From tganders@tscnet.com Thu May 6 13:48:29 1999 Received: from mxu4.u.washington.edu (mxu4.u.washington.edu [140.142.33.8]) by lists.u.washington.edu (8.9.3+UW99.02/8.9.3+UW99.01) with ESMTP id NAA27634 for ; Thu, 6 May 1999 13:48:27 -0700 Received: from tscnet.com (root@tscnet.com [207.227.236.10]) by mxu4.u.washington.edu (8.9.3+UW99.02/8.9.3+UW99.01) with ESMTP id NAA18993 for ; Thu, 6 May 1999 13:48:27 -0700 Received: from tscnet.com (ekanders@ppp-ip81-b16.tscnet.net [207.227.237.81]) by tscnet.com (8.9.3/8.7.3) with ESMTP id NAA24393 for ; Thu, 6 May 1999 13:48:24 -0700 Message-ID: <3731FF79.91D5B249@tscnet.com> Date: Thu, 06 May 1999 13:45:45 -0700 From: Tom Anderson X-Mailer: Mozilla 4.05 [en] (Win95; U) MIME-Version: 1.0 To: "waphgis@u.washington.edu" Subject: Voronoi Diagrams Content-Type: multipart/alternative; boundary="------------262664070344573E20A130F9" --------------262664070344573E20A130F9 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I'm a family Doc and only an amateur mathematician, but I noted with interest today the reference to Voronoi Diagrams and Thiessen Polygons. Anyone who is curious (and wonders about how these things might apply to hospital catchment areas) may enjoy the GIS application to McDonald Restaurant distribution in San Francisco. Vertical Mapper: Voronoi Diagram Example URL: http://www.tetrad.com/VMapper/example2.html Tom Anderson --------------262664070344573E20A130F9 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit I'm a family Doc and only an amateur mathematician, but I noted with interest today the reference to Voronoi Diagrams and Thiessen Polygons.  Anyone who is curious (and wonders about how these things might apply to hospital catchment areas) may enjoy the GIS application to McDonald Restaurant distribution in San Francisco.

Vertical Mapper: Voronoi Diagram Example URL: http://www.tetrad.com/VMapper/example2.html

Tom Anderson --------------262664070344573E20A130F9-- .