PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ RASTER_setSkewXY()

Datum RASTER_setSkewXY ( PG_FUNCTION_ARGS  )

Definition at line 1016 of file rtpg_raster_properties.c.

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

Referenced by RASTER_setSkew().

1017 {
1018  rt_pgraster *pgraster = NULL;
1019  rt_pgraster *pgrtn = NULL;
1020  rt_raster raster;
1021  double xskew = PG_GETARG_FLOAT8(1);
1022  double yskew = PG_GETARG_FLOAT8(2);
1023 
1024  if (PG_ARGISNULL(0))
1025  PG_RETURN_NULL();
1026  pgraster = (rt_pgraster *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
1027  raster = rt_raster_deserialize(pgraster, FALSE);
1028  if (!raster) {
1029  PG_FREE_IF_COPY(pgraster, 0);
1030  elog(ERROR, "RASTER_setSkewXY: Could not deserialize raster");
1031  PG_RETURN_NULL();
1032  }
1033 
1034  rt_raster_set_skews(raster, xskew, yskew);
1035 
1036  pgrtn = rt_raster_serialize(raster);
1037  rt_raster_destroy(raster);
1038  PG_FREE_IF_COPY(pgraster, 0);
1039  if (!pgrtn)
1040  PG_RETURN_NULL();
1041 
1042  SET_VARSIZE(pgrtn, pgrtn->size);
1043  PG_RETURN_POINTER(pgrtn);
1044 }
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_skews(rt_raster raster, double skewX, double skewY)
Set skews about the X and Y axis.
Definition: rt_raster.c:168
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:2213
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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