rt_band.c File Reference

#include <stdio.h>
#include "librtcore.h"
#include "librtcore_internal.h"
#include "cpl_vsi.h"
#include "gdal_vrt.h"

Include dependency graph for rt_band.c:

Go to the source code of this file.

Macros
#define	_LARGEFILE64_SOURCE   1

Functions
rt_band	rt_band_new_inline (uint16_t width, uint16_t height, rt_pixtype pixtype, uint32_t hasnodata, double nodataval, uint8_t *data)
	Create an in-db rt_band with no data.
void	rt_band_init_value (rt_band band, double initval)
	Fill in the cells of a band with a starting value frequently used to init with nodata value.
rt_band	rt_band_new_offline (uint16_t width, uint16_t height, rt_pixtype pixtype, uint32_t hasnodata, double nodataval, uint8_t bandNum, const char *path)
	Create an out-db rt_band.
rt_band	rt_band_new_offline_from_path (uint16_t width, uint16_t height, int hasnodata, double nodataval, uint8_t bandNum, const char *path, int force)
	Create an out-db rt_band from path.
rt_band	rt_band_duplicate (rt_band band)
	Create a new band duplicated from source band.
int	rt_band_is_offline (rt_band band)
	Return non-zero if the given band data is on the filesystem.
void	rt_band_destroy (rt_band band)
	Destroy a raster band.
const char *	rt_band_get_ext_path (rt_band band)
	Return band's external path (only valid when rt_band_is_offline returns non-zero).
rt_errorstate	rt_band_get_ext_band_num (rt_band band, uint8_t *bandnum)
	Return bands' external band number (only valid when rt_band_is_offline returns non-zero).
void *	rt_band_get_data (rt_band band)
	Get pointer to raster band data.
rt_errorstate	rt_band_load_offline_data (rt_band band)
	Load offline band's data.
uint64_t	rt_band_get_file_size (rt_band band)
	Return file size in bytes.
uint64_t	rt_band_get_file_timestamp (rt_band band)
	Return file timestamp.
rt_pixtype	rt_band_get_pixtype (rt_band band)
	Return pixeltype of this band.
uint16_t	rt_band_get_width (rt_band band)
	Return width of this band.
uint16_t	rt_band_get_height (rt_band band)
	Return height of this band.
int	rt_band_get_ownsdata_flag (rt_band band)
	Return 0 (FALSE) or non-zero (TRUE) indicating if rt_band is responsible for managing the memory for band data.
void	rt_band_set_ownsdata_flag (rt_band band, int flag)
int	rt_band_get_hasnodata_flag (rt_band band)
	Get hasnodata flag value.
void	rt_band_set_hasnodata_flag (rt_band band, int flag)
	Set hasnodata flag value.
rt_errorstate	rt_band_set_isnodata_flag (rt_band band, int flag)
	Set isnodata flag value.
int	rt_band_get_isnodata_flag (rt_band band)
	Get isnodata flag value.
rt_errorstate	rt_band_set_nodata (rt_band band, double val, int *converted)
	Set nodata value.
rt_errorstate	rt_band_set_pixel_line (rt_band band, int x, int y, void *vals, uint32_t len)
	Set values of multiple pixels.
rt_errorstate	rt_band_set_pixel (rt_band band, int x, int y, double val, int *converted)
	Set single pixel's value.
rt_errorstate	rt_band_get_pixel_line (rt_band band, int x, int y, uint16_t len, void **vals, uint16_t *nvals)
	Get values of multiple pixels.
rt_errorstate	rt_band_get_pixel_resample (rt_band band, double xr, double yr, rt_resample_type resample, double *r_value, int *r_nodata)
	Retrieve a point value from the raster using a world coordinate and selected interpolation.
rt_errorstate	rt_band_get_pixel_bilinear (rt_band band, double xr, double yr, double *r_value, int *r_nodata)
	Retrieve a point value from the raster using a world coordinate and bilinear interpolation.
rt_errorstate	rt_band_get_pixel (rt_band band, int x, int y, double *value, int *nodata)
	Get pixel value.
uint32_t	rt_band_get_nearest_pixel (rt_band band, int x, int y, uint16_t distancex, uint16_t distancey, int exclude_nodata_value, rt_pixel *npixels)
	Get nearest pixel(s) with value (not NODATA) to specified pixel.
int	rt_band_get_pixel_of_value (rt_band band, int exclude_nodata_value, double *searchset, int searchcount, rt_pixel *pixels)
	Search band for pixel(s) with search values.
rt_errorstate	rt_band_get_nodata (rt_band band, double *nodata)
	Get NODATA value.
double	rt_band_get_min_value (rt_band band)
	Returns the minimal possible value for the band according to the pixel type.
int	rt_band_check_is_nodata (rt_band band)
	Returns TRUE if the band is only nodata values.
int	rt_band_clamped_value_is_nodata (rt_band band, double val)
	Compare clamped value to band's clamped NODATA value.
rt_errorstate	rt_band_corrected_clamped_value (rt_band band, double val, double *newval, int *corrected)
	Correct value when clamped value is equal to clamped NODATA value.

Variables
bool	enable_outdb_rasters = true