BRep_Tool::CurveOnSurface( EReplRev, F, f,l);
++
++ gp_Pnt2d p1r, p2r, pk;
++ p1r = pcRepl1->Value( Urepl );
++ p2r = pcRepl2->Value( Urepl );
++ pk = pc->Value( Ukeep );
++
++ // suppose that pk is equal to either p1r or p2r
++ Standard_Boolean isUPeriod =
++ ( Abs( p1r.X() - p2r.X() ) > Abs( p1r.Y() - p2r.Y() ));
++ Standard_Boolean is1Equal;
++ if (isUPeriod)
++ is1Equal = ( Abs( p1r.X() - pk.X() ) < Abs( p2r.X() - pk.X() ));
++ else
++ is1Equal = ( Abs( p1r.Y() - pk.Y() ) < Abs( p2r.Y() - pk.Y() ));
++
++ Handle(Geom2d_Curve) pc2 = Handle(Geom2d_Curve)::DownCast
++ ( pc->Translated( pk, is1Equal ? p2r : p1r ) );
++
++ if (E.Orientation() == TopAbs_REVERSED)
++ is1Equal = !is1Equal;
++
++ if (is1Equal)
++ myBuilder.UpdateEdge( EKeep, pc, pc2, F, tol);
++ else
++ myBuilder.UpdateEdge( EKeep, pc2, pc, F, tol);
++
++ } // loop on a Faces where a replaced edge exists
++
++
++ // 2. update edge images according to replacement
++ if (myImagesEdges.HasImage( E ))
++ myImagesEdges.Remove( E );
++ myImagesEdges.Bind( E, EKeep );
++
++ } // loop on a list of equal edges EEL
++ } // loop on a map of equal edges EEM
++}
++
++//=======================================================================
++//function : KeepShapesInside
++//purpose : remove shapes that are outside of S from resul
++//=======================================================================
++
++void Partition_Spliter::KeepShapesInside (const TopoDS_Shape& S)
++{
++ TopoDS_Iterator it;
++ if (S.ShapeType() < TopAbs_SOLID) { // compound or compsolid
++ for (it.Initialize( S ); it.More(); it.Next())
++ KeepShapesInside( it.Value());
++ return;
++ }
++
++ Standard_Boolean isTool = Standard_False;
++ if (!myImageShape.HasImage( S )) {
++ isTool = CheckTool( S );
++ if (!isTool) return;
++ }
++
++ // build map of internal faces
++ TopTools_IndexedMapOfShape MIF;
++ TopoDS_Shape IntFacesComp = FindFacesInside( S, Standard_False, Standard_True);
++ TopExp::MapShapes( IntFacesComp, TopAbs_FACE, MIF );
++
++ TopoDS_Compound C;
++ myBuilder.MakeCompound(C);
++
++ TopAbs_ShapeEnum anInternalShapeType = TopAbs_SHAPE;
++ if (!MIF.IsEmpty())
++ {
++ // leave in the result only those shapes having a face in MIF
++ for (it.Initialize( myShape ); it.More(); it.Next()) {
++ const TopoDS_Shape & aResShape = it.Value();
++ TopExp_Explorer expResF( aResShape, TopAbs_FACE );
++ for (; expResF.More(); expResF.Next()) {
++ if ( MIF.Contains( expResF.Current())) {
++ myBuilder.Add( C, aResShape );
++ if (aResShape.ShapeType() < anInternalShapeType)
++ anInternalShapeType = aResShape.ShapeType();
++ break;
++ }
++ }
++ }
++ }
++
++ // may be S was not split by internal faces then it is missing
++ // in myShape, add it
++ if (!isTool &&
++ (anInternalShapeType > TopAbs_SOLID || S.ShapeType() > TopAbs_SOLID))
++ {
++ TopTools_IndexedMapOfShape MSF; // map of split faces of S
++ TopExp::MapShapes( myImageShape.Image(S).First(), TopAbs_FACE, MSF);
++
++ // find a shape having all faces in MSF
++ for (it.Initialize( myShape ); it.More(); it.Next()) {
++ TopExp_Explorer expResF( it.Value(), TopAbs_FACE );
++ for (; expResF.More(); expResF.Next()) {
++ if (! MSF.Contains( expResF.Current()))
++ break;
++ }
++ if (! expResF.More()) {
++ myBuilder.Add( C, it.Value() );
++ break;
++ }
++ }
++ }
++
++ myShape = C;
++}
++
++//=======================================================================
++//function : RemoveShapesInside
++//purpose : remove shapes that are inside S from resul
