X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAPI%2FGeomAPI_Circ2d.cpp;h=9871e60fb0387d510778839af5823d79d59a9234;hb=0448acdd8e8c1e1638a2cf861e42e915966b2034;hp=65ef9b10786b77808f75544a3097b726e9bfdee9;hpb=8dc74f82810d5f597b78633b457efb0ef4f89f9f;p=modules%2Fshaper.git

diff --git a/src/GeomAPI/GeomAPI_Circ2d.cpp b/src/GeomAPI/GeomAPI_Circ2d.cpp
index 65ef9b107..9871e60fb 100644
--- a/src/GeomAPI/GeomAPI_Circ2d.cpp
+++ b/src/GeomAPI/GeomAPI_Circ2d.cpp
@@ -1,3 +1,5 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
 // File:        GeomAPI_Circ2d.cpp
 // Created:     29 May 2014
 // Author:      Artem ZHIDKOV
@@ -41,55 +43,53 @@ static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY,
   return newCirc2d(theCenterX, theCenterY, aDir, aRadius);
 }
 
-GeomAPI_Circ2d::GeomAPI_Circ2d(const boost::shared_ptr<GeomAPI_Pnt2d>& theCenter,
-                               const boost::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
+GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
+                               const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
     : GeomAPI_Interface(
         newCirc2d(theCenter->x(), theCenter->y(), theCirclePoint->x(), theCirclePoint->y()))
 {
 }
 
-GeomAPI_Circ2d::GeomAPI_Circ2d(const boost::shared_ptr<GeomAPI_Pnt2d>& theCenter,
-                               const boost::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius)
+GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
+                               const std::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius)
     : GeomAPI_Interface(
         newCirc2d(theCenter->x(), theCenter->y(), theDir->impl<gp_Dir2d>(), theRadius))
 {
 
 }
 
-const boost::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
-    const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
+const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
+    const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
 {
-  boost::shared_ptr<GeomAPI_Pnt2d> aResult;
+  std::shared_ptr<GeomAPI_Pnt2d> aResult;
   if (!MY_CIRC2D)
-  return aResult;
-
-  Handle(Geom2d_Circle) aCircle = new Geom2d_Circle(MY_CIRC2D->Axis(), MY_CIRC2D->Radius());  //(aCirc);
+    return aResult;
 
+  const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
   const gp_Pnt2d& aPoint = thePoint->impl<gp_Pnt2d>();
 
-  Geom2dAPI_ProjectPointOnCurve aProj(aPoint, aCircle);
-  Standard_Integer aNbPoint = aProj.NbPoints();
-  double aX, anY;
-  if (aNbPoint > 0) {
-    double aMinDistance = 0, aDistance;
-    for (Standard_Integer j = 1; j <= aNbPoint; j++) {
-      gp_Pnt2d aNewPoint = aProj.Point(j);
-      aDistance = aNewPoint.Distance(aPoint);
-      if (!aMinDistance || aDistance < aMinDistance) {
-        aX = aNewPoint.X();
-        anY = aNewPoint.Y();
-        aMinDistance = aDistance;
-        aResult = boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
-      }
-    }
+  double aDist = aCenter.Distance(aPoint);
+  if (aDist < Precision::Confusion())
+    return aResult;
+
+  if (Abs(aDist - MY_CIRC2D->Radius()) < Precision::Confusion()) {
+    // Point on the circle
+    aResult = std::shared_ptr<GeomAPI_Pnt2d>(
+        new GeomAPI_Pnt2d(thePoint->x(), thePoint->y()));
+  } else {
+    gp_Dir2d aDir(aPoint.XY() - aCenter.XY());
+    gp_XY aNewPoint = aCenter.XY() + aDir.XY() * MY_CIRC2D->Radius();
+    aResult = std::shared_ptr<GeomAPI_Pnt2d>(
+        new GeomAPI_Pnt2d(aNewPoint.X(), aNewPoint.Y()));
   }
+
   return aResult;
 }
 
-const boost::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::center() const
+const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::center() const
 {
   const gp_Pnt2d& aCenter = MY_CIRC2D->Location();
-  return boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
+  return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aCenter.X(), aCenter.Y()));
 }
 
 double GeomAPI_Circ2d::radius() const