I remember a few years back I was doing some terrain modeling, and I think there was a repository of files on a US government web site. It's been so long that I don't remember what the file format was, but I was importing them into a 3D graphics program. There might be flattened versions.
Regards, Jerry Schwartz Global Information Incorporated 195 Farmington Ave. Farmington, CT 06032 860.674.8796 / FAX: 860.674.8341 E-mail: je...@gii.co.jp Web site: www.the-infoshop.com >-----Original Message----- >From: Geert-Jan Brits [mailto:gbr...@gmail.com] >Sent: Thursday, February 03, 2011 3:44 AM >To: viraj >Cc: Gavin Towey; Johan De Meersman; mysql@lists.mysql.com >Subject: Re: map polygon data for popular us cities > >Besides the above, >I recall Flickr (you know the photo-sharing site) being able to extract >(kind of rough) polygons from exif-data of photos (containing lat/longs) . >Since often these photo's are tagged by city they could extract city >boundaries. > >See this old posts I dug up quickly, I'm not sure if development is still >active, etc. >http://code.flickr.com/blog/2008/10/30/the-shape-of-alpha/ >http://biodivertido.blogspot.com/2008/11/flickr-creating-polygons-out-of- >points.html > >hth, >Geert-Jan > >2011/2/3 viraj <kali...@gmail.com> > >> thank you all for the links and notes. >> >> ~viraj >> >> On Thu, Feb 3, 2011 at 7:08 AM, Gavin Towey <gto...@ffn.com> wrote: >> > Openstreetmap.org is as close as you'll get. I'd be surprised if they >> have shapes for cities beyond just lat/lon point data, but they should have >> shapes data for zips, counties, states and countries if I recall correctly. >> > >> > -----Original Message----- >> > From: vegiv...@gmail.com [mailto:vegiv...@gmail.com] On Behalf Of Johan >> De Meersman >> > Sent: Wednesday, February 02, 2011 7:59 AM >> > To: viraj >> > Cc: mysql@lists.mysql.com >> > Subject: Re: map polygon data for popular us cities >> > >> > On Wed, Feb 2, 2011 at 11:30 AM, viraj <kali...@gmail.com> wrote: >> > >> >> dear list, >> >> where can i find a list of map polygons for united states cities? any >> >> open database? or tool to obtain correct coordinates? >> >> >> > >> > A bit offtopic here, but I suspect that most such databases will be >> > proprietary and thus payable through the nose. Have a look at the >> > OpenStreetMap project, I suspect their database might be accessible under >> > some open license. >> > >> > -- >> > Bier met grenadyn >> > Is als mosterd by den wyn >> > Sy die't drinkt, is eene kwezel >> > Hy die't drinkt, is ras een ezel >> > >> > IMPORTANT: This email message is intended only for the use of the >> individual to whom, or entity to which, it is addressed and may contain >> information that is privileged, confidential and exempt from disclosure >> under applicable law. If you are NOT the intended recipient, you are hereby >> notified that any use, dissemination, distribution or copying of this >> communication is strictly prohibited. If you have received this >> communication in error, please reply to the sender immediately and >> permanently delete this email. Thank you. >> > >> >> -- >> MySQL General Mailing List >> For list archives: http://lists.mysql.com/mysql >> To unsubscribe: http://lists.mysql.com/mysql?unsub=gbr...@gmail.com >> >> -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
