lw_dist3d_line_poly()

int lw_dist3d_line_poly	(	LWLINE *	line,
		LWPOLY *	poly,
		DISTPTS3D *	dl
	)

line to polygon calculation

Definition at line 800 of file measures3d.c.

{
        PLANE3D plane;
        LWDEBUG(2, "lw_dist3d_line_poly is called");
 
        if (dl->mode == DIST_MAX)
                return lw_dist3d_ptarray_ptarray(line->points, poly->rings[0], dl);
 
        /* if polygon does not define a plane: Return distance line to line */
        if (!define_plane(poly->rings[0], &plane))
                return lw_dist3d_ptarray_ptarray(line->points, poly->rings[0], dl);
 
        return lw_dist3d_ptarray_poly(line->points, poly, &plane, dl);
}

References define_plane(), DIST_MAX, lw_dist3d_ptarray_poly(), lw_dist3d_ptarray_ptarray(), LWDEBUG, DISTPTS3D::mode, LWLINE::points, and LWPOLY::rings.

Referenced by lw_dist3d_distribute_bruteforce().

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