PostGIS  3.0.0dev-r@@SVN_REVISION@@

◆ lwdoubles_to_latlon()

static char* lwdoubles_to_latlon ( double  lat,
double  lon,
const char *  format 
)
static

Definition at line 399 of file lwprint.c.

References lwalloc(), lwdouble_to_dms(), lwfree(), and lwprint_normalize_latlon().

Referenced by lwpoint_to_latlon().

400 {
401  char * lat_text;
402  char * lon_text;
403  char * result;
404 
405  /* Normalize lat/lon to the normal (-90 to 90, -180 to 180) range. */
406  lwprint_normalize_latlon(&lat, &lon);
407  /* This is somewhat inefficient as the format is parsed twice. */
408  lat_text = lwdouble_to_dms(lat, "N", "S", format);
409  lon_text = lwdouble_to_dms(lon, "E", "W", format);
410 
411  /* lat + lon + a space between + the null terminator. */
412  result = (char*)lwalloc(strlen(lat_text) + strlen(lon_text) + 2);
413  sprintf(result, "%s %s", lat_text, lon_text);
414  lwfree(lat_text);
415  lwfree(lon_text);
416  return result;
417 }
void lwfree(void *mem)
Definition: lwutil.c:242
static void lwprint_normalize_latlon(double *lat, double *lon)
Definition: lwprint.c:34
static char * lwdouble_to_dms(double val, const char *pos_dir_symbol, const char *neg_dir_symbol, const char *format)
Definition: lwprint.c:76
void * lwalloc(size_t size)
Definition: lwutil.c:227
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