++//=======================================================================
++
++void Partition_Spliter::RemoveShapesInside (const TopoDS_Shape& S)
++{
++ TopoDS_Iterator it;
++ if (S.ShapeType() < TopAbs_SOLID) { // compound or compsolid
++ for (it.Initialize( S ); it.More(); it.Next())
++ RemoveShapesInside( it.Value());
++ return;
++ }
++ Standard_Boolean isTool = Standard_False;
++ if (!myImageShape.HasImage( S )) {
++ isTool = CheckTool( S );
++ if (!isTool) return;
++ }
++
++ TopoDS_Shape IntFacesComp = FindFacesInside( S, Standard_False, Standard_True);
++ TopTools_IndexedMapOfShape MIF; // map of internal faces
++ TopExp::MapShapes( IntFacesComp, TopAbs_FACE, MIF);
++
++ if (MIF.IsEmpty()) return;
++
++ // add to MIF split faces of S
++ if (myImageShape.HasImage(S))
++ TopExp::MapShapes( myImageShape.Image(S).First(), TopAbs_FACE, MIF);
++
++ // leave in the result only those shapes not having all face in MIF
++
++ TopoDS_Compound C;
++ myBuilder.MakeCompound(C);
++
++ // RMF : faces of removed shapes that encounter once
++ TopTools_MapOfShape RFM;
++
++ for (it.Initialize( myShape ); it.More(); it.Next()) {
++
++ TopExp_Explorer expResF( it.Value(), TopAbs_FACE );
++ for (; expResF.More(); expResF.Next())
++ if (!MIF.Contains( expResF.Current()))
++ break;
++
++ if (expResF.More())
++ // add shape to result
++ myBuilder.Add( C, it.Value() );
++ else
++ // add faces of a removed shape to RFM
++ for (expResF.ReInit(); expResF.More(); expResF.Next()) {
++ const TopoDS_Shape& F = expResF.Current();
++ if ( ! RFM.Remove ( F ))
++ RFM.Add( F );
++ }
++ }
++
++ if (!isTool) {
++
++ // rebuild S, it must remain in the result
++
++ Standard_Boolean isClosed = Standard_False;
++ switch (S.ShapeType()) {
++ case TopAbs_SOLID :
++ isClosed = Standard_True; break;
++ case TopAbs_SHELL: {
++ TopTools_IndexedDataMapOfShapeListOfShape MEF;
++ TopExp::MapShapesAndAncestors(S, TopAbs_EDGE, TopAbs_FACE, MEF);
++ Standard_Integer i;
++ for (i=1; isClosed && i<=MEF.Extent(); ++i)
++ isClosed = ( MEF(i).Extent() != 1 );
++ break;
++ }
++ default:
++ isClosed = Standard_False;
++ }
++ if (isClosed) {
++
++ // add to a new shape external faces of removed shapes, ie those in RFM
++
++ TopoDS_Shell Shell;
++ myBuilder.MakeShell( Shell );
++
++ // exclude redundant internal face with edges encounterd only once
++ TopTools_IndexedDataMapOfShapeListOfShape MEF;
++ TopTools_MapIteratorOfMapOfShape itF (RFM);
++ for ( ; itF.More(); itF.Next())
++ TopExp::MapShapesAndAncestors(itF.Key(), TopAbs_EDGE, TopAbs_FACE, MEF);
++
++ // add only faces forming a closed shell
++ for (itF.Reset() ; itF.More(); itF.Next())
++ {
++ TopExp_Explorer expE (itF.Key(), TopAbs_EDGE);
++ for (; expE.More(); expE.Next())
++ if (MEF.FindFromKey(expE.Current()).Extent() == 1)
++ break;
++ if (!expE.More())
++ myBuilder.Add( Shell, itF.Key());
++ }
++
++ if (S.ShapeType() == TopAbs_SOLID) {
++ TopoDS_Solid Solid;
++ myBuilder.MakeSolid( Solid );
++ myBuilder.Add (Solid, Shell);
++ myBuilder.Add (C, Solid);
++ }
++ else
++ myBuilder.Add (C, Shell);
++ }
++ else {
++ if (myImageShape.HasImage( S )) {
++ for (it.Initialize( myImageShape.Image(S).First()); it.More(); it.Next())
++ myBuilder.Add (C, it.Value());
++ }
++ }
++ }
++
++ myShape = C;
++}
++
++//=======================================================================
++//function : CheckTool
++//purpose : Return True if <S> is a tool shape. Prepare tool
++// faces of <S> for the search of internal faces.
