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_Circ.h>
23 #include <GeomAPI_Ax2.h>
24 #include <GeomAPI_Pnt.h>
25 #include <GeomAPI_Dir.h>
28 #include <gp_Circ.hxx>
32 #include <Geom_Circle.hxx>
33 #include <GeomAPI_ProjectPointOnCurve.hxx>
34 #include <GeomLib_Tool.hxx>
36 #define MY_CIRC implPtr<gp_Circ>()
38 static gp_Circ* newCirc(const gp_Pnt& theCenter, const gp_Dir& theDir, const double theRadius)
40 return new gp_Circ(gp_Ax2(theCenter, theDir), theRadius);
43 //=================================================================================================
44 GeomAPI_Circ::GeomAPI_Circ(const std::shared_ptr<GeomAPI_Ax2> theAx2,
45 const double theRadius)
46 : GeomAPI_Interface(new gp_Circ(theAx2->impl<gp_Ax2>(), theRadius))
52 //=================================================================================================
53 GeomAPI_Circ::GeomAPI_Circ(const std::shared_ptr<GeomAPI_Pnt>& theCenter,
54 const std::shared_ptr<GeomAPI_Dir>& theDir, double theRadius)
55 : GeomAPI_Interface(newCirc(theCenter->impl<gp_Pnt>(), theDir->impl<gp_Dir>(), theRadius))
59 //=================================================================================================
60 GeomAPI_Circ::GeomAPI_Circ(const GeomCurvePtr& theCurve)
62 Handle(Geom_Curve) aCurve = theCurve->impl<Handle(Geom_Curve)>();
63 Handle(Geom_Circle) aCirc = Handle(Geom_Circle)::DownCast(aCurve);
65 throw Standard_ConstructionError("GeomAPI_Circ: Curve is not a circle");
66 setImpl(new gp_Circ(aCirc->Circ()));
69 //=================================================================================================
70 const std::shared_ptr<GeomAPI_Pnt> GeomAPI_Circ::center() const
72 const gp_Pnt& aCenter = MY_CIRC->Location();
73 return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aCenter.X(), aCenter.Y(), aCenter.Z()));
76 //=================================================================================================
77 double GeomAPI_Circ::radius() const
79 return MY_CIRC->Radius();
82 //=================================================================================================
83 const std::shared_ptr<GeomAPI_Pnt> GeomAPI_Circ::project(
84 const std::shared_ptr<GeomAPI_Pnt>& thePoint) const
86 std::shared_ptr<GeomAPI_Pnt> aResult;
90 Handle(Geom_Circle) aCircle = new Geom_Circle(*MY_CIRC);
92 const gp_Pnt& aPoint = thePoint->impl<gp_Pnt>();
94 GeomAPI_ProjectPointOnCurve aProj(aPoint, aCircle);
95 Standard_Integer aNbPoint = aProj.NbPoints();
97 double aMinDistance = Precision::Infinite(), aDistance;
98 for (Standard_Integer j = 1; j <= aNbPoint; j++) {
99 gp_Pnt aNewPoint = aProj.Point(j);
100 aDistance = aNewPoint.Distance(aPoint);
101 if (aDistance < aMinDistance) {
102 aMinDistance = aDistance;
103 aResult = std::shared_ptr<GeomAPI_Pnt>(
104 new GeomAPI_Pnt(aNewPoint.X(), aNewPoint.Y(), aNewPoint.Z()));
111 //=================================================================================================
112 const bool GeomAPI_Circ::parameter(const std::shared_ptr<GeomAPI_Pnt> thePoint,
113 const double theTolerance,
114 double& theParameter) const
116 Handle(Geom_Circle) aCurve = new Geom_Circle(*MY_CIRC);
117 return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt>(),
118 theTolerance, theParameter) == Standard_True;
121 //=================================================================================================
122 std::shared_ptr<GeomAPI_Dir> GeomAPI_Circ::normal() const
124 const gp_Ax1& anAxis = MY_CIRC->Axis();
125 const gp_Dir& aDir = anAxis.Direction();
126 return std::shared_ptr<GeomAPI_Dir>(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));