Auxiliary functions.

Raster processing auxiliary functions. More...

Enumerations
enum	te::rp::WaveletAtrousFilterType { te::rp::InvalidWAFilter, te::rp::B3SplineWAFilter, te::rp::TriangleWAFilter }
	Wavelet Atrous Filter types. More...

Functions
TERPEXPORT bool	te::rp::ComposeBands (te::rp::FeederConstRaster &feeder, const std::vector< unsigned int > &inputRasterBands, const te::rst::Interpolator::Method &interpMethod, const std::map< std::string, std::string > &outputRasterInfo, const std::string &outputDataSourceType, std::auto_ptr< te::rst::Raster > &outputRasterPtr)
	Compose a set of bands into one multi-band raster. More...
void TERPEXPORT	te::rp::Convert2DoublesVector (void *inputVector, const int inputVectorDataType, unsigned int inputVectorSize, double *outputVector)
	Convert vector elements. More...
void TERPEXPORT	te::rp::ConvertDoublesVector (double *inputVector, unsigned int inputVectorSize, const int outputVectorDataType, void *outputVector)
	Convert a doubles vector. More...
TERPEXPORT bool	te::rp::ConvertIHS2RGB (const te::rst::Raster &inputIHSRaster, const unsigned int intensityBandIdx, const unsigned int hueBandIdx, const unsigned int saturationBandIdx, const double rgbRangeMin, const double rgbRangeMax, te::rst::Raster &outputRGBRaster)
	IHS to RGB conversion. More...
TERPEXPORT bool	te::rp::ConvertRGB2IHS (const te::rst::Raster &inputRGBRaster, const unsigned int redBandIdx, const unsigned int greenBandIdx, const unsigned int blueBandIdx, const double rgbRangeMin, const double rgbRangeMax, te::rst::Raster &outputIHSRaster)
	RGB to IHS conversion. More...
bool TERPEXPORT	te::rp::Copy2DiskRaster (const te::rst::Raster &inputRaster, const std::string &fileName)
	Create a new raster into a GDAL datasource. More...
bool TERPEXPORT	te::rp::CreateNewGdalRaster (const te::rst::Grid &rasterGrid, std::vector< te::rst::BandProperty * > bandsProperties, const std::string &fileName, RasterHandler &outRasterHandler)
	Create a new raster into a GDAL datasource. More...
bool TERPEXPORT	te::rp::CreateNewGdalRaster (const te::rst::Grid &rasterGrid, std::vector< te::rst::BandProperty * > bandsProperties, const std::string &fileName, std::auto_ptr< te::rst::Raster > &outRasterPtr)
	Create a new raster into a GDAL datasource. More...
bool TERPEXPORT	te::rp::CreateNewMemRaster (const te::rst::Grid &rasterGrid, std::vector< te::rst::BandProperty * > bandsProperties, RasterHandler &outRasterHandler)
	Create a new raster into a new memory datasource. More...
bool TERPEXPORT	te::rp::CreateNewRaster (const te::rst::Grid &rasterGrid, const std::vector< te::rst::BandProperty * > &bandsProperties, const std::string &outDataSetName, const std::string &dataSourceType, RasterHandler &outRasterHandler)
	Create a new raster into the givem data source. More...
bool TERPEXPORT	te::rp::CreateNewRaster (const te::rst::Grid &rasterGrid, const std::vector< te::rst::BandProperty * > &bandsProperties, const std::string &outDataSetName, te::da::DataSource &outDataSource, RasterHandler &outRasterHandler)
	Create a new raster into the givem data source. More...
template<typename MatrixElementT >
bool	te::rp::CreateRasterFileFromMatrix (const te::rp::Matrix< MatrixElementT > &matrix, const bool normalize, const std::string &fileName)
	Create a tiff file from a matrix. More...
TERPEXPORT boost::numeric::ublas::matrix< double >	te::rp::CreateWaveletAtrousFilter (const WaveletAtrousFilterType &filterType)
	Create a Wavele Atrous Filter. More...
TERPEXPORT bool	te::rp::DecomposeBands (const te::rst::Raster &inputRaster, const std::vector< unsigned int > &inputRasterBands, const std::vector< std::map< std::string, std::string > > &outputRastersInfos, const std::string &outputDataSourceType, std::vector< boost::shared_ptr< te::rst::Raster > > &outputRastersPtrs)
	Decompose a multi-band raster into a set of one-band rasters. More...
TERPEXPORT bool	te::rp::DirectPrincipalComponents (const te::rst::Raster &inputRaster, const std::vector< unsigned int > &inputRasterBands, boost::numeric::ublas::matrix< double > &pcaMatrix, te::rst::Raster &pcaRaster, const std::vector< unsigned int > &pcaRasterBands, const unsigned int maxThreads)
