1 // Created on: 1993-02-03
2 // Created by: Laurent BUCHARD
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_Polyhedron_HeaderFile
18 #define _IntPatch_Polyhedron_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Bnd_Box.hxx>
25 #include <Bnd_HArray1OfBox.hxx>
26 #include <Standard_Real.hxx>
27 #include <Standard_Integer.hxx>
28 #include <Standard_Address.hxx>
29 #include <Standard_Boolean.hxx>
30 class Standard_OutOfRange;
31 class Adaptor3d_HSurface;
37 //! This class provides a linear approximation of the PSurface.
38 //! preview a constructor on a zone of a surface
39 class IntPatch_Polyhedron
46 //! MaTriangle constructor with an double array of pnt for the
47 //! representation of a double array of triangles.
48 Standard_EXPORT IntPatch_Polyhedron(const Handle(Adaptor3d_HSurface)& Surface, const Standard_Integer nbdU, const Standard_Integer nbdV);
50 Standard_EXPORT IntPatch_Polyhedron(const Handle(Adaptor3d_HSurface)& Surface);
52 Standard_EXPORT void Destroy();
53 ~IntPatch_Polyhedron()
58 Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& Surface, const Standard_Integer nbdU, const Standard_Integer nbdV);
60 Standard_EXPORT void DeflectionOverEstimation (const Standard_Real flec);
62 Standard_EXPORT Standard_Real DeflectionOnTriangle (const Handle(Adaptor3d_HSurface)& Surface, const Standard_Integer Index) const;
64 Standard_EXPORT void UMinSingularity (const Standard_Boolean Sing);
66 Standard_EXPORT void UMaxSingularity (const Standard_Boolean Sing);
68 Standard_EXPORT void VMinSingularity (const Standard_Boolean Sing);
70 Standard_EXPORT void VMaxSingularity (const Standard_Boolean Sing);
72 //! Get the size of the MaTriangle.
73 Standard_EXPORT void Size (Standard_Integer& nbdu, Standard_Integer& nbdv) const;
75 //! Give the number of triangles in this double array of
76 //! triangles (nbdu*nbdv*2).
77 Standard_EXPORT Standard_Integer NbTriangles() const;
79 //! Give the 3 points of the triangle of addresse Index in
80 //! the double array of triangles.
81 Standard_EXPORT void Triangle (const Standard_Integer Index, Standard_Integer& P1, Standard_Integer& P2, Standard_Integer& P3) const;
83 //! Give the addresse Tricon of the triangle connexe to the
84 //! triangle of address Triang by the edge Pivot Pedge and
85 //! the third point of this connexe triangle. When we are
86 //! on a free edge TriCon==0 but the function return the
87 //! value of the triangle in the other side of Pivot on
88 //! the free edge. Used to turn around a vertex.
89 Standard_EXPORT Standard_Integer TriConnex (const Standard_Integer Triang, const Standard_Integer Pivot, const Standard_Integer Pedge, Standard_Integer& TriCon, Standard_Integer& OtherP) const;
91 //! Give the number of point in the double array of
92 //! triangles ((nbdu+1)*(nbdv+1)).
93 Standard_EXPORT Standard_Integer NbPoints() const;
95 //! Set the value of a field of the double array of
97 Standard_EXPORT void Point (const gp_Pnt& thePnt, const Standard_Integer lig, const Standard_Integer col, const Standard_Real U, const Standard_Real V);
99 //! Give the point of index i in the MaTriangle.
100 Standard_EXPORT const gp_Pnt& Point (const Standard_Integer Index, Standard_Real& U, Standard_Real& V) const;
102 //! Give the point of index i in the MaTriangle.
103 Standard_EXPORT const gp_Pnt& Point (const Standard_Integer Index) const;
105 //! Give the point of index i in the MaTriangle.
106 Standard_EXPORT void Point (const Standard_Integer Index, gp_Pnt& P) const;
108 //! Give the bounding box of the MaTriangle.
109 Standard_EXPORT const Bnd_Box& Bounding() const;
111 //! Compute the array of boxes. The box <n> corresponding
112 //! to the triangle <n>.
113 Standard_EXPORT void FillBounding();
115 //! Give the array of boxes. The box <n> corresponding
116 //! to the triangle <n>.
117 Standard_EXPORT const Handle(Bnd_HArray1OfBox)& ComponentsBounding() const;
119 Standard_EXPORT Standard_Real DeflectionOverEstimation() const;
121 Standard_EXPORT Standard_Boolean HasUMinSingularity() const;
123 Standard_EXPORT Standard_Boolean HasUMaxSingularity() const;
125 Standard_EXPORT Standard_Boolean HasVMinSingularity() const;
127 Standard_EXPORT Standard_Boolean HasVMaxSingularity() const;
129 //! Give the plane equation of the triangle of addresse Triang.
130 Standard_EXPORT void PlaneEquation (const Standard_Integer Triang, gp_XYZ& NormalVector, Standard_Real& PolarDistance) const;
132 //! Give the plane equation of the triangle of addresse Triang.
133 Standard_EXPORT Standard_Boolean Contain (const Standard_Integer Triang, const gp_Pnt& ThePnt) const;
135 Standard_EXPORT void Parameters (const Standard_Integer Index, Standard_Real& U, Standard_Real& V) const;
137 Standard_EXPORT void Dump() const;
153 Handle(Bnd_HArray1OfBox) TheComponentsBnd;
154 Standard_Real TheDeflection;
155 Standard_Integer nbdeltaU;
156 Standard_Integer nbdeltaV;
157 Standard_Address C_MyPnts;
158 Standard_Address C_MyU;
159 Standard_Address C_MyV;
160 Standard_Boolean UMinSingular;
161 Standard_Boolean UMaxSingular;
162 Standard_Boolean VMinSingular;
163 Standard_Boolean VMaxSingular;
174 #endif // _IntPatch_Polyhedron_HeaderFile