| 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 | |
| 134 | DEFINE_STANDARD_RTTI(StlMesh_Mesh,MMgt_TShared) |
| 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 |