Yes. Henry Rich
On 10/6/2010 9:57 PM, Raul Miller wrote: > On Wed, Oct 6, 2010 at 7:45 PM, Henry Rich<[email protected]> wrote: >> The distance to the line doesn't solve the problem. We are interested >> only in intersections with the line-segment. The line-segment extended >> may intersect the circle even if the segment itself is far away. > > Well.. I have not thought through the arithmetic for this, but, > logically speaking the line segment intersects the circle if > either of the endpoints is in the circle or if the place a line > perpendicular to the line segment, through the center of the > circle is within the circle (though it must also be between > the two endpoints for this to count). > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