	Generate all principal components from the given input raster. More...
TERPEXPORT bool	te::rp::DirectWaveletAtrous (const te::rst::Raster &inputRaster, const std::vector< unsigned int > &inputRasterBands, te::rst::Raster &waveletRaster, const unsigned int levelsNumber, const boost::numeric::ublas::matrix< double > &filter)
	Generate all wavelet planes from the given input raster. More...
TERPEXPORT std::vector< std::string >	te::rp::GetBandNames ()
	Returns a vector os with band's names. More...
TERPEXPORT bool	te::rp::GetCovarianceValue (const te::rst::Band &band1, const te::rst::Band &band2, const unsigned int maxThreads, double const *const mean1ValuePtr, double const *const mean2ValuePtr, double &covarianceValue)
	Get the covariance of band pixel values. More...
void TERPEXPORT	te::rp::GetDataTypeRange (const int dataType, double &min, double &max)
	Returns the real data type range (all values that can be represented by the given data type). More...
TERPEXPORT bool	te::rp::GetDetailedExtent (const te::rst::Grid &grid, te::gm::LinearRing &detailedExtent)
	Create a datailed extent from the given grid. More...
TERPEXPORT std::pair< double, double >	te::rp::GetDigitalNumberBandInfo (std::string bandName)
	Returns the maximun and minimum digital numbers of a given sensor/band. More...
TERPEXPORT double	te::rp::GetDigitalNumberBandMax (std::string bandName)
	Returns the maximum digital number of a given sensor/band. More...
TERPEXPORT bool	te::rp::GetIndexedDetailedExtent (const te::rst::Grid &grid, te::gm::LinearRing &indexedDetailedExtent)
	Create a indexed (lines,columns) datailed extent from the given grid. More...
TERPEXPORT bool	te::rp::GetMeanValue (const te::rst::Band &band, const unsigned int maxThreads, double &meanValue)
	Get the mean of band pixel values. More...
TERASTEREXPORT std::vector< te::gm::Point * >	te::rst::GetRandomPointsInRaster (const te::rst::Raster &inputRaster, unsigned int numberOfPoints=1000)
	Creates a vector of random positions (points) inside the raster. More...
TERPEXPORT std::pair< double, double >	te::rp::GetSpectralBandInfo (std::string bandName)
	Returns the maximun and minimum reflectance values of a given sensor/band. More...
TERPEXPORT double	te::rp::GetSpectralBandMax (std::string bandName)
	Returns the maximum reflectance value of a given sensor/band. More...
TERPEXPORT double	te::rp::GetSpectralBandMin (std::string bandName)
	Returns the minimum reflectance value of a given sensor/band. More...
TERPEXPORT bool	te::rp::GetStdDevValue (const te::rst::Band &band, const unsigned int maxThreads, double const *const meanValuePtr, double &stdDevValue)
	Get the standard deviation of band pixel values. More...
TERPEXPORT bool	te::rp::InversePrincipalComponents (const te::rst::Raster &pcaRaster, const boost::numeric::ublas::matrix< double > &pcaMatrix, te::rst::Raster &outputRaster, const std::vector< unsigned int > &outputRasterBands, const unsigned int maxThreads)
	Regenerate the original raster from its principal components. More...
TERPEXPORT bool	te::rp::InverseWaveletAtrous (const te::rst::Raster &waveletRaster, const unsigned int levelsNumber, te::rst::Raster &outputRaster, const std::vector< unsigned int > &outputRasterBands)
	Regenerate the original raster from its wavelets planes. More...
TERPEXPORT bool	te::rp::NormalizeRaster (te::rst::Raster &inputRaster, double nmin=0.0, double nmax=255.0)
	Normalizes one raster in a given interval. More...
TERPEXPORT bool	te::rp::RemapValues (const te::rst::Raster &inputRaster, const std::vector< unsigned int > &inputRasterBands, const boost::numeric::ublas::matrix< double > &remapMatrix, te::rst::Raster &outputRaster, const std::vector< unsigned int > &outputRasterBands, const unsigned int maxThreads)
	Remap pixel values using a remap function matrix. More...

Detailed Description

Raster processing auxiliary functions.

