An abstract class responsible for loading spatiotemporal data from data sources. More...

#include <STDataLoaderImpl.h>

Inheritance diagram for te::st::STDataLoaderImpl:

Public Member Functions

STDataLoaderImpl ()

Empty constructor. More...

virtual ~STDataLoaderImpl ()

It returns the spatial extent of the observations of a coverage series. More...

Operations for loading ObservationDataSet

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a ObservationDataSet, that is, a DataSet that contains observations. More...

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, const te::gm::Envelope &e, te::gm::SpatialRelation r=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations whose observed geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation r=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations whose observed geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation r=te::dt::DURING, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations whose phenomenon times satisfy a given temporal relation. More...

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation tr, const te::gm::Envelope &e, te::gm::SpatialRelation sr=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations whose observed geometries satisfy a given spatial relation and phenomenon times satisfy a given temporal relation. More...

virtual std::auto_ptr< ObservationDataSet > getDataSet (const ObservationDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation sr, const te::dt::DateTime &dt, te::dt::TemporalRelation tr=te::dt::DURING, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations whose observed geometries satisfy a given spatial relation and phenomenon times satisfy a given temporal relation. More...

Operations for loading TrajectoryDataSet

virtual void getInfo (const TrajectoryDataSetInfo &input, std::vector< TrajectoryDataSetInfo > &output)=0

It returns the information about all trajectories that exist in a single DataSet. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations of a trajectory. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation r, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns patches of a trajectory whose geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, const te::gm::Envelope &e, te::gm::SpatialRelation r, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns patches of a trajectory whose geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation r=te::dt::DURING, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations of trajectories whose times satisfy a given temporal relation. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation tr, const te::gm::Envelope &e, te::gm::SpatialRelation sr=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns patches of a trajectory whose envelope satisfy a given spatial relation and times satisfy a given temporal relation. More...

virtual std::auto_ptr< TrajectoryDataSet > getDataSet (const TrajectoryDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation sr, const te::dt::DateTime &dt, te::dt::TemporalRelation tr, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns patches of a trajectory whose geometries satisfy a given spatial relation and times satisfy a given temporal relation. More...

Operations for loading TimeSeriesDataSet

virtual void getInfo (const TimeSeriesDataSetInfo &input, std::vector< TimeSeriesDataSetInfo > &output)=0

It returns the information about all time series that exist in a single DataSet. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations of time series. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation r=te::dt::DURING, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns a data set with observations of time series whose times satisfy a given temporal relation. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, const te::gm::Envelope &e, te::gm::SpatialRelation r=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns data set with observations of time series whose geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation r=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns data set with observations of time series whose geometries satisfy a given spatial relation. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, const te::dt::DateTime &dt, te::dt::TemporalRelation tr, const te::gm::Envelope &e, te::gm::SpatialRelation sr=te::gm::INTERSECTS, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns data set with observations of time series whose geometries satisfy a given spatial relation and times satisfy a given temporal relation. More...

virtual std::auto_ptr< TimeSeriesDataSet > getDataSet (const TimeSeriesDataSetInfo &info, const te::gm::Geometry &geom, te::gm::SpatialRelation sr, const te::dt::DateTime &dt, te::dt::TemporalRelation tr, te::common::TraverseType travType=te::common::FORWARDONLY)=0

It returns data set with observations of time series whose geometries satisfy a given spatial relation and times satisfy a given temporal relation. More...

Operations for loading temporal and spatial extent

It returns a coverage series.

Parameters

info	Information about the DataSource which the observations of a coverage series are from and the data sets which contain these observations.

Returns: The returned CoverageSeries.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

It returns a time series associated to a point of a coverage series.

If info contains information about raster coverages and its associated data source supports raster data type, this function is executed by the data source. Otherwise, it is executed in two steps: (1) creating a CoverageSeries type and (2) using its method getTimeSeries.

Parameters

info	Information about the DataSource which the observations of a coverage series are from and the data sets which contain these observations.
p	A given point.

