BOX3D_construct()

Datum BOX3D_construct

(

PG_FUNCTION_ARGS

)

Definition at line 571 of file lwgeom_box3d.c.

References error_if_srid_mismatch(), getPoint3dz_p(), lwgeom_from_gserialized(), POINTTYPE, BOX3D::srid, LWGEOM::srid, LWPOINT::srid, LWGEOM::type, POINT3DZ::x, BOX3D::xmax, BOX3D::xmin, POINT3DZ::y, BOX3D::ymax, BOX3D::ymin, POINT3DZ::z, BOX3D::zmax, and BOX3D::zmin.

Referenced by BOX3D_combine_BOX3D().

{
        GSERIALIZED *min = PG_GETARG_GSERIALIZED_P(0);
        GSERIALIZED *max = PG_GETARG_GSERIALIZED_P(1);
        BOX3D *result = palloc(sizeof(BOX3D));
        LWGEOM *minpoint, *maxpoint;
        POINT3DZ minp, maxp;

        minpoint = lwgeom_from_gserialized(min);
        maxpoint = lwgeom_from_gserialized(max);

        if ( minpoint->type != POINTTYPE ||
             maxpoint->type != POINTTYPE )
        {
                elog(ERROR, "BOX3D_construct: args must be points");
                PG_RETURN_NULL();
        }

        error_if_srid_mismatch(minpoint->srid, maxpoint->srid);

        getPoint3dz_p(((LWPOINT *)minpoint)->point, 0, &minp);
        getPoint3dz_p(((LWPOINT *)maxpoint)->point, 0, &maxp);

        result->xmax = maxp.x;
        result->ymax = maxp.y;
        result->zmax = maxp.z;

        result->xmin = minp.x;
        result->ymin = minp.y;
        result->zmin = minp.z;

        result->srid = minpoint->srid;

        PG_RETURN_POINTER(result);
}

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