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52db475165
Interpolation state check is fixed to mark as valid only ordered sequences of poles. Refactoring of Approx_SameParameter.cxx. Test case is added. Test cases are updated to the new behavior. Update of testing cases
2058 lines
67 KiB
C++
2058 lines
67 KiB
C++
// Created on: 1993-12-15
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// Created by: Remi LEQUETTE
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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//pmn 26/09/97 Add parameters of approximation in BuildCurve3d
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// Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898
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#include <Adaptor3d_CurveOnSurface.hxx>
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#include <AdvApprox_ApproxAFunction.hxx>
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#include <AppParCurves_MultiBSpCurve.hxx>
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#include <AppParCurves_MultiCurve.hxx>
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#include <Approx_CurvilinearParameter.hxx>
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#include <Approx_SameParameter.hxx>
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#include <Bnd_Box.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_CurveRepresentation.hxx>
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#include <BRep_GCurve.hxx>
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#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
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#include <BRep_ListOfCurveRepresentation.hxx>
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#include <BRep_TEdge.hxx>
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#include <BRep_TFace.hxx>
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#include <BRep_Tool.hxx>
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#include <BRep_TVertex.hxx>
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#include <BRepAdaptor_HCurve.hxx>
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#include <BRepAdaptor_HCurve2d.hxx>
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#include <BRepAdaptor_HSurface.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <BRepBndLib.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <BRepLib.hxx>
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#include <BSplCLib.hxx>
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#include <ElSLib.hxx>
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#include <Extrema_LocateExtPC.hxx>
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#include <GCPnts_QuasiUniformDeflection.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <Geom2dAdaptor.hxx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2dAdaptor_HCurve.hxx>
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#include <Geom2dConvert.hxx>
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#include <Geom_BSplineCurve.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GeomAdaptor_HCurve.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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#include <GeomAdaptor_Surface.hxx>
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#include <GeomLib.hxx>
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#include <GeomLProp_SLProps.hxx>
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#include <gp.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Pln.hxx>
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#include <Poly_PolygonOnTriangulation.hxx>
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#include <Poly_Triangulation.hxx>
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#include <Precision.hxx>
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#include <ProjLib_ProjectedCurve.hxx>
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#include <Standard_Real.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_MapOfTransient.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <TShort_HArray1OfShortReal.hxx>
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#include <TColgp_Array1OfXY.hxx>
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// TODO - not thread-safe static variables
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static Standard_Real thePrecision = Precision::Confusion();
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static Handle(Geom_Plane) thePlane;
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//=======================================================================
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//function : Precision
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//purpose :
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//=======================================================================
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void BRepLib::Precision(const Standard_Real P)
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{
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thePrecision = P;
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}
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//=======================================================================
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//function : Precision
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//purpose :
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//=======================================================================
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Standard_Real BRepLib::Precision()
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{
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return thePrecision;
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}
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//=======================================================================
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//function : Plane
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//purpose :
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//=======================================================================
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void BRepLib::Plane(const Handle(Geom_Plane)& P)
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{
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thePlane = P;
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}
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//=======================================================================
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//function : Plane
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//purpose :
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//=======================================================================
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const Handle(Geom_Plane)& BRepLib::Plane()
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{
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if (thePlane.IsNull()) thePlane = new Geom_Plane(gp::XOY());
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return thePlane;
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}
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//=======================================================================
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//function : CheckSameRange
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//purpose :
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//=======================================================================
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Standard_Boolean BRepLib::CheckSameRange(const TopoDS_Edge& AnEdge,
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const Standard_Real Tolerance)
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{
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Standard_Boolean IsSameRange = Standard_True,
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first_time_in = Standard_True ;
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BRep_ListIteratorOfListOfCurveRepresentation an_Iterator
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((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves());
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Standard_Real first, last;
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Standard_Real current_first =0., current_last =0. ;
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Handle(BRep_GCurve) geometric_representation_ptr ;
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while (IsSameRange && an_Iterator.More()) {
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geometric_representation_ptr =
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Handle(BRep_GCurve)::DownCast(an_Iterator.Value());
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if (!geometric_representation_ptr.IsNull()) {
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first = geometric_representation_ptr->First();
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last = geometric_representation_ptr->Last();
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if (first_time_in ) {
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current_first = first ;
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current_last = last ;
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first_time_in = Standard_False ;
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}
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else {
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IsSameRange = (Abs(current_first - first) <= Tolerance)
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&& (Abs(current_last -last) <= Tolerance ) ;
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}
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}
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an_Iterator.Next() ;
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}
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return IsSameRange ;
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}
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//=======================================================================
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//function : SameRange
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//purpose :
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//=======================================================================
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void BRepLib::SameRange(const TopoDS_Edge& AnEdge,
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const Standard_Real Tolerance)
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{
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BRep_ListIteratorOfListOfCurveRepresentation an_Iterator
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((*((Handle(BRep_TEdge)*)&AnEdge.TShape()))->ChangeCurves());
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Handle(Geom2d_Curve) Curve2dPtr, Curve2dPtr2, NewCurve2dPtr, NewCurve2dPtr2;
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TopLoc_Location LocalLoc ;
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Standard_Boolean first_time_in = Standard_True,
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has_curve,
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has_closed_curve ;
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Handle(BRep_GCurve) geometric_representation_ptr ;
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Standard_Real first,
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current_first,
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last,
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current_last ;
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const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,
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LocalLoc,
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current_first,
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current_last);
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if (!C.IsNull()) {
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first_time_in = Standard_False ;
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}
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while (an_Iterator.More()) {
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geometric_representation_ptr =
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Handle(BRep_GCurve)::DownCast(an_Iterator.Value());
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if (! geometric_representation_ptr.IsNull()) {
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has_closed_curve =
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has_curve = Standard_False ;
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first = geometric_representation_ptr->First();
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last = geometric_representation_ptr->Last();
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if (geometric_representation_ptr->IsCurveOnSurface()) {
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Curve2dPtr = geometric_representation_ptr->PCurve() ;
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has_curve = Standard_True ;
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}
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if (geometric_representation_ptr->IsCurveOnClosedSurface()) {
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Curve2dPtr2 = geometric_representation_ptr->PCurve2() ;
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has_closed_curve = Standard_True ;
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}
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if (has_curve || has_closed_curve) {
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if (first_time_in) {
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current_first = first ;
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current_last = last ;
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first_time_in = Standard_False ;
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}
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if (Abs(first - current_first) > Precision::Confusion() ||
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Abs(last - current_last) > Precision::Confusion() )
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{
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if (has_curve)
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{
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GeomLib::SameRange(Tolerance,