Enumeration Type Documentation

enum te::rp::WaveletAtrousFilterType

Wavelet Atrous Filter types.

Enumerator
InvalidWAFilter	Invalid filter type.
B3SplineWAFilter	Spline filter type.
TriangleWAFilter	Triangle filter type.

Definition at line 74 of file Functions.h.

Function Documentation

TERPEXPORT bool te::rp::ComposeBands	(	te::rp::FeederConstRaster &	feeder,
		const std::vector< unsigned int > &	inputRasterBands,
		const te::rst::Interpolator::Method &	interpMethod,
		const std::map< std::string, std::string > &	outputRasterInfo,
		const std::string &	outputDataSourceType,
		std::auto_ptr< te::rst::Raster > &	outputRasterPtr
	)

Compose a set of bands into one multi-band raster.

Parameters

feeder	Input rasters feeder.
inputRasterBands	Input raster bands (one band for each input raster).
interpMethod	The interpolator method to use.
outputRasterInfo	Output raster connection info.
outputDataSourceType	Output raster datasource type.
outputRasterPtr	A pointer to the generated output raster.

Returns

true if OK, false on errors.

Note

The first raster Grid will be taken as reference for the composed raster.

Referenced by te::rp::CreateRasterFileFromMatrix().

void TERPEXPORT te::rp::Convert2DoublesVector	(	void *	inputVector,
		const int	inputVectorDataType,
		unsigned int	inputVectorSize,
		double *	outputVector
	)

Convert vector elements.

Parameters

inputVector	Input vector.
inputVectorDataType	Input vector data type.
inputVectorSize	The numer of input vector elements.
outputVector	A pré-allocated output vector.

Note

The types are listed in terralib/datatype/DataTypes.h

Referenced by te::rp::GetDataTypeRange().

void TERPEXPORT te::rp::ConvertDoublesVector	(	double *	inputVector,
		unsigned int	inputVectorSize,
		const int	outputVectorDataType,
		void *	outputVector
	)

Convert a doubles vector.

Parameters

inputVector	Input vector.
inputVectorSize	The numer of input vector elements.
inputVectorDataType	Input vector data type.
outputVector	A pré-allocated output vector.

Note

The types are listed in terralib/datatype/DataTypes.h

Referenced by te::rp::GetDataTypeRange().

TERPEXPORT bool te::rp::ConvertIHS2RGB	(	const te::rst::Raster &	inputIHSRaster,
		const unsigned int	intensityBandIdx,
		const unsigned int	hueBandIdx,
		const unsigned int	saturationBandIdx,
		const double	rgbRangeMin,
		const double	rgbRangeMax,
		te::rst::Raster &	outputRGBRaster
	)

IHS to RGB conversion.

Parameters

inputIHSRaster	The input raster.
intensityBandIdx	The intensity band index.
hueBandIdx	The hue band index.
saturationBandIdx	The saturation band index.
rgbRangeMin	The minimum RGB value.
rgbRangeMax	The maximum RGB value.
outputRGBRaster	An output pré-initiated raster (with the same dimensions of inputIHSRaster) where the RGB data will be written.

Returns

true if OK, false on errors.

Note

IHS data with the following channels ranges: I:[0,1] H:[0,2pi] (radians) S:[0,1].

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::ConvertRGB2IHS	(	const te::rst::Raster &	inputRGBRaster,
		const unsigned int	redBandIdx,
		const unsigned int	greenBandIdx,
		const unsigned int	blueBandIdx,
		const double	rgbRangeMin,
		const double	rgbRangeMax,
		te::rst::Raster &	outputIHSRaster
	)

RGB to IHS conversion.

Parameters

inputRGBRaster	The input raster.
redBandIdx	The red band index.
greenBandIdx	The red band index.
blueBandIdx	The red band index.
rgbRangeMin	The minimum RGB value.
rgbRangeMax	The maximum RGB value.
outputIHSRaster	An output pré-initiated raster (with the same dimensions of inputRGBRaster) where the IHS data will be written (double or float as the data type).

Returns

true if OK, false on errors.

Note

The outputIHSRaster mas have a float or double data type.

IHS data with the following channels ranges: I:[0,1] H:[0,2pi] (radians) S:[0,1].

