1 // Created on: 1993-05-06
2 // Created by: Jacques GOUSSARD
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _IntPatch_PolyhedronTool_HeaderFile
18 #define _IntPatch_PolyhedronTool_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Bnd_HArray1OfBox.hxx>
25 #include <Standard_Real.hxx>
26 #include <Standard_Integer.hxx>
27 class Standard_OutOfRange;
29 class IntPatch_Polyhedron;
33 //! Describe the signature of a polyedral surface with
34 //! only triangular facets and the necessary informations
35 //! to compute the interferences.
36 class IntPatch_PolyhedronTool
43 //! Give the bounding box of the Polyhedron.
44 static const Bnd_Box& Bounding (const IntPatch_Polyhedron& thePolyh);
46 //! Give the array of boxes. The box <n> corresponding
47 //! to the triangle <n>.
48 static const Handle(Bnd_HArray1OfBox)& ComponentsBounding (const IntPatch_Polyhedron& thePolyh);
50 //! Give the tolerance of the polygon.
51 static Standard_Real DeflectionOverEstimation (const IntPatch_Polyhedron& thePolyh);
53 //! Give the number of triangles in this polyedral surface.
54 static Standard_Integer NbTriangles (const IntPatch_Polyhedron& thePolyh);
56 //! Give the indices of the 3 points of the triangle of
57 //! address Index in the Polyhedron.
58 static void Triangle (const IntPatch_Polyhedron& thePolyh, const Standard_Integer Index, Standard_Integer& P1, Standard_Integer& P2, Standard_Integer& P3);
60 //! Give the point of index i in the polyedral surface.
61 static const gp_Pnt& Point (const IntPatch_Polyhedron& thePolyh, const Standard_Integer Index);
63 //! Gives the addresse Tricon of the triangle connexe to
64 //! the triangle of address Triang by the edge Pivot Pedge
65 //! and the third point of this connexe triangle. When we
66 //! are on a free edge TriCon==0 but the function return
67 //! the value of the triangle in the other side of Pivot
68 //! on the free edge. Used to turn around a vertex.
69 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);
89 #include <IntPatch_PolyhedronTool.lxx>
95 #endif // _IntPatch_PolyhedronTool_HeaderFile