Public Member Functions
	DEMInterpolator ()
	Default constructor with reference height of 0, bilinear interpolation.

	DEMInterpolator (float height, int epsg=4326)
	Constructor with custom reference height and bilinear interpolation.

	DEMInterpolator (float height, isce3::core::dataInterpMethod method, int epsg=4326)
	Constructor with custom reference height and custom interpolator method.

	~DEMInterpolator ()
	Destructor.

void	loadDEM (isce3::io::Raster &demRaster, double minX, double maxX, double minY, double maxY)
	Read in subset of data from a DEM with a supported projection. More...

void	loadDEM (isce3::io::Raster &demRaster)
	Read in entire DEM with a supported projection. More...

void	declare () const

void	computeHeightStats (float &maxValue, float &meanValue, pyre::journal::info_t &info)
	Compute max and mean DEM height. More...

double	interpolateLonLat (double lon, double lat) const
	Interpolate at a given longitude and latitude. More...

double	interpolateXY (double x, double y) const
	Interpolate at native XY coordinates of DEM. More...

double	xStart () const
	Get starting X coordinate.

void	xStart (double xstart)
	Set starting X coordinate.

double	yStart () const
	Get starting Y coordinate.

void	yStart (double ystart)
	Set starting Y coordinate.

double	deltaX () const
	Get X spacing.

void	deltaX (double deltax)
	Set X spacing.

double	deltaY () const
	Get Y spacing.

void	deltaY (double deltay)
	Set Y spacing.

double	midX () const
	Get mid X coordinate.

double	midY () const
	Get mid Y coordinate.

cartesian_t	midLonLat () const
	Get mid longitude and latitude.

bool	haveRaster () const
	Flag indicating whether a DEM raster has been loaded.

double	refHeight () const
	Get reference height of interpolator.

void	refHeight (double h)
	Set reference height of interpolator.

double	meanHeight () const
	Get mean height value.

double	maxHeight () const
	Get max height value.

float *	data ()
	Get pointer to underlying DEM data.

const float *	data () const
	Get pointer to underlying DEM data.

size_t	width () const
	Get width of DEM data used for interpolation.

void	width (int width)
	Set width of DEM data used for interpolation.

size_t	length () const
	Get length of DEM data used for interpolation.

void	length (int length)
	Set length of DEM data used for interpolation.

int	epsgCode () const
	Get EPSG code for input DEM.

void	epsgCode (int epsgcode)
	Set EPSG code for input DEM.

isce3::core::dataInterpMethod	interpMethod () const
	Get interpolator method enum.

void	interpMethod (isce3::core::dataInterpMethod interpMethod)
	Set interpolator method enum.

Member Function Documentation

void isce3::geometry::DEMInterpolator::computeHeightStats	(	float &	maxValue,
		float &	meanValue,
		pyre::journal::info_t &	info
	)

Compute max and mean DEM height.

Parameters

[out]	maxValue	Maximum DEM height
[out]	meanValue	Mean DEM height
[in]	info	Pyre journal channel for printing info.

double isce3::geometry::DEMInterpolator::interpolateLonLat	(	double	lon,
		double	lat
	)		const

Interpolate at a given longitude and latitude.

Parameters

[in]	lon	Longitude of interpolation point.
[in]	lat	Latitude of interpolation point.

Interpolate DEM at a given longitude and latitude

double isce3::geometry::DEMInterpolator::interpolateXY	(	double	x,
		double	y
	)		const

Interpolate at native XY coordinates of DEM.

Parameters

[in]	x	X-coordinate of interpolation point.
[in]	y	Y-coordinate of interpolation point.

Interpolate DEM at native coordinates

void isce3::geometry::DEMInterpolator::loadDEM	(	isce3::io::Raster &	demRaster,
		double	minX,
		double	maxX,
		double	minY,
		double	maxY
	)

Read in subset of data from a DEM with a supported projection.

Parameters

[in]	demRaster	input DEM raster to subset
[in]	minLon	Longitude of western edge of bounding box
[in]	maxLon	Longitude of eastern edge of bounding box
[in]	minLat	Latitude of southern edge of bounding box
[in]	maxLat	Latitude of northern edge of bounding box

Loads a DEM subset given the extents of a bounding box

void isce3::geometry::DEMInterpolator::loadDEM ( isce3::io::Raster & demRaster )

Read in entire DEM with a supported projection.

Parameters

[in] demRaster input DEM raster to subset

Loads the entire DEM

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

isce/cxx/isce3/geometry/DEMInterpolator.h
isce/cxx/isce3/geometry/DEMInterpolator.cpp

Public Member Functions

Member Function Documentation