ipsdk::math::transform::Similarity2d Class Reference

Inheritance diagram for ipsdk::math::transform::Similarity2d:

Public Types
enum	eTransformParams { eTP_Scale, eTP_Theta, eTP_Tx, eTP_Ty }

Public Member Functions
	IPSDK_DECLARE_TRANSFORM2D (Similarity2d)
void	setParams (const ipReal64 scale, const ipReal64 theta, const ipReal64 tx, const ipReal64 ty)
	select parameters associated to transformation
void	setParams (const Vector &params)
	select parameters associated to transformation More...
void	setIdentity ()
	set transformation parameters to identity
void	apply (ipReal64 &x, ipReal64 &y) const
	apply transformation to a given point
Matrix3d	getHomogenousMatrix () const
	retrieve homogeneous matrix associated to transformation
Vector	getParams () const
	retrieve parameters associated to transformation
Matrix3d	getInvHomogenousMatrix () const
	retrieve invert of homogeneous matrix associated to transformation
Vector	getInvParams () const
	retrieve invert parameters associated to transformation
Constructors and destructor
	Similarity2d ()
	Similarity2d (const ipReal64 scale, const ipReal64 theta, const ipReal64 tx, const ipReal64 ty)
	~Similarity2d ()
ipReal64	getScale () const
	retrieve parameters associated to transformation
ipReal64	getTheta () const
	retrieve parameters associated to transformation
ipReal64	getTx () const
	retrieve parameters associated to transformation
ipReal64	getTy () const
	retrieve parameters associated to transformation
Public Member Functions inherited from ipsdk::math::transform::BaseLinearGeometricTransform2d
bool	isLinear () const
	retrieve flag indicating whether geometric transform is linear
	BaseLinearGeometricTransform2d ()
virtual	~BaseLinearGeometricTransform2d ()=0
Public Member Functions inherited from ipsdk::math::transform::BaseGeometricTransform2d
virtual eGeometricTransform2dType	getGeometricTransform2dType () const =0
	retrieve geometric transform 2d type
virtual ipUInt32	getNbParams () const =0
	retrieve number of parameters associated to geometric transformation
template<typename T >
void	apply (const T xIn, const T yIn, T &xOut, T &yOut) const
	apply transformation to a given point
virtual bool	isInvertible () const
	check whether transformation can be inverted
GeometricTransform2dPtr	createInverted () const
	create an inversed transformation from current one More...
	BaseGeometricTransform2d ()
virtual	~BaseGeometricTransform2d ()

Static Public Member Functions
static Matrix3d	getInvHomogenousMatrix (const ipReal64 scale, const ipReal64 theta, const ipReal64 tx, const ipReal64 ty)
	retrieve invert of homogeneous matrix associated to transformation
static void	getInvParams (ipReal64 &scale, ipReal64 &theta, ipReal64 &tx, ipReal64 &ty)
	retrieve invert parameters for transformation
static Vector	getIdentityParams ()
	retrieve identity parameters for transformation
static void	transform (const ipReal64 scale, const ipReal64 theta, const ipReal64 tx, const ipReal64 ty, ipReal64 &x, ipReal64 &y)
	application of transformation to a point
static void	transform (const ipReal64 scale, const ipReal64 cosTheta, const ipReal64 sinTheta, const ipReal64 tx, const ipReal64 ty, ipReal64 &x, ipReal64 &y)
	application of transformation to a point
static Matrix3d	getHomogenousMatrix (const ipReal64 scale, const ipReal64 theta, const ipReal64 tx, const ipReal64 ty)
	retrieve homogeneous matrix associated to transformation
static Matrix3d	getHomogenousMatrix (const ipReal64 scale, const ipReal64 cosTheta, const ipReal64 sinTheta, const ipReal64 tx, const ipReal64 ty)
	retrieve homogeneous matrix associated to transformation

Protected Attributes
ipReal64	_scale
	transformation scale
ipReal64	_theta
	angle of rotation in radians
ipReal64	_tx
	translation coordinate along x axis
ipReal64	_ty
	translation coordinate along y axis
ipReal64	_cosTheta
	computation intermediates
ipReal64	_sinTheta
	computation intermediates

Additional Inherited Members
Static Public Attributes inherited from ipsdk::math::transform::BaseLinearGeometricTransform2d
static const bool	g_bLinear = true
	linear status for transformation

Member Enumeration Documentation

eTransformParams

enum ipsdk::math::transform::Similarity2d::eTransformParams

parameters list associated to transformation

Note

This object is associated to a strong enumerate definition

See also

IPSDK_Enum

Enumerator
eTP_Scale	transformation scale
eTP_Theta	angle of rotation in radians
eTP_Tx	translation along x axis
eTP_Ty	translation along y axis

Member Function Documentation

setParams()

void ipsdk::math::transform::Similarity2d::setParams ( const Vector &  params )

virtual

select parameters associated to transformation

Exceptions

ipsdk::math::IPSDKMathException

if params.size() != getNbParams()

Implements ipsdk::math::transform::BaseGeometricTransform2d.

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

• /media/reactivipdev/Nightly/IPSDK_Patch/IPSDK_4_1/IPSDK_Nightly/include/public/IPSDKMath/Geometry/2d/Transform/Similarity2d.h