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197 lines
6.1 KiB
C++
197 lines
6.1 KiB
C++
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// File: BlockFix.cxx
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// Created: Tue Dec 7 11:59:05 2004
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// Author: Pavel DURANDIN
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// Copyright: Open CASCADE SA 2004
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#include <BlockFix.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <ShapeCustom.hxx>
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#include <BRepTools.hxx>
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#include <ShapeBuild_ReShape.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopLoc_Location.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_CylindricalSurface.hxx>
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#include <Geom_ConicalSurface.hxx>
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#include <ShapeFix_Wire.hxx>
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#include <TopoDS_Wire.hxx>
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#include <BRepTools_Modifier.hxx>
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#include <Geom_SphericalSurface.hxx>
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#include <Geom_ToroidalSurface.hxx>
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#include <BRep_Tool.hxx>
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#include <TopoDS_Edge.hxx>
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#include <Geom2d_Curve.hxx>
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#include <BRep_Builder.hxx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <ShapeFix_Edge.hxx>
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#include <ShapeFix.hxx>
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#include <ShapeFix_Face.hxx>
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#include <ShapeAnalysis.hxx>
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#include <TColgp_SequenceOfPnt2d.hxx>
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#include <ShapeAnalysis_Curve.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <ShapeBuild_Edge.hxx>
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#include <BlockFix_SphereSpaceModifier.hxx>
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#include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <BlockFix_PeriodicSurfaceModifier.hxx>
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#include <TopoDS_Solid.hxx>
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//=======================================================================
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//function : FixResult
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//purpose : auxilary
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//=======================================================================
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static void FixResult(const TopoDS_Shape& result,
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Handle(ShapeBuild_ReShape)& Context,
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const Standard_Real Tol)
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{
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for (TopExp_Explorer ex_f(result,TopAbs_FACE); ex_f.More(); ex_f.Next()) {
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TopoDS_Shape aShape = Context->Apply(ex_f.Current().Oriented(TopAbs_FORWARD));
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// face coud not be dropped or splitted on this step
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TopoDS_Face aFace = TopoDS::Face(aShape);
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TopLoc_Location L;
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Handle(Geom_Surface) Surf = BRep_Tool::Surface(aFace,L);
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if (Surf->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ||
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Surf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
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Standard_Integer nbWires = 0;
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for (TopExp_Explorer ex_w(aFace,TopAbs_WIRE); ex_w.More(); ex_w.Next()) {
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nbWires++;
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Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(TopoDS::Wire(ex_w.Current()),
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aFace,
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Precision::Confusion());
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sfw->FixReorder();
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if(sfw->StatusReorder ( ShapeExtend_FAIL ))
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continue;
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sfw->SetPrecision(2.*Tol);
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sfw->FixShifted();
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Standard_Boolean isDone = sfw->LastFixStatus ( ShapeExtend_DONE );
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isDone |= sfw->FixDegenerated();
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// remove degenerated edges from not degenerated points
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ShapeAnalysis_Edge sae;
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Handle(ShapeExtend_WireData) sewd = sfw->WireData();
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Standard_Integer i;
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for( i = 1; i<=sewd->NbEdges();i++) {
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TopoDS_Edge E = sewd->Edge(i);
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if(BRep_Tool::Degenerated(E)&&!sae.HasPCurve(E,aFace)) {
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sewd->Remove(i);
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isDone = Standard_True;
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i--;
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}
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}
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isDone |= sfw->FixLacking();
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// remove neighbour seam edges
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if(isDone) {
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for( i = 1; i<sewd->NbEdges();i++) {
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if(sewd->IsSeam(i) && sewd->IsSeam(i+1)) {
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isDone = Standard_True;
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sewd->Remove(i);
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sewd->Remove(i);
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i--;
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}
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}
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if(sewd->IsSeam(1) && sewd->IsSeam(sewd->NbEdges())) {
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sewd->Remove(1);
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sewd->Remove(sewd->NbEdges());
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}
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}
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if(isDone) {
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TopoDS_Wire ResWire = sfw->Wire();
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Context->Replace(ex_w.Current(), ResWire);
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};
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}
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// Implement fix orientation in case of several wires
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if(nbWires > 1) {
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TopoDS_Face aFixedFace = TopoDS::Face(Context->Apply(aFace));
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Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFixedFace);
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if(sff->FixOrientation())
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Context->Replace(aFixedFace,sff->Face());
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}
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}
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}
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}
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//=======================================================================
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//function : ConvertToAnalytical
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//purpose :
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//=======================================================================
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TopoDS_Shape BlockFix::RotateSphereSpace (const TopoDS_Shape& S,
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const Standard_Real Tol)
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{
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// Create a modification description
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Handle(BlockFix_SphereSpaceModifier) SR = new BlockFix_SphereSpaceModifier;
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SR->SetTolerance(Tol);
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TopTools_DataMapOfShapeShape context;
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BRepTools_Modifier MD;
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TopoDS_Shape result = ShapeCustom::ApplyModifier ( S, SR, context,MD );
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Handle(ShapeBuild_ReShape) RS = new ShapeBuild_ReShape;
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FixResult(result,RS,Tol);
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result = RS->Apply(result);
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ShapeFix_Edge sfe;
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for(TopExp_Explorer exp(result,TopAbs_EDGE); exp.More(); exp.Next()) {
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TopoDS_Edge E = TopoDS::Edge(exp.Current());
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sfe.FixVertexTolerance (E);
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}
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ShapeFix::SameParameter(result,Standard_False);
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return result;
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}
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//=======================================================================
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//function : FixRanges
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//purpose :
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//=======================================================================
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TopoDS_Shape BlockFix::FixRanges (const TopoDS_Shape& S,
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const Standard_Real Tol)
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{
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// Create a modification description
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Handle(BlockFix_PeriodicSurfaceModifier) SR = new BlockFix_PeriodicSurfaceModifier;
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SR->SetTolerance(Tol);
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TopTools_DataMapOfShapeShape context;
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BRepTools_Modifier MD;
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TopoDS_Shape result = ShapeCustom::ApplyModifier ( S, SR, context,MD );
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Handle(ShapeBuild_ReShape) RS = new ShapeBuild_ReShape;
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FixResult(result,RS,Tol);
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result = RS->Apply(result);
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ShapeFix_Edge sfe;
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for(TopExp_Explorer exp(result,TopAbs_EDGE); exp.More(); exp.Next()) {
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TopoDS_Edge E = TopoDS::Edge(exp.Current());
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sfe.FixVertexTolerance (E);
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}
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ShapeFix::SameParameter(result,Standard_False);
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return result;
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}
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