// 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 // #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //======================================================================= //function : GetID //purpose : //======================================================================= const Standard_GUID& GEOMImpl_FillingDriver::GetID() { static Standard_GUID aFillingDriver ("FF1BBB62-5D14-4df2-980B-3A668264EA16"); return aFillingDriver; } //======================================================================= //function : GEOMImpl_FillingDriver //purpose : //======================================================================= GEOMImpl_FillingDriver::GEOMImpl_FillingDriver() { } //======================================================================= //function : Execute //purpose : //======================================================================= Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const { if (Label().IsNull()) return 0; Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label()); if (aFunction.IsNull()) return 0; if (aFunction->GetType() != BASIC_FILLING) return 0; GEOMImpl_IFilling IF (aFunction); Handle(GEOM_Function) aShapeFunction = IF.GetShape(); if (aShapeFunction.IsNull()) return 0; TopoDS_Shape aShape = aShapeFunction->GetValue(); if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND) return 0; Standard_Integer mindeg = IF.GetMinDeg(); Standard_Integer maxdeg = IF.GetMaxDeg(); Standard_Real tol3d = IF.GetTol2D(); Standard_Real tol2d = IF.GetTol3D(); Standard_Integer nbiter = IF.GetNbIter(); Standard_Boolean isApprox = IF.GetApprox(); if (mindeg > maxdeg) { Standard_RangeError::Raise("Minimal degree can not be more than maximal degree"); } /* we verify the contents of the shape */ TopExp_Explorer Ex; TopoDS_Shape Scurrent; Standard_Real First, Last; Handle(Geom_Curve) C; TopoDS_Iterator It (aShape); for (; It.More(); It.Next()) { Scurrent = It.Value(); if (Scurrent.ShapeType() != TopAbs_EDGE) Standard_ConstructionError::Raise("The argument compound must contain only edges"); } if (!isApprox) { // make filling as in old version of SALOME (before 4.1.1) GeomFill_SectionGenerator Section; Standard_Integer i = 0; for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) { Scurrent = Ex.Current(); if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0; if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue; C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last); C = new Geom_TrimmedCurve(C, First, Last); Section.AddCurve(C); i++; } /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */ Section.Perform(Precision::Confusion()); Handle(GeomFill_Line) Line = new GeomFill_Line(i); GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */ App.Perform(Line, Section); if (!App.IsDone()) return 0; Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots; App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots); Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(), App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree()); if (GBS.IsNull()) return 0; aShape = BRepBuilderAPI_MakeFace(GBS); } else { // implemented by skl 20.03.2008 for bug 16568 // make approximation - try to create bspline surface // using GeomAPI_PointsToBSplineSurface TColGeom_SequenceOfCurve aSeq; int MaxNbPoles = 0; // add curves from edges to sequence and find maximal // number of poles if some of them are bsplines for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) { Scurrent = Ex.Current(); if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0; if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue; C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last); Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C); if(TC.IsNull()) { Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C); if(!BC.IsNull()) { MaxNbPoles = Max(MaxNbPoles,BC->NbPoles()); } } else { Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve()); if(BC.IsNull()) { Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve()); if(!TC1.IsNull()) { BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve()); } } if(!BC.IsNull()) { MaxNbPoles = Max(MaxNbPoles,BC->NbPoles()); } } aSeq.Append(C); } // prepare array of points for creation bspline surface // size of this array: by U parameter - number of curves, // by V parameter - determ using MaxNbPoles but it's // value must be between 21(min) and 101(max) int nbc = aSeq.Length(); int nbp = Max(21,2*MaxNbPoles-1); if(nbp>101) nbp = 101; TColgp_Array2OfPnt Points(1,nbc,1,nbp); int ic = 1; for(; ic<=nbc; ic++) { Handle(Geom_Curve) C = aSeq.Value(ic); double fp = C->FirstParameter(); double lp = C->LastParameter(); double dp = (lp-fp)/(nbp-1); int j = 0; gp_Pnt P; for(; jD0(fp+dp*j,P); Points.SetValue(ic,j+1,P); } } GeomAPI_PointsToBSplineSurface PTB(Points,mindeg,maxdeg,GeomAbs_C2,tol3d); Handle(Geom_BSplineSurface) BS = PTB.Surface(); BRepBuilderAPI_MakeFace BB(BS); TopoDS_Face NewF = BB.Face(); Handle(ShapeFix_Face) sff = new ShapeFix_Face(NewF); sff->Perform(); sff->FixOrientation(); aShape = sff->Face(); } /* We test the validity of resulting shape */ if (!BRepAlgo::IsValid((aShape))) { Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result"); return 0; } aFunction->SetValue(aShape); log.SetTouched(Label()); return 1; } //======================================================================= //function : GEOMImpl_FillingDriver_Type_ //purpose : //======================================================================= Standard_EXPORT Handle_Standard_Type& GEOMImpl_FillingDriver_Type_() { static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver); if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver); static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared); if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared); static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient); if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient); static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL}; static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_FillingDriver", sizeof(GEOMImpl_FillingDriver), 1, (Standard_Address)_Ancestors, (Standard_Address)NULL); return _aType; } //======================================================================= //function : DownCast //purpose : //======================================================================= const Handle(GEOMImpl_FillingDriver) Handle(GEOMImpl_FillingDriver)::DownCast(const Handle(Standard_Transient)& AnObject) { Handle(GEOMImpl_FillingDriver) _anOtherObject; if (!AnObject.IsNull()) { if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_FillingDriver))) { _anOtherObject = Handle(GEOMImpl_FillingDriver)((Handle(GEOMImpl_FillingDriver)&)AnObject); } } return _anOtherObject ; }