++//=======================================================================
++
++Standard_Boolean Partition_Spliter::CheckTool(const TopoDS_Shape& S)
++{
++ // suppose S has not an image
++
++ Standard_Boolean isTool = Standard_False;
++ TopoDS_Compound C;
++ myBuilder.MakeCompound( C );
++
++ TopExp_Explorer expF( S, TopAbs_FACE);
++ for (; expF.More(); expF.Next()) {
++
++ const TopoDS_Face& F = TopoDS::Face( expF.Current() );
++ if (myMapTools.Contains( F ))
++ isTool = Standard_True;
++ else
++ continue;
++
++ if (myImagesFaces.HasImage( F )) {
++ // F has been reconstructed
++ TopAbs_Orientation Fori = F.Orientation();
++ TopTools_ListOfShape LNF;
++ myImagesFaces.LastImage( F, LNF);
++ TopTools_ListIteratorOfListOfShape itF (LNF);
++ for ( ; itF.More(); itF.Next())
++ myBuilder.Add( C, itF.Value().Oriented(Fori) );
++ continue;
++ }
++
++ Standard_Boolean hasSectionE = myInter3d.HasSectionEdge( F );
++ Standard_Boolean hasNewE = myAsDes->HasDescendant( F );
++ if (!hasSectionE && !hasNewE)
++ {
++ // F intersects nothing
++ myBuilder.Add( C, F );
++ continue;
++ }
++
++ // make an image for F
++
++ TopoDS_Face NF = F;
++ NF.Orientation(TopAbs_FORWARD);
++ NF = TopoDS::Face( NF.EmptyCopied() ); // make a copy
++ TopoDS_Wire NW;
++ myBuilder.MakeWire( NW );
++
++ // add edges, as less as possible
++ TopTools_ListOfShape NEL;
++ TopTools_ListIteratorOfListOfShape itNE;
++ if (hasSectionE) {
++ // add section edges
++ TopExp_Explorer expE;
++ for ( ; expE.More(); expE.Next()) {
++ if (! myImagesEdges.HasImage( expE.Current() ))
++ continue;
++ myImagesEdges.LastImage( expE.Current(), NEL );
++ for ( itNE.Initialize( NEL ); itNE.More(); itNE.Next())
++ myBuilder.Add ( NW, itNE.Value());
++ }
++ }
++ if (hasNewE) {
++ // add new adges
++ NEL = myAsDes->Descendant( F );
++ for ( itNE.Initialize( NEL ); itNE.More(); itNE.Next()) {
++ TopTools_ListOfShape SEL; // splits
++ myImagesEdges.LastImage( itNE.Value(), SEL );
++ TopTools_ListIteratorOfListOfShape itSE (SEL);
++ for ( ; itSE.More(); itSE.Next())
++ myBuilder.Add ( NW, itSE.Value());
++ }
++ }
++ myBuilder.Add( NF, NW );
++ myBuilder.Add (C, NF);
++
++ NF.Orientation( F.Orientation() ); // NF is most probably invalid
++ myImagesFaces.Bind (F, NF);
++ }
++ if (isTool)
++ myImageShape.Bind (S, C);
++
++ return isTool;
++}
++
++//=======================================================================
++//function : IsInside
++//purpose : Return True if the first vertex of S1 inside S2.
++// If S1.IsNull(), check infinite point against S2.
++//=======================================================================
++
++Standard_Boolean Partition_Spliter::IsInside (const TopoDS_Shape& theS1,
++ const TopoDS_Shape& theS2)
++{
++ BRepClass3d_SolidClassifier aClassifier( theS2 );
++
++ TopExp_Explorer expl( theS1, TopAbs_VERTEX );
++ if (!expl.More())
++ aClassifier.PerformInfinitePoint( ::RealSmall());
++ else
++ {
++ const TopoDS_Vertex & aVertex = TopoDS::Vertex( expl.Current() );
++ aClassifier.Perform (BRep_Tool::Pnt( aVertex ),
++ BRep_Tool::Tolerance( aVertex ));
++ }
++
++ return ( aClassifier.State() == TopAbs_IN );
++}
++
++//=======================================================================
++//function : GetOriginalShape
++//purpose : Return the shape aShape originates from. aShape
++// should be a face or more complex result shape
++//=======================================================================
++
++TopoDS_Shape Partition_Spliter::GetOriginalShape(const TopoDS_Shape& theShape) const
++{
++ TopoDS_Shape anOrigShape;
++
++ TopExp_Explorer expl( theShape, TopAbs_FACE);
++ if (expl.More())
++ {
++
++ TopoDS_Shape aFace = expl.Current();
++ if (myImagesFaces.IsImage( aFace ))
++ aFace = myImagesFaces.Root( aFace );
++ anOrigShape = myFaceShapeMap.Find( aFace );
++ }
++ return anOrigShape;
++}
++
++//=======================================================================
++//function : FindToolsToReconstruct
++//purpose : find and store as objects tools which interfere
++// with solids or are inside solids without
++// an interference
++//=======================================================================
++
++void Partition_Spliter::FindToolsToReconstruct()
++{
++ if (myMapTools.IsEmpty())
++ return;
++
++ Standard_Integer nbFoundTools = 0;
++
