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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 //! Generate primitives for 3D quadric surface (complete torus). 0026 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0027 //! @param[in] theMinorRad radius of the pipe 0028 //! @param[in] theNbSlices number of slices within U parameter 0029 //! @param[in] theNbStacks number of stacks within V parameter 0030 //! @param[in] theTrsf optional transformation to apply 0031 //! @return generated triangulation 0032 static occ::handle<Graphic3d_ArrayOfTriangles> Create(const double theMajorRad, 0033 const double theMinorRad, 0034 const int theNbSlices, 0035 const int theNbStacks, 0036 const gp_Trsf& theTrsf) 0037 { 0038 return Create(theMajorRad, 0039 theMinorRad, 0040 0.0, 0041 M_PI * 2.0, 0042 M_PI * 2.0, 0043 theNbSlices, 0044 theNbStacks, 0045 theTrsf); 0046 } 0047 0048 //! Generate primitives for 3D quadric surface (torus segment). 0049 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0050 //! @param[in] theMinorRad radius of the pipe 0051 //! @param[in] theAngle angle to create a torus pipe segment 0052 //! @param[in] theNbSlices number of slices within U parameter 0053 //! @param[in] theNbStacks number of stacks within V parameter 0054 //! @param[in] theTrsf optional transformation to apply 0055 //! @return generated triangulation 0056 static occ::handle<Graphic3d_ArrayOfTriangles> Create(const double theMajorRad, 0057 const double theMinorRad, 0058 const double theAngle, 0059 const int theNbSlices, 0060 const int theNbStacks, 0061 const gp_Trsf& theTrsf) 0062 { 0063 return Create(theMajorRad, 0064 theMinorRad, 0065 0.0, 0066 M_PI * 2.0, 0067 theAngle, 0068 theNbSlices, 0069 theNbStacks, 0070 theTrsf); 0071 } 0072 0073 //! Generate primitives for 3D quadric surface (torus ring segment). 0074 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0075 //! @param[in] theMinorRad radius of the pipe 0076 //! @param[in] theAngle1 first angle to create a torus ring segment 0077 //! @param[in] theAngle2 second angle to create a torus ring segment 0078 //! @param[in] theNbSlices number of slices within U parameter 0079 //! @param[in] theNbStacks number of stacks within V parameter 0080 //! @param[in] theTrsf optional transformation to apply 0081 //! @return generated triangulation 0082 static occ::handle<Graphic3d_ArrayOfTriangles> Create(const double theMajorRad, 0083 const double theMinorRad, 0084 const double theAngle1, 0085 const double theAngle2, 0086 const int theNbSlices, 0087 const int theNbStacks, 0088 const gp_Trsf& theTrsf) 0089 { 0090 return Create(theMajorRad, 0091 theMinorRad, 0092 theAngle1, 0093 theAngle2, 0094 M_PI * 2.0, 0095 theNbSlices, 0096 theNbStacks, 0097 theTrsf); 0098 } 0099 0100 //! Generate primitives for 3D quadric surface (segment of the torus ring segment). 0101 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0102 //! @param[in] theMinorRad radius of the pipe 0103 //! @param[in] theAngle1 first angle to create a torus ring segment 0104 //! @param[in] theAngle2 second angle to create a torus ring segment 0105 //! @param[in] theAngle angle to create a torus pipe segment 0106 //! @param[in] theNbSlices number of slices within U parameter 0107 //! @param[in] theNbStacks number of stacks within V parameter 0108 //! @param[in] theTrsf optional transformation to apply 0109 //! @return generated triangulation 0110 Standard_EXPORT static occ::handle<Graphic3d_ArrayOfTriangles> Create(const double theMajorRad, 0111 const double theMinorRad, 0112 const double theAngle1, 0113 const double theAngle2, 0114 const double theAngle, 0115 const int theNbSlices, 0116 const int theNbStacks, 0117 const gp_Trsf& theTrsf); 0118 0119 public: 0120 //! Initializes the algorithm creating a complete torus. 0121 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0122 //! @param[in] theMinorRad radius of the pipe 0123 //! @param[in] theNbSlices number of slices within U parameter 0124 //! @param[in] theNbStacks number of stacks within V parameter 0125 Prs3d_ToolTorus(const double theMajorRad, 0126 const double theMinorRad, 0127 const int theNbSlices, 0128 const int theNbStacks) 0129 { 0130 init(theMajorRad, theMinorRad, 0.0, M_PI * 2.0, M_PI * 2.0, theNbSlices, theNbStacks); 0131 } 0132 0133 //! Initializes the algorithm creating a torus pipe segment. 