Referenced by te::rp::CreateRasterFileFromMatrix().

bool TERPEXPORT te::rp::Copy2DiskRaster	(	const te::rst::Raster &	inputRaster,
		const std::string &	fileName
	)

Create a new raster into a GDAL datasource.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
fileName	The output tif file name.
outRasterHandler	The created raster handler.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

bool TERPEXPORT te::rp::CreateNewGdalRaster	(	const te::rst::Grid &	rasterGrid,
		std::vector< te::rst::BandProperty * >	bandsProperties,
		const std::string &	fileName,
		RasterHandler &	outRasterHandler
	)

Create a new raster into a GDAL datasource.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
fileName	The output tif file name.
outRasterHandler	The created raster handler.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

bool TERPEXPORT te::rp::CreateNewGdalRaster	(	const te::rst::Grid &	rasterGrid,
		std::vector< te::rst::BandProperty * >	bandsProperties,
		const std::string &	fileName,
		std::auto_ptr< te::rst::Raster > &	outRasterPtr
	)

Create a new raster into a GDAL datasource.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
fileName	The output tif file name.
outRasterPtr	The created raster pointer.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

bool TERPEXPORT te::rp::CreateNewMemRaster	(	const te::rst::Grid &	rasterGrid,
		std::vector< te::rst::BandProperty * >	bandsProperties,
		RasterHandler &	outRasterHandler
	)

Create a new raster into a new memory datasource.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
outRasterHandler	The created raster handler.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

bool TERPEXPORT te::rp::CreateNewRaster	(	const te::rst::Grid &	rasterGrid,
		const std::vector< te::rst::BandProperty * > &	bandsProperties,
		const std::string &	outDataSetName,
		const std::string &	dataSourceType,
		RasterHandler &	outRasterHandler
	)

Create a new raster into the givem data source.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
outDataSetName	The data set name to give to the created data set.
dataSourceType	The data source type string (i.e. GDAL, MEM.)( See te::rst::RasterFactory dictionary for valid registered values ).
outRasterHandler	The created raster handler.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

bool TERPEXPORT te::rp::CreateNewRaster	(	const te::rst::Grid &	rasterGrid,
		const std::vector< te::rst::BandProperty * > &	bandsProperties,
		const std::string &	outDataSetName,
		te::da::DataSource &	outDataSource,
		RasterHandler &	outRasterHandler
	)

Create a new raster into the givem data source.

Parameters

rasterGrid	The template grid used to create the output raster.
bandsProperties	The template band properties used to create the output raster.
outDataSetName	The data set name to give to the created data set.
outDataSource	The data source to use when creating the output data set.
outRasterHandler	The created raster handler.

Returns

true if OK, false on errors.

Note

All bandsProperties pointed objects will be acquired by this function and must not be deleted.

template<typename MatrixElementT >

bool te::rp::CreateRasterFileFromMatrix	(	const te::rp::Matrix< MatrixElementT > &	matrix,
		const bool	normalize,
		const std::string &	fileName
	)

Create a tiff file from a matrix.

Parameters

matrix	The matrix.
normalize	Enable/disable pixel normalization (8bit);
tifFileName	Tif file name.
return	true if OK, false on errors.

Definition at line 219 of file Functions.h.

References te::rp::ComposeBands(), te::rp::ConvertIHS2RGB(), te::rp::ConvertRGB2IHS(), te::rp::CreateWaveletAtrousFilter(), te::rp::DecomposeBands(), te::rp::DirectPrincipalComponents(), te::rp::DirectWaveletAtrous(), te::dt::DOUBLE_TYPE, te::rp::GetBandNames(), te::rp::Matrix< TemplateElementType >::getColumnsNumber(), te::rp::GetCovarianceValue(), te::rp::GetDetailedExtent(), te::rp::GetDigitalNumberBandInfo(), te::rp::GetDigitalNumberBandMax(), te::rp::GetIndexedDetailedExtent(), te::rp::Matrix< TemplateElementType >::getLinesNumber(), te::rp::GetMeanValue(), te::rp::GetSpectralBandInfo(), te::rp::GetSpectralBandMax(), te::rp::GetSpectralBandMin(), te::rp::GetStdDevValue(), te::rst::GrayIdxCInt, te::sa::Grid, te::rp::InversePrincipalComponents(), te::rp::InverseWaveletAtrous(), te::rst::RasterFactory::make(), te::rp::NormalizeRaster(), te::rp::RasterResample(), te::rp::RemapValues(), TERP_TRUE_OR_RETURN_FALSE, TERPEXPORT, and te::dt::UCHAR_TYPE.

TERPEXPORT boost::numeric::ublas::matrix< double > te::rp::CreateWaveletAtrousFilter

(

const WaveletAtrousFilterType &

filterType

)

Create a Wavele Atrous Filter.

