/src/contrib/geom-5.1.2.7/src/BlockFix/BlockFix_PeriodicSurfaceModifier.cpp
http://pythonocc.googlecode.com/ · C++ · 250 lines · 138 code · 47 blank · 65 comment · 9 complexity · 536e3455a323e601be05b61243a53c40 MD5 · raw file
- // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
- //
- // Copyright (C) 2003-2007 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
- //
- // File: BlockFix_PeriodicSurfaceModifier.cxx
- // Created: 15.12.04 10:08:50
- // Author: Sergey KUUL
- //
- #include <BlockFix_PeriodicSurfaceModifier.ixx>
- #include <BRep_Builder.hxx>
- #include <BRep_Tool.hxx>
- #include <BRepTools.hxx>
- #include <Geom_CylindricalSurface.hxx>
- #include <Geom_SphericalSurface.hxx>
- #include <ShapeFix_Edge.hxx>
- #include <TopExp.hxx>
- //=======================================================================
- //function : BlockFix_PeriodicSurfaceModifier()
- //purpose : Constructor
- //=======================================================================
- BlockFix_PeriodicSurfaceModifier::BlockFix_PeriodicSurfaceModifier ( )
- {
- myMapOfFaces.Clear();
- myMapOfSurfaces.Clear();
- }
- //=======================================================================
- //function : SetTolerance
- //purpose :
- //=======================================================================
- void BlockFix_PeriodicSurfaceModifier::SetTolerance(const Standard_Real Tol)
- {
- myTolerance = Tol;
- }
- //=======================================================================
- //function : ModifySurface
- //purpose : auxilary
- //=======================================================================
- static Standard_Boolean ModifySurface(const TopoDS_Face& aFace,
- const Handle(Geom_Surface)& aSurface,
- Handle(Geom_Surface)& aNewSurface)
- {
- Handle(Geom_Surface) S = aSurface;
- if(S->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
- Handle(Geom_CylindricalSurface) aCyl =
- Handle(Geom_CylindricalSurface)::DownCast(S);
- Standard_Real Umin, Umax, Vmin, Vmax;
- BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
- if( Umin<-Precision::PConfusion() || Umax>2*PI+Precision::PConfusion() ) {
- gp_Ax3 ax3 = aCyl->Position();
- gp_Ax1 NDir = ax3.Axis();
- gp_Ax3 newax3 = ax3.Rotated(NDir,Umin-Precision::PConfusion());
- Handle(Geom_CylindricalSurface) aNewCyl =
- new Geom_CylindricalSurface(newax3,aCyl->Radius());
- aNewSurface = aNewCyl;
- return Standard_True;
- }
- }
-
- if(S->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
- Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(S);
- Standard_Real Umin, Umax, Vmin, Vmax;
- BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
- if( Umin<-Precision::PConfusion() || Umax>2*PI+Precision::PConfusion() ) {
- gp_Ax3 ax3 = aSphere->Position();
- gp_Ax1 NDir = ax3.Axis();
- gp_Ax3 newax3 = ax3.Rotated(NDir,Umin-Precision::PConfusion());
- Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(newax3,aSphere->Radius());
- aNewSurface = aNewSphere;
- return Standard_True;
- }
- }
- return Standard_False;
- }
-
- //=======================================================================
- //function : NewSurface
- //purpose :
- //=======================================================================
- Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewSurface(const TopoDS_Face& F,
- Handle(Geom_Surface)& S,
- TopLoc_Location& L,Standard_Real& Tol,
- Standard_Boolean& RevWires,
- Standard_Boolean& RevFace)
- {
- TopLoc_Location LS;
- Handle(Geom_Surface) SIni = BRep_Tool::Surface(F, LS);
-
- if(ModifySurface(F, SIni, S)) {
-
- RevWires = Standard_False;
- RevFace = Standard_False;
-
- L = LS;
- Tol = BRep_Tool::Tolerance(F);
-
