1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: GeomAPI_Circ2d.cpp
4 // Created: 29 May 2014
5 // Author: Artem ZHIDKOV
7 #include <GeomAPI_Circ2d.h>
8 #include <GeomAPI_Pnt2d.h>
9 #include <GeomAPI_Dir2d.h>
11 #include <gp_Dir2d.hxx>
12 #include <gp_Circ2d.hxx>
13 #include <gp_Pnt2d.hxx>
14 #include <gp_Ax2d.hxx>
15 #include <GeomLib_Tool.hxx>
16 #include <Geom2d_Circle.hxx>
17 #include <Geom2dAPI_ProjectPointOnCurve.hxx>
18 #include <Precision.hxx>
20 #include <IntAna2d_AnaIntersection.hxx>
22 #define MY_CIRC2D implPtr<gp_Circ2d>()
24 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY, const gp_Dir2d theDir,
25 const double theRadius)
27 gp_Pnt2d aCenter(theCenterX, theCenterY);
28 return new gp_Circ2d(gp_Ax2d(aCenter, theDir), theRadius);
31 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY,
32 const double thePointX, const double thePointY)
34 gp_Pnt2d aCenter(theCenterX, theCenterY);
35 gp_Pnt2d aPoint(thePointX, thePointY);
37 double aRadius = aCenter.Distance(aPoint);
39 if (aCenter.IsEqual(aPoint, Precision::Confusion()))
42 gp_Dir2d aDir(theCenterX - thePointX, theCenterY - thePointY);
44 return newCirc2d(theCenterX, theCenterY, aDir, aRadius);
47 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
48 const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
50 newCirc2d(theCenter->x(), theCenter->y(), theCirclePoint->x(), theCirclePoint->y()))
54 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
55 const std::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius)
57 newCirc2d(theCenter->x(), theCenter->y(), theDir->impl<gp_Dir2d>(), theRadius))
62 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
63 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
65 std::shared_ptr<GeomAPI_Pnt2d> aResult;
69 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
70 const gp_Pnt2d& aPoint = thePoint->impl<gp_Pnt2d>();
72 double aDist = aCenter.Distance(aPoint);
73 if (aDist < Precision::Confusion())
76 if (Abs(aDist - MY_CIRC2D->Radius()) < Precision::Confusion()) {
77 // Point on the circle
78 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
79 new GeomAPI_Pnt2d(thePoint->x(), thePoint->y()));
81 gp_Dir2d aDir(aPoint.XY() - aCenter.XY());
82 gp_XY aNewPoint = aCenter.XY() + aDir.XY() * MY_CIRC2D->Radius();
83 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
84 new GeomAPI_Pnt2d(aNewPoint.X(), aNewPoint.Y()));
90 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::center() const
92 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
93 return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
96 double GeomAPI_Circ2d::radius() const
98 return MY_CIRC2D->Radius();
101 //=================================================================================================
102 const bool GeomAPI_Circ2d::parameter(const std::shared_ptr<GeomAPI_Pnt2d> thePoint,
103 const double theTolerance,
104 double& theParameter) const
106 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
107 return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt2d>(), theTolerance, theParameter) == Standard_True;
110 //=================================================================================================
111 void GeomAPI_Circ2d::D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
113 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
115 aCurve->D0(theU, aPnt);
116 thePoint.reset(new GeomAPI_Pnt2d(aPnt.X(), aPnt.Y()));