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https://git.salome-platform.org/gitpub/modules/geom.git
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350 lines
11 KiB
C++
350 lines
11 KiB
C++
// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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#include <Standard_Stream.hxx>
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#include <GEOMImpl_FillingDriver.hxx>
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#include <GEOMImpl_IFilling.hxx>
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#include <GEOMImpl_Types.hxx>
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#include <GEOM_Function.hxx>
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#include <Basics_OCCTVersion.hxx>
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#include <ShapeFix_Face.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepAlgo.hxx>
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#include <BRep_Builder.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepBuilderAPI_Copy.hxx>
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#include <TopAbs.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_Ellipse.hxx>
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#include <Geom_BezierCurve.hxx>
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#include <Geom_BSplineCurve.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <GeomFill_Line.hxx>
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#include <GeomFill_AppSurf.hxx>
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#include <GeomFill_SectionGenerator.hxx>
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#include <GeomAPI_PointsToBSplineSurface.hxx>
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#include <GeomAPI_PointsToBSpline.hxx>
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#include <TColGeom_SequenceOfCurve.hxx>
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#include <TColgp_SequenceOfPnt.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <Precision.hxx>
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#include <Standard_ConstructionError.hxx>
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& GEOMImpl_FillingDriver::GetID()
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{
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static Standard_GUID aFillingDriver ("FF1BBB62-5D14-4df2-980B-3A668264EA16");
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return aFillingDriver;
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}
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//=======================================================================
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//function : GEOMImpl_FillingDriver
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//purpose :
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//=======================================================================
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GEOMImpl_FillingDriver::GEOMImpl_FillingDriver()
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{
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}
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//=======================================================================
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//function : Execute
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//purpose :
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//=======================================================================
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Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
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if (aFunction.IsNull()) return 0;
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if (aFunction->GetType() != BASIC_FILLING) return 0;
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GEOMImpl_IFilling IF (aFunction);
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Handle(GEOM_Function) aShapeFunction = IF.GetShape();
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if (aShapeFunction.IsNull()) return 0;
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TopoDS_Shape aShape;
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BRepBuilderAPI_Copy Copy (aShapeFunction->GetValue());
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if (Copy.IsDone())
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aShape = Copy.Shape();
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if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND) return 0;
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Standard_Integer mindeg = IF.GetMinDeg();
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Standard_Integer maxdeg = IF.GetMaxDeg();
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Standard_Real tol3d = IF.GetTol3D();
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Standard_Boolean isApprox = IF.GetApprox();
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if (mindeg > maxdeg) {
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Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
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}
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/* we verify the contents of the shape */
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TopExp_Explorer Ex;
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TopoDS_Shape Scurrent;
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Standard_Real First, Last;
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Handle(Geom_Curve) C;
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TopoDS_Compound aComp;
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BRep_Builder B;
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B.MakeCompound(aComp);
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// 1. Convert argument wires, if any, into BSpline edges
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TopoDS_Iterator It (aShape);
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for (; It.More(); It.Next()) {
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Scurrent = It.Value();
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if (Scurrent.ShapeType() != TopAbs_EDGE) {
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TopoDS_Edge NewEdge;
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if (Scurrent.ShapeType() == TopAbs_WIRE)
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{
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const TopoDS_Wire& CurWire = TopoDS::Wire(Scurrent);
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NewEdge = BRepAlgo::ConcatenateWireC0(CurWire);
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}
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if (NewEdge.IsNull()) {
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Standard_ConstructionError::Raise("The argument compound must contain only edges");
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}
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Scurrent = NewEdge;
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}
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B.Add(aComp,Scurrent);
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}
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aShape = aComp;
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// 2. The surface construction
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if (!isApprox) {
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// make filling as in old version of SALOME (before 4.1.1)
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Standard_Real tol2d = IF.GetTol2D();
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Standard_Integer nbiter = IF.GetNbIter();
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Standard_Integer aMethod = IF.GetMethod();
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GeomFill_SectionGenerator Section;
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Standard_Integer i = 0;
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Handle(Geom_Curve) aLastC;
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gp_Pnt PL1,PL2;
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for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
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Scurrent = Ex.Current();
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if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
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if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
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C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
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//if (Scurrent.Orientation() == TopAbs_REVERSED)
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// // Mantis isuue 0020659: consider the orientation of the edges
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// C = new Geom_TrimmedCurve(C, Last, First);
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//else
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// C = new Geom_TrimmedCurve(C, First, Last);
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C = new Geom_TrimmedCurve(C, First, Last);
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gp_Pnt P1,P2;
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C->D0(First,P1);
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C->D0(Last,P2);
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if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
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C->Reverse();
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}
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else if (aMethod == 2) {
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if (i == 0) {
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PL1 = P1;
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PL2 = P2;
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}
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else {
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double d1 = PL1.Distance(P1) + PL2.Distance(P2);
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double d2 = PL1.Distance(P2) + PL2.Distance(P1);
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if (d2 < d1) {
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C->Reverse();
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PL1 = P2;
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PL2 = P1;
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}
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else {
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PL1 = P1;
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PL2 = P2;
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}
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}
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}