++ // build edge - face map in order to detect interference with section edges
++ TopTools_IndexedDataMapOfShapeListOfShape EFM;
++ TopTools_MapIteratorOfMapOfShape aMapIt;
++ for (aMapIt.Initialize(myMapTools); aMapIt.More(); aMapIt.Next())
++ TopExp::MapShapesAndAncestors( aMapIt.Key(), TopAbs_EDGE, TopAbs_FACE, EFM);
++ for (aMapIt.Initialize(myMapFaces); aMapIt.More(); aMapIt.Next())
++ TopExp::MapShapesAndAncestors( aMapIt.Key(), TopAbs_EDGE, TopAbs_FACE, EFM);
+
- locelements.Append (sei);
-
- for (k = 1; k <= bel.GetNP(); k++)
- if (bel.PNum(k) == pi)
- {
- locrots.Append (k);
-+ ngi = bel.GeomInfoPi(k);
- break;
- }
-
-@@ -942,7 +936,7 @@
- }
-
- //optimizer loop (if not whole distance is not possible, move only a bit!!!!)
-- while (loci <= 5 && !moveisok)
-+ while (loci <= 5 && !moveisok)
- {
- loci ++;
- mesh[pi].X() = origp.X() + (x.Get(1) * t1.X() + x.Get(2) * t2.X())*fact;
-@@ -951,11 +945,9 @@
- fact = fact/2.;
-
-
-- ProjectPoint (surfi, mesh[pi]);
-+ moveisok = ProjectPoint (surfi, mesh[pi], ngi);
-
-- moveisok = CalcPointGeomInfo(surfi, ngi, mesh[pi]);
-- // point lies on same chart in stlsurface
--
-+ // point lies on same chart in stlsurface
- if (moveisok)
- {
- for (j = 0; j < locelements.Size(); j++)
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Inter2d.cxx netgen-4.5.new/libsrc/occ/Partition_Inter2d.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Inter2d.cxx 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Inter2d.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -29,10 +29,10 @@
- // $Header$
-
- //using namespace std;
--#include "Partition_Inter2d.ixx"
--
- #include "utilities.h"
-
-+#include "Partition_Inter2d.ixx"
++ TopTools_MapOfShape aCurrentSolids, aCheckedShapes;
+
- #include <BRepAdaptor_Curve.hxx>
- #include <BRepAlgo_AsDes.hxx>
- #include <BRepLib_MakeVertex.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Inter3d.cxx netgen-4.5.new/libsrc/occ/Partition_Inter3d.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Inter3d.cxx 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Inter3d.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -29,13 +29,17 @@
- // $Header$
-
- //using namespace std;
++ // faces cut by new edges
++ TopTools_MapOfShape & aSectionFaces = myInter3d.TouchedFaces();
+
-+#include "utilities.h"
++ // keep solids interfering with each other in aCurrentSolids map
++ // and add tool faces intersecting solids as object shapes
+
- #include "Partition_Inter2d.hxx"
- #include "Partition_Inter3d.ixx"
--#include "utilities.h"
-
- #include <BRepAlgo_AsDes.hxx>
- #include <BRepAlgo_Image.hxx>
- #include <BRepLib.hxx>
-+//using namespace std;
++ TopTools_ListIteratorOfListOfShape itS, itF, itCF, itE;
++ for (itS.Initialize( myListShapes ); itS.More(); itS.Next()) {
++ TopExp_Explorer expSo (itS.Value(), TopAbs_SOLID);
++ for (; expSo.More(); expSo.Next()) {
+
- #include <BRepOffset_Tool.hxx>
- #include <BRep_Builder.hxx>
- #include <BRep_Tool.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Loop.cxx netgen-4.5.new/libsrc/occ/Partition_Loop.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Loop.cxx 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Loop.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -29,12 +29,14 @@
- // $Header$
-
- //using namespace std;
--#include <stdio.h>
-
--#include "Partition_Loop.ixx"
-
- #include "utilities.h"
-
-+#include <stdio.h>
++ // check if a solid has been already processed
++ const TopoDS_Shape & aSo = expSo.Current();
++ if (!aCheckedShapes.Add( aSo ))
++ continue;
++ aCurrentSolids.Add( aSo );
+
-+#include "Partition_Loop.ixx"
++ // faces to check
++ TopTools_ListOfShape aFacesToCheck;
++ TopExp_Explorer exp( aSo, TopAbs_FACE );
++ for ( ; exp.More(); exp.Next())
++ aFacesToCheck.Append ( exp.Current());
+
- #include <BRep_Builder.hxx>
- #include <BRepAlgo_FaceRestrictor.hxx>
- #include <BRep_Tool.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Loop2d.cxx netgen-4.5.new/libsrc/occ/Partition_Loop2d.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Loop2d.cxx 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Loop2d.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -12,9 +12,11 @@
- // $Header$
-
- //using namespace std;
--#include "Partition_Loop2d.ixx"
++ // add other shapes interefering with a solid.