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Curve2dPtr,
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geometric_representation_ptr->First(),
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geometric_representation_ptr->Last(),
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current_first,
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current_last,
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NewCurve2dPtr);
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geometric_representation_ptr->PCurve(NewCurve2dPtr) ;
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}
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if (has_closed_curve)
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{
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GeomLib::SameRange(Tolerance,
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Curve2dPtr2,
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geometric_representation_ptr->First(),
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geometric_representation_ptr->Last(),
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current_first,
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current_last,
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NewCurve2dPtr2);
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geometric_representation_ptr->PCurve2(NewCurve2dPtr2) ;
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}
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}
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}
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}
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an_Iterator.Next() ;
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}
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BRep_Builder B;
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B.Range(TopoDS::Edge(AnEdge),
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current_first,
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current_last) ;
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B.SameRange(AnEdge,
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Standard_True) ;
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}
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//=======================================================================
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//function : EvaluateMaxSegment
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//purpose : return MaxSegment to pass in approximation, if MaxSegment==0 provided
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//=======================================================================
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static Standard_Integer evaluateMaxSegment(const Standard_Integer aMaxSegment,
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const Adaptor3d_CurveOnSurface& aCurveOnSurface)
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{
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if (aMaxSegment != 0) return aMaxSegment;
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Handle(Adaptor3d_HSurface) aSurf = aCurveOnSurface.GetSurface();
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Handle(Adaptor2d_HCurve2d) aCurv2d = aCurveOnSurface.GetCurve();
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Standard_Real aNbSKnots = 0, aNbC2dKnots = 0;
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if (aSurf->GetType() == GeomAbs_BSplineSurface) {
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Handle(Geom_BSplineSurface) aBSpline = aSurf->BSpline();
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aNbSKnots = Max(aBSpline->NbUKnots(), aBSpline->NbVKnots());
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}
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if (aCurv2d->GetType() == GeomAbs_BSplineCurve) {
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aNbC2dKnots = aCurv2d->NbKnots();
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}
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Standard_Integer aReturn = (Standard_Integer) ( 30 + Max(aNbSKnots, aNbC2dKnots) ) ;
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return aReturn;
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}
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//=======================================================================
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//function : BuildCurve3d
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//purpose :
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//=======================================================================
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Standard_Boolean BRepLib::BuildCurve3d(const TopoDS_Edge& AnEdge,
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const Standard_Real Tolerance,
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const GeomAbs_Shape Continuity,
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const Standard_Integer MaxDegree,
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const Standard_Integer MaxSegment)
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{
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Standard_Integer //ErrorCode,
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// ReturnCode = 0,
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ii,
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// num_knots,
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jj;
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TopLoc_Location LocalLoc,L[2],LC;
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Standard_Real f,l,fc,lc, first[2], last[2],
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tolerance,
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max_deviation,
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average_deviation ;
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Handle(Geom2d_Curve) Curve2dPtr, Curve2dArray[2] ;
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Handle(Geom_Surface) SurfacePtr, SurfaceArray[2] ;
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Standard_Integer not_done ;
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// if the edge has a 3d curve returns true
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const Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,LocalLoc,f,l);
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if (!C.IsNull())
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return Standard_True;
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//
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// this should not exists but UpdateEdge makes funny things
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// if the edge is not same range
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//
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if (! CheckSameRange(AnEdge,
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Precision::Confusion())) {
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SameRange(AnEdge,
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Tolerance) ;
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}
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// search a curve on a plane
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Handle(Geom_Surface) S;
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Handle(Geom2d_Curve) PC;
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Standard_Integer i = 0;
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Handle(Geom_Plane) P;
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not_done = 1 ;
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while (not_done) {
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i++;
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BRep_Tool::CurveOnSurface(AnEdge,PC,S,LocalLoc,f,l,i);
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Handle(Geom_RectangularTrimmedSurface) RT =
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Handle(Geom_RectangularTrimmedSurface)::DownCast(S);
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if ( RT.IsNull()) {
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P = Handle(Geom_Plane)::DownCast(S);
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}
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else {
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P = Handle(Geom_Plane)::DownCast(RT->BasisSurface());
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}
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not_done = ! (S.IsNull() || !P.IsNull()) ;
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}
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if (! P.IsNull()) {
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// compute the 3d curve
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gp_Ax2 axes = P->Position().Ax2();
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Handle(Geom_Curve) C3d = GeomLib::To3d(axes,PC);
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if (C3d.IsNull())
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return Standard_False;
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// update the edge
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Standard_Real First, Last;
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BRep_Builder B;
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B.UpdateEdge(AnEdge,C3d,LocalLoc,0.0e0);
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BRep_Tool::Range(AnEdge, S, LC, First, Last);
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B.Range(AnEdge, First, Last); //Do not forget 3D range.(PRO6412)
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}
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else {
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//
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// compute the 3d curve using existing surface
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//
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fc = f ;
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lc = l ;
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if (!BRep_Tool::Degenerated(AnEdge)) {
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jj = 0 ;
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for (ii = 0 ; ii < 3 ; ii++ ) {
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BRep_Tool::CurveOnSurface(TopoDS::Edge(AnEdge),
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Curve2dPtr,
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SurfacePtr,
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LocalLoc,
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fc,
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lc,
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ii) ;
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if (!Curve2dPtr.IsNull() && jj < 2){
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Curve2dArray[jj] = Curve2dPtr ;
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SurfaceArray[jj] = SurfacePtr ;
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L[jj] = LocalLoc ;
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first[jj] = fc ;
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last[jj] = lc ;
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jj += 1 ;
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}
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}
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f = first[0] ;
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l = last[0] ;
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Curve2dPtr = Curve2dArray[0] ;
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SurfacePtr = SurfaceArray[0] ;
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Geom2dAdaptor_Curve AnAdaptor3dCurve2d (Curve2dPtr, f, l) ;
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GeomAdaptor_Surface AnAdaptor3dSurface (SurfacePtr) ;
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Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr =
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new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ;
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Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr =
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new GeomAdaptor_HSurface (AnAdaptor3dSurface) ;
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Adaptor3d_CurveOnSurface CurveOnSurface( AnAdaptor3dCurve2dPtr,
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AnAdaptor3dSurfacePtr) ;
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Handle(Geom_Curve) NewCurvePtr ;
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GeomLib::BuildCurve3d(Tolerance,
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CurveOnSurface,
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f,
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l,
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NewCurvePtr,
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max_deviation,
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average_deviation,
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Continuity,
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MaxDegree,
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evaluateMaxSegment(MaxSegment,CurveOnSurface)) ;
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BRep_Builder B;
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tolerance = BRep_Tool::Tolerance(AnEdge) ;
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//Patch
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//max_deviation = Max(tolerance, max_deviation) ;
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max_deviation = Max( tolerance, Tolerance );
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if (NewCurvePtr.IsNull())
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return Standard_False;
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B.UpdateEdge(TopoDS::Edge(AnEdge),
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NewCurvePtr,
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L[0],
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max_deviation) ;
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if (jj == 1 ) {
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//
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// if there is only one curve on surface attached to the edge
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// than it can be qualified sameparameter
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//
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B.SameParameter(TopoDS::Edge(AnEdge),
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Standard_True) ;
