GEO_DEM.c File Reference

#include <float.h>
#include <ctype.h>
#include <stddef.h>
#include "PGS_MODIS_35251.h"
#include "GEO_DEM.h"
#include "GEO_earth.h"
#include "smfio.h"

Include dependency graph for GEO_DEM.c:

Go to the source code of this file.

Classes
struct	tile_cache_struct

Macros
#define	DEGREE_STRING   "Decimal Degree (DD)"
#define	METER_STRING   "METERS"
#define	DEMCACHE   50 /* number of entries for tile_cache_struct */
#define	LAYERS   1
#define	TILES_BASE   90.0
#define	COSLAT_OFFSET   0.1059
#define	BORDER   0.004084

Functions
void	geoDemInitGlobals ()
PGSt_SMF_status	GEO_initialize_DEM (void)
void *	GEO_DEMalloc (size_t size)
int	GEO_read_DEM (double lat, double lon, int *const hgtmin, int *const hgtmax)
int	GEO_latlon2height (double const lat, double const lon, double *const h)
int	GEO_close_DEM (void)

Variables
PGSt_DEM_Tag	DEM_resolutions [RESOLUTIONS] = {PGSd_DEM_30ARC}
double	min_lat = LAT_FVALUE
double	max_lon = LONG_FVALUE
tile_cache_struct *	tile_cache
unsigned short int	tiles_cached =0

Macro Definition Documentation

BORDER

#define BORDER   0.004084

COSLAT_OFFSET

#define COSLAT_OFFSET   0.1059

DEGREE_STRING

#define DEGREE_STRING   "Decimal Degree (DD)"

Definition at line 56 of file GEO_DEM.c.

DEMCACHE

#define DEMCACHE   50 /* number of entries for tile_cache_struct */

Definition at line 58 of file GEO_DEM.c.

LAYERS

#define LAYERS   1

Definition at line 67 of file GEO_DEM.c.

METER_STRING

#define METER_STRING   "METERS"

Definition at line 57 of file GEO_DEM.c.

TILES_BASE

#define TILES_BASE   90.0

Function Documentation

GEO_close_DEM()

int GEO_close_DEM

(

void

)

Definition at line 1093 of file GEO_DEM.c.

GEO_DEMalloc()

void* GEO_DEMalloc

(

size_t

size

)

Definition at line 321 of file GEO_DEM.c.

GEO_initialize_DEM()

PGSt_SMF_status GEO_initialize_DEM

(

void

)

Definition at line 134 of file GEO_DEM.c.

GEO_latlon2height()

int GEO_latlon2height	(	double const	lat,
		double const	lon,
		double *const	h
	)

Definition at line 944 of file GEO_DEM.c.

GEO_read_DEM()

int GEO_read_DEM	(	double	lat,
		double	lon,
		int *const	hgtmin,
		int *const	hgtmax
	)

Definition at line 395 of file GEO_DEM.c.

geoDemInitGlobals()

void geoDemInitGlobals

(

)

Definition at line 123 of file GEO_DEM.c.

Variable Documentation

DEM_resolutions

PGSt_DEM_Tag DEM_resolutions[RESOLUTIONS] = {PGSd_DEM_30ARC}

Definition at line 62 of file GEO_DEM.c.

max_lon

double max_lon = LONG_FVALUE

Definition at line 64 of file GEO_DEM.c.

min_lat

double min_lat = LAT_FVALUE

Definition at line 63 of file GEO_DEM.c.

tile_cache

tile_cache_struct* tile_cache

Definition at line 119 of file GEO_DEM.c.

tiles_cached

unsigned short int tiles_cached =0

Definition at line 120 of file GEO_DEM.c.