Comments on: MySQL GIS – Part 3

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By: mark

mark — Thu, 09 Sep 2010 19:22:36 +0000

CloudMade – http://downloads.cloudmade.com/ is global and has the data divided up into continents and countries under that.

* Africa
* Antarctica
* Asia
* Europe – http://downloads.cloudmade.com/europe#downloads_breadcrumbs
* North America
* Oceania
* South America

What kind of data are you looking for?

By: Christine

Christine — Thu, 09 Sep 2010 18:26:06 +0000

Where are you seeking such datum?

1) there are only two manufacturers of GIS datum to date that cover Europe and the Americas, Navtec and Tele Atlas, North America and Tele Atlas, Inc.

2) Tele Atlas, N.A. generated their datum from USGS Tiger data.

TIGER data is free. The original designer of Google maps, a kid programmer who won an award from Google, designed a GIS data meshing = mashup, program, but he started with what he could obtain, TIGER data.

I have not tried this but
http://www.gisc.berkeley.edu/gisc/data/links.html

Also, note that SHAPE FILE is the industry standard for the extension on GIS map datum.

You might just call ESRI about your inquiry too.

By: mark

mark — Thu, 09 Sep 2010 18:19:28 +0000

Yes, I have a LOT more on GIS to come. Do you have any subject on MySQL and GIS you would like to see?

I am not currently using the most current “GIS” release yet. It is on my list to review.

I have read John Powell’s presentation from 2009. It is very good. I was at the conference this year and GIS was not well represented.

By: Tom Hanlon

Tom Hanlon — Thu, 09 Sep 2010 06:41:45 +0000

Mark,

I hope there are more in this GIS series.

Are you using the GIS preview release ?
http://forge.mysql.com/wiki/GIS_Functions

John Powell has a nice presentation regarding GIS in MySQL
http://www.mysqlconf.com/mysql2009/public/schedule/detail/6863

More here.. http://assets.en.oreilly.com/1/event/36/Where%20It_s%20At_%20GeoSpatial%20MySQL%20-%20Part%202%20Presentation.odp

–
Tom

By: Ronald Bradford

Ronald Bradford — Tue, 07 Sep 2010 20:08:43 +0000

Open Street Map — http://en.wikipedia.org/wiki/OpenStreetMap

yahoo also has a project call Where on Earth (WOEID) — http://developer.yahoo.com/geo/geoplanet/guide/concepts.html

I don’t know if they have polygons for each ID, however I’d suspect they must to define the area.