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0001 // Created on: 2020-09-17 0002 // Created by: Marina ZERNOVA 0003 // Copyright (c) 2020 OPEN CASCADE SAS 0004 // 0005 // This file is part of Open CASCADE Technology software library. 0006 // 0007 // This library is free software; you can redistribute it and/or modify it under 0008 // the terms of the GNU Lesser General Public License version 2.1 as published 0009 // by the Free Software Foundation, with special exception defined in the file 0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0011 // distribution for complete text of the license and disclaimer of any warranty. 0012 // 0013 // Alternatively, this file may be used under the terms of Open CASCADE 0014 // commercial license or contractual agreement. 0015 0016 #ifndef _Prs3d_ToolTorus_HeaderFile 0017 #define _Prs3d_ToolTorus_HeaderFile 0018 0019 #include <Prs3d_ToolQuadric.hxx> 0020 0021 //! Standard presentation algorithm that outputs graphical primitives for torus surface. 0022 class Prs3d_ToolTorus : public Prs3d_ToolQuadric 0023 { 0024 public: 0025 0026 //! Generate primitives for 3D quadric surface (complete torus). 0027 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0028 //! @param theMinorRad [in] radius of the pipe 0029 //! @param theNbSlices [in] number of slices within U parameter 0030 //! @param theNbStacks [in] number of stacks within V parameter 0031 //! @param theTrsf [in] optional transformation to apply 0032 //! @return generated triangulation 0033 static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theMajorRad, 0034 const Standard_Real theMinorRad, 0035 const Standard_Integer theNbSlices, 0036 const Standard_Integer theNbStacks, 0037 const gp_Trsf& theTrsf) 0038 { 0039 return Create (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, M_PI * 2.0, theNbSlices, theNbStacks, theTrsf); 0040 } 0041 0042 //! Generate primitives for 3D quadric surface (torus segment). 0043 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0044 //! @param theMinorRad [in] radius of the pipe 0045 //! @param theAngle [in] angle to create a torus pipe segment 0046 //! @param theNbSlices [in] number of slices within U parameter 0047 //! @param theNbStacks [in] number of stacks within V parameter 0048 //! @param theTrsf [in] optional transformation to apply 0049 //! @return generated triangulation 0050 static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theMajorRad, 0051 const Standard_Real theMinorRad, 0052 const Standard_Real theAngle, 0053 const Standard_Integer theNbSlices, 0054 const Standard_Integer theNbStacks, 0055 const gp_Trsf& theTrsf) 0056 { 0057 return Create (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, theAngle, theNbSlices, theNbStacks, theTrsf); 0058 } 0059 0060 //! Generate primitives for 3D quadric surface (torus ring segment). 0061 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0062 //! @param theMinorRad [in] radius of the pipe 0063 //! @param theAngle1 [in] first angle to create a torus ring segment 0064 //! @param theAngle2 [in] second angle to create a torus ring segment 0065 //! @param theNbSlices [in] number of slices within U parameter 0066 //! @param theNbStacks [in] number of stacks within V parameter 0067 //! @param theTrsf [in] optional transformation to apply 0068 //! @return generated triangulation 0069 static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theMajorRad, 0070 const Standard_Real theMinorRad, 0071 const Standard_Real theAngle1, 0072 const Standard_Real theAngle2, 0073 const Standard_Integer theNbSlices, 0074 const Standard_Integer theNbStacks, 0075 const gp_Trsf& theTrsf) 0076 { 0077 return Create (theMajorRad, theMinorRad, theAngle1, theAngle2, M_PI * 2.0, theNbSlices, theNbStacks, theTrsf); 0078 } 0079 0080 //! Generate primitives for 3D quadric surface (segment of the torus ring segment). 0081 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0082 //! @param theMinorRad [in] radius of the pipe 0083 //! @param theAngle1 [in] first angle to create a torus ring segment 0084 //! @param theAngle2 [in] second angle to create a torus ring segment 0085 //! @param theAngle [in] angle to create a torus pipe segment 0086 //! @param theNbSlices [in] number of slices within U parameter 0087 //! @param theNbStacks [in] number of stacks within V parameter 0088 //! @param theTrsf [in] optional transformation to apply 0089 //! @return generated triangulation 0090 Standard_EXPORT static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theMajorRad, 0091 const Standard_Real theMinorRad, 0092 const Standard_Real theAngle1, 0093 const Standard_Real theAngle2, 0094 const Standard_Real theAngle, 0095 const Standard_Integer theNbSlices, 0096 const Standard_Integer theNbStacks, 0097 const gp_Trsf& theTrsf); 0098 0099 public: 0100 0101 //! Initializes the algorithm creating a complete torus. 