Class to generate samples points using stratified strategy. More...

#include <SamplePointsGeneratorStratified.h>

Inheritance diagram for te::sa::SamplePointsGeneratorStratified:

Public Member Functions
void	execute ()
	Function to execute the kernel operation. More...

std::vector< std::string >	getClassNames ()

void	isProportionalToArea (bool isProp)

	SamplePointsGeneratorStratified ()
	Default constructor. More...

void	setEnvelope (te::gm::Envelope env)

void	setInputAttributeName (std::string attrName)

void	setInputDataSet (std::unique_ptr< te::da::DataSet > dataSet)

void	setNumberOfPoints (int nPoints)

void	setOutputDataSetName (std::string dataSetName)

void	setOutputDataSource (te::da::DataSourcePtr ds)

void	setSRID (int srid)

virtual	~SamplePointsGeneratorStratified ()
	Virtual destructor. More...

Protected Member Functions
void	createClassMap ()

virtual std::unique_ptr< te::da::DataSetType >	createDataSetType ()

virtual std::unique_ptr< te::mem::DataSet >	generateSamples (te::da::DataSetType *dsType)

te::gm::Point *	getPoint (const te::gm::Envelope *env)

te::gm::Point *	getPointInGeometry (te::gm::Geometry *g)

void	saveDataSet (te::mem::DataSet dataSet, te::da::DataSetType dsType)

Protected Attributes
std::string	m_attrName
	Attribute used to get from input data the selected attribute. More...

std::map< std::string, std::vector< te::gm::Geometry * > >	m_classMap
	Attribute with polygons for each class from input dataset. More...

std::unique_ptr< te::da::DataSet >	m_dataSet
	Attribute with input data. More...

boost::random::uniform_int_distribution	m_distInt

boost::random::uniform_real_distribution	m_distReal

te::da::DataSourcePtr	m_ds
	Pointer to the output datasource. More...

te::gm::Envelope	m_env
	Attribute used to restrict the area to generate the samples. More...

boost::random::mt19937	m_gen

int	m_nPoints
	Attribute used to define the number of points to be generated. More...

std::string	m_outputDataSetName
	Attribute that defines the output dataset name. More...

bool	m_propToArea
	Attribute used to indicate if the number of samples has to be proportional to the area. More...

int	m_srid
	Attribute with spatial reference information. More...

te::sa::SamplePointsGeneratorType	m_type
	Generator Type. More...

Detailed Description

Class to generate samples points using stratified strategy.

Definition at line 58 of file SamplePointsGeneratorStratified.h.

Constructor & Destructor Documentation

te::sa::SamplePointsGeneratorStratified::SamplePointsGeneratorStratified ( )

Default constructor.

Definition at line 44 of file SamplePointsGeneratorStratified.cpp.

References te::sa::SamplePointsGeneratorAbstract::m_type, and te::sa::Stratified.

te::sa::SamplePointsGeneratorStratified::~SamplePointsGeneratorStratified ( )

virtual

Virtual destructor.

Definition at line 50 of file SamplePointsGeneratorStratified.cpp.

References te::common::FreeContents(), and m_classMap.

Member Function Documentation

void te::sa::SamplePointsGeneratorStratified::createClassMap ( )

protected

Function used to create the class map

Definition at line 245 of file SamplePointsGeneratorStratified.cpp.

References te::dt::GEOMETRY_TYPE, te::da::GetFirstPropertyPos(), m_attrName, m_classMap, and m_dataSet.

Referenced by generateSamples().

std::unique_ptr< te::da::DataSetType > te::sa::SamplePointsGeneratorStratified::createDataSetType ( )

protectedvirtual

Function used to create the output dataset type

Implements te::sa::SamplePointsGeneratorAbstract.

Definition at line 102 of file SamplePointsGeneratorStratified.cpp.

References te::da::PrimaryKey::add(), te::dt::INT32_TYPE, te::sa::SamplePointsGeneratorAbstract::m_outputDataSetName, te::sa::SamplePointsGeneratorAbstract::m_srid, te::gm::PointType, te::dt::STRING_TYPE, TE_SA_SPG_ATTR_CLASS_NAME, TE_SA_SPG_ATTR_GEOM_NAME, TE_SA_SPG_ATTR_ID_NAME, and TE_SA_SPG_ATTR_PK_NAME.

void te::sa::SamplePointsGeneratorAbstract::execute ( )

inherited

Function to execute the kernel operation.

Definition at line 42 of file SamplePointsGeneratorAbstract.cpp.

References te::sa::SamplePointsGeneratorAbstract::createDataSetType(), te::sa::SamplePointsGeneratorAbstract::generateSamples(), and te::sa::SamplePointsGeneratorAbstract::saveDataSet().

