-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2011 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
+// 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 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.
+// 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
+// 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_UnionFaces.cxx
// Created: Tue Dec 7 17:15:42 2004
// Author: Pavel DURANDIN
#include <BlockFix_UnionFaces.ixx>
+#include <Basics_OCCTVersion.hxx>
+
#include <ShapeAnalysis_WireOrder.hxx>
#include <ShapeAnalysis_Edge.hxx>
#include <ShapeFix_Wire.hxx>
#include <ShapeFix_Edge.hxx>
+#if OCC_VERSION_LARGE > 0x06040000 // Porting to OCCT6.5.1
+#include <IntPatch_ImpImpIntersection.hxx>
+#else
+#include <IntPatch_TheIIIntOfIntersection.hxx>
+#endif
+
#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
+#include <BRepTopAdaptor_TopolTool.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TColGeom_HArray2OfSurface.hxx>
+#include <GeomAdaptor_HSurface.hxx>
+#include <GeomLib_IsPlanarSurface.hxx>
+
+#include <Geom_Surface.hxx>
#include <Geom_Plane.hxx>
#include <Geom_OffsetSurface.hxx>
-#include <Geom_CylindricalSurface.hxx>
#include <Geom_SphericalSurface.hxx>
-#include <Geom_Surface.hxx>
-#include <Geom_Curve.hxx>
+#include <Geom_CylindricalSurface.hxx>
+#include <Geom_SurfaceOfRevolution.hxx>
+#include <Geom_SurfaceOfLinearExtrusion.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_Curve.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_Circle.hxx>
+
#include <Geom2d_Line.hxx>
#include <gp_XY.hxx>
#include <gp_Pnt2d.hxx>
+#include <Standard_Failure.hxx>
+#include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
+
//=======================================================================
//function : BlockFix_UnionFaces
//purpose :
//purpose :
//=======================================================================
+bool getCylinder (Handle(Geom_Surface)& theInSurface, gp_Cylinder& theOutCylinder)
+{
+ bool isCylinder = false;
+
+ if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
+ Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface);
+
+ theOutCylinder = aGC->Cylinder();
+ isCylinder = true;
+ }
+ else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
+ Handle(Geom_SurfaceOfRevolution) aRS =
+ Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface);
+ Handle(Geom_Curve) aBasis = aRS->BasisCurve();
+ if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) {
+ Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis);
+ gp_Dir aDir = aRS->Direction();
+ gp_Dir aBasisDir = aBasisLine->Position().Direction();
+ if (aBasisDir.IsParallel(aDir, Precision::Confusion())) {
+ // basis line is parallel to the revolution axis: it is a cylinder
+ gp_Pnt aLoc = aRS->Location();
+ Standard_Real aR = aBasisLine->Lin().Distance(aLoc);
+ gp_Ax3 aCylAx (aLoc, aDir);
+
+ theOutCylinder = gp_Cylinder(aCylAx, aR);
+ isCylinder = true;
+ }
+ }
+ }
+ else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) {
+ Handle(Geom_SurfaceOfLinearExtrusion) aLES =
+ Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface);
+ Handle(Geom_Curve) aBasis = aLES->BasisCurve();
+ if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) {
+ Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis);
+ gp_Dir aDir = aLES->Direction();
+ gp_Dir aBasisDir = aBasisCircle->Position().Direction();
+ if (aBasisDir.IsParallel(aDir, Precision::Confusion())) {
+ // basis circle is normal to the extrusion axis: it is a cylinder
+ gp_Pnt aLoc = aBasisCircle->Location();
+ Standard_Real aR = aBasisCircle->Radius();
+ gp_Ax3 aCylAx (aLoc, aDir);
+
+ theOutCylinder = gp_Cylinder(aCylAx, aR);
+ isCylinder = true;
+ }
+ }
+ }
+ else {
+ }
+
+ return isCylinder;
+}
+
Standard_Boolean BlockFix_UnionFaces::IsSameDomain(const TopoDS_Face& aFace,
const TopoDS_Face& aCheckedFace) const
{
- //checking the same handless
+ //checking the same handles
TopLoc_Location L1, L2;
Handle(Geom_Surface) S1, S2;
if (S1 == S2 && L1 == L2)
return true;
- // begin: planar case (improvement 20052)
+ // planar and cylindrical cases (IMP 20052)
+ Standard_Real aPrec = Precision::Confusion();
+
S1 = BRep_Tool::Surface(aFace);
S2 = BRep_Tool::Surface(aCheckedFace);
- Handle(Geom_Plane) aGP1, aGP2;
- Handle(Geom_RectangularTrimmedSurface) aGRTS1, aGRTS2;
- Handle(Geom_OffsetSurface) aGOFS1, aGOFS2;
-