Returns: The returned CoverageSeries.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

\TO DO: (1) vantagem de usar o DataSetCoverageDataSet � ele fica armazenado no driver \em mem�ria (stmem) ao inv�s de toda hora gerar o CoverageSeries para cada ponto \que queremos extrair a time series.

virtual std::auto_ptr< te::dt::DateTimePeriod > getTemporalExtent (const ObservationDataSetInfo &info)=0

It returns the temporal extent of the data set with observations. More...

virtual std::auto_ptr< te::dt::DateTimePeriod > getTemporalExtent (const TrajectoryDataSetInfo &info)=0

It returns the temporal extent of the data set with observations of a trajectory. More...

virtual std::auto_ptr< te::dt::DateTimePeriod > getTemporalExtent (const TimeSeriesDataSetInfo &info)=0

It returns the temporal extent of the data set with observations of a time series. More...

virtual te::gm::Envelope getSpatialExtent (const ObservationDataSetInfo &info)=0

It returns the temporal extent of the data set with observations of a coverage series. More...

virtual te::gm::Envelope getSpatialExtent (const TrajectoryDataSetInfo &info)=0

It returns the spatial extent of the observations of a trajectory. More...

Detailed Description

An abstract class responsible for loading spatiotemporal data from data sources.

Note: The methods of this class can throw an Exception when internal errors occur.

See also: ObservationDataSet ObservationDataSetInfo; TrajectoryDataSet TrajectoryDataSetInfo; CoverageSeriesDataSet CoverageSeriesDataSetInfo

Definition at line 78 of file STDataLoaderImpl.h.

Constructor & Destructor Documentation

te::st::STDataLoaderImpl::STDataLoaderImpl ( )

Empty constructor.

virtual te::st::STDataLoaderImpl::~STDataLoaderImpl ( )

virtual

It returns the spatial extent of the observations of a coverage series.

Returns: The spatial extent of the observations of a coverage series.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Virtual destructor.

Member Function Documentation

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a ObservationDataSet, that is, a DataSet that contains observations.

Parameters

info	Information about the DataSource which the observation are from and the DataSet which contains the observations.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	r = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations whose observed geometries satisfy a given spatial relation.

Parameters

info	Information about the DataSource which the observation are from and the DataSet which contains the observations.
e	A given envelope.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	r = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations whose observed geometries satisfy a given spatial relation.

The possible spatial relations implemented here are: INTERSECTS

Parameters

info	Information about the DataSource which the observation are from and the DataSet which contains the observations.
geom	A given geometry.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	r = `te::dt::DURING`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations whose phenomenon times satisfy a given temporal relation.

The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;S;

Parameters

info	Information about the DataSource which the observation are from and the DataSet which contains the observations.
dt	A given datetime.
r	A given temporal relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: The caller will take the ownership of the returned pointer.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	sr = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations whose observed geometries satisfy a given spatial relation and phenomenon times satisfy a given temporal relation.

The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observation of trajectpries are from and the DataSet which contains the observations.
dt	A given datetime.
tr	A given temporal relation.
e	A given envelope.
sr	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: Before using this method, certify that the Data Source exists in the DataSourceManager and its "id" is correct in the info parameter; The caller will take the ownership of the returned pointer.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<ObservationDataSet> te::st::STDataLoaderImpl::getDataSet	(	const ObservationDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	sr,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr = `te::dt::DURING`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations whose observed geometries satisfy a given spatial relation and phenomenon times satisfy a given temporal relation.

The possible spatial relations are: INTERSECTS The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observation are from and the DataSet which contains the observations.
geom	A given geometry.
sr	A given spatial relation.
dt	A given datetime.
tr	A given temporal relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new ObservationDataSet.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointers.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations of a trajectory.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

Parameters

info	Information about the DataSource which the observations of a trajectory are from and the DataSet which contains these observations.
travType	The traverse type associated to the returned datasets.
rwRole	The read and write permission associated to the returned datasets.