- Standard_Integer anIndex = myMapOfSurfaces.Add(S);
- myMapOfFaces.Bind(F,anIndex);
- return Standard_True;
- }
- return Standard_False;
- }
- //=======================================================================
- //function : NewCurve
- //purpose :
- //=======================================================================
- Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewCurve(const TopoDS_Edge& /*E*/,
- Handle(Geom_Curve)& /*C*/,
- TopLoc_Location& /*L*/,
- Standard_Real& /*Tol*/)
- {
- return Standard_False;
- }
- //=======================================================================
- //function : NewPoint
- //purpose :
- //=======================================================================
- Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewPoint(const TopoDS_Vertex& /*V*/,
- gp_Pnt& /*P*/,
- Standard_Real& /*Tol*/)
- {
- return Standard_False;
- }
- //=======================================================================
- //function : NewCurve2d
- //purpose :
- //=======================================================================
- Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewCurve2d(const TopoDS_Edge& E,
- const TopoDS_Face& F,
- const TopoDS_Edge& /*NewE*/,
- const TopoDS_Face& /*NewF*/,
- Handle(Geom2d_Curve)& C,
- Standard_Real& Tol)
- {
- //check if undelying surface of the face was modified
- if(myMapOfFaces.IsBound(F)) {
- Standard_Integer anIndex = myMapOfFaces.Find(F);
-
- Handle(Geom_Surface) aNewSurf = Handle(Geom_Surface)::DownCast(myMapOfSurfaces.FindKey(anIndex));
-
- Standard_Real f,l;
- TopLoc_Location LC, LS;
- Handle(Geom_Curve) C3d = BRep_Tool::Curve ( E, LC, f, l );
- Handle(Geom_Surface) S = BRep_Tool::Surface(F, LS);
-
- //taking into accound the orientation of the seam
- C = BRep_Tool::CurveOnSurface(E,F,f,l);
- Tol = BRep_Tool::Tolerance(E);
-
- BRep_Builder B;
- TopoDS_Edge TempE;
- B.MakeEdge(TempE);
- B.Add(TempE, TopExp::FirstVertex(E));
- B.Add(TempE, TopExp::LastVertex(E));
- if(!C3d.IsNull())
- B.UpdateEdge(TempE, Handle(Geom_Curve)::DownCast(C3d->Transformed(LC.Transformation())), Precision::Confusion());
- B.Range(TempE, f, l);
-
- Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
- Handle(Geom_Surface) STemp = Handle(Geom_Surface)::DownCast(aNewSurf->Transformed(LS.Transformation()));
- TopLoc_Location LTemp;
- LTemp.Identity();
-
- Standard_Boolean isClosed = BRep_Tool::IsClosed (E, F);
- Standard_Real aWorkTol = 2*myTolerance+Tol;
- sfe->FixAddPCurve(TempE, STemp, LTemp, isClosed, Max(Precision::Confusion(), aWorkTol));
- sfe->FixSameParameter(TempE);
-
- //keep the orientation of original edge
- TempE.Orientation(E.Orientation());
- C = BRep_Tool::CurveOnSurface(TempE, STemp, LTemp, f, l);
-
- //surface was modified
- return Standard_True;
- }
- return Standard_False;
- }
- //=======================================================================
- //function : NewParameter
- //purpose :
- //=======================================================================
- Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewParameter(const TopoDS_Vertex& /*V*/,
- const TopoDS_Edge& /*E*/,
- Standard_Real& /*P*/,
- Standard_Real& /*Tol*/)
- {
- return Standard_False;
- }
- //=======================================================================
- //function : Continuity
- //purpose :
- //=======================================================================
- GeomAbs_Shape BlockFix_PeriodicSurfaceModifier::Continuity(const TopoDS_Edge& E,
- const TopoDS_Face& F1,
- const TopoDS_Face& F2,
- const TopoDS_Edge& /*NewE*/,
- const TopoDS_Face& /*NewF1*/,
- const TopoDS_Face& /*NewF2*/)
- {
- return BRep_Tool::Continuity(E,F1,F2);
- }