include/opencascade/IntPatch_PolyhedronTool.hxx

0001 // Created on: 1993-05-06
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1993-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IntPatch_PolyhedronTool_HeaderFile
0018 #define _IntPatch_PolyhedronTool_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Bnd_HArray1OfBox.hxx>
0025 #include <Standard_Integer.hxx>
0026 class Standard_OutOfRange;
0027 class Bnd_Box;
0028 class IntPatch_Polyhedron;
0029 class gp_Pnt;
0030
0031
0032 //! Describe the signature of a polyhedral surface with
0033 //! only triangular  facets and the necessary information
0034 //! to compute the interferences.
0035 class IntPatch_PolyhedronTool
0036 {
0037 public:
0038
0039   DEFINE_STANDARD_ALLOC
0040
0041
0042   //! Give the bounding box of the Polyhedron.
0043     static const Bnd_Box& Bounding (const IntPatch_Polyhedron& thePolyh);
0044
0045   //! Give the array of boxes. The box <n> corresponding
0046   //! to the triangle <n>.
0047     static const Handle(Bnd_HArray1OfBox)& ComponentsBounding (const IntPatch_Polyhedron& thePolyh);
0048
0049   //! Give the tolerance of the polygon.
0050     static Standard_Real DeflectionOverEstimation (const IntPatch_Polyhedron& thePolyh);
0051
0052   //! Give the number of triangles in this polyhedral surface.
0053     static Standard_Integer NbTriangles (const IntPatch_Polyhedron& thePolyh);
0054
0055   //! Give the indices  of  the 3 points of  the triangle of
0056   //! address Index in the Polyhedron.
0057     static void Triangle (const IntPatch_Polyhedron& thePolyh, const Standard_Integer Index, Standard_Integer& P1, Standard_Integer& P2, Standard_Integer& P3);
0058
0059   //! Give the point of index i in the polyhedral surface.
0060     static const gp_Pnt& Point (const IntPatch_Polyhedron& thePolyh, const Standard_Integer Index);
0061
0062   //! Gives the address Tricon of the triangle connexe to
0063   //! the triangle of address Triang by the edge Pivot Pedge
0064   //! and the third point of this  connexe triangle. When we
0065   //! are on  a free edge TriCon==0  but the function return
0066   //! the value of  the triangle in the  other side of Pivot
0067   //! on the free edge.  Used to turn around a vertex.
0068     static Standard_Integer TriConnex (const IntPatch_Polyhedron& thePolyh, const Standard_Integer Triang, const Standard_Integer Pivot, const Standard_Integer Pedge, Standard_Integer& TriCon, Standard_Integer& OtherP);
0069
0070
0071
0072
0073 protected:
0074
0075
0076
0077
0078
0079 private:
0080
0081
0082
0083
0084
0085 };
0086
0087
0088 #include <IntPatch_PolyhedronTool.lxx>
0089
0090
0091
0092
0093
0094 #endif // _IntPatch_PolyhedronTool_HeaderFile