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}
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}
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else {
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return Standard_False ;
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}
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}
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return Standard_True;
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}
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//=======================================================================
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//function : BuildCurves3d
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//purpose :
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//=======================================================================
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Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S)
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{
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return BRepLib::BuildCurves3d(S,
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1.0e-5) ;
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}
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//=======================================================================
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//function : BuildCurves3d
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//purpose :
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//=======================================================================
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Standard_Boolean BRepLib::BuildCurves3d(const TopoDS_Shape& S,
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const Standard_Real Tolerance,
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const GeomAbs_Shape Continuity,
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const Standard_Integer MaxDegree,
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const Standard_Integer MaxSegment)
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{
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Standard_Boolean boolean_value,
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ok = Standard_True;
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TopTools_MapOfShape a_counter ;
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TopExp_Explorer ex(S,TopAbs_EDGE);
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while (ex.More()) {
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if (a_counter.Add(ex.Current())) {
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boolean_value =
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BuildCurve3d(TopoDS::Edge(ex.Current()),
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Tolerance, Continuity,
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MaxDegree, MaxSegment);
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ok = ok && boolean_value ;
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}
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ex.Next();
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}
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return ok;
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}
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//=======================================================================
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//function : UpdateEdgeTolerance
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//purpose :
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//=======================================================================
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|
|
Standard_Boolean BRepLib::UpdateEdgeTol(const TopoDS_Edge& AnEdge,
|
|
const Standard_Real MinToleranceRequested,
|
|
const Standard_Real MaxToleranceToCheck)
|
|
{
|
|
|
|
Standard_Integer curve_on_surface_index,
|
|
curve_index,
|
|
not_done,
|
|
has_closed_curve,
|
|
has_curve,
|
|
jj,
|
|
ii,
|
|
geom_reference_curve_flag = 0,
|
|
max_sampling_points = 90,
|
|
min_sampling_points = 30 ;
|
|
|
|
Standard_Real factor = 100.0e0,
|
|
// sampling_array[2],
|
|
safe_factor = 1.4e0,
|
|
current_last,
|
|
current_first,
|
|
max_distance,
|
|
coded_edge_tolerance,
|
|
edge_tolerance = 0.0e0 ;
|
|
Handle(TColStd_HArray1OfReal) parameters_ptr ;
|
|
Handle(BRep_GCurve) geometric_representation_ptr ;
|
|
|
|
if (BRep_Tool::Degenerated(AnEdge)) return Standard_False ;
|
|
coded_edge_tolerance = BRep_Tool::Tolerance(AnEdge) ;
|
|
if (coded_edge_tolerance > MaxToleranceToCheck) return Standard_False ;
|
|
|
|
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&AnEdge.TShape());
|
|
BRep_ListOfCurveRepresentation& list_curve_rep = TE->ChangeCurves() ;
|
|
BRep_ListIteratorOfListOfCurveRepresentation an_iterator(list_curve_rep),
|
|
second_iterator(list_curve_rep) ;
|
|
Handle(Geom2d_Curve) curve2d_ptr, new_curve2d_ptr;
|
|
Handle(Geom_Surface) surface_ptr ;
|
|
TopLoc_Location local_location ;
|
|
GCPnts_QuasiUniformDeflection a_sampler ;
|
|
GeomAdaptor_Curve geom_reference_curve ;
|
|
Adaptor3d_CurveOnSurface curve_on_surface_reference ;
|
|
Handle(Geom_Curve) C = BRep_Tool::Curve(AnEdge,
|
|
local_location,
|
|
current_first,
|
|
current_last);
|
|
curve_on_surface_index = -1 ;
|
|
if (!C.IsNull()) {
|
|
if (! local_location.IsIdentity()) {
|
|
C = Handle(Geom_Curve)::
|
|
DownCast(C-> Transformed(local_location.Transformation()) ) ;
|
|
}
|
|
geom_reference_curve.Load(C) ;
|
|
geom_reference_curve_flag = 1 ;
|
|
a_sampler.Initialize(geom_reference_curve,
|
|
MinToleranceRequested * factor,
|
|
current_first,
|
|
current_last) ;
|
|
}
|
|
else {
|
|
not_done = 1 ;
|
|
curve_on_surface_index = 0 ;
|
|
|
|
while (not_done && an_iterator.More()) {
|
|
geometric_representation_ptr =
|
|
Handle(BRep_GCurve)::DownCast(second_iterator.Value());
|
|
if (!geometric_representation_ptr.IsNull()
|
|
&& geometric_representation_ptr->IsCurveOnSurface()) {
|
|
curve2d_ptr = geometric_representation_ptr->PCurve() ;
|
|
local_location = geometric_representation_ptr->Location() ;
|
|
current_first = geometric_representation_ptr->First();
|
|
//first = geometric_representation_ptr->First();
|
|
current_last = geometric_representation_ptr->Last();
|
|
// must be inverted
|
|
//
|
|
if (! local_location.IsIdentity() ) {
|
|
surface_ptr = Handle(Geom_Surface)::
|
|
DownCast( geometric_representation_ptr->Surface()->
|
|
Transformed(local_location.Transformation()) ) ;
|
|
}
|
|
else {
|
|
surface_ptr =
|
|
geometric_representation_ptr->Surface() ;
|
|
}
|
|
not_done = 0 ;
|
|
}
|
|
curve_on_surface_index += 1 ;
|
|
}
|
|
Geom2dAdaptor_Curve AnAdaptor3dCurve2d (curve2d_ptr) ;
|
|
GeomAdaptor_Surface AnAdaptor3dSurface (surface_ptr) ;
|
|
Handle(Geom2dAdaptor_HCurve) AnAdaptor3dCurve2dPtr =
|
|
new Geom2dAdaptor_HCurve(AnAdaptor3dCurve2d) ;
|
|
Handle(GeomAdaptor_HSurface) AnAdaptor3dSurfacePtr =
|
|
new GeomAdaptor_HSurface (AnAdaptor3dSurface) ;
|
|
curve_on_surface_reference.Load (AnAdaptor3dCurve2dPtr, AnAdaptor3dSurfacePtr);
|
|
a_sampler.Initialize(curve_on_surface_reference,
|
|
MinToleranceRequested * factor,
|
|
current_first,
|
|
current_last) ;
|
|
}
|
|
TColStd_Array1OfReal sampling_parameters(1,a_sampler.NbPoints()) ;
|
|
for (ii = 1 ; ii <= a_sampler.NbPoints() ; ii++) {
|
|
sampling_parameters(ii) = a_sampler.Parameter(ii) ;
|
|
}
|
|
if (a_sampler.NbPoints() < min_sampling_points) {
|
|
GeomLib::DensifyArray1OfReal(min_sampling_points,
|
|
sampling_parameters,
|
|
parameters_ptr) ;
|
|
}
|
|
else if (a_sampler.NbPoints() > max_sampling_points) {
|
|
GeomLib::RemovePointsFromArray(max_sampling_points,
|
|
sampling_parameters,
|
|
parameters_ptr) ;
|
|
}
|
|
else {
|
|
jj = 1 ;
|
|
parameters_ptr =
|
|
new TColStd_HArray1OfReal(1,sampling_parameters.Length()) ;
|
|
for (ii = sampling_parameters.Lower() ; ii <= sampling_parameters.Upper() ; ii++) {
|
|
parameters_ptr->ChangeArray1()(jj) =
|
|
sampling_parameters(ii) ;
|
|
jj +=1 ;
|
|
}
|
|
}
|
|
|
|
curve_index = 0 ;
|
|
|
|
while (second_iterator.More()) {
|
|
geometric_representation_ptr =
|
|
Handle(BRep_GCurve)::DownCast(second_iterator.Value());
|
|
if (! geometric_representation_ptr.IsNull() &&
|
|
curve_index != curve_on_surface_index) {
|
|
has_closed_curve =
|
|
has_curve = Standard_False ;
|
|
// first = geometric_representation_ptr->First();
|
|
// last = geometric_representation_ptr->Last();
|
|
local_location = geometric_representation_ptr->Location() ;
|
|
if (geometric_representation_ptr->IsCurveOnSurface()) {
|
|
curve2d_ptr = geometric_representation_ptr->PCurve() ;
|
|
has_curve = Standard_True ;
|
|
}
|
|
if (geometric_representation_ptr->IsCurveOnClosedSurface()) {
|
|
curve2d_ptr = geometric_representation_ptr->PCurve2() ;
|
|
has_closed_curve = Standard_True ;
|
|
}
|
|
|
|
if (has_curve ||
|
|
has_closed_curve) {
|
|
if (! local_location.IsIdentity() ) {
|
|
surface_ptr = Handle(Geom_Surface)::
|
|
DownCast( geometric_representation_ptr->Surface()->
|
|
Transformed(local_location.Transformation()) ) ;
|
|
}
|
|
else {
|
|
surface_ptr =
|
|
geometric_representation_ptr->Surface() ;
|
|
}
|
|
Geom2dAdaptor_Curve an_adaptor_curve2d (curve2d_ptr) ;
|
|
GeomAdaptor_Surface an_adaptor_surface(surface_ptr) ;
|
|
Handle(Geom2dAdaptor_HCurve) an_adaptor_curve2d_ptr =
|
|
new Geom2dAdaptor_HCurve(an_adaptor_curve2d) ;
|
|
Handle(GeomAdaptor_HSurface) an_adaptor_surface_ptr =
|
|
new GeomAdaptor_HSurface (an_adaptor_surface) ;
|
|
Adaptor3d_CurveOnSurface a_curve_on_surface(an_adaptor_curve2d_ptr,
|
|
an_adaptor_surface_ptr) ;
|
|
|
|
if (BRep_Tool::SameParameter(AnEdge)) {
|
|
|
|
GeomLib::EvalMaxParametricDistance(a_curve_on_surface,
|
|
geom_reference_curve,
|
|
MinToleranceRequested,
|
|
parameters_ptr->Array1(),
|
|
max_distance) ;
|
|
}
|
|
else if (geom_reference_curve_flag) {
|
|
GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface,
|
|
geom_reference_curve,
|
|
MinToleranceRequested,
|
|
parameters_ptr->Array1(),
|
|
max_distance) ;
|
|
}
|
|
else {
|
|
|
|
GeomLib::EvalMaxDistanceAlongParameter(a_curve_on_surface,
|
|
curve_on_surface_reference,
|
|
MinToleranceRequested,
|
|
parameters_ptr->Array1(),
|
|
max_distance) ;
|
|
}
|
|
max_distance *= safe_factor ;
|
|
edge_tolerance = Max(max_distance, edge_tolerance) ;
|
|
}
|
|
|
|
|
|
}
|
|
curve_index += 1 ;
|
|
second_iterator.Next() ;
|
|
}
|
|
|
|
TE->Tolerance(edge_tolerance);
|
|
return Standard_True ;
|
|
|
|
}
|
|
//=======================================================================
|
|
//function : UpdateEdgeTolerance
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Standard_Boolean BRepLib::UpdateEdgeTolerance(const TopoDS_Shape& S,
|
|
const Standard_Real MinToleranceRequested,
|
|
const Standard_Real MaxToleranceToCheck)
|
|
{
|
|
TopExp_Explorer ex(S,TopAbs_EDGE);
|
|
TopTools_MapOfShape a_counter ;
|
|
|
|
Standard_Boolean return_status = Standard_False,
|
|
local_flag ;
|
|
|
|
while (ex.More()) {
|
|
if (a_counter.Add(ex.Current())) {
|
|
local_flag =
|
|
BRepLib::UpdateEdgeTol(TopoDS::Edge(ex.Current()),
|
|
MinToleranceRequested,
|
|
MaxToleranceToCheck) ;
|
|
if (local_flag && ! return_status) {
|
|
return_status = Standard_True ;
|
|
}
|
|
}
|
|
ex.Next();
|
|
}
|
|
return return_status ;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : SetEdgeTol
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
static void SetEdgeTol(const TopoDS_Edge& E,
|
|
const TopoDS_Face& F)
|
|
{
|
|
TopLoc_Location L;
|
|
const Handle(Geom_Surface)& S = BRep_Tool::Surface(F,L);
|
|
TopLoc_Location l = L.Predivided(E.Location());
|
|
|
|
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
|
|
BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->ChangeCurves());
|
|
|
|
while (itcr.More()) {
|
|
const Handle(BRep_CurveRepresentation)& cr = itcr.Value();
|
|
if(cr->IsCurveOnSurface(S,l)) return;
|
|
itcr.Next();
|
|
}
|
|
|
|
Handle(Geom_Plane) GP;
|
|
Handle(Geom_RectangularTrimmedSurface) GRTS;
|
|
GRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(S);
|
|
if(!GRTS.IsNull())
|
|
GP = Handle(Geom_Plane)::DownCast(GRTS->BasisSurface());
|
|
else
|
|
GP = Handle(Geom_Plane)::DownCast(S);
|
|
|
|
Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve();
|
|
Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
|
|
|
|
TopLoc_Location LC;
|
|
Standard_Real First, Last;
|
|
GeomAdaptor_Curve& GAC = HC->ChangeCurve();
|
|
GAC.Load(BRep_Tool::Curve(E,LC,First,Last));
|
|
LC = L.Predivided(LC);
|
|
|
|
if (!LC.IsIdentity()) {
|
|
GP = Handle(Geom_Plane)::DownCast(
|
|
GP->Transformed(LC.Transformation()));
|
|
}
|
|
GeomAdaptor_Surface& GAS = HS->ChangeSurface();
|
|
GAS.Load(GP);
|
|
|
|
ProjLib_ProjectedCurve Proj(HS,HC);
|
|
Handle(Geom2d_Curve) pc = Geom2dAdaptor::MakeCurve(Proj);
|
|
|
|
gp_Pln pln = GAS.Plane();
|
|
Standard_Real d2 = 0.;
|
|
Standard_Integer nn = 23;
|
|
Standard_Real unsurnn = 1./nn;
|
|
for(Standard_Integer i = 0; i <= nn; i++){
|
|
Standard_Real t = unsurnn*i;
|
|
Standard_Real u = First*(1.-t) + Last*t;
|
|
gp_Pnt Pc3d = HC->Value(u);
|
|
gp_Pnt2d p2d = pc->Value(u);
|
|
gp_Pnt Pcons = ElSLib::Value(p2d.X(),p2d.Y(),pln);
|
|
Standard_Real eps = Max(Pc3d.XYZ().SquareModulus(), Pcons.XYZ().SquareModulus());
|
|
eps = Epsilon(eps);
|
|
Standard_Real temp = Pc3d.SquareDistance(Pcons);
|
|
if(temp <= eps)
|
|
{
|
|
temp = 0.;
|
|
}
|
|
if(temp > d2) d2 = temp;
|
|
}
|
|
d2 = 1.5*sqrt(d2);
|
|
TE->UpdateTolerance(d2);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : SameParameter
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepLib::SameParameter(const TopoDS_Shape& S,
|
|
const Standard_Real Tolerance,
|
|
const Standard_Boolean forced)
|
|
{
|
|
TopExp_Explorer ex(S,TopAbs_EDGE);
|
|
TopTools_MapOfShape Done;
|
|
BRep_Builder brB;
|
|
|
|
while (ex.More()) {
|
|
if (Done.Add(ex.Current())) {
|
|
if (forced) {
|
|
brB.SameRange(TopoDS::Edge(ex.Current()), Standard_False);
|
|
brB.SameParameter(TopoDS::Edge(ex.Current()), Standard_False);
|
|
}
|
|
BRepLib::SameParameter(TopoDS::Edge(ex.Current()),Tolerance);
|
|
}
|
|
ex.Next();
|
|
}
|
|
|
|
Done.Clear();
|
|
BRepAdaptor_Surface BS;
|
|
for(ex.Init(S,TopAbs_FACE); ex.More(); ex.Next()){
|
|
const TopoDS_Face& curface = TopoDS::Face(ex.Current());
|
|
if(!Done.Add(curface)) continue;
|
|
BS.Initialize(curface);
|
|
if(BS.GetType() != GeomAbs_Plane) continue;
|
|
TopExp_Explorer ex2;
|
|
for(ex2.Init(curface,TopAbs_EDGE); ex2.More(); ex2.Next()){
|
|
const TopoDS_Edge& E = TopoDS::Edge(ex2.Current());
|
|
SetEdgeTol(E,curface);
|
|
}
|
|
}
|
|
BRepLib::UpdateTolerances(S);
|
|
}
|
|
|
|
//================================================================
|
|
//function : SameParameter
|
|
//WARNING : New spec DUB LBO 9/9/97.
