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File indexing completed on 2026-09-18 09:19:55
0001 // Created on: 1993-07-21 0002 // Created by: Remi LEQUETTE 0003 // Copyright (c) 1993-1999 Matra Datavision 0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS 0005 // 0006 // This file is part of Open CASCADE Technology software library. 0007 // 0008 // This library is free software; you can redistribute it and/or modify it under 0009 // the terms of the GNU Lesser General Public License version 2.1 as published 0010 // by the Free Software Foundation, with special exception defined in the file 0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0012 // distribution for complete text of the license and disclaimer of any warranty. 0013 // 0014 // Alternatively, this file may be used under the terms of Open CASCADE 0015 // commercial license or contractual agreement. 0016 0017 #ifndef _BRepPrimAPI_MakeCone_HeaderFile 0018 #define _BRepPrimAPI_MakeCone_HeaderFile 0019 0020 #include <Standard.hxx> 0021 #include <Standard_DefineAlloc.hxx> 0022 #include <Standard_Handle.hxx> 0023 0024 #include <BRepPrim_Cone.hxx> 0025 #include <BRepPrimAPI_MakeOneAxis.hxx> 0026 class gp_Ax2; 0027 0028 //! Describes functions to build cones or portions of cones. 0029 //! A MakeCone object provides a framework for: 0030 //! - defining the construction of a cone, 0031 //! - implementing the construction algorithm, and 0032 //! - consulting the result. 0033 class BRepPrimAPI_MakeCone : public BRepPrimAPI_MakeOneAxis 0034 { 0035 public: 0036 DEFINE_STANDARD_ALLOC 0037 0038 //! Make a cone. 0039 //! @param[in] R1 cone bottom radius, may be null (z = 0) 0040 //! @param[in] R2 cone top radius, may be null (z = H) 0041 //! @param[in] H cone height 0042 Standard_EXPORT BRepPrimAPI_MakeCone(const double R1, const double R2, const double H); 0043 0044 //! Make a cone. 0045 //! @param[in] R1 cone bottom radius, may be null (z = 0) 0046 //! @param[in] R2 cone top radius, may be null (z = H) 0047 //! @param[in] H cone height 0048 //! @param[in] angle angle to create a part cone 0049 Standard_EXPORT BRepPrimAPI_MakeCone(const double R1, 0050 const double R2, 0051 const double H, 0052 const double angle); 0053 0054 //! Make a cone. 0055 //! @param[in] axes coordinate system for the construction of the cone 0056 //! @param[in] R1 cone bottom radius, may be null (z = 0) 0057 //! @param[in] R2 cone top radius, may be null (z = H) 0058 //! @param[in] H cone height 0059 Standard_EXPORT BRepPrimAPI_MakeCone(const gp_Ax2& Axes, 0060 const double R1, 0061 const double R2, 0062 const double H); 0063 0064 //! Make a cone of height H radius R1 in the plane z = 0065 //! 0, R2 in the plane Z = H. R1 and R2 may be null. 0066 //! Take a section of <angle> 0067 //! Constructs a cone, or a portion of a cone, of height H, 0068 //! and radius R1 in the plane z = 0 and R2 in the plane 0069 //! z = H. The result is a sharp cone if R1 or R2 is equal to 0. 0070 //! The cone is constructed about the "Z Axis" of either: 0071 //! - the global coordinate system, or 0072 //! - the local coordinate system Axes. 0073 //! It is limited in these coordinate systems as follows: 0074 //! - in the v parametric direction (the Z coordinate), by 0075 //! the two parameter values 0 and H, 0076 //! - and in the u parametric direction (defined by the 0077 //! angle of rotation around the Z axis), in the case of a 0078 //! portion of a cone, by the two parameter values 0 and 0079 //! angle. Angle is given in radians. 0080 //! The resulting shape is composed of: 0081 //! - a lateral conical face 0082 //! - two planar faces in the planes z = 0 and z = H, 0083 //! or only one planar face in one of these two planes if a 0084 //! radius value is null (in the case of a complete cone, 0085 //! these faces are circles), and 0086 //! - and in the case of a portion of a cone, two planar 0087 //! faces to close the shape. (either two parallelograms or 0088 //! two triangles, in the planes u = 0 and u = angle). 0089 //! Exceptions 0090 //! Standard_DomainError if: 0091 //! - H is less than or equal to Precision::Confusion(), or 0092 //! - the half-angle at the apex of the cone, defined by 0093 //! R1, R2 and H, is less than Precision::Confusion()/H, or greater than 0094 //! (Pi/2)-Precision::Confusion()/H.f 0095 Standard_EXPORT BRepPrimAPI_MakeCone(const gp_Ax2& Axes, 0096 const double R1, 0097 const double R2, 0098 const double H, 0099 const double angle); 0100 0101 //! Returns the algorithm. 0102 Standard_EXPORT void* OneAxis() override; 0103 0104 //! Returns the algorithm. 0105 Standard_EXPORT BRepPrim_Cone& Cone(); 0106 0107 private: 0108 BRepPrim_Cone myCone; 0109 }; 0110 0111 #endif // _BRepPrimAPI_MakeCone_HeaderFile
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