This class implements the logic for transforming from System 1 coordinate to other type of coordinate system and vice-versa. More...

#include <WorldTransformer.h>

Public Member Functions
Initializer Methods
Methods related to instantiation and destruction.
	WorldTransformer ()
	Empty constructor. More...

	WorldTransformer (const double &s1llx, const double &s1lly, const double &s1urx, const double &s1ury, double s2width, double s2height)
	The world coordinates system will fit with 0,0 of another coordinate system (passed as width and height). This method is indicated to create a World Transformer between a coordinate system and viewport (device, logical). More...

	WorldTransformer (te::gm::Envelope system1Box, te::gm::Envelope system2Box)
	The system 1 coordinates will fit with another coordinate system. This method is indicated to create a World Transformer between a coordinate system and viewport (device, logical). More...

	~WorldTransformer ()
	Destructor. More...

Protected Attributes
bool	m_mirroring

double	m_s1Height
	Height of System 1 coordinate system. More...

double	m_s1llx
	Lower left x-coordinate of the System 1. More...

double	m_s1lly
	Lower left y-coordinate of the System 1. More...

double	m_s1urx
	Upper right x-coordinate of the System 1. More...

double	m_s1ury
	Upper right y-coordinate of the System 1. More...

double	m_s1Width
	Width of System 1 coordinate system. More...

double	m_s2Height
	Height of System 2 coordinate system. More...

double	m_s2llx
	Lower left x-coordinate of the System 2. More...

double	m_s2lly
	Lower left y-coordinate of the System 2. More...

double	m_s2urx
	Upper right x-coordinate of the System 2. More...

double	m_s2ury
	Upper right y-coordinate of the System 2. More...

double	m_s2Width
	Width of System 2 coordinate system. More...

double	m_scaleX
	Map units per unit along x-direction between Coordinate Systems. More...

double	m_scaleY
	Map units per unit along y-direction between Coordinate Systems. More...

double	m_translateX
	The value corresponds to the X-Axis translation of system 2. More...

double	m_translateY
	The value corresponds to the Y-Axis translation of system 2. More...

bool	m_valid

Transformation Methods
Methods used to transform coordinates from system 1 coordinate system to system 2 coordinate and vice-versa.
void	setTransformationParameters (te::gm::Envelope system1Box, te::gm::Envelope system2Box)
	It adjusts a new transformation function that maps between the world coordinate system to other coordinate system. More...

void	system1Tosystem2 (double &wx, double &wy) const
	It transforms the coordinate wx and wy from world coordinates to other(system) coordinates without using auxiliary variables. More...

void	system1Tosystem2 (const double &wx, const double &wy, double &dx, double &dy) const
	It transforms the coordinate wx and wy from world coordinates to other(system) coordinates (dx and dy). More...

void	system2Tosystem1 (double &dx, double &dy) const
	It transforms the coordinate dx and dy from system 2 coordinates to syste 1 coordinates without using auxiliary variables. It is supposed to be faster than the other version that has 4 parameters. More...

void	system2Tosystem1 (double dx, double dy, double &wx, double &wy) const
	It transforms the coordinate dx and dy from system 2 coordinates to system 1 coordinates (wx and wy). More...

double	getScaleX ()

double	getScaleY ()

double	getTranslateX ()

double	getTranslateY ()

double	getS1llx ()

double	getS1lly ()

double	getS1urx ()

double	getS1ury ()

double	getS1Width ()

double	getS1Height ()

double	getS2llx ()

double	getS2lly ()

double	getS2urx ()

double	getS2ury ()

double	getS2Width ()

double	getS2Height ()

bool	isValid ()

bool	isMirroring ()

void	setMirroring (bool mirror)

void	initVariables (te::gm::Envelope system1Box, te::gm::Envelope system2Box)

Detailed Description

This class implements the logic for transforming from System 1 coordinate to other type of coordinate system and vice-versa.

Definition at line 44 of file WorldTransformer.h.

