isce3::cuda::geometry::gpuDEMInterpolator Class Reference

Public Member Functions
CUDA_HOSTDEV	gpuDEMInterpolator ()
	Default constructor .
CUDA_HOSTDEV	gpuDEMInterpolator (float height)
	Constructor with a constant height .
	~gpuDEMInterpolator ()
	Destructor.
CUDA_HOST	gpuDEMInterpolator (const isce3::geometry::DEMInterpolator &)
	Copy constructor from CPU DEMInterpolator.
CUDA_HOSTDEV	gpuDEMInterpolator (gpuDEMInterpolator &)
	Copy constructor on device.
CUDA_DEV float	interpolateLonLat (double lon, double lat) const
	Interpolate at a given longitude and latitude.
CUDA_DEV float	interpolateXY (double x, double y) const
	Interpolate at native XY coordinates of DEM.
CUDA_DEV double	midX () const
	Middle X and Y coordinates.
CUDA_DEV double	midY () const
CUDA_DEV Vec3	midLonLat () const
	Middle lat/lon/refHeight.
CUDA_HOSTDEV double	xStart () const
	Get upper left X.
CUDA_HOSTDEV double	yStart () const
	Get upper left Y.
CUDA_HOSTDEV double	deltaX () const
	Get X spacing.
CUDA_HOSTDEV double	deltaY () const
	Get Y spacing.
CUDA_HOSTDEV bool	haveRaster () const
	Flag indicating whether we have a raster.
CUDA_HOSTDEV float	refHeight () const
	Reference height.
CUDA_HOSTDEV size_t	length () const
	DEM length.
CUDA_HOSTDEV size_t	width () const
	DEM width.
CUDA_HOSTDEV int	epsgCode () const
	EPSG code.
CUDA_HOSTDEV isce3::core::dataInterpMethod	interpMethod () const
	Interpolator method.
CUDA_HOSTDEV isce3::cuda::core::ProjectionBase **	proj () const
	Pointer to ProjectionBase pointer.
CUDA_HOSTDEV isce3::cuda::core::gpuInterpolator< float > **	interp () const
	Pointer to gpuInterpolator pointer.

Public Attributes
float *	_dem

Constructor & Destructor Documentation

gpuDEMInterpolator() [1/2]

__host__ isce3::cuda::geometry::gpuDEMInterpolator::gpuDEMInterpolator

(

const isce3::geometry::DEMInterpolator &

demInterp

)

Copy constructor from CPU DEMInterpolator.

Parameters

[in]

demInterp

DEMInterpolator object.

Copy DEM interpolator data to GPU device.

gpuDEMInterpolator() [2/2]

__host__ __device__ isce3::cuda::geometry::gpuDEMInterpolator::gpuDEMInterpolator

(

gpuDEMInterpolator &

demInterp

)

Copy constructor on device.

Parameters

[in]

demInterp

gpuDEMInterpolator object.

Copy DEM interpolator data within GPU device.

Member Function Documentation

interpolateLonLat()

__device__ float isce3::cuda::geometry::gpuDEMInterpolator::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.
[out]	value	Interpolated DEM height.

interpolateXY()

__device__ float isce3::cuda::geometry::gpuDEMInterpolator::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.
[out]	value	Interpolated DEM height.

midLonLat()

__device__ Vec3 isce3::cuda::geometry::gpuDEMInterpolator::midLonLat

(

)

const

Middle lat/lon/refHeight.

Parameters

[out]

double*

Array of lon-lat-h at middle of DEM.

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

• /home/runner/work/isce3/isce3/cxx/isce3/cuda/geometry/gpuDEMInterpolator.h
• /home/runner/work/isce3/isce3/cxx/isce3/cuda/geometry/gpuDEMInterpolator.cu