++ // iterate faces to check while appending new ones
++ for (itCF.Initialize (aFacesToCheck) ; itCF.More(); itCF.Next())
++ {
++ const TopoDS_Shape& aCheckFace = itCF.Value();
++// if (!aCheckedShapes.Add( aCheckFace ))
++// continue;
+
-
- #include "utilities.h"
++ // find faces interfering with aCheckFace
++ TopTools_ListOfShape anIntFaces;
+
-+#include "Partition_Loop2d.ixx"
- #include <stdio.h>
-
- #include <BRepAdaptor_Curve2d.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Loop3d.cxx netgen-4.5.new/libsrc/occ/Partition_Loop3d.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Loop3d.cxx 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Loop3d.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -10,6 +10,11 @@
- // Module : GEOM
-
- //using namespace std;
++ // ** 1. faces intersecting aCheckFace with creation of new edges on it
++ if ( myAsDes->HasDescendant( aCheckFace ))
++ {
++ // new edges on aCheckFace
++ const TopTools_ListOfShape& NEL = myAsDes->Descendant( aCheckFace );
++ for (itE.Initialize( NEL); itE.More(); itE.Next())
++ {
++ const TopoDS_Shape & aNewEdge = itE.Value();
++ if (!aCheckedShapes.Add( aNewEdge ))
++ continue;
+
++ // faces interfering by aNewEdge
++ itF.Initialize (myAsDes->Ascendant( aNewEdge ));
++ for (; itF.More(); itF.Next())
++ if (aCheckFace != itF.Value())
++ anIntFaces.Append( itF.Value() );
+
++ // ** 2. faces having section edge aNewEdge on aFacesToCheck
++ if (EFM.Contains( aNewEdge))
++ {
++ itF.Initialize ( EFM.FindFromKey (itE.Value()));
++ for (; itF.More(); itF.Next())
++ if (aCheckFace != itF.Value())
++ anIntFaces.Append( itF.Value() );
++ }
++ }
++ }
+
-+#include "utilities.h"
++ // ** 3. faces cut by edges of aCheckFace
++ TopExp_Explorer expE (aCheckFace, TopAbs_EDGE);
++ for ( ; expE.More(); expE.Next())
++ {
++ const TopoDS_Shape & aCheckEdge = expE.Current();
++ if (aCheckedShapes.Add( aCheckEdge ) &&
++ myInter3d.IsSectionEdge( TopoDS::Edge( aCheckEdge )))
++ {
++ itF.Initialize( myInter3d.SectionEdgeFaces( TopoDS::Edge( aCheckEdge )));
++ for (; itF.More(); itF.Next())
++ if (aCheckFace != itF.Value())
++ anIntFaces.Append( itF.Value() );
++ }
++ }
+
- #include "Partition_Loop3d.ixx"
-
- #include <TopExp_Explorer.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/Partition_Spliter.cxx netgen-4.5.new/libsrc/occ/Partition_Spliter.cxx
---- netgen-4.5.old/libsrc/occ/Partition_Spliter.cxx 2005-07-11 10:33:27.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/Partition_Spliter.cxx 2009-06-11 17:56:43.000000000 +0400
-@@ -29,14 +29,15 @@
- // $Header$
-
- //using namespace std;
++ // process faces interfering with aCheckFace and shapes they
++ // belong to
++ for (itF.Initialize (anIntFaces); itF.More(); itF.Next())
++ {
++ const TopoDS_Shape & F = itF.Value();
++ if (! aCheckedShapes.Add( F ))
++ continue;
+
-+#include "utilities.h"
++ Standard_Boolean isTool = myMapTools.Contains( F );
++ if (isTool &&
++ myFaceShapeMap( aCheckFace ).ShapeType() == TopAbs_SOLID )
++ {
++ // a tool interfering with a solid
++ if (aSectionFaces.Contains( F ))
++ AddShape( F );
++ ++ nbFoundTools;
++ if (nbFoundTools == myMapTools.Extent())
++ return;
++ }
+
- #include "Partition_Inter2d.hxx"
- #include "Partition_Inter3d.hxx"
- #include "Partition_Loop2d.hxx"
- #include "Partition_Loop3d.hxx"