Constructor & Destructor Documentation

te::layout::WorldTransformer::WorldTransformer ( )

inline

Empty constructor.

Definition at line 199 of file WorldTransformer.h.

te::layout::WorldTransformer::WorldTransformer	(	const double &	s1llx,
		const double &	s1lly,
		const double &	s1urx,
		const double &	s1ury,
		double	s2width,
		double	s2height
	)

inline

The world coordinates system will fit with 0,0 of another coordinate system (passed as width and height). This method is indicated to create a World Transformer between a coordinate system and viewport (device, logical).

Parameters

s1llx	Lower left x-coordinate of the World (Spatial Coordinate System of the features).
s1lly	Lower left y-coordinate of the World (Spatial Coordinate System of the features).
wurx	Upper right x-coordinate of the World (Spatial Coordinate System of the features).
s1ury	Upper right y-coordinate of the World (Spatial Coordinate System of the features).
s2width	*Can be device (canvas) width in pixels.
s2height	*Can be device (canvas) height in pixels.

Definition at line 221 of file WorldTransformer.h.

References setTransformationParameters().

te::layout::WorldTransformer::WorldTransformer	(	te::gm::Envelope	system1Box,
		te::gm::Envelope	system2Box
	)

inline

The system 1 coordinates will fit with another coordinate system. This method is indicated to create a World Transformer between a coordinate system and viewport (device, logical).

Parameters

system1Box	Box in System 1 Coordinate System.
system2Box	Box in System 2 Coordinate System.

Definition at line 231 of file WorldTransformer.h.

References setTransformationParameters().

te::layout::WorldTransformer::~WorldTransformer ( )

inline

Destructor.

Definition at line 236 of file WorldTransformer.h.

Member Function Documentation

double te::layout::WorldTransformer::getS1Height ( )

inline

Definition at line 380 of file WorldTransformer.h.

References m_s1Height.

double te::layout::WorldTransformer::getS1llx ( )

inline

Definition at line 355 of file WorldTransformer.h.

References m_s1llx.

double te::layout::WorldTransformer::getS1lly ( )

inline

Definition at line 360 of file WorldTransformer.h.

References m_s1lly.

double te::layout::WorldTransformer::getS1urx ( )

inline

Definition at line 365 of file WorldTransformer.h.

References m_s1urx.

double te::layout::WorldTransformer::getS1ury ( )

inline

Definition at line 370 of file WorldTransformer.h.

References m_s1ury.

double te::layout::WorldTransformer::getS1Width ( )

inline

Definition at line 375 of file WorldTransformer.h.

References m_s1Width.

double te::layout::WorldTransformer::getS2Height ( )

inline

Definition at line 410 of file WorldTransformer.h.

References m_s2Height.

double te::layout::WorldTransformer::getS2llx ( )

inline

Definition at line 385 of file WorldTransformer.h.

References m_s2llx.

double te::layout::WorldTransformer::getS2lly ( )

inline

Definition at line 390 of file WorldTransformer.h.

References m_s2lly.

double te::layout::WorldTransformer::getS2urx ( )

inline

Definition at line 395 of file WorldTransformer.h.

References m_s2urx.

double te::layout::WorldTransformer::getS2ury ( )

inline

Definition at line 400 of file WorldTransformer.h.

References m_s2ury.

double te::layout::WorldTransformer::getS2Width ( )

inline

Definition at line 405 of file WorldTransformer.h.

References m_s2Width.

double te::layout::WorldTransformer::getScaleX ( )

inline

Definition at line 335 of file WorldTransformer.h.

References m_scaleX.

double te::layout::WorldTransformer::getScaleY ( )

inline

Definition at line 340 of file WorldTransformer.h.

References m_scaleY.

double te::layout::WorldTransformer::getTranslateX ( )

inline

Definition at line 345 of file WorldTransformer.h.

References m_translateX.

double te::layout::WorldTransformer::getTranslateY ( )

inline

Definition at line 350 of file WorldTransformer.h.