|
|
// Recode in the edge the best tolerance found,
|
|
// for vertex extremities it is required to find something else
|
|
//================================================================
|
|
static Standard_Boolean EvalTol(const Handle(Geom2d_Curve)& pc,
|
|
const Handle(Geom_Surface)& s,
|
|
const GeomAdaptor_Curve& gac,
|
|
const Standard_Real tol,
|
|
Standard_Real& tolbail)
|
|
{
|
|
Standard_Integer ok = 0;
|
|
Standard_Real f = gac.FirstParameter();
|
|
Standard_Real l = gac.LastParameter();
|
|
Extrema_LocateExtPC Projector;
|
|
Projector.Initialize(gac,f,l,tol);
|
|
Standard_Real u,v;
|
|
gp_Pnt p;
|
|
tolbail = tol;
|
|
for(Standard_Integer i = 1; i <= 5; i++){
|
|
Standard_Real t = i/6.;
|
|
t = (1.-t) * f + t * l;
|
|
pc->Value(t).Coord(u,v);
|
|
p = s->Value(u,v);
|
|
Projector.Perform(p,t);
|
|
if (Projector.IsDone()) {
|
|
Standard_Real dist2 = Projector.SquareDistance();
|
|
if(dist2 > tolbail * tolbail) tolbail = sqrt (dist2);
|
|
ok++;
|
|
}
|
|
}
|
|
return (ok > 2);
|
|
}
|
|
|
|
static Standard_Real ComputeTol(const Handle(Adaptor3d_HCurve)& c3d,
|
|
const Handle(Adaptor2d_HCurve2d)& c2d,
|
|
const Handle(Adaptor3d_HSurface)& surf,
|
|
const Standard_Integer nbp)
|
|
|
|
{
|
|
|
|
TColStd_Array1OfReal dist(1,nbp+10);
|
|
dist.Init(-1.);
|
|
|
|
Adaptor3d_CurveOnSurface cons(c2d,surf);
|
|
Standard_Real d2 = 0.;
|
|
Standard_Real first = c3d->FirstParameter();
|
|
Standard_Real last = c3d->LastParameter();
|
|
Standard_Integer i = 0;
|
|
for(i = 0; i <= nbp; i++){
|
|
const Standard_Real t = IntToReal(i)/IntToReal(nbp);
|
|
const Standard_Real u = first*(1.-t) + last*t;
|
|
gp_Pnt Pc3d = c3d->Value(u);
|
|
gp_Pnt Pcons = cons.Value(u);
|
|
if (Precision::IsInfinite(Pcons.X()) ||
|
|
Precision::IsInfinite(Pcons.Y()) ||
|
|
Precision::IsInfinite(Pcons.Z())) {
|
|
d2=Precision::Infinite();
|
|
break;
|
|
}
|
|
Standard_Real temp = Pc3d.SquareDistance(Pcons);
|
|
|
|
|
|
dist(i+1) = temp;
|
|
|
|
|
|
if(temp > d2) d2 = temp;
|
|
}
|
|
|
|
|
|
Standard_Boolean ana = Standard_False;
|
|
Standard_Real D2 = 0;
|
|
Standard_Integer N1 = 0;
|
|
Standard_Integer N2 = 0;
|
|
Standard_Integer N3 = 0;
|
|
|
|
for( i = 1; i<= nbp+10; i++)
|
|
if( dist(i) > 0 ) {
|
|
if( dist(i) < 1.0 ) N1++;
|
|
else N2++;
|
|
}
|
|
|
|
if( N1 > N2 && N2 != 0 ) N3 = 100*N2/(N1+N2);
|
|
if( N3 < 10 && N3 != 0 ) {
|
|
ana = Standard_True;
|
|
for( i = 1; i<= nbp+10; i++)
|
|
if( dist(i) > 0 && dist(i) < 1.0 )
|
|
if( dist(i) > D2 ) D2 = dist(i);
|
|
}
|
|
|
|
//d2 = 1.5*sqrt(d2);
|
|
d2 = (!ana) ? 1.5*sqrt(d2) : 1.5*sqrt(D2);
|
|
if(d2<1.e-7) d2 = 1.e-7;
|
|
|
|
return d2;
|
|
}
|
|
|
|
void BRepLib::SameParameter(const TopoDS_Edge& AnEdge,
|
|
const Standard_Real Tolerance)
|
|
{
|
|
if (BRep_Tool::SameParameter(AnEdge)) return;
|
|
|
|
const Standard_Integer NCONTROL = 22;
|
|
|
|
Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve();
|
|
Handle(Geom2dAdaptor_HCurve) HC2d = new Geom2dAdaptor_HCurve();
|
|
Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
|
|
GeomAdaptor_Curve& GAC = HC->ChangeCurve();
|
|
Geom2dAdaptor_Curve& GAC2d = HC2d->ChangeCurve2d();
|
|
GeomAdaptor_Surface& GAS = HS->ChangeSurface();
|
|
Standard_Real f3d =0.,l3d =0.;
|
|
TopLoc_Location L3d;
|
|
Handle(Geom_Curve) C3d;
|
|
|
|
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &AnEdge.TShape());
|
|
BRep_ListOfCurveRepresentation& CList = TE->ChangeCurves();
|
|
BRep_ListIteratorOfListOfCurveRepresentation It(CList);
|
|
|
|
Standard_Boolean NotDone = Standard_True;
|
|
|
|
while (NotDone && It.More()) {
|
|
Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value());
|
|
if (!GCurve.IsNull() && GCurve->IsCurve3D()) {
|
|
C3d = GCurve->Curve3D() ;
|
|
f3d = GCurve->First();
|
|
l3d = GCurve->Last();
|
|
L3d = GCurve->Location() ;
|
|
NotDone = Standard_False;
|
|
}
|
|
It.Next() ;
|
|
}
|
|
|
|
if(C3d.IsNull()) return;
|
|
|
|
// modified by NIZHNY-OCC486 Tue Aug 27 17:15:13 2002 :
|
|
Standard_Boolean m_TrimmedPeriodical = Standard_False;
|
|
Handle(Standard_Type) TheType = C3d->DynamicType();
|
|
if( TheType == STANDARD_TYPE(Geom_TrimmedCurve))
|
|
{
|
|
Handle(Geom_Curve) gtC (Handle(Geom_TrimmedCurve)::DownCast (C3d)->BasisCurve());
|
|
m_TrimmedPeriodical = gtC->IsPeriodic();
|
|
}
|
|
// modified by NIZHNY-OCC486 Tue Aug 27 17:15:17 2002 .
|
|
|
|
BRep_Builder B;
|
|
if(!C3d->IsPeriodic()) {
|
|
Standard_Real Udeb = C3d->FirstParameter();
|
|
Standard_Real Ufin = C3d->LastParameter();
|
|
// modified by NIZHNY-OCC486 Tue Aug 27 17:17:14 2002 :
|
|
//if (Udeb > f3d) f3d = Udeb;
|
|
//if (l3d > Ufin) l3d = Ufin;
|
|
if(!m_TrimmedPeriodical)
|
|
{
|
|
if (Udeb > f3d) f3d = Udeb;
|
|
if (l3d > Ufin) l3d = Ufin;
|
|
}
|
|
// modified by NIZHNY-OCC486 Tue Aug 27 17:17:55 2002 .
|
|
}
|
|
if(!L3d.IsIdentity()){
|
|
C3d = Handle(Geom_Curve)::DownCast(C3d->Transformed(L3d.Transformation()));
|
|
}
|
|
GAC.Load(C3d,f3d,l3d);
|
|
|
|
Standard_Boolean IsSameP = 1;
|
|
Standard_Real maxdist = 0.;
|
|
|
|
// Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin
|
|
Standard_Real anEdgeTol = BRep_Tool::Tolerance(AnEdge);
|
|
// Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End
|
|
Standard_Boolean SameRange = BRep_Tool::SameRange(AnEdge);
|
|
Standard_Boolean YaPCu = Standard_False;
|
|
It.Initialize(CList);
|
|
|
|
while (It.More()) {
|
|
Standard_Boolean isANA = Standard_False;
|
|
Standard_Boolean isBSP = Standard_False;
|
|
Handle(BRep_GCurve) GCurve = Handle(BRep_GCurve)::DownCast(It.Value());
|
|
Handle(Geom2d_Curve) PC[2];
|
|
Handle(Geom_Surface) S;
|
|
if (!GCurve.IsNull() && GCurve->IsCurveOnSurface()) {
|
|
YaPCu = Standard_True;
|
|
PC[0] = GCurve->PCurve();
|
|
TopLoc_Location PCLoc = GCurve->Location();
|
|
S = GCurve->Surface();
|
|
if (!PCLoc.IsIdentity() ) {
|
|
S = Handle(Geom_Surface)::DownCast(S->Transformed(PCLoc.Transformation()));
|
|
}
|
|
|
|
GAS.Load(S);
|
|
if (GCurve->IsCurveOnClosedSurface()) {
|
|
PC[1] = GCurve->PCurve2();
|
|
}
|
|
|
|
// Eval tol2d to compute SameRange
|
|
Standard_Real UResol = Max(GAS.UResolution(Tolerance), Precision::PConfusion());
|
|
Standard_Real VResol = Max(GAS.VResolution(Tolerance), Precision::PConfusion());
|
|
Standard_Real Tol2d = Min(UResol, VResol);
|
|
for(Standard_Integer i = 0; i < 2; i++){
|
|
Handle(Geom2d_Curve) curPC = PC[i];
|
|
Standard_Boolean updatepc = 0;
|
|
if(curPC.IsNull()) break;
|
|
if(!SameRange){
|
|
GeomLib::SameRange(Tol2d,
|
|
PC[i],GCurve->First(),GCurve->Last(),
|
|
f3d,l3d,curPC);
|
|
|
|
updatepc = (curPC != PC[i]);
|
|
|
|
}
|
|
Standard_Boolean goodpc = 1;
|
|
GAC2d.Load(curPC,f3d,l3d);
|
|
|
|
Standard_Real error = ComputeTol(HC, HC2d, HS, NCONTROL);
|
|
|
|
if(GAC2d.GetType() == GeomAbs_BSplineCurve &&
|
|
GAC2d.Continuity() == GeomAbs_C0) {
|
|
Handle(Geom2d_BSplineCurve) bs2d = GAC2d.BSpline();
|
|
Handle(Geom2d_BSplineCurve) bs2dsov = bs2d;
|
|
Standard_Real fC0 = bs2d->FirstParameter(), lC0 = bs2d->LastParameter();
|
|
Standard_Boolean repar = Standard_True;
|
|
gp_Pnt2d OriginPoint;
|
|
bs2d->D0(fC0, OriginPoint);
|
|
Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d, Tol2d);
|
|
isBSP = Standard_True;
|
|
|
|
if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000
|
|
gp_Pnt2d NewOriginPoint;
|
|
bs2d->D0(bs2d->FirstParameter(), NewOriginPoint);
|
|
if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() ||
|
|
Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) {
|
|
|
|
TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots());
|
|
bs2d->Knots(Knotbs2d);
|
|
|
|
for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) {
|
|
bs2d->D0(Knotbs2d(Index), NewOriginPoint);
|
|
if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() ||
|
|
Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue;
|
|
|
|
bs2d->SetOrigin(Index);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(bs2d->Continuity() == GeomAbs_C0) {
|
|
Standard_Real tolbail;
|
|
if(EvalTol(curPC,S,GAC,Tolerance,tolbail)){
|
|
bs2d = bs2dsov;
|
|
Standard_Real UResbail = GAS.UResolution(tolbail);
|
|
Standard_Real VResbail = GAS.VResolution(tolbail);
|
|
