Standard_Boolean Graphic2d_Circle::Pick(const Standard_ShortReal X,const Standard_ShortReal Y,const Standard_ShortReal aPrecision,const Handle(Graphic2d_Drawer)& aDrawer)
{
	Standard_ShortReal SRX = X, SRY = Y;

	if(myGOPtr->IsTransformed())
	{
		gp_GTrsf2d aTrsf = (myGOPtr->Transform()).Inverted();
		Standard_Real RX = Standard_Real (SRX), RY = Standard_Real (SRY);
		aTrsf.Transforms( RX, RY );
		SRX = Standard_ShortReal( RX ); 
		SRY = Standard_ShortReal( RY );
	}


	Standard_Real RDistance = Sqrt((myX - SRX)*(myX - SRX) + (myY - SRY)*(myY - SRY));

	if(RDistance == 0.)
	{
		return Standard_True;
	}
	
	if((RDistance - myRadius) < aPrecision)
	{
		if(Abs(myFirstAngle - mySecondAngle) >= 2*Standard_PI)
		{
			return Standard_True;
		}
		else
		{
			gp_Dir2d Vector2DPick(SRX - myX, SRY - myY);
			gp_Dir2d Vector2DAlpha(Cos(myFirstAngle), Sin(myFirstAngle));
			gp_Dir2d Vector2DBeta(Cos(mySecondAngle), Sin(mySecondAngle));

			if(Vector2DPick.Angle(Vector2DAlpha) >= 0 && Vector2DPick.Angle(Vector2DBeta)<=0)
			{
				return Standard_True;
			}
		}
	}

	return Standard_False;
}