- #include "Partition_Spliter.ixx"
-
--#include "utilities.h"
--
- #include <Precision.hxx>
- #include <TopAbs_Orientation.hxx>
- #include <TopExp.hxx>
-diff -Naur netgen-4.5.old/libsrc/occ/occconstruction.cpp netgen-4.5.new/libsrc/occ/occconstruction.cpp
---- netgen-4.5.old/libsrc/occ/occconstruction.cpp 2005-12-06 18:15:53.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/occconstruction.cpp 2009-06-11 17:56:43.000000000 +0400
++ const TopoDS_Shape & S = myFaceShapeMap( F );
++ if (aCheckedShapes.Add( S ))
++ {
++ // a new shape interefering with aCurrentSolids is found
++ if (!isTool && S.ShapeType() == TopAbs_SOLID)
++ aCurrentSolids.Add ( S );
++ // add faces to aFacesToCheck list
++ for ( exp.Init( S, TopAbs_FACE ); exp.More(); exp.Next())
++ aFacesToCheck.Append ( exp.Current() );
++ }
++ }
++ } // loop on aFacesToCheck
++
++ // Here aCurrentSolids contains all solids interfering with each other.
++ // aCheckedShapes contains all faces belonging to shapes included
++ // in or interfering with aCurrentSolids or previously checked solids.
++ // Test if tool faces that do not interefere with other shapes are
++ // wrapped by any of aCurrentSolids
++
++ TopTools_MapIteratorOfMapOfShape aSolidIt (aCurrentSolids);
++ for ( ; aSolidIt.More(); aSolidIt.Next())
++ {
++ const TopoDS_Shape & aSolid = aSolidIt.Key();
++ TopTools_MapOfShape aCheckedTools( myMapTools.Extent() );
++
++ TopTools_MapIteratorOfMapOfShape aToolIt (myMapTools);
++ for ( ; aToolIt.More(); aToolIt.Next())
++ {
++ const TopoDS_Shape & aToolFace = aToolIt.Key();
++ if (aCheckedShapes.Contains( aToolFace ) || // already found
++ aCheckedTools.Contains( aToolFace )) // checked against aSolid
++ continue;
++
++ const TopoDS_Shape & aToolShape = myFaceShapeMap( aToolFace );
++ TopExp_Explorer aToolFaceIt( aToolShape, TopAbs_FACE );
++
++ Standard_Boolean isInside = IsInside( aToolShape, aSolid );
++ for ( ; aToolFaceIt.More(); aToolFaceIt.Next() )
++ {
++ const TopoDS_Shape & aTool = aToolFaceIt.Current();
++ aCheckedTools.Add( aTool );
++ if (isInside)
++ {
++ if (aSectionFaces.Contains( aTool ))
++ AddShape( aTool );
++ ++ nbFoundTools;
++ if (nbFoundTools == myMapTools.Extent())
++ return;
++ aCheckedShapes.Add( aTool );
++ }
++ }
++ }
++ }
++
++ } // loop on solid shapes
++ }
++}
++
++#endif
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occconstruction.cpp netgen-4.5_new/libsrc/occ/occconstruction.cpp
+--- netgen-4.5_orig/libsrc/occ/occconstruction.cpp 2005-12-06 18:15:53.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/occconstruction.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -28,8 +28,8 @@
#include <BRepAlgoAPI_Common.hxx>
#include <BRepAlgoAPI_Fuse.hxx>
#include <BRepOffsetAPI_MakeOffsetShape.hxx>
#include <ShapeFix_Shape.hxx>
namespace netgen
-diff -Naur netgen-4.5.old/libsrc/occ/occgenmesh.cpp netgen-4.5.new/libsrc/occ/occgenmesh.cpp
---- netgen-4.5.old/libsrc/occ/occgenmesh.cpp 2006-02-07 13:12:48.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/occgenmesh.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occgenmesh.cpp netgen-4.5_new/libsrc/occ/occgenmesh.cpp
+--- netgen-4.5_orig/libsrc/occ/occgenmesh.cpp 2006-02-07 13:12:48.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/occgenmesh.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -28,7 +28,7 @@
