Extraction of attributes from Raster, Bands, and Polygons. More...

#include <RasterAttributes.h>

Inheritance diagram for te::rp::RasterAttributes:

Public Member Functions
bool	execute (AlgorithmOutputParameters &outputParams) throw (te::rp::Exception)
	Executes the algorithm using the supplied parameters. More...

boost::numeric::ublas::matrix< std::complex< double > >	getComplexCovarianceMatrix (const std::vector< std::vector< std::complex< double > > > &vpixels, const std::vector< std::complex< double > > &vmeans)
	Returns the covariance matrix between vectors of pixel values. More...

te::stat::NumericStatisticalComplexSummary	getComplexStatistics (std::vector< std::complex< double > > &pixels)
	Returns several statistics from a set of pixels (real and imag). More...

std::vector< std::complex< double > >	getComplexValuesFromBand (const te::rst::Raster &raster, unsigned int band, const te::gm::Polygon &polygon)
	Returns the pixel values (real and imag) for the band, inside the polygon. More...

std::vector< std::vector< std::complex< double > > >	getComplexValuesFromRaster (const te::rst::Raster &raster, const te::gm::Polygon &polygon, std::vector< unsigned int > bands, unsigned int rowstep=1, unsigned int colstep=1)
	Returns the pixel values (real and imag) for all the bands in raster, inside the polygon. More...

boost::numeric::ublas::matrix< double >	getCovarianceMatrix (const std::vector< std::vector< double > > &vpixels, const std::vector< double > &vmeans)
	Returns the covariance matrix between vectors of pixel values. More...

boost::numeric::ublas::matrix< double >	getGLCM (const te::rst::Raster &rin, unsigned int band, int dx, int dy, double minPixel, double maxPixel, double gLevels=256)
	Computes the Gray-Level Co-occurrence Matrix (GLCM) from a raster band. More...

boost::numeric::ublas::matrix< double >	getGLCM (const te::rst::Raster &rin, unsigned int band, int dx, int dy, const te::gm::Polygon &polygon, double minPixel, double maxPixel, double gLevels=256)
	Computes the Gray-Level Co-occurrence Matrix (GLCM) from a raster band, inside the polygon. More...

te::rp::Texture	getGLCMMetrics (boost::numeric::ublas::matrix< double > glcm)
	Compute texture metrics from GLCM matrix. More...

te::stat::NumericStatisticalSummary	getStatistics (std::vector< double > &pixels)
	Returns several statistics from a set of pixels. More...

void	getStatisticsFromPolygon (const te::rst::Raster &raster, unsigned int band, const te::gm::Polygon &polygon, te::stat::NumericStatisticalSummary &summary)
	Computes several statistics from a set of pixels inside a polygon. More...

std::vector< double >	getValuesFromBand (const te::rst::Raster &raster, unsigned int band, const te::gm::Polygon &polygon)
	Returns the pixel values for the band, inside the polygon. More...

std::vector< std::vector< double > >	getValuesFromRaster (const te::rst::Raster &raster, const te::gm::Polygon &polygon, std::vector< unsigned int > bands, unsigned int rowstep=1, unsigned int colstep=1)
	Returns the pixel values for all the bands in raster, inside the polygon. More...

bool	initialize (const AlgorithmInputParameters &inputParams) throw (te::rp::Exception)
	Initialize the algorithm instance making it ready for execution. More...

bool	isInitialized () const
	Returns true if the algorithm instance is initialized and ready for execution. More...

	RasterAttributes ()
	Public constructor. More...

void	reset () throw (te::rp::Exception)
	Clear all internal allocated objects and reset the algorithm to its initial state. More...

	~RasterAttributes ()

Detailed Description

Extraction of attributes from Raster, Bands, and Polygons.

Definition at line 64 of file RasterAttributes.h.

Constructor & Destructor Documentation

te::rp::RasterAttributes::RasterAttributes ( )

Public constructor.

te::rp::RasterAttributes::~RasterAttributes ( )

Member Function Documentation

bool te::rp::RasterAttributes::execute	(	AlgorithmOutputParameters &	outputParams	)
throw	(	te::rp::Exception
	)

virtual

Executes the algorithm using the supplied parameters.