Standard_Real Tol2dbail = Min(UResbail,VResbail);
|
|
bs2d->D0(bs2d->FirstParameter(), OriginPoint);
|
|
|
|
Standard_Integer nbp = bs2d->NbPoles();
|
|
TColgp_Array1OfPnt2d poles(1,nbp);
|
|
bs2d->Poles(poles);
|
|
gp_Pnt2d p = poles(1), p1;
|
|
Standard_Real d = Precision::Infinite();
|
|
for(Standard_Integer ip = 2; ip <= nbp; ip++) {
|
|
p1 = poles(ip);
|
|
d = Min(d,p.SquareDistance(p1));
|
|
p = p1;
|
|
}
|
|
d = sqrt(d)*.1;
|
|
|
|
Tol2dbail = Max(Min(Tol2dbail,d),Tol2d);
|
|
|
|
Geom2dConvert::C0BSplineToC1BSplineCurve(bs2d,Tol2dbail);
|
|
|
|
if(bs2d->IsPeriodic()) { // -------- IFV, Jan 2000
|
|
gp_Pnt2d NewOriginPoint;
|
|
bs2d->D0(bs2d->FirstParameter(), NewOriginPoint);
|
|
if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() ||
|
|
Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) {
|
|
|
|
TColStd_Array1OfReal Knotbs2d (1, bs2d->NbKnots());
|
|
bs2d->Knots(Knotbs2d);
|
|
|
|
for(Standard_Integer Index = 1; Index <= bs2d->NbKnots(); Index++) {
|
|
bs2d->D0(Knotbs2d(Index), NewOriginPoint);
|
|
if(Abs(OriginPoint.X() - NewOriginPoint.X()) > Precision::PConfusion() ||
|
|
Abs(OriginPoint.Y() - NewOriginPoint.Y()) > Precision::PConfusion() ) continue;
|
|
|
|
bs2d->SetOrigin(Index);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if(bs2d->Continuity() == GeomAbs_C0) {
|
|
goodpc = 1;
|
|
bs2d = bs2dsov;
|
|
repar = Standard_False;
|
|
}
|
|
}
|
|
else goodpc = 0;
|
|
}
|
|
|
|
if(goodpc){
|
|
if(repar) {
|
|
Standard_Integer NbKnots = bs2d->NbKnots();
|
|
TColStd_Array1OfReal Knots(1,NbKnots);
|
|
bs2d->Knots(Knots);
|
|
// BSplCLib::Reparametrize(f3d,l3d,Knots);
|
|
BSplCLib::Reparametrize(fC0,lC0,Knots);
|
|
bs2d->SetKnots(Knots);
|
|
GAC2d.Load(bs2d,f3d,l3d);
|
|
curPC = bs2d;
|
|
Standard_Boolean updatepcsov = updatepc;
|
|
updatepc = Standard_True;
|
|
|
|
Standard_Real error1 = ComputeTol(HC, HC2d, HS, NCONTROL);
|
|
if(error1 > error) {
|
|
bs2d = bs2dsov;
|
|
GAC2d.Load(bs2d,f3d,l3d);
|
|
curPC = bs2d;
|
|
updatepc = updatepcsov;
|
|
isANA = Standard_True;
|
|
}
|
|
else {
|
|
error = error1;
|
|
}
|
|
}
|
|
|
|
//check, if new BSpline "good" or not --------- IFV, Jan of 2000
|
|
GeomAbs_Shape cont = bs2d->Continuity();
|
|
Standard_Boolean IsBad = Standard_False;
|
|
|
|
if(cont > GeomAbs_C0 && error > Max(1.e-3,Tolerance)) {
|
|
Standard_Integer NbKnots = bs2d->NbKnots();
|
|
TColStd_Array1OfReal Knots(1,NbKnots);
|
|
bs2d->Knots(Knots);
|
|
Standard_Real critratio = 10.;
|
|
Standard_Real dtprev = Knots(2) - Knots(1), dtratio = 1.;
|
|
Standard_Real dtmin = dtprev;
|
|
Standard_Real dtcur;
|
|
for(Standard_Integer j = 2; j < NbKnots; j++) {
|
|
dtcur = Knots(j+1) - Knots(j);
|
|
dtmin = Min(dtmin, dtcur);
|
|
|
|
if(IsBad) continue;
|
|
|
|
if(dtcur > dtprev) dtratio = dtcur/dtprev;
|
|
else dtratio = dtprev/dtcur;
|
|
if(dtratio > critratio) {IsBad = Standard_True;}
|
|
dtprev = dtcur;
|
|
|
|
}
|
|
if(IsBad) {
|
|
// To avoid failures in Approx_CurvilinearParameter
|
|
bs2d->Resolution(Max(1.e-3,Tolerance), dtcur);
|
|
if(dtmin < dtcur) IsBad = Standard_False;
|
|
}
|
|
}
|
|
|
|
|
|
if(IsBad ) { //if BSpline "bad", try to reparametrize it
|
|
// by its curve length
|
|
|
|
// GeomAbs_Shape cont = bs2d->Continuity();
|
|
if(cont > GeomAbs_C2) cont = GeomAbs_C2;
|
|
Standard_Integer maxdeg = bs2d->Degree();
|
|
if(maxdeg == 1) maxdeg = 14;
|
|
Approx_CurvilinearParameter AppCurPar(HC2d, HS, Max(1.e-3,Tolerance),
|
|
cont, maxdeg, 10);
|
|
if(AppCurPar.IsDone() || AppCurPar.HasResult()) {
|
|
bs2d = AppCurPar.Curve2d1();
|
|
GAC2d.Load(bs2d,f3d,l3d);
|
|
curPC = bs2d;
|
|
|
|
if(Abs(bs2d->FirstParameter() - fC0) > Tol2d ||
|
|
Abs(bs2d->LastParameter() - lC0) > Tol2d ) {
|
|
Standard_Integer NbKnots = bs2d->NbKnots();
|
|
TColStd_Array1OfReal Knots(1,NbKnots);
|
|
bs2d->Knots(Knots);
|
|
// BSplCLib::Reparametrize(f3d,l3d,Knots);
|
|
BSplCLib::Reparametrize(fC0,lC0,Knots);
|
|
bs2d->SetKnots(Knots);
|
|
GAC2d.Load(bs2d,f3d,l3d);
|
|
curPC = bs2d;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
|
|
|
|
if(goodpc){
|
|
// Approx_SameParameter SameP(HC,HC2d,HS,Tolerance);
|
|
Standard_Real aTol = (isANA && isBSP) ? 1.e-7 : Tolerance;
|
|
const Handle(Adaptor3d_HCurve)& aHCurv = HC; // to avoid ambiguity
|
|
const Handle(Adaptor2d_HCurve2d)& aHCurv2d = HC2d; // to avoid ambiguity
|
|
Approx_SameParameter SameP(aHCurv,aHCurv2d,HS,aTol);
|
|
|
|
if (SameP.IsSameParameter()) {
|
|
maxdist = Max(maxdist,SameP.TolReached());
|
|
if(updatepc){
|
|
if (i == 0) GCurve->PCurve(curPC);
|
|
else GCurve->PCurve2(curPC);
|
|
}
|
|
}
|
|
else if (SameP.IsDone()) {
|
|
Standard_Real tolreached = SameP.TolReached();
|
|
if(tolreached <= error) {
|
|
curPC = SameP.Curve2d();
|
|
updatepc = Standard_True;
|
|
maxdist = Max(maxdist,tolreached);
|
|
}
|
|
else {
|
|
maxdist = Max(maxdist, error);
|
|
}
|
|
if(updatepc){
|
|
if (i == 0) GCurve->PCurve(curPC);
|
|
else GCurve->PCurve2(curPC);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//Approx_SameParameter has failed.
|
|
//Consequently, the situation might be,
|
|
//when 3D and 2D-curve do not have same-range.
|
|
GeomLib::SameRange( Tol2d, PC[i],
|
|
GCurve->First(), GCurve->Last(),
|
|
f3d,l3d,curPC);
|
|
|
|
if (i == 0) GCurve->PCurve(curPC);
|
|
else GCurve->PCurve2(curPC);
|
|
|
|
IsSameP = 0;
|
|
}
|
|
|
|
}
|
|
else IsSameP = 0;
|
|
|
|
// Modified by skv - Thu Jun 3 12:39:19 2004 OCC5898 Begin
|
|
if (!IsSameP) {
|
|
if (anEdgeTol >= error) {
|
|
maxdist = Max(maxdist, anEdgeTol);
|
|
IsSameP = Standard_True;
|
|
}
|
|
}
|
|
// Modified by skv - Thu Jun 3 12:39:20 2004 OCC5898 End
|
|
}
|
|
}
|
|
It.Next() ;
|
|
}
|
|
B.Range(AnEdge,f3d,l3d);
|
|
B.SameRange(AnEdge,Standard_True);
|
|
if ( IsSameP) {
|
|
// Reduce eventually the tolerance of the edge, as
|
|
// all its representations are processed (except for some associated
|
|
// to planes and not stored in the edge !)
|
|
// The same cannot be done with vertices that cannot be enlarged
|
|
// or left as is.
|
|
if (YaPCu) {
|
|
// Avoid setting too small tolerances.
|
|
maxdist = Max(maxdist,Precision::Confusion());
|
|
TopoDS_Vertex V1,V2;
|
|
TopExp::Vertices(AnEdge,V1,V2);
|
|
if (!V1.IsNull())
|
|
B.UpdateVertex(V1,maxdist);
|
|
if (!V2.IsNull())
|
|
B.UpdateVertex(V2,maxdist);
|
|
TE->Modified(Standard_True);
|
|
TE->Tolerance(maxdist);
|
|
}
|
|
B.SameParameter(AnEdge,Standard_True);
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UpdateTolerances
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepLib::UpdateTolerances(const TopoDS_Shape& aShape,
|
|
const Standard_Boolean verifyTolerance)
|
|
{
|
|
|
|
// Harmonize tolerances
|
|
// with rule Tolerance(VERTEX)>=Tolerance(EDGE)>=Tolerance(FACE)
|
|
BRep_Builder B;
|
|
Standard_Real tol=0;
|
|
if (verifyTolerance) {
|
|
// Set tolerance to its minimum value
|
|
Handle(Geom_Surface) S;
|
|
TopLoc_Location l;
|
|
TopExp_Explorer ex;
|
|
Bnd_Box aB;
|
|
Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dMax;
|
|
for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next()) {
|
|
const TopoDS_Face& curf=TopoDS::Face(ex.Current());
|
|
S = BRep_Tool::Surface(curf, l);
|
|
if (!S.IsNull()) {
|
|
aB.SetVoid();
|
|
BRepBndLib::Add(curf,aB);
|
|
if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
|
|
S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface();
|
|
}
|
|
GeomAdaptor_Surface AS(S);
|
|
switch (AS.GetType()) {
|
|
case GeomAbs_Plane:
|
|
case GeomAbs_Cylinder:
|
|
case GeomAbs_Cone:
|
|
{
|
|
tol=Precision::Confusion();
|
|
break;
|
|
}
|
|
case GeomAbs_Sphere:
|
|
case GeomAbs_Torus:
|
|
{
|
|
tol=Precision::Confusion()*2;
|
|
break;
|
|
}
|
|
default:
|
|
tol=Precision::Confusion()*4;
|
|
}
|
|
if (!aB.IsWhole()) {
|
|
aB.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
|
|
dMax=1.;
|
|
if (!aB.IsOpenXmin() && !aB.IsOpenXmax()) dMax=aXmax-aXmin;
|
|
if (!aB.IsOpenYmin() && !aB.IsOpenYmax()) aYmin=aYmax-aYmin;
|
|
if (!aB.IsOpenZmin() && !aB.IsOpenZmax()) aZmin=aZmax-aZmin;
|
|
if (aYmin>dMax) dMax=aYmin;
|
|
if (aZmin>dMax) dMax=aZmin;
|
|
tol=tol*dMax;
|
|
// Do not process tolerances > 1.