return Point<3> (p.X(), p.Y(), p.Z());
}
//cout << "\rFace " << i << " pos12 ntriangles " << ntriangles << flush;
}
}
-diff -Naur netgen-4.5.old/libsrc/occ/occgeom.cpp netgen-4.5.new/libsrc/occ/occgeom.cpp
---- netgen-4.5.old/libsrc/occ/occgeom.cpp 2006-01-25 16:35:50.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/occgeom.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occgeom.cpp netgen-4.5_new/libsrc/occ/occgeom.cpp
+--- netgen-4.5_orig/libsrc/occ/occgeom.cpp 2006-01-25 16:35:50.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/occgeom.cpp 2010-06-23 12:38:22.000000000 +0400
@@ -7,6 +7,8 @@
#include "ShapeAnalysis_ShapeContents.hxx"
#include "ShapeAnalysis_CheckSmallFace.hxx"
return true;
}
-diff -Naur netgen-4.5.old/libsrc/occ/occgeom.hpp netgen-4.5.new/libsrc/occ/occgeom.hpp
---- netgen-4.5.old/libsrc/occ/occgeom.hpp 2006-01-25 16:35:50.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/occgeom.hpp 2009-06-11 17:56:43.000000000 +0400
+@@ -1190,16 +1189,16 @@
+ return occgeo;
+ }
+
+- char * shapesname[] =
++ const char * shapesname[] =
+ {" ", "CompSolids", "Solids", "Shells",
+
+ "Faces", "Wires", "Edges", "Vertices"};
+
+- char * shapename[] =
++ const char * shapename[] =
+ {" ", "CompSolid", "Solid", "Shell",
+ "Face", "Wire", "Edge", "Vertex"};
+
+- char * orientationstring[] =
++ const char * orientationstring[] =
+ {"+", "-"};
+
+ void OCCGeometry :: RecursiveTopologyTree (const TopoDS_Shape & sh,
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occgeom.hpp netgen-4.5_new/libsrc/occ/occgeom.hpp
+--- netgen-4.5_orig/libsrc/occ/occgeom.hpp 2006-01-25 16:35:50.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/occgeom.hpp 2010-06-23 13:19:48.000000000 +0400
@@ -15,8 +15,6 @@
#include "Geom_Curve.hxx"
#include "Geom2d_Curve.hxx"
OCCSurface GetSurface (int surfi)
{
cout << "OCCGeometry::GetSurface using PLANESPACE" << endl;
-diff -Naur netgen-4.5.old/libsrc/occ/occmeshsurf.cpp netgen-4.5.new/libsrc/occ/occmeshsurf.cpp
---- netgen-4.5.old/libsrc/occ/occmeshsurf.cpp 2006-01-25 16:36:26.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/occmeshsurf.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occmeshsurf.cpp netgen-4.5_new/libsrc/occ/occmeshsurf.cpp
+--- netgen-4.5_orig/libsrc/occ/occmeshsurf.cpp 2006-01-25 16:36:26.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/occmeshsurf.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -5,6 +5,8 @@
#include <occgeom.hpp>
#include <meshing.hpp>
-diff -Naur netgen-4.5.old/libsrc/occ/occmeshsurf.hpp netgen-4.5.new/libsrc/occ/occmeshsurf.hpp
---- netgen-4.5.old/libsrc/occ/occmeshsurf.hpp 2005-06-09 18:51:10.000000000 +0400
-+++ netgen-4.5.new/libsrc/occ/occmeshsurf.hpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/occmeshsurf.hpp netgen-4.5_new/libsrc/occ/occmeshsurf.hpp
+--- netgen-4.5_orig/libsrc/occ/occmeshsurf.hpp 2005-06-09 18:51:10.000000000 +0400
++++ netgen-4.5_new/libsrc/occ/occmeshsurf.hpp 2010-06-23 13:19:48.000000000 +0400
@@ -151,7 +151,7 @@
MeshOptimize2dOCCSurfaces (const OCCGeometry & ageometry);
};
-diff -Naur netgen-4.5.old/libsrc/occ/utilities.h netgen-4.5.new/libsrc/occ/utilities.h
---- netgen-4.5.old/libsrc/occ/utilities.h 2005-02-11 14:35:43.000000000 +0300