Referenced by te::sa::SamplePointsGeneratorDialog::onOkPushButtonClicked().

std::unique_ptr< te::mem::DataSet > te::sa::SamplePointsGeneratorStratified::generateSamples ( te::da::DataSetType * dsType )

protectedvirtual

Function used to create the output data

Implements te::sa::SamplePointsGeneratorAbstract.

Definition at line 127 of file SamplePointsGeneratorStratified.cpp.

References createClassMap(), ds, te::sa::GetArea(), getPointInGeometry(), te::common::TaskProgress::isActive(), m_classMap, m_distInt, te::sa::SamplePointsGeneratorAbstract::m_gen, m_nPoints, m_propToArea, te::common::TaskProgress::pulse(), te::mem::DataSetItem::setGeometry(), te::mem::DataSetItem::setInt32(), te::common::TaskProgress::setMessage(), te::mem::DataSetItem::setString(), te::common::TaskProgress::setTotalSteps(), TE_SA_SPG_ATTR_CLASS_NAME, TE_SA_SPG_ATTR_GEOM_NAME, TE_SA_SPG_ATTR_ID_NAME, and TE_TR.

std::vector< std::string > te::sa::SamplePointsGeneratorStratified::getClassNames ( )

Function used to get the names for the generated classes

Definition at line 86 of file SamplePointsGeneratorStratified.cpp.

References m_classMap.

te::gm::Point * te::sa::SamplePointsGeneratorAbstract::getPoint ( const te::gm::Envelope * env )

protectedinherited

Function used to generate a randon point inside a defined envelope

Definition at line 86 of file SamplePointsGeneratorAbstract.cpp.

References te::gm::Envelope::getLowerLeftX(), te::gm::Envelope::getLowerLeftY(), te::gm::Envelope::getUpperRightX(), te::gm::Envelope::getUpperRightY(), te::sa::SamplePointsGeneratorAbstract::m_distReal, te::sa::SamplePointsGeneratorAbstract::m_gen, te::sa::SamplePointsGeneratorAbstract::m_srid, p, te::gm::Point::setX(), and te::gm::Point::setY().

Referenced by te::sa::SamplePointsGeneratorRandom::generateSamples(), and getPointInGeometry().

te::gm::Point * te::sa::SamplePointsGeneratorStratified::getPointInGeometry ( te::gm::Geometry * g )

protected

Function used to generate a randon point inside a defined geometry

Definition at line 278 of file SamplePointsGeneratorStratified.cpp.

References te::gm::Geometry::getMBR(), te::sa::SamplePointsGeneratorAbstract::getPoint(), p, and te::gm::Geometry::within().

Referenced by generateSamples().

void te::sa::SamplePointsGeneratorStratified::isProportionalToArea ( bool isProp )

Function used to set if the number of samples has to be proportional to the area

Definition at line 81 of file SamplePointsGeneratorStratified.cpp.

References m_propToArea.

void te::sa::SamplePointsGeneratorAbstract::saveDataSet	(	te::mem::DataSet *	dataSet,
		te::da::DataSetType *	dsType
	)

protectedinherited

Function used to save the output dataset

Definition at line 71 of file SamplePointsGeneratorAbstract.cpp.

References te::sa::SamplePointsGeneratorAbstract::m_ds, te::sa::SamplePointsGeneratorAbstract::m_outputDataSetName, and te::mem::DataSet::moveBeforeFirst().

Referenced by te::sa::SamplePointsGeneratorAbstract::execute().

void te::sa::SamplePointsGeneratorAbstract::setEnvelope ( te::gm::Envelope env )

inherited

Function used to set the envelope parameter

Definition at line 56 of file SamplePointsGeneratorAbstract.cpp.

References te::sa::SamplePointsGeneratorAbstract::m_env.

Referenced by te::sa::SamplePointsGeneratorDialog::onOkPushButtonClicked().

void te::sa::SamplePointsGeneratorStratified::setInputAttributeName ( std::string attrName )

Function used to set attribute from input data selected to generate the samples

Definition at line 76 of file SamplePointsGeneratorStratified.cpp.

References m_attrName.

void te::sa::SamplePointsGeneratorStratified::setInputDataSet ( std::unique_ptr< te::da::DataSet > dataSet )

Function used to set the input dataset

Definition at line 71 of file SamplePointsGeneratorStratified.cpp.

References m_dataSet.

void te::sa::SamplePointsGeneratorStratified::setNumberOfPoints ( int nPoints )

Function used to set the number of points to be generated

Definition at line 66 of file SamplePointsGeneratorStratified.cpp.

References m_nPoints.

void te::sa::SamplePointsGeneratorAbstract::setOutputDataSetName ( std::string dataSetName )

inherited

Function used to set the output dataset name parameter

Definition at line 61 of file SamplePointsGeneratorAbstract.cpp.

