gbox_overlaps_2d()

int gbox_overlaps_2d	(	const GBOX *	g1,
		const GBOX *	g2
	)

Return LW_TRUE if the GBOX overlaps on the 2d plane, LW_FALSE otherwise.

Definition at line 335 of file g_box.c.

References GBOX::flags, FLAGS_GET_GEODETIC, LW_FALSE, LW_TRUE, lwerror(), GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by crosses(), disjoint(), geos_intersects(), mvt_geom(), overlaps(), ST_ClipByBox2d(), and touches().

{

        /* Make sure our boxes are consistent */
        if ( FLAGS_GET_GEODETIC(g1->flags) != FLAGS_GET_GEODETIC(g2->flags) )
                lwerror("gbox_overlaps: cannot compare geodetic and non-geodetic boxes");

        /* Check X/Y first */
        if ( g1->xmax < g2->xmin || g1->ymax < g2->ymin ||
             g1->xmin > g2->xmax || g1->ymin > g2->ymax )
                return LW_FALSE;

        return LW_TRUE;
}

Here is the call graph for this function:

Here is the caller graph for this function: