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1 | // Created on: 1995-09-21 |
2 | // Created by: Philippe GIRODENGO |
3 | // Copyright (c) 1995-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _StlMesh_Mesh_HeaderFile |
18 | #define _StlMesh_Mesh_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <Standard_Integer.hxx> |
24 | #include <StlMesh_SequenceOfMeshDomain.hxx> |
25 | #include <gp_XYZ.hxx> |
26 | #include <MMgt_TShared.hxx> |
27 | #include <Standard_Real.hxx> |
28 | #include <Standard_Boolean.hxx> |
29 | #include <StlMesh_SequenceOfMeshTriangle.hxx> |
30 | #include <TColgp_SequenceOfXYZ.hxx> |
31 | class Standard_NegativeValue; |
32 | class Standard_NullValue; |
33 | class Standard_NoSuchObject; |
34 | class gp_XYZ; |
35 | |
36 | |
37 | class StlMesh_Mesh; |
38 | DEFINE_STANDARD_HANDLE(StlMesh_Mesh, MMgt_TShared) |
39 | |
40 | //! Mesh definition. The mesh contains one or several |
41 | //! domains. Each mesh domain contains a set of |
42 | //! triangles. Each domain can have its own deflection |
43 | //! value. |
44 | class StlMesh_Mesh : public MMgt_TShared |
45 | { |
46 | |
47 | public: |
48 | |
49 | |
50 | //! Creates an empty mesh. |
51 | Standard_EXPORT StlMesh_Mesh(); |
52 | |
53 | //! Adds a new mesh domain. The mesh deflection is |
54 | //! defaulted to Confusion from package Precision. |
55 | Standard_EXPORT virtual void AddDomain(); |
56 | |
57 | //! Adds a new mesh domain. |
58 | //! Raised if the deflection is lower than zero |
59 | //! Raised if the deflection is lower than Confusion |
60 | //! from package Precision |
61 | Standard_EXPORT virtual void AddDomain (const Standard_Real Deflection); |
62 | |
63 | //! Build a triangle with the triplet of vertices (V1, |
64 | //! V2, V3). This triplet defines the indexes of the |
65 | //! vertex in the current domain The coordinates Xn, |
66 | //! Yn, Zn defines the normal direction to the |
67 | //! triangle. Returns the range of the triangle in |
68 | //! the current domain. |
69 | Standard_EXPORT virtual Standard_Integer AddTriangle (const Standard_Integer V1, const Standard_Integer V2, const Standard_Integer V3, const Standard_Real Xn, const Standard_Real Yn, const Standard_Real Zn); |
70 | |
71 | //! Returns the range of the vertex in the current |
72 | //! domain. |
73 | Standard_EXPORT virtual Standard_Integer AddVertex (const Standard_Real X, const Standard_Real Y, const Standard_Real Z); |
74 | |
75 | //! Returns the range of the vertex in the current |
76 | //! domain. The current vertex is not inserted in the |
77 | //! mesh if it already exist. |
78 | Standard_EXPORT virtual Standard_Integer AddOnlyNewVertex (const Standard_Real X, const Standard_Real Y, const Standard_Real Z); |
79 | |
80 | //! Each vertex of the mesh verifies the following |
81 | //! relations : |
82 | //! XYZMin.X() <= X <= XYZMax.X() |
83 | //! XYZMin.Y() <= Y <= XYZMax.y() |
84 | //! XYZMin.Z() <= Z <= XYZMax.Z() |
85 | Standard_EXPORT virtual void Bounds (gp_XYZ& XYZmax, gp_XYZ& XYZmin) const; |
86 | |
87 | Standard_EXPORT virtual void Clear(); |
88 | |
89 | //! Returns the deflection of the mesh of the domain |
90 | //! of range <DomainIndex>. |
91 | //! Raised if <DomainIndex> is lower than 1 or greater |
92 | //! than the number of domains. |
93 | Standard_EXPORT virtual Standard_Real Deflection (const Standard_Integer DomainIndex) const; |
94 | |
95 | virtual Standard_Boolean IsEmpty() const; |
96 | |
97 | //! Number of domains in the mesh. |
98 | virtual Standard_Integer NbDomains() const; |
99 | |
100 | //! Cumulative Number of triangles in the mesh. |
101 | Standard_Integer NbTriangles() const; |
102 | |
103 | //! Number of triangles in the domain of range |
104 | //! <DomainIndex>. |
105 | //! Raised if <DomainIndex> is lower than 1 or greater |
106 | //! than the number of domains. |
107 | Standard_EXPORT virtual Standard_Integer NbTriangles (const Standard_Integer DomainIndex) const; |
108 | |
109 | //! Cumulative Number of vertices in the mesh. |
110 | virtual Standard_Integer NbVertices() const; |
111 | |
112 | //! Number of vertices in the domain of range |
113 | //! <DomainIndex>. |
114 | //! Raised if <DomainIndex> is lower than 1 or greater |
115 | //! than the number of domains. |
116 | Standard_EXPORT virtual Standard_Integer NbVertices (const Standard_Integer DomainIndex) const; |
117 | |
118 | //! Returns the set of triangle of the mesh domain of range |
119 | //! <DomainIndex>. |
120 | //! Raised if <DomainIndex> is lower than 1 or greater |
121 | //! than the number of domains. |
122 | Standard_EXPORT virtual const StlMesh_SequenceOfMeshTriangle& Triangles (const Standard_Integer DomainIndex = 1) const; |
123 | |
124 | //! Returns the coordinates of the vertices of the |
125 | //! mesh domain of range <DomainIndex>. {XV1, YV1, |
126 | //! ZV1, XV2, YV2, ZV2, XV3,.....} |
127 | //! Raised if <DomainIndex> is lower than 1 or greater |
128 | //! than the number of domains. |
129 | Standard_EXPORT virtual const TColgp_SequenceOfXYZ& Vertices (const Standard_Integer DomainIndex = 1) const; |
130 | |
131 | |
132 | |
133 | |
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134 | DEFINE_STANDARD_RTTIEXT(StlMesh_Mesh,MMgt_TShared) |
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135 | |
136 | protected: |
137 | |
138 | |
139 | Standard_Integer nbTriangles; |
140 | Standard_Integer nbVertices; |
141 | StlMesh_SequenceOfMeshDomain domains; |
142 | gp_XYZ xyzmax; |
143 | gp_XYZ xyzmin; |
144 | |
145 | |
146 | private: |
147 | |
148 | |
149 | |
150 | |
151 | }; |
152 | |
153 | |
154 | #include <StlMesh_Mesh.lxx> |
155 | |
156 | |
157 | |
158 | |
159 | |
160 | #endif // _StlMesh_Mesh_HeaderFile |