|
|
if (tol>1.) tol=0.99;
|
|
}
|
|
const Handle(BRep_TFace)& Tf = *((Handle(BRep_TFace)*)&curf.TShape());
|
|
Tf->Tolerance(tol);
|
|
}
|
|
}
|
|
}
|
|
|
|
//Process edges
|
|
TopTools_IndexedDataMapOfShapeListOfShape parents;
|
|
TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, parents);
|
|
TopTools_ListIteratorOfListOfShape lConx;
|
|
Standard_Integer iCur;
|
|
for (iCur=1; iCur<=parents.Extent(); iCur++) {
|
|
tol=0;
|
|
for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) {
|
|
tol=Max(tol, BRep_Tool::Tolerance(TopoDS::Face(lConx.Value())));
|
|
}
|
|
// Update can only increase tolerance, so if the edge has a greater
|
|
// tolerance than its faces it is not concerned
|
|
B.UpdateEdge(TopoDS::Edge(parents.FindKey(iCur)), tol);
|
|
}
|
|
|
|
//Vertices are processed
|
|
parents.Clear();
|
|
TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, parents);
|
|
TColStd_MapOfTransient Initialized;
|
|
TopTools_MapOfShape Done;
|
|
Standard_Integer nbV = parents.Extent();
|
|
for (iCur=1; iCur<=nbV; iCur++) {
|
|
tol=0;
|
|
Done.Clear();
|
|
const TopoDS_Vertex& V = TopoDS::Vertex(parents.FindKey(iCur));
|
|
Bnd_Box box;
|
|
box.Add(BRep_Tool::Pnt(V));
|
|
gp_Pnt p3d;
|
|
for (lConx.Initialize(parents(iCur)); lConx.More(); lConx.Next()) {
|
|
const TopoDS_Edge& E = TopoDS::Edge(lConx.Value());
|
|
if(!Done.Add(E)) continue;
|
|
tol=Max(tol, BRep_Tool::Tolerance(E));
|
|
if(!BRep_Tool::SameRange(E)) continue;
|
|
Standard_Real par = BRep_Tool::Parameter(V,E);
|
|
Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
|
|
BRep_ListIteratorOfListOfCurveRepresentation itcr(TE->Curves());
|
|
const TopLoc_Location& Eloc = E.Location();
|
|
while (itcr.More()) {
|
|
// For each CurveRepresentation, check the provided parameter
|
|
const Handle(BRep_CurveRepresentation)& cr = itcr.Value();
|
|
const TopLoc_Location& loc = cr->Location();
|
|
TopLoc_Location L = (Eloc * loc);
|
|
if (cr->IsCurve3D()) {
|
|
const Handle(Geom_Curve)& C = cr->Curve3D();
|
|
if (!C.IsNull()) { // edge non degenerated
|
|
p3d = C->Value(par);
|
|
p3d.Transform(L.Transformation());
|
|
box.Add(p3d);
|
|
}
|
|
}
|
|
else if (cr->IsCurveOnSurface()) {
|
|
const Handle(Geom_Surface)& Su = cr->Surface();
|
|
const Handle(Geom2d_Curve)& PC = cr->PCurve();
|
|
Handle(Geom2d_Curve) PC2;
|
|
if (cr->IsCurveOnClosedSurface()) {
|
|
PC2 = cr->PCurve2();
|
|
}
|
|
gp_Pnt2d p2d = PC->Value(par);
|
|
p3d = Su->Value(p2d.X(),p2d.Y());
|
|
p3d.Transform(L.Transformation());
|
|
box.Add(p3d);
|
|
if (!PC2.IsNull()) {
|
|
p2d = PC2->Value(par);
|
|
p3d = Su->Value(p2d.X(),p2d.Y());
|
|
p3d.Transform(L.Transformation());
|
|
box.Add(p3d);
|
|
}
|
|
}
|
|
itcr.Next();
|
|
}
|
|
}
|
|
Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
|
|
box.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
|
|
aXmax -= aXmin; aYmax -= aYmin; aZmax -= aZmin;
|
|
tol = Max(tol,sqrt(aXmax*aXmax+aYmax*aYmax+aZmax*aZmax));
|
|
tol += 2.*Epsilon(tol);
|
|
if (verifyTolerance) {
|
|
// ASet minimum value of the tolerance
|
|
// Attention to sharing of the vertex by other shapes
|
|
const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape());
|
|
if (Initialized.Add(TV))
|
|
TV->Tolerance(tol);
|
|
else
|
|
B.UpdateVertex(V, tol);
|
|
}
|
|
else {
|
|
// Update can only increase tolerance, so if the edge has a greater
|
|
// tolerance than its faces it is not concerned
|
|
B.UpdateVertex(V, tol);
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : UpdateInnerTolerances
|
|
//purpose :
|
|
//=======================================================================
|
|
void BRepLib::UpdateInnerTolerances(const TopoDS_Shape& aShape)
|
|
{
|
|
TopTools_IndexedDataMapOfShapeListOfShape EFmap;
|
|
TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, EFmap);
|
|
BRep_Builder BB;
|
|
for (Standard_Integer i = 1; i <= EFmap.Extent(); i++)
|
|
{
|
|
TopoDS_Edge anEdge = TopoDS::Edge(EFmap.FindKey(i));
|
|
TopoDS_Vertex V1, V2;
|
|
TopExp::Vertices(anEdge, V1, V2);
|
|
Standard_Real fpar, lpar;
|
|
BRep_Tool::Range(anEdge, fpar, lpar);
|
|
Standard_Real TolEdge = BRep_Tool::Tolerance(anEdge);
|
|
gp_Pnt Pnt1, Pnt2;
|
|
Handle(BRepAdaptor_HCurve) anHCurve = new BRepAdaptor_HCurve();
|
|
anHCurve->ChangeCurve().Initialize(anEdge);
|
|
if (!V1.IsNull())
|
|
Pnt1 = BRep_Tool::Pnt(V1);
|
|
if (!V2.IsNull())
|
|
Pnt2 = BRep_Tool::Pnt(V2);
|
|
|
|
if (!BRep_Tool::Degenerated(anEdge) &&
|
|
EFmap(i).Extent() > 0)
|
|
{
|
|
NCollection_Sequence<Handle(Adaptor3d_HCurve)> theRep;
|
|
theRep.Append(anHCurve);
|
|
TopTools_ListIteratorOfListOfShape itl(EFmap(i));
|
|
for (; itl.More(); itl.Next())
|
|
{
|
|
const TopoDS_Face& aFace = TopoDS::Face(itl.Value());
|
|
Handle(BRepAdaptor_HCurve) anHCurvOnSurf = new BRepAdaptor_HCurve();
|
|
anHCurvOnSurf->ChangeCurve().Initialize(anEdge, aFace);
|
|
theRep.Append(anHCurvOnSurf);
|
|
}
|
|
|
|
const Standard_Integer NbSamples = (BRep_Tool::SameParameter(anEdge))? 23 : 2;
|
|
Standard_Real delta = (lpar - fpar)/(NbSamples-1);
|
|
Standard_Real MaxDist = 0.;
|
|
for (Standard_Integer j = 2; j <= theRep.Length(); j++)
|
|
{
|
|
for (Standard_Integer k = 0; k <= NbSamples; k++)
|
|
{
|
|
Standard_Real ParamOnCenter = (k == NbSamples)? lpar :
|
|
fpar + k*delta;
|
|
gp_Pnt Center = theRep(1)->Value(ParamOnCenter);
|
|
Standard_Real ParamOnCurve = (BRep_Tool::SameParameter(anEdge))? ParamOnCenter
|
|
: ((k == 0)? theRep(j)->FirstParameter() : theRep(j)->LastParameter());
|
|
gp_Pnt aPoint = theRep(j)->Value(ParamOnCurve);
|
|
Standard_Real aDist = Center.Distance(aPoint);
|
|
//aDist *= 1.1;
|
|
aDist += 2.*Epsilon(aDist);
|
|
if (aDist > MaxDist)
|
|
MaxDist = aDist;
|
|
|
|
//Update tolerances of vertices
|
|
if (k == 0 && !V1.IsNull())
|
|
{
|
|
Standard_Real aDist1 = Pnt1.Distance(aPoint);
|
|
aDist1 += 2.*Epsilon(aDist1);
|
|
BB.UpdateVertex(V1, aDist1);
|
|
}
|
|
if (k == NbSamples && !V2.IsNull())
|
|
{
|
|
Standard_Real aDist2 = Pnt2.Distance(aPoint);
|
|
aDist2 += 2.*Epsilon(aDist2);
|
|
BB.UpdateVertex(V2, aDist2);
|
|
}
|
|
}
|
|
}
|
|
BB.UpdateEdge(anEdge, MaxDist);
|
|
}
|
|
TolEdge = BRep_Tool::Tolerance(anEdge);
|
|
if (!V1.IsNull())
|
|
{
|
|
gp_Pnt End1 = anHCurve->Value(fpar);
|
|
Standard_Real dist1 = Pnt1.Distance(End1);
|
|
dist1 += 2.*Epsilon(dist1);
|
|
BB.UpdateVertex(V1, Max(dist1, TolEdge));
|
|
}
|
|
if (!V2.IsNull())
|
|
{
|
|
gp_Pnt End2 = anHCurve->Value(lpar);
|
|
Standard_Real dist2 = Pnt2.Distance(End2);
|
|
dist2 += 2.*Epsilon(dist2);
|
|
BB.UpdateVertex(V2, Max(dist2, TolEdge));
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : OrientClosedSolid
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BRepLib::OrientClosedSolid(TopoDS_Solid& solid)
|
|
{
|
|
// Set material inside the solid
|
|
BRepClass3d_SolidClassifier where(solid);
|
|
where.PerformInfinitePoint(Precision::Confusion());
|
|
if (where.State()==TopAbs_IN) {
|
|
solid.Reverse();
|
|
}
|
|
else if (where.State()==TopAbs_ON || where.State()==TopAbs_UNKNOWN)
|
|
return Standard_False;
|
|
|
|
return Standard_True;
|
|
}
|
|
//=======================================================================
|
|
//function : tgtfaces
|
|
//purpose : check the angle at the border between two squares.