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Section.AddCurve(C);
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i++;
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}
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/* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
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Section.Perform(Precision::PConfusion());
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Handle(GeomFill_Line) Line = new GeomFill_Line(i);
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GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
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App.Perform(Line, Section);
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if (!App.IsDone()) return 0;
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Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
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App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
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Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
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(App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
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App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
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if (GBS.IsNull()) return 0;
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aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
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}
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else {
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// implemented by skl 20.03.2008 for bug 16568
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// make approximation - try to create bspline surface
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// using GeomAPI_PointsToBSplineSurface
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TColGeom_SequenceOfCurve aSeq;
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int MaxNbPoles = 0;
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// add curves from edges to sequence and find maximal
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// number of poles if some of them are bsplines
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for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
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Scurrent = Ex.Current();
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if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
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if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
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C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
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Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
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if (TC.IsNull()) {
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Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
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if (!BC.IsNull()) {
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MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
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}
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}
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else {
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Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
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if (BC.IsNull()) {
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Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
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if (!TC1.IsNull()) {
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BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
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}
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}
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if (!BC.IsNull()) {
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MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
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}
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}
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aSeq.Append(C);
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}
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// prepare array of points for creation bspline surface
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// size of this array: by U parameter - number of curves,
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// by V parameter - determ using MaxNbPoles but it's
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// value must be between 21(min) and 101(max)
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int nbc = aSeq.Length();
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int nbp = Max(21, 2*MaxNbPoles-1);
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// commented for Mantis issue 0021541
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//if (nbp > 101) nbp = 101;
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TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
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int ic = 1;
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for (; ic <= nbc; ic++) {
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Handle(Geom_Curve) C = aSeq.Value(ic);
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double fp = C->FirstParameter();
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double lp = C->LastParameter();
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double dp = (lp-fp)/(nbp-1);
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int j = 0;
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gp_Pnt P;
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for (; j < nbp; j++) {
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C->D0(fp+dp*j, P);
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Points.SetValue(ic, j+1, P);
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}
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}
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GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
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Handle(Geom_BSplineSurface) BS = PTB.Surface();
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BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
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TopoDS_Face NewF = BB.Face();
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Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
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sff->Perform();
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sff->FixOrientation();
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aShape = sff->Face();
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}
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/* We test the validity of resulting shape */
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if (!BRepAlgo::IsValid((aShape))) {
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Standard_ConstructionError::Raise("Algorithm has produced an invalid shape result");
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return 0;
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}
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aFunction->SetValue(aShape);
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log.SetTouched(Label());
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return 1;
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}
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//================================================================================
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/*!
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* \brief Returns a name of creation operation and names and values of creation parameters
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*/
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//================================================================================
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bool GEOMImpl_FillingDriver::
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GetCreationInformation(std::string& theOperationName,
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std::vector<GEOM_Param>& theParams)
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
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GEOMImpl_IFilling aCI( function );
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Standard_Integer aType = function->GetType();
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theOperationName = "FILLING";
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switch ( aType ) {
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case BASIC_FILLING:
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{
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AddParam( theParams, "Input compound", aCI.GetShape() );
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AddParam( theParams, "Method", aCI.GetMethod() );
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const char* method[3] =
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{ "Standard", "Use edges orientation", "Correct edges orientation" };
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if ( 0 <= aCI.GetMethod() && aCI.GetMethod() < 3 )
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theParams[1] << " = " << method[ aCI.GetMethod() ];
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AddParam( theParams, "Min deg", aCI.GetMinDeg() );
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AddParam( theParams, "Max deg", aCI.GetMaxDeg() );
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AddParam( theParams, "Nb. Iter", aCI.GetNbIter() );
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AddParam( theParams, "Tol. 2D", aCI.GetTol2D() );
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AddParam( theParams, "Tol. 3D", aCI.GetTol3D() );
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AddParam( theParams, "Approximation", aCI.GetApprox() );
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break;
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}
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default:
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return false;
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}
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return true;
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}
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IMPLEMENT_STANDARD_HANDLE (GEOMImpl_FillingDriver,GEOM_BaseDriver);
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IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_FillingDriver,GEOM_BaseDriver);
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