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3906794761
The main reason of the bug is incorrect check, if the edge is seam-edge or not. In the fix it is determined with new methods in GeomLib class. The bug is fixed. Creation of test case for this fix Small correction in the code
192 lines
8.0 KiB
C++
192 lines
8.0 KiB
C++
// Created by: Peter KURNEV
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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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#ifndef _BOPTools_AlgoTools2D_HeaderFile
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#define _BOPTools_AlgoTools2D_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <BOPCol_ListOfShape.hxx>
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#include <Standard_Integer.hxx>
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class TopoDS_Edge;
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class TopoDS_Face;
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class gp_Vec;
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class Geom2d_Curve;
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class Geom_Curve;
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class BRepAdaptor_Surface;
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class ProjLib_ProjectedCurve;
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class IntTools_Context;
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//! The class contains handy static functions
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//! dealing with the topology
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//! This is the copy of the BOPTools_AlgoTools2D.cdl
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class BOPTools_AlgoTools2D
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Compute P-Curve for the edge <aE> on the face <aF>
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//! Raises exception Standard_ConstructionError if projection algorithm fails
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Standard_EXPORT static void BuildPCurveForEdgeOnFace (const TopoDS_Edge& aE, const TopoDS_Face& aF);
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//! Compute tangent for the edge <aE> [in 3D] at parameter <aT>
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Standard_EXPORT static Standard_Boolean EdgeTangent (const TopoDS_Edge& anE, const Standard_Real aT, gp_Vec& Tau);
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//! Compute surface parameters <U,V> of the face <aF>
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//! for the point from the edge <aE> at parameter <aT>.
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//! If <aE> has't pcurve on surface, algorithm tries to get it by
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//! projection and can
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//! raise exception Standard_ConstructionError if projection algorithm fails
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Standard_EXPORT static void PointOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF, const Standard_Real aT, Standard_Real& U, Standard_Real& V);
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//! Get P-Curve <aC> for the edge <aE> on surface <aF> .
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//! If the P-Curve does not exist, build it using Make2D().
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if algorithm Make2D() fails
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Standard_EXPORT static void CurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF, Handle(Geom2d_Curve)& aC, Standard_Real& aToler);
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//! Get P-Curve <aC> for the edge <aE> on surface <aF> .
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//! If the P-Curve does not exist, build it using Make2D().
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//! [aFirst, aLast] - range of the P-Curve
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if algorithm Make2D() fails
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Standard_EXPORT static void CurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF, Handle(Geom2d_Curve)& aC, Standard_Real& aFirst, Standard_Real& aLast, Standard_Real& aToler);
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//! Returns TRUE if the edge <aE> has P-Curve <aC>
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//! on surface <aF> .
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//! [aFirst, aLast] - range of the P-Curve
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//! [aToler] - reached tolerance
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//! If the P-Curve does not exist, aC.IsNull()=TRUE.
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Standard_EXPORT static Standard_Boolean HasCurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF, Handle(Geom2d_Curve)& aC, Standard_Real& aFirst, Standard_Real& aLast, Standard_Real& aToler);
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//! Returns TRUE if the edge <aE> has P-Curve <aC>
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//! on surface <aF> .
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//! If the P-Curve does not exist, aC.IsNull()=TRUE.
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Standard_EXPORT static Standard_Boolean HasCurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF);
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//! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .
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Standard_EXPORT static void AdjustPCurveOnFace (const TopoDS_Face& aF, const Handle(Geom_Curve)& C3D, const Handle(Geom2d_Curve)& aC2D, Handle(Geom2d_Curve)& aC2DA);
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//! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .
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//! [aT1, aT2] - range to adjust
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Standard_EXPORT static void AdjustPCurveOnFace (const TopoDS_Face& aF, const Standard_Real aT1, const Standard_Real aT2, const Handle(Geom2d_Curve)& aC2D, Handle(Geom2d_Curve)& aC2DA);
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//! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .
