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208 lines
11 KiB
C++
208 lines
11 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 <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 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>.<br>
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//! Raises exception Standard_ConstructionError if projection algorithm fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void BuildPCurveForEdgeOnFace(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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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,
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const Standard_Real aT,
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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>.<br>
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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.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void PointOnSurface(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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const Standard_Real aT,
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Standard_Real& U,
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Standard_Real& V,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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//! Get P-Curve <aC> for the edge <aE> on surface <aF> .<br>
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//! If the P-Curve does not exist, build it using Make2D().<br>
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//! [aToler] - reached tolerance
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//! Raises exception Standard_ConstructionError if algorithm Make2D() fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void CurveOnSurface(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aToler,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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//! Get P-Curve <aC> for the edge <aE> on surface <aF> .<br>
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//! If the P-Curve does not exist, build it using Make2D().<br>
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//! [aFirst, aLast] - range of the P-Curve<br>
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//! [aToler] - reached tolerance<br>
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//! Raises exception Standard_ConstructionError if algorithm Make2D() fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void CurveOnSurface(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aFirst,
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Standard_Real& aLast,
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Standard_Real& aToler,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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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,
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const TopoDS_Face& aF,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aFirst,
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Standard_Real& aLast,
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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,
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const TopoDS_Face& aF);
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//! Adjust P-Curve <theC2D> (3D-curve <theC3D>) on surface of the face <theF>.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void AdjustPCurveOnFace(const TopoDS_Face& theF,
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const Handle(Geom_Curve)& theC3D,
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const Handle(Geom2d_Curve)& theC2D,
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Handle(Geom2d_Curve)& theC2DA,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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//! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .<br>
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//! [aT1, aT2] - range to adjust<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void AdjustPCurveOnFace(const TopoDS_Face& theF,
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const Standard_Real theFirst,
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const Standard_Real theLast,
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const Handle(Geom2d_Curve)& theC2D,
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Handle(Geom2d_Curve)& theC2DA,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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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 AdjustPCurveOnSurf(const BRepAdaptor_Surface& aF,
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const Standard_Real aT1,
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const Standard_Real aT2,
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const Handle(Geom2d_Curve)& aC2D,
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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,
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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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//! Make P-Curve <aC> for the edge <aE> on surface <aF> .<br>
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//! [aFirst, aLast] - range of the P-Curve<br>
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//! [aToler] - reached tolerance<br>
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//! Raises exception Standard_ConstructionError if algorithm fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void Make2D(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aFirst,
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Standard_Real& aLast,
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Standard_Real& aToler,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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//! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .<br>
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//! [aToler] - reached tolerance<br>
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//! Raises exception Standard_ConstructionError if projection algorithm fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void MakePCurveOnFace(const TopoDS_Face& aF,
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const Handle(Geom_Curve)& C3D,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aToler,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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//! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .<br>
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//! [aT1, aT2] - range to build<br>
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//! [aToler] - reached tolerance<br>
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//! Raises exception Standard_ConstructionError if projection algorithm fails.<br>
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//! <theContext> - storage for caching the geometrical tools
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Standard_EXPORT static void MakePCurveOnFace(const TopoDS_Face& aF,
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const Handle(Geom_Curve)& C3D,
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const Standard_Real aT1,
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const Standard_Real aT2,
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Handle(Geom2d_Curve)& aC,
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Standard_Real& aToler,
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const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)());
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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,
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const TopoDS_Edge& aEnew,
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const TopoDS_Face& aF,
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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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//!
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//! ATTENTION!!!
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//! This method is based on the comparison 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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//!
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//! This method should be used carefully
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//! (e.g. BRep_Tool::IsClosed(...) together) in order to avoid
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//! false classification some p-curves as isoline (e.g. circle 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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};
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#endif // _BOPTools_AlgoTools2D_HeaderFile
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