rt_raster_is_empty()

int rt_raster_is_empty

(

rt_raster

raster

)

Return TRUE if the raster is empty.

i.e. is NULL, width = 0 or height = 0

Parameters

raster

: the raster to get info from

Returns

TRUE if the raster is empty, FALSE otherwise

Definition at line 1338 of file rt_raster.c.

References rt_raster_t::height, and rt_raster_t::width.

Referenced by _rti_iterator_arg_populate(), RASTER_addBandOutDB(), RASTER_clip(), RASTER_dumpValues(), RASTER_getPixelPolygons(), RASTER_isEmpty(), RASTER_mapAlgebra2(), RASTER_mapAlgebraExpr(), RASTER_mapAlgebraFct(), RASTER_mapAlgebraFctNgb(), RASTER_nMapAlgebra(), RASTER_union_transfn(), rt_raster_colormap(), rt_raster_get_perimeter(), rt_raster_iterator(), rt_raster_surface(), rtpg_nmapalgebra_rastbandarg_process(), rtpg_union_noarg(), test_raster_empty(), and test_raster_from_band().

                                     {
        return (NULL == raster || raster->height <= 0 || raster->width <= 0);
}

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