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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).
101 lines
3.8 KiB
C++
101 lines
3.8 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_EdgeDiscret_HeaderFile
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#define _BRepMesh_EdgeDiscret_HeaderFile
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#include <IMeshTools_ModelAlgo.hxx>
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#include <IMeshTools_Parameters.hxx>
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#include <IMeshData_Types.hxx>
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class IMeshTools_CurveTessellator;
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//! Class implements functionality of edge discret tool.
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//! Performs check of the edges for existing Poly_PolygonOnTriangulation.
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//! In case if it fits specified deflection, restores data structure using
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//! it, else clears edges from outdated data.
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class BRepMesh_EdgeDiscret : public IMeshTools_ModelAlgo
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{
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public:
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//! Constructor.
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Standard_EXPORT BRepMesh_EdgeDiscret ();
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//! Destructor.
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Standard_EXPORT virtual ~BRepMesh_EdgeDiscret ();
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//! Creates instance of free edge tessellator.
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Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellator(
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const IMeshData::IEdgeHandle& theDEdge,
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const IMeshTools_Parameters& theParameters,
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const Standard_Integer theMinPointsNb = 2);
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//! Creates instance of edge tessellator.
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Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellator(
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const IMeshData::IEdgeHandle& theDEdge,
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const TopAbs_Orientation theOrientation,
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const IMeshData::IFaceHandle& theDFace,
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const IMeshTools_Parameters& theParameters,
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const Standard_Integer theMinPointsNb = 2);
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//! Creates instance of tessellation extractor.
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Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellationExtractor(
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const IMeshData::IEdgeHandle& theDEdge,
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const IMeshData::IFaceHandle& theDFace);
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//! Functor API to discretize the given edge.
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void operator() (const Standard_Integer theEdgeIndex) const {
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process (theEdgeIndex);
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}
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//! Updates 3d discrete edge model using the given tessellation tool.
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Standard_EXPORT static void Tessellate3d(
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const IMeshData::IEdgeHandle& theDEdge,
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const Handle(IMeshTools_CurveTessellator)& theTessellator,
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const Standard_Boolean theUpdateEnds);
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//! Updates 2d discrete edge model using tessellation of 3D curve.
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Standard_EXPORT static void Tessellate2d(
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const IMeshData::IEdgeHandle& theDEdge,
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const Standard_Boolean theUpdateEnds);
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DEFINE_STANDARD_RTTIEXT(BRepMesh_EdgeDiscret, IMeshTools_ModelAlgo)
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protected:
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//! Performs processing of edges of the given model.
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Standard_EXPORT virtual Standard_Boolean performInternal (
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const Handle (IMeshData_Model)& theModel,
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const IMeshTools_Parameters& theParameters,
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const Message_ProgressRange& theRange) Standard_OVERRIDE;
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private:
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//! Checks existing discretization of the edge and updates data model.
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void process (const Standard_Integer theEdgeIndex) const;
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//! Checks existing polygon on triangulation does it fit edge deflection or not.
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//! @return deflection of polygon or RealLast () in case if edge has no polygon
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//! or it was dropped.
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Standard_Real checkExistingPolygonAndUpdateStatus(
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const IMeshData::IEdgeHandle& theDEdge,
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const IMeshData::IPCurveHandle& thePCurve) const;
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private:
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Handle (IMeshData_Model) myModel;
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IMeshTools_Parameters myParameters;
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};
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#endif |