Parameters

filterType

The filter type.

Returns

the created filter.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::DecomposeBands	(	const te::rst::Raster &	inputRaster,
		const std::vector< unsigned int > &	inputRasterBands,
		const std::vector< std::map< std::string, std::string > > &	outputRastersInfos,
		const std::string &	outputDataSourceType,
		std::vector< boost::shared_ptr< te::rst::Raster > > &	outputRastersPtrs
	)

Decompose a multi-band raster into a set of one-band rasters.

Parameters

inputRaster	Input raster.
inputRasterBands	Input raster bands.
outputRastersInfos	Output rasters connections infos. (one info for each decomposed band).
outputDataSourceType	Output raster datasource type.
outputRastersPtrs	Pointers to the generated outputs rasters.

Returns

true if OK, false on errors.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::DirectPrincipalComponents	(	const te::rst::Raster &	inputRaster,
		const std::vector< unsigned int > &	inputRasterBands,
		boost::numeric::ublas::matrix< double > &	pcaMatrix,
		te::rst::Raster &	pcaRaster,
		const std::vector< unsigned int > &	pcaRasterBands,
		const unsigned int	maxThreads
	)

Generate all principal components from the given input raster.

Parameters

inputRaster	Input raster.
inputRasterBands	Input raster bands.
pcaMatrix	The matrix generated over the principal components process.
pcaRaster	The pré-initiated output PCA raster (with the same dimensions of inputRaster) and double as the data type.
pcaRasterBands	Output raster bands.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::DirectWaveletAtrous	(	const te::rst::Raster &	inputRaster,
		const std::vector< unsigned int > &	inputRasterBands,
		te::rst::Raster &	waveletRaster,
		const unsigned int	levelsNumber,
		const boost::numeric::ublas::matrix< double > &	filter
	)

Generate all wavelet planes from the given input raster.

Parameters

inputRaster	Input raster.
inputRasterBands	Input raster bands.
waveletRaster	The pré-initiated output wavelet raster (with the same dimensions of inputRaster) and double as the data type.
levelsNumber	The number of decomposed wavelet levels to generate for each input raster band;
filter	The square filter to use.

Returns

true if OK, false on errors.

Note

The band order of the generated wavelet levels: { [ band0-smoothed0, band0-wavelet0, ... , band0-smoothedN, band0-waveletN ], ... }

The number of bands of waveletRaster must be ( inputRasterBands.size() * 2 * levelsNumber ) at least.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT std::vector<std::string> te::rp::GetBandNames

(

)

Returns a vector os with band's names.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::GetCovarianceValue	(	const te::rst::Band &	band1,
		const te::rst::Band &	band2,
		const unsigned int	maxThreads,
		double const *const	mean1ValuePtr,
		double const *const	mean2ValuePtr,
		double &	covarianceValue
	)

Get the covariance of band pixel values.

Parameters

band1	The input band 1.
band2	The input band 2.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).
mean1ValuePtr	A pointer to a pre-calculated band1 mean value or zero if it does not exist.
mean2ValuePtr	A pointer to a pre-calculated band2 mean value or zero if it does not exist.
covarianceValue	The calculated covariance value.

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().

void TERPEXPORT te::rp::GetDataTypeRange ( const int  dataType, double &  min, double &  max  )

inline

Returns the real data type range (all values that can be represented by the given data type).

Parameters

dataType	The data type.
min	The minimum value.
max	The maximum value.

Note

The types are listed in terralib/datatype/DataTypes.h

Definition at line 180 of file Functions.h.

References te::rp::Convert2DoublesVector(), te::rp::ConvertDoublesVector(), te::rst::GetDataTypeRanges(), and TERPEXPORT.

TERPEXPORT bool te::rp::GetDetailedExtent	(	const te::rst::Grid &	grid,
		te::gm::LinearRing &	detailedExtent
	)

Create a datailed extent from the given grid.

Parameters

grid	Input grid.
detailedExtent	The created detailed extent.

Returns

true if ok, false on errors.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT std::pair<double, double> te::rp::GetDigitalNumberBandInfo

(

std::string

bandName

)

Returns the maximun and minimum digital numbers of a given sensor/band.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT double te::rp::GetDigitalNumberBandMax

(

std::string

bandName

)

Returns the maximum digital number of a given sensor/band.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::GetIndexedDetailedExtent	(	const te::rst::Grid &	grid,
		te::gm::LinearRing &	indexedDetailedExtent
	)

Create a indexed (lines,columns) datailed extent from the given grid.

