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File indexing completed on 2026-07-27 09:42:22
0001 // Created on: 2016-04-19 0002 // Copyright (c) 2016 OPEN CASCADE SAS 0003 // Created by: Oleg AGASHIN 0004 // 0005 // This file is part of Open CASCADE Technology software library. 0006 // 0007 // This library is free software; you can redistribute it and/or modify it under 0008 // the terms of the GNU Lesser General Public License version 2.1 as published 0009 // by the Free Software Foundation, with special exception defined in the file 0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0011 // distribution for complete text of the license and disclaimer of any warranty. 0012 // 0013 // Alternatively, this file may be used under the terms of Open CASCADE 0014 // commercial license or contractual agreement. 0015 0016 #ifndef _BRepMesh_ShapeTool_HeaderFile 0017 #define _BRepMesh_ShapeTool_HeaderFile 0018 0019 #include <Standard_Transient.hxx> 0020 #include <IMeshData_Types.hxx> 0021 #include <Poly_Triangulation.hxx> 0022 #include <Poly_PolygonOnTriangulation.hxx> 0023 0024 class Geom_Curve; 0025 class Geom2d_Curve; 0026 class Poly_Polygon3D; 0027 class TopoDS_Face; 0028 class TopoDS_Edge; 0029 class Bnd_Box; 0030 0031 //! Auxiliary class providing functionality to compute, 0032 //! retrieve and store data to TopoDS and model shape. 0033 class BRepMesh_ShapeTool : public Standard_Transient 0034 { 0035 public: 0036 //! Returns maximum tolerance of the given face. 0037 //! Considers tolerances of edges and vertices contained in the given face. 0038 Standard_EXPORT static Standard_Real MaxFaceTolerance(const TopoDS_Face& theFace); 0039 0040 //! Gets the maximum dimension of the given bounding box. 0041 //! If the given bounding box is void leaves the resulting value unchanged. 0042 //! @param theBox bounding box to be processed. 0043 //! @param theMaxDimension maximum dimension of the given box. 0044 Standard_EXPORT static void BoxMaxDimension(const Bnd_Box& theBox, 0045 Standard_Real& theMaxDimension); 0046 0047 //! Checks same parameter, same range and degenerativity attributes 0048 //! using geometrical data of the given edge and updates edge model 0049 //! by computed parameters in case of worst case - it can drop flags 0050 //! same parameter and same range to False but never to True if it is 0051 //! already set to False. In contrary, it can also drop degenerated 0052 //! flag to True, but never to False if it is already set to True. 0053 Standard_EXPORT static void CheckAndUpdateFlags(const IMeshData::IEdgeHandle& theEdge, 0054 const IMeshData::IPCurveHandle& thePCurve); 0055 0056 //! Stores the given triangulation into the given face. 0057 //! @param theFace face to be updated by triangulation. 0058 //! @param theTriangulation triangulation to be stored into the face. 0059 Standard_EXPORT static void AddInFace(const TopoDS_Face& theFace, 0060 Handle(Poly_Triangulation)& theTriangulation); 0061 0062 //! Nullifies triangulation stored in the face. 0063 //! @param theFace face to be updated by null triangulation. 0064 Standard_EXPORT static void NullifyFace(const TopoDS_Face& theFace); 0065 0066 //! Nullifies polygon on triangulation stored in the edge. 0067 //! @param theEdge edge to be updated by null polygon. 0068 //! @param theTriangulation triangulation the given edge is associated to. 0069 //! @param theLocation face location. 0070 Standard_EXPORT static void NullifyEdge(const TopoDS_Edge& theEdge, 0071 const Handle(Poly_Triangulation)& theTriangulation, 0072 const TopLoc_Location& theLocation); 0073 0074 //! Nullifies 3d polygon stored in the edge. 0075 //! @param theEdge edge to be updated by null polygon. 0076 //! @param theLocation face location. 0077 Standard_EXPORT static void NullifyEdge(const TopoDS_Edge& theEdge, 0078 const TopLoc_Location& theLocation); 0079 0080 //! Updates the given edge by the given tessellated representation. 0081 //! @param theEdge edge to be updated. 0082 //! @param thePolygon tessellated representation of the edge to be stored. 0083 //! @param theTriangulation triangulation the given edge is associated to. 0084 //! @param theLocation face location. 0085 Standard_EXPORT static void UpdateEdge(const TopoDS_Edge& theEdge, 0086 const Handle(Poly_PolygonOnTriangulation)& thePolygon, 0087 const Handle(Poly_Triangulation)& theTriangulation, 0088 const TopLoc_Location& theLocation); 0089 0090 //! Updates the given edge by the given tessellated representation. 0091 //! @param theEdge edge to be updated. 0092 //! @param thePolygon tessellated representation of the edge to be stored. 0093 Standard_EXPORT static void UpdateEdge(const TopoDS_Edge& theEdge, 0094 const Handle(Poly_Polygon3D)& thePolygon); 0095 0096 //! Updates the given seam edge by the given tessellated representations. 0097 //! @param theEdge edge to be updated. 0098 //! @param thePolygon1 tessellated representation corresponding to 0099 //! forward direction of the seam edge. 0100 //! @param thePolygon2 tessellated representation corresponding to 0101 //! reversed direction of the seam edge. 0102 //! @param theTriangulation triangulation the given edge is associated to. 0103 //! @param theLocation face location. 0104 Standard_EXPORT static void UpdateEdge(const TopoDS_Edge& theEdge, 0105 const Handle(Poly_PolygonOnTriangulation)& thePolygon1, 0106 const Handle(Poly_PolygonOnTriangulation)& thePolygon2, 0107 const Handle(Poly_Triangulation)& theTriangulation, 0108 const TopLoc_Location& theLocation); 0109 0110 //! Applies location to the given point and return result. 0111 //! @param thePnt point to be transformed. 0112 //! @param theLoc location to be applied. 0113 Standard_EXPORT static gp_Pnt UseLocation(const gp_Pnt& thePnt, const TopLoc_Location& theLoc); 0114 0115 //! Gets the strict UV locations of the extremities of the edge using pcurve. 0116 Standard_EXPORT static Standard_Boolean UVPoints( 0117 const TopoDS_Edge& theEdge, 0118 const TopoDS_Face& theFace, 0119 gp_Pnt2d& theFirstPoint2d, 0120 gp_Pnt2d& theLastPoint2d, 0121 const Standard_Boolean isConsiderOrientation = Standard_False); 0122 0123 //! Gets the parametric range of the given edge on the given face. 0124 Standard_EXPORT static Standard_Boolean Range( 0125 const TopoDS_Edge& theEdge, 0126 const TopoDS_Face& theFace, 0127 Handle(Geom2d_Curve)& thePCurve, 0128 Standard_Real& theFirstParam, 0129 Standard_Real& theLastParam, 0130 const Standard_Boolean isConsiderOrientation = Standard_False); 0131 0132 //! Gets the 3d range of the given edge. 0133 Standard_EXPORT static Standard_Boolean Range( 0134 const TopoDS_Edge& theEdge, 0135 Handle(Geom_Curve)& theCurve, 0136 Standard_Real& theFirstParam, 0137 Standard_Real& theLastParam, 0138 const Standard_Boolean isConsiderOrientation = Standard_False); 0139 0140 DEFINE_STANDARD_RTTIEXT(BRepMesh_ShapeTool, Standard_Transient) 0141 }; 0142 0143 #endif
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