Public Member Functions
void	geocode (const isce3::product::RadarGridParameters &radar_grid, isce3::io::Raster &input_raster, isce3::io::Raster &output_raster, isce3::io::Raster &dem_raster, isce3::geometry::geocodeOutputMode output_mode=isce3::geometry::geocodeOutputMode::INTERP, double geogrid_upsampling=1, isce3::geometry::rtcInputRadiometry input_radiometry=isce3::geometry::rtcInputRadiometry::BETA_NAUGHT, int exponent=0, float rtc_min_value_db=std::numeric_limits< float >::quiet_NaN(), double rtc_geogrid_upsampling=std::numeric_limits< double >::quiet_NaN(), rtcAlgorithm rtc_algorithm=rtcAlgorithm::RTC_AREA_PROJECTION, double abs_cal_factor=1, float clip_min=std::numeric_limits< float >::quiet_NaN(), float clip_max=std::numeric_limits< float >::quiet_NaN(), float min_nlooks=std::numeric_limits< float >::quiet_NaN(), float radar_grid_nlooks=1, isce3::io::Raster out_geo_vertices=nullptr, isce3::io::Raster out_dem_vertices=nullptr, isce3::io::Raster out_geo_nlooks=nullptr, isce3::io::Raster out_geo_rtc=nullptr, isce3::io::Raster input_rtc=nullptr, isce3::io::Raster output_rtc=nullptr, geocodeMemoryMode geocode_memory_mode=geocodeMemoryMode::AUTO, isce3::core::dataInterpMethod interp_method=isce3::core::dataInterpMethod::BIQUINTIC_METHOD)
	Geocode data from slant-range to map coordinates. More...

template<class T_out >
void	geocodeInterp (const isce3::product::RadarGridParameters &radar_grid, isce3::io::Raster &input_raster, isce3::io::Raster &output_raster, isce3::io::Raster &demRaster)
	Geocode using the interpolation algorithm. More...

template<class T_out >
void	geocodeAreaProj (const isce3::product::RadarGridParameters &radar_grid, isce3::io::Raster &input_raster, isce3::io::Raster &output_raster, isce3::io::Raster &dem_raster, isce3::geometry::geocodeOutputMode output_mode=isce3::geometry::geocodeOutputMode::AREA_PROJECTION, double geogrid_upsampling=1, isce3::geometry::rtcInputRadiometry input_radiometry=isce3::geometry::rtcInputRadiometry::BETA_NAUGHT, float rtc_min_value_db=std::numeric_limits< float >::quiet_NaN(), double rtc_geogrid_upsampling=std::numeric_limits< double >::quiet_NaN(), rtcAlgorithm rtc_algorithm=rtcAlgorithm::RTC_AREA_PROJECTION, double abs_cal_factor=1, float clip_min=std::numeric_limits< float >::quiet_NaN(), float clip_max=std::numeric_limits< float >::quiet_NaN(), float min_nlooks=std::numeric_limits< float >::quiet_NaN(), float radar_grid_nlooks=1, isce3::io::Raster out_geo_vertices=nullptr, isce3::io::Raster out_dem_vertices=nullptr, isce3::io::Raster out_geo_nlooks=nullptr, isce3::io::Raster out_geo_rtc=nullptr, isce3::io::Raster input_rtc=nullptr, isce3::io::Raster output_rtc=nullptr, geocodeMemoryMode geocode_memory_mode=geocodeMemoryMode::AUTO, isce3::core::dataInterpMethod interp_method=isce3::core::dataInterpMethod::BIQUINTIC_METHOD)
	Geocode using the area projection algorithm (adaptive multilooking) More...

void	geoGrid (double geoGridStartX, double geoGridStartY, double geoGridSpacingX, double geoGridSpacingY, int width, int length, int epsgcode)
	Set the output geogrid. More...

void	updateGeoGrid (const isce3::product::RadarGridParameters &radar_grid, isce3::io::Raster &dem_raster)
	Update the output geogrid with radar grid and DEM attributes. More...

void	interpolator (isce3::core::dataInterpMethod method)

void	doppler (isce3::core::LUT2d< double > doppler)

void	orbit (isce3::core::Orbit &orbit)

void	ellipsoid (isce3::core::Ellipsoid &ellipsoid)

void	thresholdGeo2rdr (double threshold)

void	numiterGeo2rdr (int numiter)

void	linesPerBlock (size_t linesPerBlock)

void	demBlockMargin (double demBlockMargin)

void	radarBlockMargin (int radarBlockMargin)