References m_translateY.

void te::layout::WorldTransformer::initVariables	(	te::gm::Envelope	system1Box,
		te::gm::Envelope	system2Box
	)

inlineprotected

Definition at line 311 of file WorldTransformer.h.

References te::gm::Envelope::getHeight(), te::gm::Envelope::getLowerLeftX(), te::gm::Envelope::getLowerLeftY(), te::gm::Envelope::getUpperRightX(), te::gm::Envelope::getUpperRightY(), te::gm::Envelope::getWidth(), m_s1Height, m_s1llx, m_s1lly, m_s1urx, m_s1ury, m_s1Width, m_s2Height, m_s2llx, m_s2lly, m_s2urx, m_s2ury, m_s2Width, m_scaleX, m_scaleY, m_translateX, and m_translateY.

Referenced by setTransformationParameters().

bool te::layout::WorldTransformer::isMirroring ( )

inline

Definition at line 423 of file WorldTransformer.h.

References m_mirroring.

bool te::layout::WorldTransformer::isValid ( )

inline

Definition at line 415 of file WorldTransformer.h.

References m_scaleX, and m_scaleY.

void te::layout::WorldTransformer::setMirroring ( bool mirror )

inline

Definition at line 428 of file WorldTransformer.h.

References m_mirroring.

Referenced by te::layout::GridPlanarModel::drawHorizontalLines(), te::layout::GridGeodesicModel::drawHorizontalLines(), te::layout::GridPlanarModel::drawVerticalLines(), te::layout::GridGeodesicModel::drawVerticalLines(), and te::layout::MapModel::generateSystematic().

void te::layout::WorldTransformer::setTransformationParameters	(	te::gm::Envelope	system1Box,
		te::gm::Envelope	system2Box
	)

inline

It adjusts a new transformation function that maps between the world coordinate system to other coordinate system.

Parameters

system1Box	Box in System 1 Coordinate System.
system2Box	Box in System 2 Coordinate System.

Definition at line 240 of file WorldTransformer.h.

References initVariables(), te::gm::Envelope::isValid(), m_s1Height, m_s1llx, m_s1lly, m_s1Width, m_s2Height, m_s2llx, m_s2lly, m_s2Width, m_scaleX, m_scaleY, m_translateX, m_translateY, and m_valid.

Referenced by te::layout::Utils::getTransformGeo(), and WorldTransformer().

void te::layout::WorldTransformer::system1Tosystem2	(	double &	wx,
		double &	wy
	)		const

inline

It transforms the coordinate wx and wy from world coordinates to other(system) coordinates without using auxiliary variables.

Parameters

wx	X value in system 1 coordinates.
wy	Y value in system 1 coordinates.

Definition at line 259 of file WorldTransformer.h.

References m_mirroring, m_s2Height, m_scaleX, m_scaleY, m_translateX, and m_translateY.

Referenced by te::layout::Utils::convertToMillimeter(), te::layout::GridPlanarModel::drawHorizontalLines(), and te::layout::GridPlanarModel::drawVerticalLines().

void te::layout::WorldTransformer::system1Tosystem2	(	const double &	wx,
		const double &	wy,
		double &	dx,
		double &	dy
	)		const

inline

It transforms the coordinate wx and wy from world coordinates to other(system) coordinates (dx and dy).

Parameters

wx	X value in system 1 coordinates.
wy	Y value in system 1 coordinates.
dx	X value in system 2 coordinates.
dy	Y value in system 2 coordinates.

Definition at line 271 of file WorldTransformer.h.

References m_mirroring, m_s2Height, m_scaleX, m_scaleY, m_translateX, and m_translateY.

void te::layout::WorldTransformer::system2Tosystem1	(	double &	dx,
		double &	dy
	)		const

inline

It transforms the coordinate dx and dy from system 2 coordinates to syste 1 coordinates without using auxiliary variables. It is supposed to be faster than the other version that has 4 parameters.

Parameters