lw_dist2d_point_tri()

int lw_dist2d_point_tri	(	LWPOINT *	point,
		LWTRIANGLE *	tri,
		DISTPTS *	dl
	)

Definition at line 613 of file measures.c.

{
        const POINT2D *pt = getPoint2d_cp(point->point, 0);
        /* Is point inside triangle? */
        if (dl->mode == DIST_MIN && ptarray_contains_point(tri->points, pt) != LW_OUTSIDE)
        {
                dl->distance = 0.0;
                dl->p1.x = dl->p2.x = pt->x;
                dl->p1.y = dl->p2.y = pt->y;
                return LW_TRUE;
        }
 
        return lw_dist2d_pt_ptarray(pt, tri->points, dl);
}

References DIST_MIN, DISTPTS::distance, getPoint2d_cp(), lw_dist2d_pt_ptarray(), LW_OUTSIDE, LW_TRUE, DISTPTS::mode, DISTPTS::p1, DISTPTS::p2, LWPOINT::point, LWTRIANGLE::points, ptarray_contains_point(), POINT2D::x, and POINT2D::y.

Referenced by lw_dist2d_distribute_bruteforce().

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