-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: GeomAPI_Circ2d.cpp
-// Created: 29 May 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2019 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
#include <GeomAPI_Circ2d.h>
#include <GeomAPI_Pnt2d.h>
#include <GeomAPI_Dir2d.h>
-#include <gp_Dir2d.hxx>
#include <gp_Circ2d.hxx>
#include <gp_Pnt2d.hxx>
-#include <gp_Ax2d.hxx>
#include <GeomLib_Tool.hxx>
#include <Geom2d_Circle.hxx>
-#include <Geom2dAPI_ProjectPointOnCurve.hxx>
#include <Precision.hxx>
-#include <IntAna2d_AnaIntersection.hxx>
-
#define MY_CIRC2D implPtr<gp_Circ2d>()
+
static gp_Circ2d* newCirc2d(const double theCenterX, const double theCenterY, const gp_Dir2d theDir,
const double theRadius)
{
return newCirc2d(theCenterX, theCenterY, aDir, aRadius);
}
-static gp_Circ2d* newCirc2d(const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theThirdPoint)
-{
- gp_XY aFirstPnt(theFirstPoint->x(), theFirstPoint->y());
- gp_XY aSecondPnt(theSecondPoint->x(), theSecondPoint->y());
- gp_XY aThirdPnt(theThirdPoint->x(), theThirdPoint->y());
-
- gp_XY aVec12 = aSecondPnt - aFirstPnt;
- gp_XY aVec23 = aThirdPnt - aSecondPnt;
- gp_XY aVec31 = aFirstPnt - aThirdPnt;
-
- // coefficients to calculate center
- double aCoeff1, aCoeff2, aCoeff3;
-
- // square of parallelogram
- double aSquare2 = aVec12.Crossed(aVec23);
- aSquare2 *= aSquare2 * 2.0;
- if (aSquare2 < 1.e-20) {
- // if two points are equal, build a circle on two different points as on diameter
- double aSqLen12 = aVec12.SquareModulus();
- double aSqLen23 = aVec23.SquareModulus();
- double aSqLen31 = aVec31.SquareModulus();
- if (aSqLen12 < Precision::SquareConfusion() &&
- aSqLen23 < Precision::SquareConfusion() &&
- aSqLen31 < Precision::SquareConfusion())
- return NULL;
- aCoeff1 = aCoeff2 = aCoeff3 = 1.0 / 3.0;
- }
- else {
- aCoeff1 = aVec23.Dot(aVec23) / aSquare2 * aVec12.Dot(aVec31.Reversed());
- aCoeff2 = aVec31.Dot(aVec31) / aSquare2 * aVec23.Dot(aVec12.Reversed());
- aCoeff3 = aVec12.Dot(aVec12) / aSquare2 * aVec31.Dot(aVec23.Reversed());
- }
- // center
- gp_XY aCenter = aFirstPnt * aCoeff1 + aSecondPnt * aCoeff2 + aThirdPnt * aCoeff3;
- // radius
- double aRadius = (aFirstPnt - aCenter).Modulus();
- gp_Dir2d aDir(aFirstPnt - aCenter);
- return newCirc2d(aCenter.X(), aCenter.Y(), aDir, aRadius);
-}
GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theCenter,
const std::shared_ptr<GeomAPI_Pnt2d>& theCirclePoint)
{
}
-GeomAPI_Circ2d::GeomAPI_Circ2d(const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint,
- const std::shared_ptr<GeomAPI_Pnt2d>& theThirdPoint)
- : GeomAPI_Interface(newCirc2d(theFirstPoint, theSecondPoint, theThirdPoint))
-{
-}
-
const std::shared_ptr<GeomAPI_Pnt2d> GeomAPI_Circ2d::project(
const std::shared_ptr<GeomAPI_Pnt2d>& thePoint) const
{
double& theParameter) const
{
Handle(Geom2d_Circle) aCurve = new Geom2d_Circle(*MY_CIRC2D);
- return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt2d>(), theTolerance, theParameter) == Standard_True;
+ return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt2d>(),
+ theTolerance, theParameter) == Standard_True;
}
//=================================================================================================