Returns: The returned TrajectoryDataSet.

Note: The info must have the id of the desire trajectory; The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	r,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns patches of a trajectory whose geometries satisfy a given spatial relation.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

The possible spatial relations implemented here are: INTERSECTS

Parameters

info	Information about the DataSource which the observations of a trajectory are from and the DataSet which contains these observations.
geom	A given geometry.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned trajectoy data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	r,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns patches of a trajectory whose geometries satisfy a given spatial relation.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

Parameters

info	Information about the DataSource which the observations of a trajectory are from and the DataSet which contains the observations.
e	A given envelope.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned trajectoy data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	r = `te::dt::DURING`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations of trajectories whose times satisfy a given temporal relation.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observation of trajectpries are from and the DataSet which contains the observations.
dt	A given datetime.
r	A given temporal relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new TrajectoryDataSet.

Note: The caller will take the ownership of the returned pointer.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	sr = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns patches of a trajectory whose envelope satisfy a given spatial relation and times satisfy a given temporal relation.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observation of trajectpries are from and the DataSet which contains the observations.
dt	A given datetime.
tr	A given temporal relation.
e	A given envelope.
sr	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new TrajectoryDataSet.

Note: Before using this method, certify that the Data Source exists in the DataSourceManager and its "id" is correct in the info parameter; The caller will take the ownership of the returned pointer.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TrajectoryDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TrajectoryDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	sr,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns patches of a trajectory whose geometries satisfy a given spatial relation and times satisfy a given temporal relation.

When the DataSet contains more than one trajectory, the info parameter (TrajectoryDataSetInfo) must contain the id of the desire trajectory that must be returned as a TrajectoryDataSet.

The possible spatial relations are: INTERSECTS The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observations of trajectories are from and the DataSet which contains these observations.
geom	A given geometry.
sr	A given spatial relation.
dt	A given datetime.
tr	A given temporal relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned trajectoy data set.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointers.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations of time series.

When the DataSet contains more than one time series, the info parameter (TimeSeriesDataSetInfo) must contain the id of the desire time series that must be returned as a TimeSeriesDataSet.

Parameters

info	Information about the DataSource which the observations of a time series are from and the DataSet which contains these observations.
travType	The traverse type associated to the returned datasets.

Returns: The returned TrajectoryDataSet.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	r = `te::dt::DURING`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns a data set with observations of time series whose times satisfy a given temporal relation.

When the DataSet contains more than one time series, the info parameter (TimeSeriesDataSetInfo) must contain the id of the desire time series that must be returned as a TimeSeriesDataSet.

The possible temporal relations are:

BEFORE; 2. AFTER; 3. DURING; 4. EQUALS;
MEETS; 6. OVERLAPS 7 - STARTS; 8 -FINISHES;

Parameters

info	Information about the DataSource which the observation of time series are from and the DataSet which contains the observations.
dt	A given datetime.
r	A given temporal relation.
travType	The traverse type associated to the returned dataset.

Returns: A pointer to a new TimeSeriesDataSet.

Note: The caller will take the ownership of the returned pointer.; When the temporal relation is DURING, dt must be a time period.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	r = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns data set with observations of time series whose geometries satisfy a given spatial relation.

Parameters

info	Information about the DataSource which the observations of a time series are from and the DataSet which contains the observations.
e	A given envelope.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned time series data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	r = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns data set with observations of time series whose geometries satisfy a given spatial relation.

Parameters

info	Information about the DataSource which the observations of a time series are from and the DataSet which contains the observations.
geom	A given geometry.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned time series data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr,
		const te::gm::Envelope &	e,
		te::gm::SpatialRelation	sr = `te::gm::INTERSECTS`,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns data set with observations of time series whose geometries satisfy a given spatial relation and times satisfy a given temporal relation.