|
|
// Two shares should have a shared front edge.
|
|
//=======================================================================
|
|
static GeomAbs_Shape tgtfaces(const TopoDS_Edge& Ed,
|
|
const TopoDS_Face& F1,
|
|
const TopoDS_Face& F2,
|
|
const Standard_Real theAngleTol,
|
|
const Standard_Boolean couture)
|
|
{
|
|
// Check if pcurves exist on both faces of edge
|
|
Standard_Real aFirst,aLast;
|
|
Handle(Geom2d_Curve) aCurve;
|
|
aCurve = BRep_Tool::CurveOnSurface(Ed,F1,aFirst,aLast);
|
|
if(aCurve.IsNull())
|
|
return GeomAbs_C0;
|
|
aCurve = BRep_Tool::CurveOnSurface(Ed,F2,aFirst,aLast);
|
|
if(aCurve.IsNull())
|
|
return GeomAbs_C0;
|
|
|
|
Standard_Real u;
|
|
TopoDS_Edge E = Ed;
|
|
BRepAdaptor_Surface aBAS1(F1,Standard_False);
|
|
BRepAdaptor_Surface aBAS2(F2,Standard_False);
|
|
|
|
// seam edge on elementary surface is always CN
|
|
Standard_Boolean isElementary =
|
|
(aBAS1.Surface().Surface()->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) &&
|
|
aBAS1.Surface().Surface()->IsKind(STANDARD_TYPE(Geom_ElementarySurface)));
|
|
if (couture && isElementary)
|
|
{
|
|
return GeomAbs_CN;
|
|
}
|
|
|
|
Handle(BRepAdaptor_HSurface) HS1 = new BRepAdaptor_HSurface (aBAS1);
|
|
Handle(BRepAdaptor_HSurface) HS2;
|
|
if(couture) HS2 = HS1;
|
|
else HS2 = new BRepAdaptor_HSurface(aBAS2);
|
|
//case when edge lies on the one face
|
|
|
|
E.Orientation(TopAbs_FORWARD);
|
|
Handle(BRepAdaptor_HCurve2d) HC2d1 = new BRepAdaptor_HCurve2d();
|
|
HC2d1->ChangeCurve2d().Initialize(E,F1);
|
|
if(couture) E.Orientation(TopAbs_REVERSED);
|
|
Handle(BRepAdaptor_HCurve2d) HC2d2 = new BRepAdaptor_HCurve2d();
|
|
HC2d2->ChangeCurve2d().Initialize(E,F2);
|
|
Adaptor3d_CurveOnSurface C1(HC2d1,HS1);
|
|
Adaptor3d_CurveOnSurface C2(HC2d2,HS2);
|
|
|
|
Standard_Boolean rev1 = (F1.Orientation() == TopAbs_REVERSED);
|
|
Standard_Boolean rev2 = (F2.Orientation() == TopAbs_REVERSED);
|
|
Standard_Real f,l,eps;
|
|
BRep_Tool::Range(E,f,l);
|
|
Extrema_LocateExtPC ext;
|
|
Standard_Boolean IsInitialized = Standard_False;
|
|
|
|
eps = (l - f)/100.;
|
|
f += eps; // to avoid calculations on
|
|
l -= eps; // points of pointed squares.
|
|
gp_Pnt2d p;
|
|
gp_Pnt pp1,pp2;//,PP;
|
|
gp_Vec du1, dv1, d2u1, d2v1, d2uv1;
|
|
gp_Vec du2, dv2, d2u2, d2v2, d2uv2;
|
|
gp_Vec d1,d2;
|
|
Standard_Real uu, vv, norm;
|
|
|
|
Standard_Integer i;
|
|
GeomAbs_Shape aCont = (isElementary ? GeomAbs_CN : GeomAbs_C2);
|
|
for(i = 0; i<= 20 && aCont > GeomAbs_C0; i++)
|
|
{
|
|
// First suppose that this is sameParameter
|
|
u = f + (l-f)*i/20;
|
|
|
|
// take derivatives of surfaces at the same u, and compute normals
|
|
HC2d1->D0(u,p);
|
|
HS1->D2 (p.X(), p.Y(), pp1, du1, dv1, d2u1, d2v1, d2uv1);
|
|
d1 = (du1.Crossed(dv1));
|
|
norm = d1.Magnitude();
|
|
if (norm > 1.e-12) d1 /= norm;
|
|
else continue; // skip degenerated point
|
|
if(rev1) d1.Reverse();
|
|
|
|
HC2d2->D0(u,p);
|
|
HS2->D2 (p.X(), p.Y(), pp2, du2, dv2, d2u2, d2v2, d2uv2);
|
|
d2 = (du2.Crossed(dv2));
|
|
norm = d2.Magnitude();
|
|
if (norm > 1.e-12) d2 /= norm;
|
|
else continue; // skip degenerated point
|
|
if(rev2) d2.Reverse();
|
|
|
|
// check
|
|
Standard_Real ang = d1.Angle(d2);
|
|
|
|
// check special case of precise equality of derivatives,
|
|
// occurring when edge connects two faces built on equally
|
|
// defined surfaces (e.g. seam-like edges on periodic surfaces,
|
|
// or planar faces on the same plane)
|
|
if (aCont >= GeomAbs_C2 && ang < Precision::Angular() &&
|
|
d2u1 .IsEqual (d2u2, Precision::PConfusion(), Precision::Angular()) &&
|
|
d2v1 .IsEqual (d2v2, Precision::PConfusion(), Precision::Angular()) &&
|
|
d2uv1.IsEqual (d2uv2, Precision::PConfusion(), Precision::Angular()))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
aCont = GeomAbs_G1;
|
|
|
|
// Refine by projection
|
|
if (ang > theAngleTol)
|
|
{
|
|
if (! IsInitialized ) {
|
|
ext.Initialize(C2,f,l,Precision::PConfusion());
|
|
IsInitialized = Standard_True;
|
|
}
|
|
ext.Perform(pp1,u);
|
|
if(ext.IsDone() && ext.IsMin()){
|
|
Extrema_POnCurv poc = ext.Point();
|
|
Standard_Real v = poc.Parameter();
|
|
|
|
HC2d2->D0(v,p);
|
|
p.Coord(uu,vv);
|
|
HS2->D1(p.X(), p.Y(), pp2, du2, dv2);
|
|
d2 = (du2.Crossed(dv2));
|
|
norm = d2.Magnitude();
|
|
if (norm> 1.e-12) d2 /= norm;
|
|
else continue; // degenerated point
|
|
if(rev2) d2.Reverse();
|
|
ang = d1.Angle(d2);
|
|
}
|
|
if (ang > theAngleTol)
|
|
return GeomAbs_C0;
|
|
}
|
|
}
|
|
|
|
return aCont;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
// function : EncodeRegularity
|
|
// purpose : code the regularities on all edges of the shape, boundary of
|
|
// two faces that do not have it.
|
|
//=======================================================================
|
|
|
|
void BRepLib::EncodeRegularity(const TopoDS_Shape& S,
|
|
const Standard_Real TolAng)
|
|
{
|
|
BRep_Builder B;
|
|
TopTools_IndexedDataMapOfShapeListOfShape M;
|
|
TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,M);
|
|
TopTools_ListIteratorOfListOfShape It;
|
|
TopExp_Explorer Ex;
|
|
TopoDS_Face F1,F2;
|
|
Standard_Boolean found, couture;
|
|
for(Standard_Integer i = 1; i <= M.Extent(); i++){
|
|
TopoDS_Edge E = TopoDS::Edge(M.FindKey(i));
|
|
found = Standard_False; couture = Standard_False;
|
|
F1.Nullify();
|
|
for(It.Initialize(M.FindFromIndex(i));It.More() && !found;It.Next()){
|
|
if(F1.IsNull()) { F1 = TopoDS::Face(It.Value()); }
|
|
else {
|
|
if(!F1.IsSame(TopoDS::Face(It.Value()))){
|
|
found = Standard_True;
|
|
F2 = TopoDS::Face(It.Value());
|
|
}
|
|
}
|
|
}
|
|
if (!found && !F1.IsNull()){//is it a sewing edge?
|
|
TopAbs_Orientation orE = E.Orientation();
|
|
TopoDS_Edge curE;
|
|
for(Ex.Init(F1,TopAbs_EDGE);Ex.More() && !found;Ex.Next()){
|
|
curE= TopoDS::Edge(Ex.Current());
|
|
if(E.IsSame(curE) && orE != curE.Orientation()) {
|
|
found = Standard_True;
|
|
couture = Standard_True;
|
|
F2 = F1;
|
|
}
|
|
}
|
|
}
|
|
if(found){
|
|
if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){
|
|
|
|
try {
|
|
GeomAbs_Shape aCont = tgtfaces(E, F1, F2, TolAng, couture);
|
|
B.Continuity(E,F1,F2,aCont);
|
|
}
|
|
catch(Standard_Failure)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : EncodeRegularity
|
|
// purpose : code the regularity between 2 faces on an edge
|
|
//=======================================================================
|
|
|
|
void BRepLib::EncodeRegularity(TopoDS_Edge& E,
|
|
const TopoDS_Face& F1,
|
|
const TopoDS_Face& F2,
|
|
const Standard_Real TolAng)
|
|
{
|
|
BRep_Builder B;
|
|
if(BRep_Tool::Continuity(E,F1,F2)<=GeomAbs_C0){
|
|
try {
|
|
GeomAbs_Shape aCont = tgtfaces(E, F1, F2, TolAng, F1.IsEqual(F2));
|
|
B.Continuity(E,F1,F2,aCont);
|
|
|
|
}
|
|
catch(Standard_Failure)
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
// function : EnsureNormalConsistency
|
|
// purpose : Corrects the normals in Poly_Triangulation of faces.
|
|
// Returns TRUE if any correction is done.
