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//File gp_Circ2d.lxx
#include <Standard_ConstructionError.hxx>
inline gp_Circ2d::gp_Circ2d () : radius(RealLast())
{ }
inline gp_Circ2d::gp_Circ2d (const gp_Ax2d& XAxis,
const Standard_Real Radius,
const Standard_Boolean Sense) : radius(Radius)
{
Standard_ConstructionError_Raise_if(Radius < 0.0,"");
pos = gp_Ax22d(XAxis,Sense);
}
inline gp_Circ2d::gp_Circ2d (const gp_Ax22d& Axis,
const Standard_Real Radius) :
pos(Axis),
radius(Radius)
{ Standard_ConstructionError_Raise_if(Radius < 0.0,""); }
inline void gp_Circ2d::SetLocation (const gp_Pnt2d& P)
{ pos.SetLocation (P); }
inline void gp_Circ2d::SetXAxis (const gp_Ax2d& A)
{ pos.SetXAxis(A); }
inline void gp_Circ2d::SetAxis (const gp_Ax22d& A)
{ pos.SetAxis(A);}
inline void gp_Circ2d::SetYAxis (const gp_Ax2d& A)
{ pos.SetYAxis(A); }
inline void gp_Circ2d::SetRadius (const Standard_Real Radius)
{
Standard_ConstructionError_Raise_if(Radius < 0.0,"");
radius = Radius;
}
inline Standard_Real gp_Circ2d::Area() const
{ return Standard_PI*radius*radius; }
inline void gp_Circ2d::Coefficients (Standard_Real& A,
Standard_Real& B,
Standard_Real& C,
Standard_Real& D,
Standard_Real& E,
Standard_Real& F) const
{
Standard_Real Xc = pos.Location().X();
Standard_Real Yc = pos.Location().Y();
A = 1.0;
B = 1.0;
C = 0.0;
D = - Xc;
E = - Yc;
F = Xc * Xc + Yc * Yc - radius * radius;
}
inline Standard_Boolean gp_Circ2d::Contains
(const gp_Pnt2d& P,
const Standard_Real LinearTolerance) const
{ return Distance(P) <= LinearTolerance; }
inline Standard_Real gp_Circ2d::Distance (const gp_Pnt2d& P) const
{
gp_XY Coord = P.XY();
Coord.Subtract (pos.Location().XY());
Standard_Real D = radius - Coord.Modulus();
if (D < 0) D = - D;
return D;
}
inline Standard_Real gp_Circ2d::SquareDistance (const gp_Pnt2d& P) const
{
gp_XY Coord = P.XY();
Coord.Subtract (pos.Location().XY());
Standard_Real D = radius - Coord.Modulus();
return D * D;
}
inline Standard_Real gp_Circ2d::Length() const
{ return 2.*Standard_PI*radius; }
inline const gp_Pnt2d& gp_Circ2d::Location () const
{return pos.Location(); }
inline Standard_Real gp_Circ2d::Radius() const
{ return radius; }
inline const gp_Ax22d& gp_Circ2d::Axis () const
{ return pos; }
inline const gp_Ax22d& gp_Circ2d::Position () const
{ return pos; }
inline gp_Ax2d gp_Circ2d::XAxis () const
{ return gp_Ax2d (pos.XAxis()); }
inline gp_Ax2d gp_Circ2d::YAxis () const
{ return gp_Ax2d (pos.YAxis()); }
inline void gp_Circ2d::Reverse()
{
gp_Dir2d Temp = pos.YDirection ();
Temp.Reverse ();
pos.SetAxis(gp_Ax22d(pos.Location(),pos.XDirection(),Temp));
}
inline gp_Circ2d gp_Circ2d::Reversed() const
{
gp_Circ2d C = *this;
gp_Dir2d Temp = pos.YDirection ();
Temp.Reverse ();
C.pos.SetAxis(gp_Ax22d(pos.Location(),pos.XDirection(),Temp));
return C;
}
inline Standard_Boolean gp_Circ2d::IsDirect() const
{ return (pos.XDirection().Crossed(pos.YDirection())) >= 0.0; }
inline void gp_Circ2d::Rotate (const gp_Pnt2d& P,
const Standard_Real Ang)
{pos.Rotate (P, Ang);}
inline gp_Circ2d gp_Circ2d::Rotated (const gp_Pnt2d& P,
const Standard_Real Ang) const
{
gp_Circ2d C = *this;
C.pos.Rotate (P, Ang);
return C;
}
inline void gp_Circ2d::Scale (const gp_Pnt2d& P,
const Standard_Real S)
{
radius *= S;
if (radius < 0) radius = - radius;
pos.Scale(P, S);
}
inline gp_Circ2d gp_Circ2d::Scaled (const gp_Pnt2d& P,
const Standard_Real S) const
{
gp_Circ2d C = *this;
C.radius *= S;
if (C.radius < 0) C.radius = - C.radius;
C.pos.Scale(P, S);
return C;
}
inline void gp_Circ2d::Transform (const gp_Trsf2d& T)
{
radius *= T.ScaleFactor();
if (radius < 0) radius = - radius;
pos.Transform(T);
}
inline gp_Circ2d gp_Circ2d::Transformed (const gp_Trsf2d& T) const
{
gp_Circ2d C = *this;
C.radius *= T.ScaleFactor();
if (C.radius < 0) C.radius = - C.radius;
C.pos.Transform(T);
return C;
}
inline void gp_Circ2d::Translate (const gp_Vec2d& V)
{ pos.Translate(V); }
inline gp_Circ2d gp_Circ2d::Translated (const gp_Vec2d& V) const
{
gp_Circ2d C = *this;
C.pos.Translate(V);
return C;
}
inline void gp_Circ2d::Translate (const gp_Pnt2d& P1,
const gp_Pnt2d& P2)
{ pos.Translate(P1, P2); }
inline gp_Circ2d gp_Circ2d::Translated (const gp_Pnt2d& P1,
const gp_Pnt2d& P2) const
{
gp_Circ2d C = *this;
C.pos.Translate(P1, P2);
return C;
}
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