If you are interested in a code way of doing it look at: http://www.faqs.org/faqs/graphics/algorithms-faq/ Section 2.01
But be warned: The center of mass is often outside of a polygon (think a crescent moon shape, which is common around coastlines) and especially often outside of a multi-polygon region. Ned Harding Chief Technology Officer SRC - Extending the Reach of Micromarketing 3825 Iris Ave Suite 150 Boulder, CO 80303 (303) 440-8896 x104 http://www.extendthereach.com Technology in Action: http://www.DemographicsNow.com -----Original Message----- From: Fernando Garcez [mailto:[EMAIL PROTECTED]] Sent: Friday, January 24, 2003 5:36 AM To: MapInfo-L (E-mail) Subject: MI-L "center of mass" of a region. Hi MI users In MI manual it is said: "In MapInfo, a region's centroid does not represent its center of mass." Does anybody knows how to calculate the "center of mass" of a region? Thanks. Fernando Garcez --------------------------------------------------------------------- List hosting provided by Directions Magazine | www.directionsmag.com | To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Message number: 5136 --------------------------------------------------------------------- List hosting provided by Directions Magazine | www.directionsmag.com | To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Message number: 5138
