PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ RASTER_setUpperLeftXY()

Datum RASTER_setUpperLeftXY ( PG_FUNCTION_ARGS  )

Definition at line 1050 of file rtpg_raster_properties.c.

References FALSE, PG_FUNCTION_INFO_V1(), rtrowdump::raster, RASTER_setGeotransform(), rt_raster_deserialize(), rt_raster_destroy(), rt_raster_serialize(), rt_raster_set_offsets(), and rt_raster_serialized_t::size.

Referenced by RASTER_setSkewXY().

1051 {
1052  rt_pgraster *pgraster = NULL;
1053  rt_pgraster *pgrtn = NULL;
1054  rt_raster raster;
1055  double xoffset = PG_GETARG_FLOAT8(1);
1056  double yoffset = PG_GETARG_FLOAT8(2);
1057 
1058  if (PG_ARGISNULL(0))
1059  PG_RETURN_NULL();
1060  pgraster = (rt_pgraster *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
1061  raster = rt_raster_deserialize(pgraster, FALSE);
1062  if (!raster) {
1063  PG_FREE_IF_COPY(pgraster, 0);
1064  elog(ERROR, "RASTER_setUpperLeftXY: Could not deserialize raster");
1065  PG_RETURN_NULL();
1066  }
1067 
1068  rt_raster_set_offsets(raster, xoffset, yoffset);
1069 
1070  pgrtn = rt_raster_serialize(raster);
1071  rt_raster_destroy(raster);
1072  PG_FREE_IF_COPY(pgraster, 0);
1073  if (!pgrtn)
1074  PG_RETURN_NULL();
1075 
1076  SET_VARSIZE(pgrtn, pgrtn->size);
1077  PG_RETURN_POINTER(pgrtn);
1078 }
void * rt_raster_serialize(rt_raster raster)
Return this raster in serialized form.
Definition: rt_serialize.c:521
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_set_offsets(rt_raster raster, double x, double y)
Set insertion points in projection units.
Definition: rt_raster.c:199
void rt_raster_destroy(rt_raster raster)
Release memory associated to a raster.
Definition: rt_raster.c:82
#define FALSE
Definition: dbfopen.c:168
Struct definitions.
Definition: librtcore.h:2230
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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