-+++ netgen-4.5.new/libsrc/occ/utilities.h 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/occ/utilities.h netgen-4.5_new/libsrc/occ/utilities.h
+--- netgen-4.5_orig/libsrc/occ/utilities.h 2005-02-11 14:35:43.000000000 +0300
++++ netgen-4.5_new/libsrc/occ/utilities.h 2010-06-23 13:19:48.000000000 +0400
@@ -33,6 +33,7 @@
#include <string>
#include <cstdlib>
// #include "SALOME_Log.hxx"
-diff -Naur netgen-4.5.old/libsrc/stlgeom/meshstlsurface.cpp netgen-4.5.new/libsrc/stlgeom/meshstlsurface.cpp
---- netgen-4.5.old/libsrc/stlgeom/meshstlsurface.cpp 2006-01-11 19:08:20.000000000 +0300
-+++ netgen-4.5.new/libsrc/stlgeom/meshstlsurface.cpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/stlgeom/meshstlsurface.cpp netgen-4.5_new/libsrc/stlgeom/meshstlsurface.cpp
+--- netgen-4.5_orig/libsrc/stlgeom/meshstlsurface.cpp 2006-01-11 19:08:20.000000000 +0300
++++ netgen-4.5_new/libsrc/stlgeom/meshstlsurface.cpp 2010-06-23 13:19:48.000000000 +0400
@@ -946,20 +946,23 @@
}
void MeshOptimizeSTLSurface :: GetNormalVector(INDEX surfind, const Point3d & p, Vec3d & n) const
{
n = geom.GetChartNormalVector();
-diff -Naur netgen-4.5.old/libsrc/stlgeom/meshstlsurface.hpp netgen-4.5.new/libsrc/stlgeom/meshstlsurface.hpp
---- netgen-4.5.old/libsrc/stlgeom/meshstlsurface.hpp 2004-09-30 17:13:56.000000000 +0400
-+++ netgen-4.5.new/libsrc/stlgeom/meshstlsurface.hpp 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/stlgeom/meshstlsurface.hpp netgen-4.5_new/libsrc/stlgeom/meshstlsurface.hpp
+--- netgen-4.5_orig/libsrc/stlgeom/meshstlsurface.hpp 2004-09-30 17:13:56.000000000 +0400
++++ netgen-4.5_new/libsrc/stlgeom/meshstlsurface.hpp 2010-06-23 13:19:48.000000000 +0400
@@ -79,12 +79,10 @@
virtual void SelectSurfaceOfPoint (const Point3d & p,
const PointGeomInfo & gi);
virtual void GetNormalVector(INDEX surfind, const Point3d & p, Vec3d & n) const;
};
-diff -Naur netgen-4.5.old/makeForSalome.sh netgen-4.5.new/makeForSalome.sh
---- netgen-4.5.old/makeForSalome.sh 1970-01-01 03:00:00.000000000 +0300
-+++ netgen-4.5.new/makeForSalome.sh 2009-06-11 17:56:43.000000000 +0400
+diff -Naur --exclude=CVS netgen-4.5_orig/libsrc/stlgeom/stlgeommesh.cpp netgen-4.5_new/libsrc/stlgeom/stlgeommesh.cpp
+--- netgen-4.5_orig/libsrc/stlgeom/stlgeommesh.cpp 2004-08-10 03:39:45.000000000 +0400
++++ netgen-4.5_new/libsrc/stlgeom/stlgeommesh.cpp 2010-06-23 12:39:38.000000000 +0400
+@@ -1437,7 +1437,7 @@
+
+ if (!optstring || strlen(optstring) == 0)
+ {
+- mparam.optimize2d = "smcm";
++ mparam.optimize2d = (char*)"smcm";
+ }
+ else
+ {
+@@ -1453,7 +1453,7 @@
+ mparam.grading);
+ mesh -> LoadLocalMeshSize (mparam.meshsizefilename);
+ mesh -> CalcLocalHFromSurfaceCurvature (stlparam.resthsurfmeshcurvfac);
+- mparam.optimize2d = "cmsmSm";
++ mparam.optimize2d = (char*)"cmsmSm";
+ STLSurfaceOptimization (*stlgeometry, *mesh, mparam);
+ #ifdef STAT_STREAM
+ (*statout) << GetTime() << " & ";
+@@ -1559,7 +1559,7 @@
+
+ if (!optstring || strlen(optstring) == 0)
+ {
+- mparam.optimize3d = "cmdmstm";
++ mparam.optimize3d = (char*)"cmdmstm";
+ }
+ else
+ {
+diff -Naur --exclude=CVS netgen-4.5_orig/makeForSalome.sh netgen-4.5_new/makeForSalome.sh
+--- netgen-4.5_orig/makeForSalome.sh 1970-01-01 03:00:00.000000000 +0300
++++ netgen-4.5_new/makeForSalome.sh 2010-06-23 13:19:48.000000000 +0400
@@ -0,0 +1,31 @@
+#! /bin/sh
+cp ngtcltk/ngnewdelete.* libsrc/interface/