|
|
//=======================================================================
|
|
Standard_Boolean BRepLib::
|
|
EnsureNormalConsistency(const TopoDS_Shape& theShape,
|
|
const Standard_Real theAngTol,
|
|
const Standard_Boolean theForceComputeNormals)
|
|
{
|
|
const Standard_Real aThresDot = cos(theAngTol);
|
|
|
|
Standard_Boolean aRetVal = Standard_False, isNormalsFound = Standard_False;
|
|
|
|
// compute normals if they are absent
|
|
TopExp_Explorer anExpFace(theShape,TopAbs_FACE);
|
|
for (; anExpFace.More(); anExpFace.Next())
|
|
{
|
|
const TopoDS_Face& aFace = TopoDS::Face(anExpFace.Current());
|
|
const Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
|
|
if(aSurf.IsNull())
|
|
continue;
|
|
TopLoc_Location aLoc;
|
|
const Handle(Poly_Triangulation)& aPT = BRep_Tool::Triangulation(aFace, aLoc);
|
|
if(aPT.IsNull())
|
|
continue;
|
|
if (!theForceComputeNormals && aPT->HasNormals())
|
|
{
|
|
isNormalsFound = Standard_True;
|
|
continue;
|
|
}
|
|
|
|
GeomLProp_SLProps aSLP(aSurf, 2, Precision::Confusion());
|
|
const Standard_Integer anArrDim = 3*aPT->NbNodes();
|
|
Handle(TShort_HArray1OfShortReal) aNormArr = new TShort_HArray1OfShortReal(1, anArrDim);
|
|
Standard_Integer anNormInd = aNormArr->Lower();
|
|
for(Standard_Integer i = aPT->UVNodes().Lower(); i <= aPT->UVNodes().Upper(); i++)
|
|
{
|
|
const gp_Pnt2d &aP2d = aPT->UVNodes().Value(i);
|
|
aSLP.SetParameters(aP2d.X(), aP2d.Y());
|
|
|
|
gp_XYZ aNorm(0.,0.,0.);
|
|
if(!aSLP.IsNormalDefined())
|
|
{
|
|
#ifdef OCCT_DEBUG
|
|
cout << "BRepLib::EnsureNormalConsistency(): Cannot find normal!" << endl;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
aNorm = aSLP.Normal().XYZ();
|
|
if (aFace.Orientation() == TopAbs_REVERSED)
|
|
aNorm.Reverse();
|
|
}
|
|
aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.X());
|
|
aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.Y());
|
|
aNormArr->ChangeValue(anNormInd++) = static_cast<Standard_ShortReal>(aNorm.Z());
|
|
}
|
|
|
|
aRetVal = Standard_True;
|
|
isNormalsFound = Standard_True;
|
|
aPT->SetNormals(aNormArr);
|
|
}
|
|
|
|
if(!isNormalsFound)
|
|
{
|
|
return aRetVal;
|
|
}
|
|
|
|
// loop by edges
|
|
TopTools_IndexedDataMapOfShapeListOfShape aMapEF;
|
|
TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,aMapEF);
|
|
for(Standard_Integer anInd = 1; anInd <= aMapEF.Extent(); anInd++)
|
|
{
|
|
const TopoDS_Edge& anEdg = TopoDS::Edge(aMapEF.FindKey(anInd));
|
|
const TopTools_ListOfShape& anEdgList = aMapEF.FindFromIndex(anInd);
|
|
if (anEdgList.Extent() != 2)
|
|
continue;
|
|
TopTools_ListIteratorOfListOfShape anItF(anEdgList);
|
|
const TopoDS_Face aFace1 = TopoDS::Face(anItF.Value());
|
|
anItF.Next();
|
|
const TopoDS_Face aFace2 = TopoDS::Face(anItF.Value());
|
|
TopLoc_Location aLoc1, aLoc2;
|
|
const Handle(Poly_Triangulation)& aPT1 = BRep_Tool::Triangulation(aFace1, aLoc1);
|
|
const Handle(Poly_Triangulation)& aPT2 = BRep_Tool::Triangulation(aFace2, aLoc2);
|
|
|
|
if(aPT1.IsNull() || aPT2.IsNull())
|
|
continue;
|
|
|
|
if(!aPT1->HasNormals() || !aPT2->HasNormals())
|
|
continue;
|
|
|
|
const Handle(Poly_PolygonOnTriangulation)& aPTEF1 =
|
|
BRep_Tool::PolygonOnTriangulation(anEdg, aPT1, aLoc1);
|
|
const Handle(Poly_PolygonOnTriangulation)& aPTEF2 =
|
|
BRep_Tool::PolygonOnTriangulation(anEdg, aPT2, aLoc2);
|
|
|
|
TShort_Array1OfShortReal& aNormArr1 = aPT1->ChangeNormals();
|
|
TShort_Array1OfShortReal& aNormArr2 = aPT2->ChangeNormals();
|
|
|
|
for(Standard_Integer anEdgNode = aPTEF1->Nodes().Lower();
|
|
anEdgNode <= aPTEF1->Nodes().Upper(); anEdgNode++)
|
|
{
|
|
//Number of node
|
|
const Standard_Integer aFNodF1 = aPTEF1->Nodes().Value(anEdgNode);
|
|
const Standard_Integer aFNodF2 = aPTEF2->Nodes().Value(anEdgNode);
|
|
|
|
const Standard_Integer aFNorm1FirstIndex = aNormArr1.Lower() + 3*
|
|
(aFNodF1 - aPT1->Nodes().Lower());
|
|
const Standard_Integer aFNorm2FirstIndex = aNormArr2.Lower() + 3*
|
|
(aFNodF2 - aPT2->Nodes().Lower());
|
|
|
|
gp_XYZ aNorm1(aNormArr1.Value(aFNorm1FirstIndex),
|
|
aNormArr1.Value(aFNorm1FirstIndex+1),
|
|
aNormArr1.Value(aFNorm1FirstIndex+2));
|
|
gp_XYZ aNorm2(aNormArr2.Value(aFNorm2FirstIndex),
|
|
aNormArr2.Value(aFNorm2FirstIndex+1),
|
|
aNormArr2.Value(aFNorm2FirstIndex+2));
|
|
const Standard_Real aDot = aNorm1 * aNorm2;
|
|
|
|
if(aDot > aThresDot)
|
|
{
|
|
gp_XYZ aNewNorm = (aNorm1 + aNorm2).Normalized();
|
|
aNormArr1.ChangeValue(aFNorm1FirstIndex) =
|
|
aNormArr2.ChangeValue(aFNorm2FirstIndex) =
|
|
static_cast<Standard_ShortReal>(aNewNorm.X());
|
|
aNormArr1.ChangeValue(aFNorm1FirstIndex+1) =
|
|
aNormArr2.ChangeValue(aFNorm2FirstIndex+1) =
|
|
static_cast<Standard_ShortReal>(aNewNorm.Y());
|
|
aNormArr1.ChangeValue(aFNorm1FirstIndex+2) =
|
|
aNormArr2.ChangeValue(aFNorm2FirstIndex+2) =
|
|
static_cast<Standard_ShortReal>(aNewNorm.Z());
|
|
aRetVal = Standard_True;
|
|
}
|
|
}
|
|
}
|
|
|
|
return aRetVal;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : SortFaces
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib::SortFaces (const TopoDS_Shape& Sh,
|
|
TopTools_ListOfShape& LF)
|
|
{
|
|
LF.Clear();
|
|
TopTools_ListOfShape LTri,LPlan,LCyl,LCon,LSphere,LTor,LOther;
|
|
TopExp_Explorer exp(Sh,TopAbs_FACE);
|
|
TopLoc_Location l;
|
|
Handle(Geom_Surface) S;
|
|
|
|
for (; exp.More(); exp.Next()) {
|
|
const TopoDS_Face& F = TopoDS::Face(exp.Current());
|
|
S = BRep_Tool::Surface(F, l);
|
|
if (!S.IsNull()) {
|
|
if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
|
|
S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface();
|
|
}
|
|
GeomAdaptor_Surface AS(S);
|
|
switch (AS.GetType()) {
|
|
case GeomAbs_Plane:
|
|
{
|
|
LPlan.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Cylinder:
|
|
{
|
|
LCyl.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Cone:
|
|
{
|
|
LCon.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Sphere:
|
|
{
|
|
LSphere.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Torus:
|
|
{
|
|
LTor.Append(F);
|
|
break;
|
|
}
|
|
default:
|
|
LOther.Append(F);
|
|
}
|
|
}
|
|
else LTri.Append(F);
|
|
}
|
|
LF.Append(LPlan); LF.Append(LCyl ); LF.Append(LCon); LF.Append(LSphere);
|
|
LF.Append(LTor ); LF.Append(LOther); LF.Append(LTri);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : ReverseSortFaces
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib::ReverseSortFaces (const TopoDS_Shape& Sh,
|
|
TopTools_ListOfShape& LF)
|
|
{
|
|
LF.Clear();
|
|
// Use the allocator of the result LF for intermediate results
|
|
TopTools_ListOfShape LTri(LF.Allocator()), LPlan(LF.Allocator()),
|
|
LCyl(LF.Allocator()), LCon(LF.Allocator()), LSphere(LF.Allocator()),
|
|
LTor(LF.Allocator()), LOther(LF.Allocator());
|
|
TopExp_Explorer exp(Sh,TopAbs_FACE);
|
|
TopLoc_Location l;
|
|
|
|
for (; exp.More(); exp.Next()) {
|
|
const TopoDS_Face& F = TopoDS::Face(exp.Current());
|
|
const Handle(Geom_Surface)& S = BRep_Tool::Surface(F, l);
|
|
if (!S.IsNull()) {
|
|
GeomAdaptor_Surface AS(S);
|
|
switch (AS.GetType()) {
|
|
case GeomAbs_Plane:
|
|
{
|
|
LPlan.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Cylinder:
|
|
{
|
|
LCyl.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Cone:
|
|
{
|
|
LCon.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Sphere:
|
|
{
|
|
LSphere.Append(F);
|
|
break;
|
|
}
|
|
case GeomAbs_Torus:
|
|
{
|
|
LTor.Append(F);
|
|
break;
|
|
}
|
|
default:
|
|
LOther.Append(F);
|
|
}
|
|
}
|
|
else LTri.Append(F);
|
|
}
|
|
LF.Append(LTri); LF.Append(LOther); LF.Append(LTor ); LF.Append(LSphere);
|
|
LF.Append(LCon); LF.Append(LCyl ); LF.Append(LPlan);
|
|
|
|
}
|
|
|