double	geoGridStartX () const

double	geoGridStartY () const

double	geoGridSpacingX () const

double	geoGridSpacingY () const

int	geoGridWidth () const

int	geoGridLength () const

Member Function Documentation

template<class T >

void isce3::geometry::Geocode< T >::geocode	(	const isce3::product::RadarGridParameters &	radar_grid,
		isce3::io::Raster &	input_raster,
		isce3::io::Raster &	output_raster,
		isce3::io::Raster &	dem_raster,
		isce3::geometry::geocodeOutputMode	output_mode = `isce3::geometry::geocodeOutputMode::INTERP`,
		double	geogrid_upsampling = `1`,
		isce3::geometry::rtcInputRadiometry	input_radiometry = `isce3::geometry::rtcInputRadiometry::BETA_NAUGHT`,
		int	exponent = `0`,
		float	rtc_min_value_db = `std::numeric_limits<float>::quiet_NaN()`,
		double	rtc_geogrid_upsampling = `std::numeric_limits<double>::quiet_NaN()`,
		rtcAlgorithm	rtc_algorithm = `rtcAlgorithm::RTC_AREA_PROJECTION`,
		double	abs_cal_factor = `1`,
		float	clip_min = `std::numeric_limits<float>::quiet_NaN()`,
		float	clip_max = `std::numeric_limits<float>::quiet_NaN()`,
		float	min_nlooks = `std::numeric_limits<float>::quiet_NaN()`,
		float	radar_grid_nlooks = `1`,
		isce3::io::Raster *	out_geo_vertices = `nullptr`,
		isce3::io::Raster *	out_dem_vertices = `nullptr`,
		isce3::io::Raster *	out_geo_nlooks = `nullptr`,
		isce3::io::Raster *	out_geo_rtc = `nullptr`,
		isce3::io::Raster *	input_rtc = `nullptr`,
		isce3::io::Raster *	output_rtc = `nullptr`,
		geocodeMemoryMode	geocode_memory_mode = `geocodeMemoryMode::AUTO`,
		isce3::core::dataInterpMethod	interp_method = `isce3::core::dataInterpMethod::BIQUINTIC_METHOD`
	)

Geocode data from slant-range to map coordinates.

Parameters

[in]	radar_grid	Radar grid
[in]	input_raster	Input raster
[out]	output_raster	Output raster
[in]	dem_raster	Input DEM raster
[in]	output_mode	Geocode method
[in]	geogrid_upsampling	Geogrid upsampling (in each direction)
[in]	input_radiometry	Terrain radiometry of the input raster
[in]	exponent	Exponent to be applied to the input data. The value 0 indicates that the the exponent is based on the data type of the input raster (1 for real and 2 for complex rasters).
[in]	rtc_min_value_db	Minimum value for the RTC area factor. Radar data with RTC area factor below this limit are ignored.
[in]	rtc_geogrid_upsampling	Geogrid upsampling (in each direction) used to compute the radiometric terrain correction RTC.
[in]	rtc_algorithm	RTC algorithm (RTC_DAVID_SMALL or RTC_AREA_PROJECTION)
[in]	abs_cal_factor	Absolute calibration factor.
[in]	clip_min	Clip (limit) minimum output values
[in]	clip_max	Clip (limit) maximum output values
[in]	min_nlooks	Minimum number of looks. Geogrid data below this limit will be set to NaN
[in]	radar_grid_nlooks	Radar grid number of looks. This parameters determines the multilooking factor used to compute out_geo_nlooks.
[out]	out_geo_vertices	Raster to which the radar-grid positions (range and azimuth) of the geogrid pixels vertices will be saved.
[out]	out_dem_vertices	Raster to which the interpolated DEM will be saved.
[out]	out_nlooks	Raster to which the number of radar-grid looks associated with the geogrid will be saved.
[out]	out_geo_rtc	Output RTC area factor (in geo-coordinates).
[in]	in_rtc	Input RTC area factor (in slant-range).
[out]	out_rtc	Output RTC area factor (in slant-range).
[in]	geocode_memory_mode	Select memory mode
[in]	interp_method	Data interpolation method

