1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #include <GeomAPI_Circ2d.h>
21 #include <GeomAPI_Pnt2d.h>
22 #include <GeomAPI_Dir2d.h>
24 #include <gp_Circ2d.hxx>
25 #include <gp_Pnt2d.hxx>
26 #include <GeomLib_Tool.hxx>
27 #include <Geom2d_Circle.hxx>
28 #include <Precision.hxx>
30 #define MY_CIRC2D implPtr<gp_Circ2d>()
33 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY, const gp_Dir2d theDir,
34 const double theRadius)
36 gp_Pnt2d aCenter(theCenterX, theCenterY);
37 return new gp_Circ2d(gp_Ax2d(aCenter, theDir), theRadius);
40 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY,
41 const double thePointX, const double thePointY)
43 gp_Pnt2d aCenter(theCenterX, theCenterY);
44 gp_Pnt2d aPoint(thePointX, thePointY);
46 double aRadius = aCenter.Distance(aPoint);
48 if (aCenter.IsEqual(aPoint, Precision::Confusion()))
51 gp_Dir2d aDir(thePointX - theCenterX, thePointY - theCenterY);
53 return newCirc2d(theCenterX, theCenterY, aDir, aRadius);
58 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
59 const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
61 newCirc2d(theCenter->x(), theCenter->y(), theCirclePoint->x(), theCirclePoint->y()))
65 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
66 const std::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius)
68 newCirc2d(theCenter->x(), theCenter->y(), theDir->impl<gp_Dir2d>(), theRadius))
72 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
73 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
75 std::shared_ptr<GeomAPI_Pnt2d> aResult;
79 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
80 const gp_Pnt2d& aPoint = thePoint->impl<gp_Pnt2d>();
82 double aDist = aCenter.Distance(aPoint);
83 if (aDist < Precision::Confusion())
86 if (Abs(aDist - MY_CIRC2D->Radius()) < Precision::Confusion()) {
87 // Point on the circle
88 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
89 new GeomAPI_Pnt2d(thePoint->x(), thePoint->y()));
91 gp_Dir2d aDir(aPoint.XY() - aCenter.XY());
92 gp_XY aNewPoint = aCenter.XY() + aDir.XY() * MY_CIRC2D->Radius();
93 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
94 new GeomAPI_Pnt2d(aNewPoint.X(), aNewPoint.Y()));
100 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::center() const
103 return std::shared_ptr<GeomAPI_Pnt2d>();
104 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
105 return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
108 double GeomAPI_Circ2d::radius() const
112 return MY_CIRC2D->Radius();
115 //=================================================================================================
116 const bool GeomAPI_Circ2d::parameter(const std::shared_ptr<GeomAPI_Pnt2d> thePoint,
117 const double theTolerance,
118 double& theParameter) const
120 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
121 return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt2d>(),
122 theTolerance, theParameter) == Standard_True;
125 //=================================================================================================
126 void GeomAPI_Circ2d::D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
128 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
130 aCurve->D0(theU, aPnt);
131 thePoint.reset(new GeomAPI_Pnt2d(aPnt.X(), aPnt.Y()));