Parameters

grid	Input grid.
indexedDetailedExtent	The created detailed extent.

Returns

true if ok, false on errors.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::GetMeanValue	(	const te::rst::Band &	band,
		const unsigned int	maxThreads,
		double &	meanValue
	)

Get the mean of band pixel values.

Parameters

band	The input raster band.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).
meanValue	The calculated mean value.

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERASTEREXPORT std::vector<te::gm::Point*> te::rst::GetRandomPointsInRaster	(	const te::rst::Raster &	inputRaster,
		unsigned int	numberOfPoints = 1000
	)

Creates a vector of random positions (points) inside the raster.

Parameters

inputRaster	The given raster.
numberOfPoints	The number of random positions to be created (default = 1000).

Returns

A vector of random positions (points).

TERPEXPORT std::pair<double, double> te::rp::GetSpectralBandInfo

(

std::string

bandName

)

Returns the maximun and minimum reflectance values of a given sensor/band.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT double te::rp::GetSpectralBandMax

(

std::string

bandName

)

Returns the maximum reflectance value of a given sensor/band.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT double te::rp::GetSpectralBandMin

(

std::string

bandName

)

Returns the minimum reflectance value of a given sensor/band.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::GetStdDevValue	(	const te::rst::Band &	band,
		const unsigned int	maxThreads,
		double const *const	meanValuePtr,
		double &	stdDevValue
	)

Get the standard deviation of band pixel values.

Parameters

band	The input raster band.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).
meanValuePtr	A pointer to a pre-calculated band mean value or zero if it does not exist.
stdDevValue	The calculated standard deviation value.

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::InversePrincipalComponents	(	const te::rst::Raster &	pcaRaster,
		const boost::numeric::ublas::matrix< double > &	pcaMatrix,
		te::rst::Raster &	outputRaster,
		const std::vector< unsigned int > &	outputRasterBands,
		const unsigned int	maxThreads
	)

Regenerate the original raster from its principal components.

Parameters

pcaRaster	The principal components raster (with the same dimensions of outputRaster).
pcaMatrix	The matrix generated by the direct principal components process.
outputRaster	The regenerated output raster (with the same dimentions.
outputRasterBands	Output raster bands.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::InverseWaveletAtrous	(	const te::rst::Raster &	waveletRaster,
		const unsigned int	levelsNumber,
		te::rst::Raster &	outputRaster,
		const std::vector< unsigned int > &	outputRasterBands
	)

Regenerate the original raster from its wavelets planes.

Parameters

waveletRaster	The input wavelet raster (with the same dimensions of outputRaster).
levelsNumber	The number of decomposed wavelet levels present inside the wavelet raster.
outputRaster	The regenerated output raster.
outputRasterBands	Output raster bands.

Returns

true if OK, false on errors.

Note

The band order of the expected wavelet levels: { [ band0-smoothed0, band0-wavelet0, ... , band0-smoothedN, band0-waveletN ], ... }

The number of bands of waveletRaster must be ( outputRasterBands.size() * 2 * levelsNumber ) at least.

Only the wavelet bands and the last smoothed band are used.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::NormalizeRaster	(	te::rst::Raster &	inputRaster,
		double	nmin = 0.0,
		double	nmax = 255.0
	)

Normalizes one raster in a given interval.

Parameters

inputRaster	The given raster.
nmin	The new minimum value (default = 0.0).
nmax	The new maximum value (default = 255.0).

Returns

true if normalization occurs and false otherwise.

Referenced by te::rp::CreateRasterFileFromMatrix().

TERPEXPORT bool te::rp::RemapValues	(	const te::rst::Raster &	inputRaster,
		const std::vector< unsigned int > &	inputRasterBands,
		const boost::numeric::ublas::matrix< double > &	remapMatrix,
		te::rst::Raster &	outputRaster,
		const std::vector< unsigned int > &	outputRasterBands,
		const unsigned int	maxThreads
	)

Remap pixel values using a remap function matrix.

Parameters

inputRaster	Input raster.
inputRasterBands	Input raster bands.
remapMatrix	The remap function matrix.
outputRaster	The pré-initiated output raster (with the same dimentions of inputRaster).
outputRasterBands	Output raster bands.
maxThreads	The maximum number of threads to use (0-auto, 1-single thread used).

Returns

true if OK, false on errors.

Note

Optimized for rasters where the used bands have the same blocking scheme.

Referenced by te::rp::CreateRasterFileFromMatrix().