References te::sa::SamplePointsGeneratorAbstract::m_outputDataSetName.

Referenced by te::sa::SamplePointsGeneratorDialog::onOkPushButtonClicked().

void te::sa::SamplePointsGeneratorAbstract::setOutputDataSource ( te::da::DataSourcePtr ds )

inherited

Function used to set the output data source parameter

Definition at line 66 of file SamplePointsGeneratorAbstract.cpp.

References ds, and te::sa::SamplePointsGeneratorAbstract::m_ds.

Referenced by te::sa::SamplePointsGeneratorDialog::onOkPushButtonClicked().

void te::sa::SamplePointsGeneratorAbstract::setSRID ( int srid )

inherited

Function used to set the envelope parameter

Definition at line 51 of file SamplePointsGeneratorAbstract.cpp.

References te::sa::SamplePointsGeneratorAbstract::m_srid.

Referenced by te::sa::SamplePointsGeneratorDialog::onOkPushButtonClicked().

Member Data Documentation

std::string te::sa::SamplePointsGeneratorStratified::m_attrName

protected

Attribute used to get from input data the selected attribute.

Definition at line 105 of file SamplePointsGeneratorStratified.h.

Referenced by createClassMap(), and setInputAttributeName().

std::map<std::string, std::vector<te::gm::Geometry*> > te::sa::SamplePointsGeneratorStratified::m_classMap

protected

Attribute with polygons for each class from input dataset.

Definition at line 109 of file SamplePointsGeneratorStratified.h.

Referenced by createClassMap(), generateSamples(), getClassNames(), and ~SamplePointsGeneratorStratified().

std::unique_ptr<te::da::DataSet> te::sa::SamplePointsGeneratorStratified::m_dataSet

protected

Attribute with input data.

Definition at line 103 of file SamplePointsGeneratorStratified.h.

Referenced by createClassMap(), and setInputDataSet().

boost::random::uniform_int_distribution te::sa::SamplePointsGeneratorStratified::m_distInt

protected

Definition at line 111 of file SamplePointsGeneratorStratified.h.

Referenced by generateSamples().

boost::random::uniform_real_distribution te::sa::SamplePointsGeneratorAbstract::m_distReal

protectedinherited

Definition at line 114 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorAbstract::getPoint(), and te::sa::SamplePointsGeneratorAbstract::SamplePointsGeneratorAbstract().

te::da::DataSourcePtr te::sa::SamplePointsGeneratorAbstract::m_ds

protectedinherited

Pointer to the output datasource.

Definition at line 106 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorAbstract::saveDataSet(), and te::sa::SamplePointsGeneratorAbstract::setOutputDataSource().

te::gm::Envelope te::sa::SamplePointsGeneratorAbstract::m_env

protectedinherited

Attribute used to restrict the area to generate the samples.

Definition at line 104 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorRandom::generateSamples(), and te::sa::SamplePointsGeneratorAbstract::setEnvelope().

boost::random::mt19937 te::sa::SamplePointsGeneratorAbstract::m_gen

protectedinherited

Definition at line 112 of file SamplePointsGeneratorAbstract.h.

Referenced by generateSamples(), and te::sa::SamplePointsGeneratorAbstract::getPoint().

int te::sa::SamplePointsGeneratorStratified::m_nPoints

protected

Attribute used to define the number of points to be generated.

Definition at line 101 of file SamplePointsGeneratorStratified.h.

Referenced by generateSamples(), and setNumberOfPoints().

std::string te::sa::SamplePointsGeneratorAbstract::m_outputDataSetName

protectedinherited

Attribute that defines the output dataset name.

Definition at line 108 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorRandom::createDataSetType(), createDataSetType(), te::sa::SamplePointsGeneratorAbstract::saveDataSet(), and te::sa::SamplePointsGeneratorAbstract::setOutputDataSetName().

bool te::sa::SamplePointsGeneratorStratified::m_propToArea

protected

Attribute used to indicate if the number of samples has to be proportional to the area.

Definition at line 107 of file SamplePointsGeneratorStratified.h.

Referenced by generateSamples(), and isProportionalToArea().

int te::sa::SamplePointsGeneratorAbstract::m_srid

protectedinherited

Attribute with spatial reference information.

Definition at line 102 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorRandom::createDataSetType(), createDataSetType(), te::sa::SamplePointsGeneratorAbstract::getPoint(), and te::sa::SamplePointsGeneratorAbstract::setSRID().

te::sa::SamplePointsGeneratorType te::sa::SamplePointsGeneratorAbstract::m_type

protectedinherited

Generator Type.

Definition at line 110 of file SamplePointsGeneratorAbstract.h.

Referenced by te::sa::SamplePointsGeneratorRandom::SamplePointsGeneratorRandom(), and SamplePointsGeneratorStratified().

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

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation