rtpg_clip_callback()

static int rtpg_clip_callback ( rt_iterator_arg  arg, void *  userarg, double *  value, int *  nodata  )

static

Definition at line 2996 of file rtpg_mapalgebra.c.

References rt_iterator_arg_t::nodata, PG_FUNCTION_INFO_V1(), RASTER_clip(), and rt_iterator_arg_t::values.

Referenced by RASTER_clip().

  {
        *value = 0;
        *nodata = 0;

        /* either is NODATA, output is NODATA */
        if (arg->nodata[0][0][0] || arg->nodata[1][0][0])
                *nodata = 1;
        /* set to value */
        else
                *value = arg->values[0][0][0];

        return 1;
}

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