Parameters

outputParams Output parameters.

Returns: true if OK, false on errors.

Implements te::rp::Algorithm.

boost::numeric::ublas::matrix<std::complex <double> > te::rp::RasterAttributes::getComplexCovarianceMatrix	(	const std::vector< std::vector< std::complex< double > > > &	vpixels,
		const std::vector< std::complex< double > > &	vmeans
	)

Returns the covariance matrix between vectors of pixel values.

Parameters

vpixels	The vector of pixel vectors, with vpixels[band][pixel].
vmeans	The vector of pixels means, one mean per vector of pixels.

Returns: The covariance matrix between the vectors of pixel values.

Warning: All vectors sizes must fit.

te::stat::NumericStatisticalComplexSummary te::rp::RasterAttributes::getComplexStatistics ( std::vector< std::complex< double > > & pixels )

Returns several statistics from a set of pixels (real and imag).

Parameters

pixels A vector of pixel values.

Returns: A series of statistics (

See also: te::stat::NumericStatisticalSummary).

std::vector<std::complex<double> > te::rp::RasterAttributes::getComplexValuesFromBand	(	const te::rst::Raster &	raster,
		unsigned int	band,
		const te::gm::Polygon &	polygon
	)

Returns the pixel values (real and imag) for the band, inside the polygon.

Parameters

raster	The input raster.
band	The position of the input band.
polygon	The input polygon.

Returns: The pixel values for the band, inside the polygon.

Warning: Band and polygon must fit.

std::vector<std::vector<std::complex<double> > > te::rp::RasterAttributes::getComplexValuesFromRaster	(	const te::rst::Raster &	raster,
		const te::gm::Polygon &	polygon,
		std::vector< unsigned int >	bands,
		unsigned int	rowstep = `1`,
		unsigned int	colstep = `1`
	)

Returns the pixel values (real and imag) for all the bands in raster, inside the polygon.

Parameters

raster	The input band.
polygon	The input polygon.
bands	Bands to be processed from the input raster.

Returns: A vector with the pixel values for all the bands in raster, inside the polygon, with values[band][pixel].

Warning: Bands and polygon must fit.

boost::numeric::ublas::matrix<double> te::rp::RasterAttributes::getCovarianceMatrix	(	const std::vector< std::vector< double > > &	vpixels,
		const std::vector< double > &	vmeans
	)

Returns the covariance matrix between vectors of pixel values.

Parameters

vpixels	The vector of pixel vectors, with vpixels[band][pixel].
vmeans	The vector of pixels means, one mean per vector of pixels.

Returns: The covariance matrix between the vectors of pixel values.

Warning: All vectors sizes must fit.

boost::numeric::ublas::matrix<double> te::rp::RasterAttributes::getGLCM	(	const te::rst::Raster &	rin,
		unsigned int	band,
		int	dx,
		int	dy,
		double	minPixel,
		double	maxPixel,
		double	gLevels = `256`
	)

Computes the Gray-Level Co-occurrence Matrix (GLCM) from a raster band.

Parameters

rin	The input raster.
band	The input band position.
dx	The displacement in x direction, to be considered as neighborhood, can be either + or -.
dy	The displacement in y direction, to be considered as neighborhood, can be either + or -.
minPixel	The minimum GL pixel value that occurs in the band.
maxPixel	The maximum GL pixel value that occurs in the band.
gLevels	The number of Gray Levels (GL) to normalize the GLCM. The GLs will be normalized to the interval [0,(gLevels - 1)]. It is important to emphasize that the matrix will have 'gLevels' lines and 'gLevels' columns. Default value is 256, normalizing the GLs to the interval [0, 255].

Returns: The GLCM from the raster band.

Exceptions

te::common::Exception It will throw an exception if the parameters minPixel and maxPixel were not passed as parameters.

Warning: The pixels from the input band will be considered of type unsigned int.

boost::numeric::ublas::matrix<double> te::rp::RasterAttributes::getGLCM	(	const te::rst::Raster &	rin,
		unsigned int	band,
		int	dx,
		int	dy,
		const te::gm::Polygon &	polygon,
		double	minPixel,
		double	maxPixel,
		double	gLevels = `256`
	)

Computes the Gray-Level Co-occurrence Matrix (GLCM) from a raster band, inside the polygon.