- aGRTS1 = Handle(Geom_RectangularTrimmedSurface)::DownCast(S1);
- aGRTS2 = Handle(Geom_RectangularTrimmedSurface)::DownCast(S2);
-
- aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1);
- aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2);
-
- if (!aGOFS1.IsNull()) {
- aGP1 = Handle(Geom_Plane)::DownCast(aGOFS1->BasisSurface());
- }
- else if (!aGRTS1.IsNull()) {
- aGP1 = Handle(Geom_Plane)::DownCast(aGRTS1->BasisSurface());
- }
- else {
- aGP1 = Handle(Geom_Plane)::DownCast(S1);
- }
-
- if (!aGOFS2.IsNull()) {
- aGP2 = Handle(Geom_Plane)::DownCast(aGOFS2->BasisSurface());
- }
- else if (!aGRTS2.IsNull()) {
- aGP2 = Handle(Geom_Plane)::DownCast(aGRTS2->BasisSurface());
- }
- else {
- aGP2 = Handle(Geom_Plane)::DownCast(S2);
- }
-
- if (!aGP1.IsNull() && !aGP2.IsNull()) {
- // both surfaces are planar, check equality
- Standard_Real A1, B1, C1, D1;
- Standard_Real A2, B2, C2, D2;
- aGP1->Coefficients(A1, B1, C1, D1);
- aGP2->Coefficients(A2, B2, C2, D2);
-
- if (fabs(A1) > Precision::Confusion()) {
- A1 = 1.0;
- B1 /= A1;
- C1 /= A1;
- D1 /= A1;
- }
- else if (fabs(B1) > Precision::Confusion()) {
- B1 = 1.0;
- C1 /= B1;
- D1 /= B1;
+ S1 = ClearRts(S1);
+ S2 = ClearRts(S2);
+
+ //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2;
+ //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1);
+ //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2);
+ //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface();
+ //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface();
+
+ // case of two elementary surfaces: use OCCT tool
+ // elementary surfaces: ConicalSurface, CylindricalSurface,
+ // Plane, SphericalSurface and ToroidalSurface
+ if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) &&
+ S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface)))
+ {
+ Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1);
+ Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2);
+
+ Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool();
+ Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool();
+
+ try {
+#if OCC_VERSION_LARGE > 0x06010000
+ OCC_CATCH_SIGNALS;
+#endif
+
+#if OCC_VERSION_LARGE > 0x06040000 // Porting to OCCT6.5.1
+ IntPatch_ImpImpIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec);
+#else
+ IntPatch_TheIIIntOfIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec);
+#endif
+ if (!anIIInt.IsDone() || anIIInt.IsEmpty())
+ return false;
+
+ return anIIInt.TangentFaces();
}
- else {
- C1 = 1.0;
- D1 /= C1;
+ catch (Standard_Failure) {
+ return false;
}
+ }
- if (fabs(A2) > Precision::Confusion()) {
- A2 = 1.0;
- B2 /= A2;
- C2 /= A2;
- D2 /= A2;
- }
- else if (fabs(B2) > Precision::Confusion()) {
- B2 = 1.0;
- C2 /= B2;
- D2 /= B2;
- }
- else {
- C2 = 1.0;
- D2 /= C2;
+ // case of two planar surfaces:
+ // all kinds of surfaces checked, including b-spline and bezier
+ GeomLib_IsPlanarSurface aPlanarityChecker1 (S1, aPrec);
+ if (aPlanarityChecker1.IsPlanar()) {
+ GeomLib_IsPlanarSurface aPlanarityChecker2 (S2, aPrec);
+ if (aPlanarityChecker2.IsPlanar()) {
+ gp_Pln aPln1 = aPlanarityChecker1.Plan();
+ gp_Pln aPln2 = aPlanarityChecker2.Plan();
+
+ if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(), aPrec) &&
+ aPln1.Distance(aPln2) < aPrec) {
+ return true;
+ }
}
+ }
- if (fabs(A1 - A2) < Precision::Confusion() &&
- fabs(B1 - B2) < Precision::Confusion() &&
- fabs(C1 - C2) < Precision::Confusion() &&
- fabs(D1 - D2) < Precision::Confusion())
- return true;
+ // case of two cylindrical surfaces, at least one of which is a swept surface
+ // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution
+ if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+ S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) &&
+ (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
+ S2->IsKind(STANDARD_TYPE(Geom_SweptSurface))))
+ {
+ gp_Cylinder aCyl1, aCyl2;
+ if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) {
+ if (fabs(aCyl1.Radius() - aCyl2.Radius()) < aPrec) {
+ gp_Dir aDir1 = aCyl1.Position().Direction();
+ gp_Dir aDir2 = aCyl2.Position().Direction();
+ if (aDir1.IsParallel(aDir2, aPrec)) {
+ gp_Pnt aLoc1 = aCyl1.Location();
+ gp_Pnt aLoc2 = aCyl2.Location();
+ gp_Vec aVec12 (aLoc1, aLoc2);
+ if (aVec12.SquareMagnitude() < aPrec*aPrec ||
+ aVec12.IsParallel(aDir1, aPrec)) {
+ return true;
+ }
+ }
+ }
+ }
}
- // end: planar case (improvement 20052)
return false;
}
