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f73592edf0
Increase minimum number of discretization points by one explicitly on each iteration of model healer to cover cases degenerated to line (for cases when face consists of 2 edges only).
112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// Created on: 2016-04-19
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// Copyright (c) 2016 OPEN CASCADE SAS
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// Created by: Oleg AGASHIN
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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 _BRepMesh_EdgeTessellator_HeaderFile
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#define _BRepMesh_EdgeTessellator_HeaderFile
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#include <IMeshTools_CurveTessellator.hxx>
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#include <GCPnts_TangentialDeflection.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <BRepAdaptor_Curve.hxx>
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#include <IMeshData_Types.hxx>
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class Geom_Surface;
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class Geom2d_Curve;
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struct IMeshTools_Parameters;
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//! Auxiliary class performing tessellation of passed edge according to specified parameters.
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class BRepMesh_CurveTessellator : public IMeshTools_CurveTessellator
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{
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public:
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//! Constructor.
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Standard_EXPORT BRepMesh_CurveTessellator(
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const IMeshData::IEdgeHandle& theEdge,
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const IMeshTools_Parameters& theParameters,
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const Standard_Integer theMinPointsNb = 2);
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//! Constructor.
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Standard_EXPORT BRepMesh_CurveTessellator (
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const IMeshData::IEdgeHandle& theEdge,
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const TopAbs_Orientation theOrientation,
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const IMeshData::IFaceHandle& theFace,
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const IMeshTools_Parameters& theParameters,
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const Standard_Integer theMinPointsNb = 2);
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//! Destructor.
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Standard_EXPORT virtual ~BRepMesh_CurveTessellator ();
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//! Returns number of tessellation points.
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Standard_EXPORT virtual Standard_Integer PointsNb () const Standard_OVERRIDE;
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//! Returns parameters of solution with the given index.
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//! @param theIndex index of tessellation point.
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//! @param theParameter parameters on PCurve corresponded to the solution.
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//! @param thePoint tessellation point.
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//! @return True in case of valid result, false elewhere.
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Standard_EXPORT virtual Standard_Boolean Value (
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const Standard_Integer theIndex,
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gp_Pnt& thePoint,
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Standard_Real& theParameter) const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(BRepMesh_CurveTessellator, IMeshTools_CurveTessellator)
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private:
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//! Performs initialization of this tool.
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void init();
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//! Adds internal vertices to discrete polygon.
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void addInternalVertices ();
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//Check deflection in 2d space for improvement of edge tessellation.
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void splitByDeflection2d ();
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void splitSegment (
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const Handle (Geom_Surface)& theSurf,
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const Handle (Geom2d_Curve)& theCurve2d,
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const Standard_Real theFirst,
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const Standard_Real theLast,
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const Standard_Integer theNbIter);
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//! Checks whether the given point lies within tolerance of the vertex.
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Standard_Boolean isInToleranceOfVertex (
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const gp_Pnt& thePoint,
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const TopoDS_Vertex& theVertex) const;
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private:
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BRepMesh_CurveTessellator (const BRepMesh_CurveTessellator& theOther);
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void operator=(const BRepMesh_CurveTessellator& theOther);
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private:
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const IMeshData::IEdgeHandle& myDEdge;
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const IMeshTools_Parameters& myParameters;
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TopoDS_Edge myEdge;
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BRepAdaptor_Curve myCurve;
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Standard_Integer myMinPointsNb;
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GCPnts_TangentialDeflection myDiscretTool;
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TopoDS_Vertex myFirstVertex;
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TopoDS_Vertex myLastVertex;
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Standard_Real mySquareEdgeDef;
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Standard_Real mySquareMinSize;
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Standard_Real myEdgeSqTol;
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Standard_Real myFaceRangeU[2];
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Standard_Real myFaceRangeV[2];
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};
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#endif |