template<class T >

template<class T_out >

void isce3::geometry::Geocode< T >::geocodeAreaProj	(	const isce3::product::RadarGridParameters &	radar_grid,
		isce3::io::Raster &	input_raster,
		isce3::io::Raster &	output_raster,
		isce3::io::Raster &	dem_raster,
		isce3::geometry::geocodeOutputMode	output_mode = `isce3::geometry::geocodeOutputMode::AREA_PROJECTION`,
		double	geogrid_upsampling = `1`,
		isce3::geometry::rtcInputRadiometry	input_radiometry = `isce3::geometry::rtcInputRadiometry::BETA_NAUGHT`,
		float	rtc_min_value_db = `std::numeric_limits<float>::quiet_NaN()`,
		double	rtc_geogrid_upsampling = `std::numeric_limits<double>::quiet_NaN()`,
		rtcAlgorithm	rtc_algorithm = `rtcAlgorithm::RTC_AREA_PROJECTION`,
		double	abs_cal_factor = `1`,
		float	clip_min = `std::numeric_limits<float>::quiet_NaN()`,
		float	clip_max = `std::numeric_limits<float>::quiet_NaN()`,
		float	min_nlooks = `std::numeric_limits<float>::quiet_NaN()`,
		float	radar_grid_nlooks = `1`,
		isce3::io::Raster *	out_geo_vertices = `nullptr`,
		isce3::io::Raster *	out_dem_vertices = `nullptr`,
		isce3::io::Raster *	out_geo_nlooks = `nullptr`,
		isce3::io::Raster *	out_geo_rtc = `nullptr`,
		isce3::io::Raster *	input_rtc = `nullptr`,
		isce3::io::Raster *	output_rtc = `nullptr`,
		geocodeMemoryMode	geocode_memory_mode = `geocodeMemoryMode::AUTO`,
		isce3::core::dataInterpMethod	interp_method = `isce3::core::dataInterpMethod::BIQUINTIC_METHOD`
	)

Geocode using the area projection algorithm (adaptive multilooking)

Parameters

[in]	radar_grid	Radar grid
[in]	input_raster	Input raster
[out]	output_raster	Output raster
[in]	dem_raster	Input DEM raster
[in]	output_mode	Output mode
[in]	geogrid_upsampling	Geogrid upsampling (in each direction)
[in]	input_radiometry	Terrain radiometry of the input raster
[in]	rtc_min_value_db	Minimum value for the RTC area factor. Radar data with RTC area factor below this limit are ignored.
[in]	rtc_geogrid_upsampling	Geogrid upsampling (in each direction) used to compute the radiometric terrain correction RTC.
[in]	rtc_algorithm	RTC algorithm (RTC_DAVID_SMALL or RTC_AREA_PROJECTION)
[in]	abs_cal_factor	Absolute calibration factor.
[in]	clip_min	Clip (limit) minimum output values
[in]	clip_max	Clip (limit) maximum output values
[in]	min_nlooks	Minimum number of looks. Geogrid data below this limit will be set to NaN
[in]	radar_grid_nlooks	Radar grid number of looks. This parameters determines the multilooking factor used to compute out_nlooks.
[out]	out_geo_vertices	Raster to which the radar-grid positions (range and azimuth) of the geogrid pixels vertices will be saved.
[out]	out_dem_vertices	Raster to which the interpolated DEM will be saved.
[out]	out_geo_nlooks	Raster to which the number of radar-grid looks associated with the geogrid will be saved.
[out]	out_geo_rtc	Output RTC area factor (in geo-coordinates).
[in]	in_rtc	Input RTC area factor (in slant-range).
[out]	out_rtc	Output RTC area factor (in slant-range).
[in]	interp_method	Data interpolation method
[in]	geocode_memory_mode	Select memory mode

template<class T >

template<class T_out >

void isce3::geometry::Geocode< T >::geocodeInterp	(	const isce3::product::RadarGridParameters &	radar_grid,
		isce3::io::Raster &	input_raster,
		isce3::io::Raster &	output_raster,
		isce3::io::Raster &	demRaster
	)

Geocode using the interpolation algorithm.

Parameters

[in]	radar_grid	Radar grid
[in]	input_raster	Input raster
[out]	output_raster	Output raster
[in]	dem_raster	Input DEM raster

template<class T >

void isce3::geometry::Geocode< T >::geoGrid	(	double	geoGridStartX,
		double	geoGridStartY,
		double	geoGridSpacingX,
		double	geoGridSpacingY,
		int	width,
		int	length,
		int	epsgcode
	)

Set the output geogrid.

Parameters

[in]	geoGridStartY	Starting lat/northing position
[in]	geoGridSpacingY	Lat/northing step size
[in]	geoGridStartX	Starting lon/easting position
[in]	geoGridSpacingX	Lon/easting step size
[in]	geogrid_width	Geographic width (number of pixels) in the lon/easting direction
[in]	geogrid_length	Geographic length (number of pixels) in the lat/northing direction
[in]	epsgcode	Output geographic grid EPSG

template<class T >

void isce3::geometry::Geocode< T >::updateGeoGrid	(	const isce3::product::RadarGridParameters &	radar_grid,
		isce3::io::Raster &	dem_raster
	)

Update the output geogrid with radar grid and DEM attributes.

Parameters

[in]	radar_grid	Radar grid
[in]	dem_raster	Input DEM raster

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

isce/cxx/isce3/geometry/forward.h
isce/cxx/isce3/geometry/Geocode.h
isce/cxx/isce3/geometry/Geocode.cpp

Public Member Functions

Member Function Documentation