X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAPI%2FGeomAPI_Circ2d.h;h=42e47defaba1018dcc460823afbae2dd476b5ac7;hb=bdbfb368d71ed11cc0391354a7d86c880cd94949;hp=1226a5f78f20cb3553b337d65f25271ac236bb78;hpb=a3508b5b0db5dd5857049f3f046bd628030d9bb9;p=modules%2Fshaper.git

diff --git a/src/GeomAPI/GeomAPI_Circ2d.h b/src/GeomAPI/GeomAPI_Circ2d.h
index 1226a5f78..42e47defa 100644
--- a/src/GeomAPI/GeomAPI_Circ2d.h
+++ b/src/GeomAPI/GeomAPI_Circ2d.h
@@ -10,8 +10,10 @@
 #include <GeomAPI_Interface.h>
 #include <memory>
 
+class GeomAPI_Ax3;
 class GeomAPI_Pnt2d;
 class GeomAPI_Dir2d;
+class GeomAPI_Shape;
 
 /**\class GeomAPI_Circ2d
  * \ingroup DataModel
@@ -22,27 +24,48 @@ class GeomAPI_Circ2d : public GeomAPI_Interface
 {
  public:
   /// Creation of circle defined by center point and circle radius
-  GEOMAPI_EXPORT 
+  GEOMAPI_EXPORT
   GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
                  const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint);
 
   /// Creation of circle defined by center point, direction and circle radius
-  GEOMAPI_EXPORT 
+  GEOMAPI_EXPORT
   GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
                  const std::shared_ptr<GeomAPI_Dir2d>& theDir, double theRadius);
 
   /// Return center of the circle
-  GEOMAPI_EXPORT 
+  GEOMAPI_EXPORT
   const std::shared_ptr<GeomAPI_Pnt2d> center() const;
 
   /// Return radius of the circle
-  GEOMAPI_EXPORT 
+  GEOMAPI_EXPORT
   double radius() const;
 
   /// Project point on line
-  GEOMAPI_EXPORT 
+  GEOMAPI_EXPORT
   const std::shared_ptr<GeomAPI_Pnt2d> project(
       const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const;
+
+  /** \brief Computes the parameter of a given point on a circle. The point must be
+   *         located either on the circle itself or relatively to the latter
+   *         at a distance less than the tolerance value. Return FALSE if the point
+   *         is beyond the tolerance limit or if computation fails.
+   *         Max Tolerance value is currently limited to 1.e-4
+   *  \param[in] thePoint point of origin.
+   *  \param[in] theTolerance tolerance of computation.
+   *  \param[out] theParameter resulting parameter.
+   */
+  GEOMAPI_EXPORT const bool parameter(const std::shared_ptr<GeomAPI_Pnt2d> thePoint,
+                                      const double theTolerance,
+                                      double& theParameter) const;
+
+  /** \brief Returns in thePoint the point of parameter theU.
+   *  P = C + R * Cos (U) * XDir + R * Sin (U) * YDir where C is the center of the circle,
+   *  XDir the XDirection and YDir the YDirection of the circle's local coordinate system.
+   *  \param[in] theU parameter.
+   *  \param[out] thePoint resulting point.
+   */
+  GEOMAPI_EXPORT void D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
 };
 
 #endif