PostGIS  2.5.7dev-r@@SVN_REVISION@@

◆ RASTER_getYUpperLeft()

Datum RASTER_getYUpperLeft ( PG_FUNCTION_ARGS  )

Definition at line 336 of file rtpg_raster_properties.c.

337 {
338  rt_pgraster *pgraster;
340  double yul;
341 
342  if (PG_ARGISNULL(0)) PG_RETURN_NULL();
343  pgraster = (rt_pgraster *) PG_DETOAST_DATUM_SLICE(PG_GETARG_DATUM(0), 0, sizeof(struct rt_raster_serialized_t));
344 
345  raster = rt_raster_deserialize(pgraster, TRUE);
346  if ( ! raster ) {
347  PG_FREE_IF_COPY(pgraster, 0);
348  elog(ERROR, "RASTER_getYUpperLeft: Could not deserialize raster");
349  PG_RETURN_NULL();
350  }
351 
353 
355  PG_FREE_IF_COPY(pgraster, 0);
356 
357  PG_RETURN_FLOAT8(yul);
358 }
#define TRUE
Definition: dbfopen.c:169
void rt_raster_destroy(rt_raster raster)
Release memory associated to a raster.
Definition: rt_raster.c:82
rt_raster rt_raster_deserialize(void *serialized, int header_only)
Return a raster from a serialized form.
Definition: rt_serialize.c:725
double rt_raster_get_y_offset(rt_raster raster)
Get raster y offset, in projection units.
Definition: rt_raster.c:222
raster
Be careful!! Zeros function's input parameter can be a (height x width) array, not (width x height): ...
Definition: rtrowdump.py:121
Struct definitions.
Definition: librtcore.h:2250

References rtrowdump::raster, rt_raster_deserialize(), rt_raster_destroy(), rt_raster_get_y_offset(), and TRUE.

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