0134 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0135 //! @param[in] theMinorRad radius of the pipe 0136 //! @param[in] theAngle angle to create a torus pipe segment 0137 //! @param[in] theNbSlices number of slices within U parameter 0138 //! @param[in] theNbStacks number of stacks within V parameter 0139 Prs3d_ToolTorus(const double theMajorRad, 0140 const double theMinorRad, 0141 const double theAngle, 0142 const int theNbSlices, 0143 const int theNbStacks) 0144 { 0145 init(theMajorRad, theMinorRad, 0.0, M_PI * 2.0, theAngle, theNbSlices, theNbStacks); 0146 } 0147 0148 //! Initializes the algorithm creating a torus ring segment. 0149 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0150 //! @param[in] theMinorRad radius of the pipe 0151 //! @param[in] theAngle1 first angle to create a torus ring segment 0152 //! @param[in] theAngle2 second angle to create a torus ring segment 0153 //! @param[in] theNbSlices number of slices within U parameter 0154 //! @param[in] theNbStacks number of stacks within V parameter 0155 Prs3d_ToolTorus(const double theMajorRad, 0156 const double theMinorRad, 0157 const double theAngle1, 0158 const double theAngle2, 0159 const int theNbSlices, 0160 const int theNbStacks) 0161 { 0162 init(theMajorRad, theMinorRad, theAngle1, theAngle2, M_PI * 2.0, theNbSlices, theNbStacks); 0163 } 0164 0165 //! Initializes the algorithm creating a torus ring segment. 0166 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0167 //! @param[in] theMinorRad radius of the pipe 0168 //! @param[in] theAngle1 first angle to create a torus ring segment 0169 //! @param[in] theAngle2 second angle to create a torus ring segment 0170 //! @param[in] theAngle angle to create a torus pipe segment 0171 //! @param[in] theNbSlices number of slices within U parameter 0172 //! @param[in] theNbStacks number of stacks within V parameter 0173 Prs3d_ToolTorus(const double theMajorRad, 0174 const double theMinorRad, 0175 const double theAngle1, 0176 const double theAngle2, 0177 const double theAngle, 0178 const int theNbSlices, 0179 const int theNbStacks) 0180 { 0181 init(theMajorRad, theMinorRad, theAngle1, theAngle2, theAngle, theNbSlices, theNbStacks); 0182 } 0183 0184 private: 0185 //! Initialisation 0186 //! @param[in] theMajorRad distance from the center of the pipe to the center of the torus 0187 //! @param[in] theMinorRad radius of the pipe 0188 //! @param[in] theAngle1 first angle to create a torus ring segment 0189 //! @param[in] theAngle2 second angle to create a torus ring segment 0190 //! @param[in] theAngle angle to create a torus pipe segment 0191 //! @param[in] theNbSlices number of slices within U parameter 0192 //! @param[in] theNbStacks number of stacks within V parameter 0193 Standard_EXPORT void init(const double theMajorRad, 0194 const double theMinorRad, 0195 const double theAngle1, 0196 const double theAngle2, 0197 const double theAngle, 0198 const int theNbSlices, 0199 const int theNbStacks); 0200 0201 protected: 0202 //! Computes vertex at given parameter location of the surface. 0203 Standard_EXPORT gp_Pnt Vertex(const double theU, const double theV) const override; 0204 0205 //! Computes normal at given parameter location of the surface. 0206 Standard_EXPORT gp_Dir Normal(const double theU, const double theV) const override; 0207 0208 protected: 0209 // clang-format off 0210 double myMajorRadius; //!< distance from the center of the pipe to the center of the torus 0211 // clang-format on 0212 double myMinorRadius; //!< radius of the pipe 0213 double myAngle; //!< angle to create a torus pipe segment 0214 double myVMin; //!< first angle to create a torus ring segment 0215 double myVMax; //!< second angle to create a torus ring segment 0216 }; 0217 0218 #endif // _Prs3d_ToolTorus_HeaderFile
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