PostGIS  2.2.7dev-r@@SVN_REVISION@@
Datum RASTER_getHeight ( PG_FUNCTION_ARGS  )

Definition at line 138 of file rtpg_raster_properties.c.

References rt_raster_serialized_t::height, rtrowdump::raster, rt_raster_deserialize(), rt_raster_destroy(), rt_raster_get_height(), and TRUE.

139 {
140  rt_pgraster *pgraster;
142  uint16_t height;
143 
144  if (PG_ARGISNULL(0)) PG_RETURN_NULL();
145  pgraster = (rt_pgraster *) PG_DETOAST_DATUM_SLICE(PG_GETARG_DATUM(0), 0, sizeof(struct rt_raster_serialized_t));
146 
147  raster = rt_raster_deserialize(pgraster, TRUE);
148  if ( ! raster ) {
149  PG_FREE_IF_COPY(pgraster, 0);
150  elog(ERROR, "RASTER_getHeight: Could not deserialize raster");
151  PG_RETURN_NULL();
152  }
153 
154  height = rt_raster_get_height(raster);
155 
156  rt_raster_destroy(raster);
157  PG_FREE_IF_COPY(pgraster, 0);
158 
159  PG_RETURN_INT32(height);
160 }
tuple raster
Be careful!! Zeros function's input parameter can be a (height x width) array, not (width x height): ...
Definition: rtrowdump.py:121
void rt_raster_destroy(rt_raster raster)
Release memory associated to a raster.
Definition: rt_raster.c:82
Struct definitions.
Definition: librtcore.h:2213
uint16_t rt_raster_get_height(rt_raster raster)
Definition: rt_raster.c:129
#define TRUE
Definition: dbfopen.c:169
rt_raster rt_raster_deserialize(void *serialized, int header_only)
Return a raster from a serialized form.
Definition: rt_serialize.c:717

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