Scaling_repS2< FT > Class Template Reference

#include <Aff_transformationS2.h>

Inheritance diagram for Scaling_repS2< FT >:

Collaboration diagram for Scaling_repS2< FT >:

Public Member Functions
	Scaling_repS2 ()
	Scaling_repS2 (const FT &scalefactor)
	~Scaling_repS2 ()
PointS2< FT >	transform (const PointS2< FT > &p) const
VectorS2< FT >	transform (const VectorS2< FT > &p) const
DirectionS2< FT >	transform (const DirectionS2< FT > &d) const
Aff_transformationS2< FT >	operator* (const Aff_transformation_rep_baseS2< FT > &t)
Aff_transformationS2< FT >	compose (const Translation_repS2< FT > &t) const
virtual Aff_transformationS2< FT >	compose (const Rotation_repS2< FT > &t) const
virtual Aff_transformationS2< FT >	compose (const Scaling_repS2< FT > &t) const
virtual Aff_transformationS2< FT >	compose (const Aff_transformation_repS2< FT > &t) const
Aff_transformationS2< FT >	inverse () const
virtual bool	is_even () const
virtual FT	cartesian (int i, int j) const
virtual std::ostream &	print (std::ostream &os) const
Public Member Functions inherited from Aff_transformation_rep_baseS2< FT >
virtual	~Aff_transformation_rep_baseS2 ()

Private Attributes
FT	_scalefactor

Friends
class	Aff_transformation_repS2< FT >
class	Rotation_repS2< FT >
class	Translation_repS2< FT >

Additional Inherited Members
Protected Member Functions inherited from Leda_like_rep
	Leda_like_rep ()
virtual	~Leda_like_rep ()
Protected Attributes inherited from Leda_like_rep
int	count

Detailed Description

template<class FT>
class Scaling_repS2< FT >

Definition at line 77 of file Aff_transformationS2.h.

Constructor & Destructor Documentation

Scaling_repS2 ( )

inline

Definition at line 582 of file Aff_transformationS2.h.

  {}

Scaling_repS2 ( const FT &  scalefactor )

inline

Definition at line 585 of file Aff_transformationS2.h.

                                       :
    _scalefactor(scalefactor)
  {}

~Scaling_repS2 ( )

inline

Definition at line 589 of file Aff_transformationS2.h.

  {}

Member Function Documentation

virtual FT cartesian ( int  i, int  j  ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 672 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor.

  {
    if (i!=j) return FT(0);
    return (i==2) ? FT(1) : _scalefactor;
  }

Aff_transformationS2<FT> compose ( const Translation_repS2< FT > &  t ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 622 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, and Translation_repS2< FT >::_translationvector.

  {
    FT ft0(0);

    return Aff_transformationS2<FT>(_scalefactor,
                                    ft0,
                                    t._translationvector.x(),

                                    ft0,
                                    _scalefactor,
                                    t._translationvector.y());
  }

virtual Aff_transformationS2<FT> compose ( const Rotation_repS2< FT > &  t ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 635 of file Aff_transformationS2.h.

References Rotation_repS2< FT >::_cosinus, Scaling_repS2< FT >::_scalefactor, and Rotation_repS2< FT >::_sinus.

  {
    return Aff_transformationS2<FT>(_scalefactor * t._cosinus,
                                    _scalefactor * -t._sinus,

                                    _scalefactor * t._sinus,
                                    _scalefactor * t._cosinus);
  }

virtual Aff_transformationS2<FT> compose ( const Scaling_repS2< FT > &  t ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 644 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, and SCALING.

  {
    return Aff_transformationS2<FT>(SCALING, _scalefactor*t._scalefactor);
  }

virtual Aff_transformationS2<FT> compose ( const Aff_transformation_repS2< FT > &  t ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 649 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, Aff_transformation_repS2< FT >::t11, Aff_transformation_repS2< FT >::t12, Aff_transformation_repS2< FT >::t13, Aff_transformation_repS2< FT >::t21, Aff_transformation_repS2< FT >::t22, and Aff_transformation_repS2< FT >::t23.

  {
    return Aff_transformationS2<FT>(_scalefactor * t.t11,
                                    _scalefactor * t.t12,
                                     t.t13,

                                    _scalefactor * t.t21,
                                    _scalefactor * t.t22,
                                     t.t23);
  }

Aff_transformationS2<FT> inverse ( ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 662 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, and SCALING.

  {
    return Aff_transformationS2<FT>(SCALING, FT(1)/_scalefactor);
  }

virtual bool is_even ( ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 667 of file Aff_transformationS2.h.

  {
    return true;
  }

Aff_transformationS2<FT> operator* ( const Aff_transformation_rep_baseS2< FT > &  t )

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 616 of file Aff_transformationS2.h.

References Aff_transformation_rep_baseS2< FT >::compose().

  {
   return t.compose(*this);
  }

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virtual std::ostream& print ( std::ostream &  os ) const

inlinevirtual

Definition at line 678 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor.

  {
    os << "Aff_transformationS2(" << _scalefactor <<  ")";
    return os;
  }

PointS2<FT> transform ( const PointS2< FT > &  p ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 592 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, PointS2< FT >::x(), and PointS2< FT >::y().

  {
    return PointS2<FT>(_scalefactor * p.x(), _scalefactor * p.y());
  }

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VectorS2<FT> transform ( const VectorS2< FT > &  p ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 597 of file Aff_transformationS2.h.

References Scaling_repS2< FT >::_scalefactor, VectorS2< FT >::x(), and VectorS2< FT >::y().

  {
    return VectorS2<FT>(_scalefactor * p.x(), _scalefactor * p.y());
  }

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DirectionS2<FT> transform ( const DirectionS2< FT > &  d ) const

inlinevirtual

Implements Aff_transformation_rep_baseS2< FT >.

Definition at line 602 of file Aff_transformationS2.h.

References d.

  {
    return d;
  }

Friends And Related Function Documentation

friend class Aff_transformation_repS2< FT >

friend

Definition at line 577 of file Aff_transformationS2.h.

friend class Rotation_repS2< FT >

friend

Definition at line 578 of file Aff_transformationS2.h.

friend class Translation_repS2< FT >

friend

Definition at line 579 of file Aff_transformationS2.h.

Member Data Documentation

FT _scalefactor

private

Definition at line 685 of file Aff_transformationS2.h.

Referenced by Scaling_repS2< FT >::cartesian(), Aff_transformation_repS2< FT >::compose(), Translation_repS2< FT >::compose(), Rotation_repS2< FT >::compose(), Scaling_repS2< FT >::compose(), Scaling_repS2< FT >::inverse(), Scaling_repS2< FT >::print(), and Scaling_repS2< FT >::transform().

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The documentation for this class was generated from the following file:

• Aff_transformationS2.h