SPATMOD::GEOREFERENCE Class Reference

Container for general georeference definition. More...

#include <spatmod/georeference.h>

List of all members.

Public Types
enum	AXISORIENTATION { AXISORIENTATION_Same = 0, AXISORIENTATION_Flip = 0x4000 }
enum	MODEL {   MODEL_Invalid = 0, MODEL_Conformal = 0x0700, MODEL_Affine = 0x0100, MODEL_PlaneProjective = 0x0200,   MODEL_Bilinear = 0x0300, MODEL_PolynomialOrder2 = 0x0402, MODEL_PolynomialOrder3 = 0x0403, MODEL_PolynomialOrder4 = 0x0404,   MODEL_PiecewiseAffine = 0x8100 }
Public Member Functions
	GEOREFERENCE (const TRANS2D_MAPGEN &Trans)
	GEOREFERENCE (const GEOREFERENCE &rhs)
	GEOREFERENCE ()
	~GEOREFERENCE ()
ERRVALUE	ApplyTransInput (const TRANS2D_AFFINE &Trans)
ERRVALUE	ComputeScale (const DPOINT2D &point, DPOINT2D &scale, bool ConvertToMeters) const
AXISORIENTATION	GetAxisOrientation () const
const SPATREF::COORDREFSYS &	GetCRS () const
const DOUBLE_ARRAY< CTRLPOINT3 > &	GetCtrlPoints () const
MODEL	GetModel () const
ERRVALUE	GetTransAffine (TRANS2D_AFFINE &TransAffine, const DRECT2D &extent, double accuracy=1.0) const
const TRANS2D_MAPGEN &	GetTransGen () const
bool	HasCtrlPoints () const
GEOREFERENCE &	operator= (const GEOREFERENCE &rhs)
ERRVALUE	SetCtrlPoints (const SPATREF::COORDREFSYS &CoordRefSys, const CTRLPOINT3 *CtrlPoints, int NumCtrlPoints, AXISORIENTATION AxisOrient, MODEL Model=MODEL_Affine)
ERRVALUE	SetCtrlPoints (const SPATREF::COORDREFSYS &CoordRefSys, const DOUBLE_ARRAY< CTRLPOINT3 > &CtrlPoints, AXISORIENTATION AxisOrient, MODEL Model=MODEL_Affine)
void	SetTransAffine (const SPATREF::COORDREFSYS &CoordRefSys, const TRANS2D_AFFINE &TransAffine)
void	SetTransGen (const TRANS2D_MAPGEN &TransGen)

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Detailed Description

Container for general georeference definition.

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Member Enumeration Documentation

enum SPATMOD::GEOREFERENCE::AXISORIENTATION

Relative axis orientations.

Enumerator:

AXISORIENTATION_Same	Axes have same orientation, typical for geometric data.
AXISORIENTATION_Flip	Axes are flipped relative to each other, typical for imagery.

enum SPATMOD::GEOREFERENCE::MODEL

Transformation model.

Enumerator:

MODEL_Invalid	Invalid or undefined.
MODEL_Conformal
MODEL_Affine
MODEL_PlaneProjective
MODEL_Bilinear
MODEL_PolynomialOrder2
MODEL_PolynomialOrder3
MODEL_PolynomialOrder4
MODEL_PiecewiseAffine

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Constructor & Destructor Documentation

SPATMOD::GEOREFERENCE::GEOREFERENCE

(

)

Default constructor.

SPATMOD::GEOREFERENCE::GEOREFERENCE

(

const GEOREFERENCE &

rhs

)

Copy constructor.

SPATMOD::GEOREFERENCE::GEOREFERENCE

(

const TRANS2D_MAPGEN &

Trans

)

Implicit constructor from TRANS2D_MAPGEN.

Only the "input" side of the TRANS2D_MAPGEN instance is used.

Parameters:

Trans

Transformation to new coordinates

SPATMOD::GEOREFERENCE::~GEOREFERENCE

(

)

Destructor.

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Member Function Documentation

ERRVALUE SPATMOD::GEOREFERENCE::ApplyTransInput

(

const TRANS2D_AFFINE &

Trans

)

Apply transformation to "input" coordinates.

Parameters:

Trans

Transformation to new coordinates

ERRVALUE SPATMOD::GEOREFERENCE::ComputeScale	(	const DPOINT2D &	point,
		DPOINT2D &	scale,
		bool	ConvertToMeters
	)			const

Compute "scaling" from object to georeferenced units.

Scaling returned will be to units of CRS X/Y axes or to linear meter.

Parameters:

	point	Point in "object" coordinates
	scale	Scale returned
	ConvertToMeters	Convert to linear meters if possible

AXISORIENTATION SPATMOD::GEOREFERENCE::GetAxisOrientation

(

)

const

Get relative axis orientation.

const SPATREF::COORDREFSYS& SPATMOD::GEOREFERENCE::GetCRS

(

)

const [inline]

Get coordinate reference system.

const DOUBLE_ARRAY<CTRLPOINT3>& SPATMOD::GEOREFERENCE::GetCtrlPoints

(

)

const [inline]

Get control point array.

MODEL SPATMOD::GEOREFERENCE::GetModel

(

)

const

Get tranformation model.

ERRVALUE SPATMOD::GEOREFERENCE::GetTransAffine	(	TRANS2D_AFFINE &	TransAffine,
		const DRECT2D &	extent,
		double	accuracy = 1.0
	)			const

Get affine transformation if possible.

const TRANS2D_MAPGEN& SPATMOD::GEOREFERENCE::GetTransGen

(

)

const [inline]

Get general transformation from source to defined CRS.

bool SPATMOD::GEOREFERENCE::HasCtrlPoints

(

)

const [inline]

Determine if has control points.

GEOREFERENCE& SPATMOD::GEOREFERENCE::operator=

(

const GEOREFERENCE &

rhs

)

Assignment.

ERRVALUE SPATMOD::GEOREFERENCE::SetCtrlPoints	(	const SPATREF::COORDREFSYS &	CoordRefSys,
		const CTRLPOINT3 *	CtrlPoints,
		int	NumCtrlPoints,
		AXISORIENTATION	AxisOrient,
		MODEL	Model = MODEL_Affine
	)

Set control points and compute transformation.

Parameters:

	CoordRefSys	Coordinate Reference System
	CtrlPoints	Control points to set
	NumCtrlPoints	Number of control points
	AxisOrient	Axis orientation
	Model	Transformation model

ERRVALUE SPATMOD::GEOREFERENCE::SetCtrlPoints	(	const SPATREF::COORDREFSYS &	CoordRefSys,
		const DOUBLE_ARRAY< CTRLPOINT3 > &	CtrlPoints,
		AXISORIENTATION	AxisOrient,
		MODEL	Model = MODEL_Affine
	)			[inline]

Set control points and compute transformation.

Parameters:

	CoordRefSys	Coordinate Reference System
	CtrlPoints	Control points to set
	AxisOrient	Axis orientation
	Model	Transformation model

void SPATMOD::GEOREFERENCE::SetTransAffine	(	const SPATREF::COORDREFSYS &	CoordRefSys,
		const TRANS2D_AFFINE &	TransAffine
	)

Set affine transformation.

Will clear any previously set control points.

Parameters:

TransAffine

Transformation to set

void SPATMOD::GEOREFERENCE::SetTransGen

(

const TRANS2D_MAPGEN &

TransGen

)

Set general transformation.

Will clear any previously set control points. Only the "input" side of the TRANS2D_MAPGEN instance is used.

Parameters:

TransGen

Transformation to set

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

• spatmod/georeference.h