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Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
te::edit::Snap Class Referenceabstract

This class implements geometry snap concept. More...

#include <Snap.h>

Inheritance diagram for te::edit::Snap:
te::edit::SnapVertex

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. More...
 
std::size_t m_nGeometries
 The current number of geometries added to the snap. More...
 
std::string m_source
 The source of the geometries. More...
 
int m_srid
 The SRS of the geometries. More...
 
double m_tolerance
 The tolerance that will be used by the snap. For while, the unit is screen pixels. More...
 
te::map::WorldDeviceTransformer * m_transformer
 For transforming from device coordinate to world coordinate and vice-versa. More...
 

Detailed Description

This class implements geometry snap concept.

Definition at line 63 of file Snap.h.

Constructor & Destructor Documentation

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

Definition at line 40 of file Snap.cpp.

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

Definition at line 50 of file Snap.cpp.

Member Function Documentation

void te::edit::Snap::add ( te::da::DataSet *  dataset)

Definition at line 102 of file Snap.cpp.

References te::dt::GEOMETRY_TYPE, te::da::GetFirstPropertyPos(), te::da::DataSet::getGeometry(), and te::da::DataSet::moveNext().

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

Implemented in te::edit::SnapVertex.

void te::edit::Snap::build ( te::da::DataSet *  dataset)

Definition at line 93 of file Snap.cpp.

Referenced by te::edit::SnapManager::buildSnap().

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

Implemented in te::edit::SnapVertex.

Referenced by te::edit::SnapManager::clear().

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

Implemented in te::edit::SnapVertex.

std::size_t te::edit::Snap::getMaxGeometries ( ) const

Definition at line 70 of file Snap.cpp.

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

Implemented in te::edit::SnapVertex.

std::size_t te::edit::Snap::getNGeometries ( ) const

Definition at line 65 of file Snap.cpp.

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

Definition at line 125 of file Snap.cpp.

References te::gm::Envelope::isValid(), te::gm::Envelope::m_llx, te::gm::Envelope::m_lly, te::gm::Envelope::m_urx, te::gm::Envelope::m_ury, TE_TR, te::gm::Coord2D::x, and te::gm::Coord2D::y.

std::string te::edit::Snap::getSource ( ) const

Definition at line 55 of file Snap.cpp.

int te::edit::Snap::getSRID ( ) const

Definition at line 60 of file Snap.cpp.

double te::edit::Snap::getTolerance ( ) const

Definition at line 75 of file Snap.cpp.

Referenced by te::edit::SnapOptionsDialog::buildOptions().

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

Definition at line 118 of file Snap.cpp.

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

Implemented in te::edit::SnapVertex.

void te::edit::Snap::setTolerance ( const double &  t)

Definition at line 80 of file Snap.cpp.

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 
)

Definition at line 85 of file Snap.cpp.

Member Data Documentation

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.

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.

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

The source of the geometries.

Definition at line 109 of file Snap.h.

int te::edit::Snap::m_srid
protected

The SRS of the geometries.

Definition at line 110 of file Snap.h.

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.

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.

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