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
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include <GeomAPI_Circ2d.h>
22 #include <GeomAPI_Pnt2d.h>
23 #include <GeomAPI_Dir2d.h>
25 #include <gp_Circ2d.hxx>
26 #include <gp_Pnt2d.hxx>
27 #include <GeomLib_Tool.hxx>
28 #include <Geom2d_Circle.hxx>
29 #include <Precision.hxx>
31 #define MY_CIRC2D implPtr<gp_Circ2d>()
34 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY, const gp_Dir2d theDir,
35 const double theRadius)
37 gp_Pnt2d aCenter(theCenterX, theCenterY);
38 return new gp_Circ2d(gp_Ax2d(aCenter, theDir), theRadius);
41 static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY,
42 const double thePointX, const double thePointY)
44 gp_Pnt2d aCenter(theCenterX, theCenterY);
45 gp_Pnt2d aPoint(thePointX, thePointY);
47 double aRadius = aCenter.Distance(aPoint);
49 if (aCenter.IsEqual(aPoint, Precision::Confusion()))
52 gp_Dir2d aDir(thePointX - theCenterX, thePointY - theCenterY);
54 return newCirc2d(theCenterX, theCenterY, aDir, aRadius);
59 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
60 const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
62 newCirc2d(theCenter->x(), theCenter->y(), theCirclePoint->x(), theCirclePoint->y()))
66 GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
67 const std::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius)
69 newCirc2d(theCenter->x(), theCenter->y(), theDir->impl<gp_Dir2d>(), theRadius))
73 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
74 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
76 std::shared_ptr<GeomAPI_Pnt2d> aResult;
80 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
81 const gp_Pnt2d& aPoint = thePoint->impl<gp_Pnt2d>();
83 double aDist = aCenter.Distance(aPoint);
84 if (aDist < Precision::Confusion())
87 if (Abs(aDist - MY_CIRC2D->Radius()) < Precision::Confusion()) {
88 // Point on the circle
89 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
90 new GeomAPI_Pnt2d(thePoint->x(), thePoint->y()));
92 gp_Dir2d aDir(aPoint.XY() - aCenter.XY());
93 gp_XY aNewPoint = aCenter.XY() + aDir.XY() * MY_CIRC2D->Radius();
94 aResult = std::shared_ptr<GeomAPI_Pnt2d>(
95 new GeomAPI_Pnt2d(aNewPoint.X(), aNewPoint.Y()));
101 const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::center() const
104 return std::shared_ptr<GeomAPI_Pnt2d>();
105 const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
106 return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
109 double GeomAPI_Circ2d::radius() const
113 return MY_CIRC2D->Radius();
116 //=================================================================================================
117 const bool GeomAPI_Circ2d::parameter(const std::shared_ptr<GeomAPI_Pnt2d> thePoint,
118 const double theTolerance,
119 double& theParameter) const
121 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
122 return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt2d>(),
123 theTolerance, theParameter) == Standard_True;
126 //=================================================================================================
127 void GeomAPI_Circ2d::D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
129 Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
131 aCurve->D0(theU, aPnt);
132 thePoint.reset(new GeomAPI_Pnt2d(aPnt.X(), aPnt.Y()));