Parameters

info	Information about the DataSource which the observations of a time series are from and the DataSet which contains the observations.
dt	A given datetime.
tr	A given temporal relation.
e	A given envelope.
sr	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned time series data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<TimeSeriesDataSet> te::st::STDataLoaderImpl::getDataSet	(	const TimeSeriesDataSetInfo &	info,
		const te::gm::Geometry &	geom,
		te::gm::SpatialRelation	sr,
		const te::dt::DateTime &	dt,
		te::dt::TemporalRelation	tr,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

pure virtual

It returns data set with observations of time series whose geometries satisfy a given spatial relation and times satisfy a given temporal relation.

Parameters

info	Information about the DataSource which the observations of a time series are from and the DataSet which contains the observations.
e	A given envelope.
r	A given spatial relation.
travType	The traverse type associated to the returned dataset.

Returns: The returned time series data set.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual void te::st::STDataLoaderImpl::getInfo	(	const TrajectoryDataSetInfo &	input,
		std::vector< TrajectoryDataSetInfo > &	output
	)

pure virtual

It returns the information about all trajectories that exist in a single DataSet.

The information about the DataSource and DataSet that contains trajectories is defined as a TrajectoryDataSetInfo (input parameter).

The information about each trajectory (its correct id) is returned as a TrajectoryDataSetInfo of the parameter output. These results can be used to create TrajectoryDataSetLayers.

Parameters

input	The information about the DataSource and DataSet that contains trajectories
output	The information about each trajectory (its correct id).

Note: It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual void te::st::STDataLoaderImpl::getInfo	(	const TimeSeriesDataSetInfo &	input,
		std::vector< TimeSeriesDataSetInfo > &	output
	)

pure virtual

It returns the information about all time series that exist in a single DataSet.

The information about the DataSource and DataSet that contains time series is defined as a TimeSeriesDataSetInfo (input parameter).

The information about each time series (its correct id) is returned as a TimeSeriesDataSetInfo of the parameter output. These results can be used to create TimeSeriesDataSetLayers.

Parameters

input	The information about the DataSource and DataSet that contains time series
output	The information about each time series (its correct id).

Note: It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual te::gm::Envelope te::st::STDataLoaderImpl::getSpatialExtent ( const ObservationDataSetInfo & info )

pure virtual

It returns the temporal extent of the data set with observations of a coverage series.

Returns: The temporal extent of the observations of a coverage series.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointer "info".; It can throw an Exception when internal errors occur.

It returns the spatial extent of the observations, when there is an observed value of geometry type.

Returns: The spatial extent of the observations.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual te::gm::Envelope te::st::STDataLoaderImpl::getSpatialExtent ( const TrajectoryDataSetInfo & info )

pure virtual

It returns the spatial extent of the observations of a trajectory.

Returns: The spatial extent of the observations of a trajectory.

Note: The caller will take the ownership of the returned pointer.; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<te::dt::DateTimePeriod> te::st::STDataLoaderImpl::getTemporalExtent ( const ObservationDataSetInfo & info )

pure virtual

It returns the temporal extent of the data set with observations.

Returns: The temporal extent of the observations.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointer "info".; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<te::dt::DateTimePeriod> te::st::STDataLoaderImpl::getTemporalExtent ( const TrajectoryDataSetInfo & info )

pure virtual

It returns the temporal extent of the data set with observations of a trajectory.

Returns: The temporal extent of the observations of a trajectory.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointer "info".; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

virtual std::auto_ptr<te::dt::DateTimePeriod> te::st::STDataLoaderImpl::getTemporalExtent ( const TimeSeriesDataSetInfo & info )

pure virtual

It returns the temporal extent of the data set with observations of a time series.

Returns: The temporal extent of the observations of a time series.

Note: The caller will take the ownership of the returned pointer.; It will NOT take the ownership of the given pointer "info".; It can throw an Exception when internal errors occur.

Implemented in te::st::STDataLoaderFromMemDS, and te::st::STDataLoaderFromDS.

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

/home/castejon/castejon_files/develop/terralib5/git_master/terralib5/src/terralib/st/loader/STDataLoaderImpl.h