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Translation< _Scalar, _Dim > Class Template Reference
Public Types | Public Member Functions | Friends

Translation< _Scalar, _Dim > Class Template Reference
[Geometry module]

More...

#include <Translation.h>

Public Types

typedef _Scalar Scalar
 the scalar type of the coefficients
typedef Matrix< Scalar, Dim, 1 > VectorType
 corresponding vector type
typedef Matrix< Scalar, Dim, Dim > LinearMatrixType
 corresponding linear transformation matrix type
typedef Transform< Scalar, Dim,
Affine > 		AffineTransformType
 corresponding affine transformation type
typedef Transform< Scalar, Dim,
Isometry > 		IsometryTransformType
 corresponding isometric transformation type

Public Member Functions

 EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE (_Scalar, _Dim) enum
 dimension of the space
 Translation ()
 Default constructor without initialization.
 Translation (const VectorType &vector)
 Constructs and initialize the translation transformation from a vector of translation coefficients.
Scalar x () const
 Retruns the x-translation by value.
Scalar y () const
 Retruns the y-translation by value.
Scalar z () const
 Retruns the z-translation by value.
Scalar & x ()
 Retruns the x-translation as a reference.
Scalar & y ()
 Retruns the y-translation as a reference.
Scalar & z ()
 Retruns the z-translation as a reference.
Translation operator* (const Translation &other) const
 Concatenates two translation.
AffineTransformType operator* (const UniformScaling< Scalar > &other) const
 Concatenates a translation and a uniform scaling.
template<typename OtherDerived >
AffineTransformType operator* (const EigenBase< OtherDerived > &linear) const
 Concatenates a translation and a linear transformation.
template<typename Derived >
IsometryTransformType operator* (const RotationBase< Derived, Dim > &r) const
 Concatenates a translation and a rotation.
template<int Mode, int Options>
Transform< Scalar, Dim, Mode > operator* (const Transform< Scalar, Dim, Mode, Options > &t) const
 Concatenates a translation and a transformation.
VectorType operator* (const VectorType &other) const
 Applies translation to vector.
Translation inverse () const
template<typename NewScalarType >
internal::cast_return_type
< Translation, Translation
< NewScalarType, Dim > >::type 		cast () const
template<typename OtherScalarType >
 Translation (const Translation< OtherScalarType, Dim > &other)
 Copy constructor with scalar type conversion.
bool isApprox (const Translation &other, const typename NumTraits< Scalar >::Real &prec=NumTraits< Scalar >::dummy_precision()) const

Friends

template<typename OtherDerived >
AffineTransformType operator* (const EigenBase< OtherDerived > &linear, const Translation &t)

Detailed Description

template<typename _Scalar, int _Dim>
class Eigen::Translation< _Scalar, _Dim >

Represents a translation transformation

Parameters:
_Scalarthe scalar type, i.e., the type of the coefficients.
_Dimthe dimension of the space, can be a compile time value or Dynamic
Note:
This class is not aimed to be used to store a translation transformation, but rather to make easier the constructions and updates of Transform objects.
See also:
class Scaling, class Transform

Definition at line 30 of file Translation.h.

Member Typedef Documentation

typedef Transform<Scalar,Dim,Affine> AffineTransformType

corresponding affine transformation type

Definition at line 43 of file Translation.h.

typedef Transform<Scalar,Dim,Isometry> IsometryTransformType

corresponding isometric transformation type

Definition at line 45 of file Translation.h.

typedef Matrix<Scalar,Dim,Dim> LinearMatrixType

corresponding linear transformation matrix type

Definition at line 41 of file Translation.h.

typedef _Scalar Scalar

the scalar type of the coefficients

Definition at line 35 of file Translation.h.

typedef Matrix<Scalar,Dim,1> VectorType

corresponding vector type

Definition at line 39 of file Translation.h.

Constructor & Destructor Documentation

Translation (  )

Default constructor without initialization.

Definition at line 54 of file Translation.h.

Translation ( const VectorType &  vector ) [explicit]

Constructs and initialize the translation transformation from a vector of translation coefficients.

Definition at line 71 of file Translation.h.

Translation ( const Translation< OtherScalarType, Dim > &  other ) [explicit]

Copy constructor with scalar type conversion.

Definition at line 158 of file Translation.h.

Member Function Documentation

internal::cast_return_type<Translation,Translation<NewScalarType,Dim> >::type cast (  ) const
Returns:
*this with scalar type casted to NewScalarType

Note that if NewScalarType is equal to the current scalar type of *this then this function smartly returns a const reference to *this.

Definition at line 153 of file Translation.h.

EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE ( _Scalar  ,
_Dim   
)

dimension of the space

Definition at line 33 of file Translation.h.

Translation inverse (  ) const
Returns:
the inverse translation (opposite)

Definition at line 137 of file Translation.h.

bool isApprox ( const Translation< _Scalar, _Dim > &  other,
const typename NumTraits< Scalar >::Real &  prec = NumTraits<Scalar>::dummy_precision() 
) const
Returns:
true if *this is approximately equal to other, within the precision determined by prec.
See also:
MatrixBase::isApprox()

Definition at line 165 of file Translation.h.

Transform<Scalar,Dim,Mode> operator* ( const Transform< Scalar, Dim, Mode, Options > &  t ) const

Concatenates a translation and a transformation.

Definition at line 125 of file Translation.h.

VectorType operator* ( const VectorType &  other ) const

Applies translation to vector.

Definition at line 133 of file Translation.h.

Translation operator* ( const Translation< _Scalar, _Dim > &  other ) const

Concatenates two translation.

Definition at line 94 of file Translation.h.

IsometryTransformType operator* ( const RotationBase< Derived, Dim > &  r ) const

Concatenates a translation and a rotation.

Definition at line 106 of file Translation.h.

Translation< Scalar, Dim >::AffineTransformType operator* ( const UniformScaling< Scalar > &  other ) const

Concatenates a translation and a uniform scaling.

Definition at line 180 of file Translation.h.

Translation< Scalar, Dim >::AffineTransformType operator* ( const EigenBase< OtherDerived > &  linear ) const

Concatenates a translation and a linear transformation.

Definition at line 193 of file Translation.h.

Scalar& x (  )

Retruns the x-translation as a reference.

Definition at line 81 of file Translation.h.

Scalar x (  ) const

Retruns the x-translation by value.

Definition at line 74 of file Translation.h.

Scalar& y (  )

Retruns the y-translation as a reference.

Definition at line 83 of file Translation.h.

Scalar y (  ) const

Retruns the y-translation by value.

Definition at line 76 of file Translation.h.

Scalar z (  ) const

Retruns the z-translation by value.

Definition at line 78 of file Translation.h.

Scalar& z (  )

Retruns the z-translation as a reference.

Definition at line 85 of file Translation.h.

Friends And Related Function Documentation

AffineTransformType operator* ( const EigenBase< OtherDerived > &  linear,
const Translation< _Scalar, _Dim > &  t 
) [friend]
Returns:
the concatenation of a linear transformation l with the translation t

Definition at line 112 of file Translation.h.

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