Parameters

rin	The input raster.
band	The input band position.
dx	The displacement in x direction, to be considered as neighborhood, can be either + or -.
dy	The displacement in y direction, to be considered as neighborhood, can be either + or -.
polygon	The input polygon.
minPixel	The minimum GL pixel value that occurs in the band.
maxPixel	The maximum GL pixel value that occurs in the band.
gLevels	The number of Gray Levels (GL) to normalize the GLCM. The GLs will be normalized to the interval [0,(gLevels - 1)]. It is important to emphasize that the matrix will have 'gLevels' lines and 'gLevels' columns. Default value is 256, normalizing the GLs to the interval [0, 255].

Returns: The GLCM from the raster band, inside the polygon.

Exceptions

te::common::Exception It will throw an exception if the parameters minPixel and maxPixel were not passed as parameters.

Warning: The pixels from the input band will be considered of type unsigned int.

te::rp::Texture te::rp::RasterAttributes::getGLCMMetrics ( boost::numeric::ublas::matrix< double > glcm )

Compute texture metrics from GLCM matrix.

Parameters

glcm	The input GLCM matrix.

Returns: The Texture structure will all available metrics computed

te::stat::NumericStatisticalSummary te::rp::RasterAttributes::getStatistics ( std::vector< double > & pixels )

Returns several statistics from a set of pixels.

Parameters

pixels A vector of pixel values.

Returns: A series of statistics (

See also: te::stat::NumericStatisticalSummary).

void te::rp::RasterAttributes::getStatisticsFromPolygon	(	const te::rst::Raster &	raster,
		unsigned int	band,
		const te::gm::Polygon &	polygon,
		te::stat::NumericStatisticalSummary &	summary
	)

Computes several statistics from a set of pixels inside a polygon.

Parameters

raster	The input raster.
band	The number of the band to compute the statistics.
polygon	The input polygon.
summary	The statistical summary that will be filled by the method (

See also: te::stat::NumericStatisticalSummary).

std::vector<double> te::rp::RasterAttributes::getValuesFromBand	(	const te::rst::Raster &	raster,
		unsigned int	band,
		const te::gm::Polygon &	polygon
	)

Returns the pixel values for the band, inside the polygon.

Parameters

raster	The input raster.
band	The position of the input band.
polygon	The input polygon.

Returns: The pixel values for the band, inside the polygon.

Warning: Band and polygon must fit.

std::vector<std::vector<double> > te::rp::RasterAttributes::getValuesFromRaster	(	const te::rst::Raster &	raster,
		const te::gm::Polygon &	polygon,
		std::vector< unsigned int >	bands,
		unsigned int	rowstep = `1`,
		unsigned int	colstep = `1`
	)

Returns the pixel values for all the bands in raster, inside the polygon.

Parameters

raster	The input band.
polygon	The input polygon.
bands	Bands to be processed from the input raster.

Returns: A vector with the pixel values for all the bands in raster, inside the polygon, with values[band][pixel].

Warning: Bands and polygon must fit.

bool te::rp::RasterAttributes::initialize	(	const AlgorithmInputParameters &	inputParams	)
throw	(	te::rp::Exception
	)

virtual

Initialize the algorithm instance making it ready for execution.

Parameters

inputParams Input parameters.

Returns: true if OK, false on errors.

Note: A return error string can be obtained via te::rp::Module::getLastLogStr()

Implements te::rp::Algorithm.

bool te::rp::RasterAttributes::isInitialized ( ) const

virtual

Returns true if the algorithm instance is initialized and ready for execution.

Returns: true if the algorithm instance is initialized and ready for execution.

Implements te::rp::Algorithm.

void te::rp::RasterAttributes::reset	(		)
throw	(	te::rp::Exception
	)

virtual

Clear all internal allocated objects and reset the algorithm to its initial state.

Implements te::rp::Algorithm.

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

/home/castejon/castejon_files/develop/terralib5/git_master/src/terralib/rp/RasterAttributes.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation