te::edit::Snap Class Reference

This class implements geometry snap concept. More...

#include <Snap.h>

Inheritance diagram for te::edit::Snap:

Public Member Functions
void	add (te::da::DataSet *dataset)
virtual void	add (te::gm::Geometry *geom)=0
void	build (te::da::DataSet *dataset)
virtual void	clear ()=0
virtual std::string	getDescription () const =0
std::size_t	getMaxGeometries () const
virtual std::string	getName () const =0
std::size_t	getNGeometries () const
std::string	getSource () const
int	getSRID () const
double	getTolerance () const
virtual bool	search (const te::gm::Coord2D &coord, te::gm::Coord2D &result)
void	setTolerance (const double &t)
void	setWorld (const double &llx, const double &lly, const double &urx, const double &ury, const std::size_t &width, const std::size_t &height)
	Snap (const std::string &source, int srid=TE_UNKNOWN_SRS)
virtual	~Snap ()

Protected Member Functions
te::gm::Envelope	getSearchEnvelope (const te::gm::Coord2D &coord) const
virtual bool	search (const te::gm::Envelope &e, te::gm::Coord2D &result)=0

Protected Attributes
std::size_t	m_maxGeometries
	The maximum number of geometries that can be added to the snap. If 0, there will be not limit.
std::size_t	m_nGeometries
	The current number of geometries added to the snap.
std::string	m_source
	The source of the geometries.
int	m_srid
	The SRS of the geometries.
double	m_tolerance
	The tolerance that will be used by the snap. For while, the unit is screen pixels.
te::map::WorldDeviceTransformer *	m_transformer
	For transforming from device coordinate to world coordinate and vice-versa.

Detailed Description

This class implements geometry snap concept.

Definition at line 63 of file Snap.h.

Constructor & Destructor Documentation

Snap()

te::edit::Snap::Snap	(	const std::string &	source,
		int	srid = TE_UNKNOWN_SRS
	)

~Snap()

virtual te::edit::Snap::~Snap ( )

virtual

Member Function Documentation

add() [1/2]

void te::edit::Snap::add

(

te::da::DataSet *

dataset

)

add() [2/2]

virtual void te::edit::Snap::add ( te::gm::Geometry *  geom )

pure virtual

Implemented in te::edit::SnapVertex.

build()

void te::edit::Snap::build

(

te::da::DataSet *

dataset

)

clear()

virtual void te::edit::Snap::clear ( )

pure virtual

Implemented in te::edit::SnapVertex.

getDescription()

virtual std::string te::edit::Snap::getDescription ( ) const

pure virtual

Implemented in te::edit::SnapVertex.

getMaxGeometries()

std::size_t te::edit::Snap::getMaxGeometries

(

)

const

getName()

virtual std::string te::edit::Snap::getName ( ) const

pure virtual

Implemented in te::edit::SnapVertex.

getNGeometries()

std::size_t te::edit::Snap::getNGeometries

(

)

const

getSearchEnvelope()

te::gm::Envelope te::edit::Snap::getSearchEnvelope ( const te::gm::Coord2D &  coord ) const

protected

getSource()

std::string te::edit::Snap::getSource

(

)

const

getSRID()

int te::edit::Snap::getSRID

(

)

const

getTolerance()

double te::edit::Snap::getTolerance

(

)

const

search() [1/2]

virtual bool te::edit::Snap::search ( const te::gm::Coord2D &  coord, te::gm::Coord2D &  result  )

virtual

search() [2/2]

virtual bool te::edit::Snap::search ( const te::gm::Envelope &  e, te::gm::Coord2D &  result  )

protectedpure virtual

Implemented in te::edit::SnapVertex.

setTolerance()

void te::edit::Snap::setTolerance

(

const double &

t

)

setWorld()

void te::edit::Snap::setWorld	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury,
		const std::size_t &	width,
		const std::size_t &	height
	)

Member Data Documentation

m_maxGeometries

std::size_t te::edit::Snap::m_maxGeometries

protected

The maximum number of geometries that can be added to the snap. If 0, there will be not limit.

Definition at line 112 of file Snap.h.

m_nGeometries

std::size_t te::edit::Snap::m_nGeometries

protected

The current number of geometries added to the snap.

Definition at line 111 of file Snap.h.

m_source

std::string te::edit::Snap::m_source

protected

The source of the geometries.

Definition at line 109 of file Snap.h.

m_srid

int te::edit::Snap::m_srid

protected

The SRS of the geometries.

Definition at line 110 of file Snap.h.

m_tolerance

double te::edit::Snap::m_tolerance

protected

The tolerance that will be used by the snap. For while, the unit is screen pixels.

Definition at line 113 of file Snap.h.

m_transformer

te::map::WorldDeviceTransformer* te::edit::Snap::m_transformer

protected

For transforming from device coordinate to world coordinate and vice-versa.

Definition at line 114 of file Snap.h.

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

• /home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/edit/Snap.h