0102 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0103 //! @param theMinorRad [in] radius of the pipe 0104 //! @param theNbSlices [in] number of slices within U parameter 0105 //! @param theNbStacks [in] number of stacks within V parameter 0106 Prs3d_ToolTorus (const Standard_Real theMajorRad, 0107 const Standard_Real theMinorRad, 0108 const Standard_Integer theNbSlices, 0109 const Standard_Integer theNbStacks) 0110 { 0111 init (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, M_PI * 2.0, theNbSlices, theNbStacks); 0112 } 0113 0114 //! Initializes the algorithm creating a torus pipe segment. 0115 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0116 //! @param theMinorRad [in] radius of the pipe 0117 //! @param theAngle [in] angle to create a torus pipe segment 0118 //! @param theNbSlices [in] number of slices within U parameter 0119 //! @param theNbStacks [in] number of stacks within V parameter 0120 Prs3d_ToolTorus (const Standard_Real theMajorRad, 0121 const Standard_Real theMinorRad, 0122 const Standard_Real theAngle, 0123 const Standard_Integer theNbSlices, 0124 const Standard_Integer theNbStacks) 0125 { 0126 init (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, theAngle, theNbSlices, theNbStacks); 0127 } 0128 0129 //! Initializes the algorithm creating a torus ring segment. 0130 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0131 //! @param theMinorRad [in] radius of the pipe 0132 //! @param theAngle1 [in] first angle to create a torus ring segment 0133 //! @param theAngle2 [in] second angle to create a torus ring segment 0134 //! @param theNbSlices [in] number of slices within U parameter 0135 //! @param theNbStacks [in] number of stacks within V parameter 0136 Prs3d_ToolTorus (const Standard_Real theMajorRad, 0137 const Standard_Real theMinorRad, 0138 const Standard_Real theAngle1, 0139 const Standard_Real theAngle2, 0140 const Standard_Integer theNbSlices, 0141 const Standard_Integer theNbStacks) 0142 { 0143 init (theMajorRad, theMinorRad, theAngle1, theAngle2, M_PI * 2.0, theNbSlices, theNbStacks); 0144 } 0145 0146 //! Initializes the algorithm creating a torus ring segment. 0147 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0148 //! @param theMinorRad [in] radius of the pipe 0149 //! @param theAngle1 [in] first angle to create a torus ring segment 0150 //! @param theAngle2 [in] second angle to create a torus ring segment 0151 //! @param theAngle [in] angle to create a torus pipe segment 0152 //! @param theNbSlices [in] number of slices within U parameter 0153 //! @param theNbStacks [in] number of stacks within V parameter 0154 Prs3d_ToolTorus (const Standard_Real theMajorRad, 0155 const Standard_Real theMinorRad, 0156 const Standard_Real theAngle1, 0157 const Standard_Real theAngle2, 0158 const Standard_Real theAngle, 0159 const Standard_Integer theNbSlices, 0160 const Standard_Integer theNbStacks) 0161 { 0162 init (theMajorRad, theMinorRad, theAngle1, theAngle2, theAngle, theNbSlices, theNbStacks); 0163 } 0164 0165 private: 0166 0167 //! Initialisation 0168 //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus 0169 //! @param theMinorRad [in] radius of the pipe 0170 //! @param theAngle1 [in] first angle to create a torus ring segment 0171 //! @param theAngle2 [in] second angle to create a torus ring segment 0172 //! @param theAngle [in] angle to create a torus pipe segment 0173 //! @param theNbSlices [in] number of slices within U parameter 0174 //! @param theNbStacks [in] number of stacks within V parameter 0175 Standard_EXPORT void init (const Standard_Real theMajorRad, 0176 const Standard_Real theMinorRad, 0177 const Standard_Real theAngle1, 0178 const Standard_Real theAngle2, 0179 const Standard_Real theAngle, 0180 const Standard_Integer theNbSlices, 0181 const Standard_Integer theNbStacks); 0182 0183 protected: 0184 0185 //! Computes vertex at given parameter location of the surface. 0186 Standard_EXPORT virtual gp_Pnt Vertex (const Standard_Real theU, const Standard_Real theV) const Standard_OVERRIDE; 0187 0188 //! Computes normal at given parameter location of the surface. 0189 Standard_EXPORT virtual gp_Dir Normal (const Standard_Real theU, const Standard_Real theV) const Standard_OVERRIDE; 0190 0191 protected: 0192 0193 Standard_Real myMajorRadius; //!< distance from the center of the pipe to the center of the torus 0194 Standard_Real myMinorRadius; //!< radius of the pipe 0195 Standard_Real myAngle; //!< angle to create a torus pipe segment 0196 Standard_Real myVMin; //!< first angle to create a torus ring segment 0197 Standard_Real myVMax; //!< second angle to create a torus ring segment 0198 0199 }; 0200 0201 #endif // _Prs3d_ToolTorus_HeaderFile
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