RASTER_setGeotransform()

Datum RASTER_setGeotransform

(

PG_FUNCTION_ARGS

)

Definition at line 1088 of file rtpg_raster_properties.c.

References PG_FUNCTION_INFO_V1(), rtrowdump::raster, RASTER_setRotation(), rt_raster_deserialize(), rt_raster_destroy(), rt_raster_serialize(), rt_raster_set_offsets(), rt_raster_set_phys_params(), rt_raster_serialized_t::size, and TRUE.

Referenced by RASTER_setUpperLeftXY().

{
        rt_pgraster *pgraster = NULL;
        rt_pgraster *pgrtn = NULL;
        rt_raster raster;
        float8 imag, jmag, theta_i, theta_ij, xoffset, yoffset;

        if (
                PG_ARGISNULL(0) || PG_ARGISNULL(1) || PG_ARGISNULL(2) ||
                PG_ARGISNULL(3) || PG_ARGISNULL(4) ||
                PG_ARGISNULL(5) || PG_ARGISNULL(6)
        ) {
                PG_RETURN_NULL();
        }

        /* get the inputs */
        pgraster = (rt_pgraster *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
        imag = PG_GETARG_FLOAT8(1);
        jmag = PG_GETARG_FLOAT8(2);
        theta_i = PG_GETARG_FLOAT8(3);
        theta_ij = PG_GETARG_FLOAT8(4);
        xoffset = PG_GETARG_FLOAT8(5);
        yoffset = PG_GETARG_FLOAT8(6);

        raster = rt_raster_deserialize(pgraster, TRUE);
        if (!raster) {
                PG_FREE_IF_COPY(pgraster, 0);
                elog(ERROR, "RASTER_setGeotransform: Could not deserialize raster");
                PG_RETURN_NULL();
        }

        /* store the new geotransform */
        rt_raster_set_phys_params(raster, imag,jmag,theta_i,theta_ij);
        rt_raster_set_offsets(raster, xoffset, yoffset);

        /* prep the return value */
        pgrtn = rt_raster_serialize(raster);
        rt_raster_destroy(raster);
        PG_FREE_IF_COPY(pgraster, 0);
        if (!pgrtn)
                PG_RETURN_NULL();

        SET_VARSIZE(pgrtn, pgrtn->size);
        PG_RETURN_POINTER(pgrtn);
}

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