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//! [aT1, aT2] - range to adjust
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Standard_EXPORT static void AdjustPCurveOnFace (const BRepAdaptor_Surface& aF, const Standard_Real aT1, const Standard_Real aT2, const Handle(Geom2d_Curve)& aC2D, Handle(Geom2d_Curve)& aC2DA);
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//! Compute intermediate value in between [aFirst, aLast] .
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Standard_EXPORT static Standard_Real IntermediatePoint (const Standard_Real aFirst, const Standard_Real aLast);
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//! Compute intermediate value of parameter for the edge <anE>.
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Standard_EXPORT static Standard_Real IntermediatePoint (const TopoDS_Edge& anE);
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//! Build pcurve of edge on face if the surface is plane, and update the edge.
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Standard_EXPORT static void BuildPCurveForEdgeOnPlane (const TopoDS_Edge& theE, const TopoDS_Face& theF);
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//! Build pcurve of edge on face if the surface is plane, but do not update the edge.
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//! The output are the pcurve and the flag telling that pcurve was built.
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Standard_EXPORT static void BuildPCurveForEdgeOnPlane (const TopoDS_Edge& theE, const TopoDS_Face& theF,
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Handle(Geom2d_Curve)& aC2D, Standard_Boolean& bToUpdate);
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Standard_EXPORT static void BuildPCurveForEdgesOnPlane (const BOPCol_ListOfShape& theLE, const TopoDS_Face& theF);
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//! Make P-Curve <aC> for the edge <aE> on surface <aF> .
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//! [aFirst, aLast] - range of the P-Curve
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if algorithm fails
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Standard_EXPORT static void Make2D (const TopoDS_Edge& aE, const TopoDS_Face& aF, Handle(Geom2d_Curve)& aC, Standard_Real& aFirst, Standard_Real& aLast, Standard_Real& aToler);
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//! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if projection algorithm fails
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Standard_EXPORT static void MakePCurveOnFace (const TopoDS_Face& aF, const Handle(Geom_Curve)& C3D, Handle(Geom2d_Curve)& aC, Standard_Real& aToler);
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//! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .
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//! [aT1, aT2] - range to build
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if projection algorithm fails
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Standard_EXPORT static void MakePCurveOnFace (const TopoDS_Face& aF, const Handle(Geom_Curve)& C3D, const Standard_Real aT1, const Standard_Real aT2, Handle(Geom2d_Curve)& aC, Standard_Real& aToler);
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//! Make empty P-Curve <aC> of relevant to <PC> type
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Standard_EXPORT static void MakePCurveOfType (const ProjLib_ProjectedCurve& PC, Handle(Geom2d_Curve)& aC);
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//! Attach P-Curve from the edge <aEold> on surface <aF>
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//! to the edge <aEnew>
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//! Returns 0 in case of success
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Standard_EXPORT static Standard_Integer AttachExistingPCurve (const TopoDS_Edge& aEold, const TopoDS_Edge& aEnew, const TopoDS_Face& aF, const Handle(IntTools_Context)& aCtx);
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//! Checks if CurveOnSurface of theE on theF matches with isoline of theF surface.
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//! Sets corresponding values for isTheUIso and isTheVIso variables.
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//! ATTENTION!!!
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//! This method is based on comparation between direction of
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//! surface (which theF is based on) iso-lines and the direction
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//! of the edge p-curve (on theF) in middle-point of the p-curve.
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//! This method should be used carefully
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//! (e.g. BRep_Tool::IsClosed(...) together) in order to
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//! avoid false classification some p-curves as isoline (e.g. circle
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//! on a plane).
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Standard_EXPORT static void IsEdgeIsoline(const TopoDS_Edge& theE,
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const TopoDS_Face& theF,
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Standard_Boolean& isTheUIso,
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Standard_Boolean& isTheVIso);
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protected:
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private:
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};
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#endif // _BOPTools_AlgoTools2D_HeaderFile
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