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File indexing completed on 2026-09-28 09:19:59
0001 // Created on: 1992-09-28 0002 // Created by: Remi GILET 0003 // Copyright (c) 1992-1999 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 _GC_MakeArcOfHyperbola2d_HeaderFile 0018 #define _GC_MakeArcOfHyperbola2d_HeaderFile 0019 0020 #include <Standard.hxx> 0021 #include <Standard_DefineAlloc.hxx> 0022 #include <Standard_Handle.hxx> 0023 0024 #include <GC_Root.hxx> 0025 #include <Geom2d_TrimmedCurve.hxx> 0026 0027 class gp_Hypr2d; 0028 class gp_Pnt2d; 0029 0030 //! This class implements construction algorithms for arcs of hyperbolas in the plane. 0031 //! The result is a `Geom2d_TrimmedCurve`. 0032 //! A `GC_MakeArcOfHyperbola2d` object provides a framework for: 0033 //! - defining the construction parameters; 0034 //! - running the construction algorithm; 0035 //! - querying the construction status and the resulting arc via `Value()`. 0036 //! @note Angular parameters are expressed in radians. 0037 class GC_MakeArcOfHyperbola2d : public GC_Root 0038 { 0039 public: 0040 DEFINE_STANDARD_ALLOC 0041 0042 //! Constructs an arc from angular bounds on a hyperbola. 0043 //! @param[in] theHyperbola source hyperbola 0044 //! @param[in] theAlpha1 first angle (radians) 0045 //! @param[in] theAlpha2 second angle (radians) 0046 //! @param[in] theSense orientation of resulting arc 0047 Standard_EXPORT GC_MakeArcOfHyperbola2d(const gp_Hypr2d& theHyperbola, 0048 const double theAlpha1, 0049 const double theAlpha2, 0050 const bool theSense = true); 0051 0052 //! Constructs an arc from a point and angular bound on a hyperbola. 0053 //! @param[in] theHyperbola source hyperbola 0054 //! @param[in] thePoint point on source hyperbola 0055 //! @param[in] theAlpha angle value (radians) 0056 //! @param[in] theSense orientation of resulting arc 0057 Standard_EXPORT GC_MakeArcOfHyperbola2d(const gp_Hypr2d& theHyperbola, 0058 const gp_Pnt2d& thePoint, 0059 const double theAlpha, 0060 const bool theSense = true); 0061 0062 //! Constructs an arc between two points on a hyperbola. 0063 //! @param[in] theHyperbola source hyperbola 0064 //! @param[in] theP1 first point on source hyperbola 0065 //! @param[in] theP2 second point on source hyperbola 0066 //! @param[in] theSense orientation of resulting arc 0067 //! @note Orientation is trigonometric when `theSense` is true, 0068 //! otherwise opposite. 0069 //! @note IsDone always returns true. 0070 Standard_EXPORT GC_MakeArcOfHyperbola2d(const gp_Hypr2d& theHyperbola, 0071 const gp_Pnt2d& theP1, 0072 const gp_Pnt2d& theP2, 0073 const bool theSense = true); 0074 0075 //! Returns the constructed arc of hyperbola. 0076 //! @return resulting trimmed curve 0077 Standard_EXPORT const occ::handle<Geom2d_TrimmedCurve>& Value() const; 0078 0079 //! Conversion operator returning the constructed object. 0080 //! @return resulting trimmed curve 0081 operator const occ::handle<Geom2d_TrimmedCurve>&() const { return Value(); } 0082 0083 private: 0084 occ::handle<Geom2d_TrimmedCurve> TheArc; 0085 }; 0086 0087 #endif // _GC_MakeArcOfHyperbola2d_HeaderFile
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