Changes between Version 1 and Version 2 of GeoDjangoBackground
- Timestamp:
- Nov 21, 2007, 2:35:47 PM (17 years ago)
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GeoDjangoBackground
v1 v2 4 4 5 5 == What's GIS? == 6 * [http://cfis.savagexi.com/articles/category/gis Series of blog posts]giving intro to GIS; choice quote from [http://cfis.savagexi.com/articles/2006/04/20/on-coordinate-systems#comments an early post]: "If you feel like ending a conversation with a developer then simply bring up the topic of character encodings ... [o]r ... coordinate systems. ... So in the spirit of Tim Bray's and Joel Spolsky's wonderful writeups of character encodings, I thought I'd put together a basic survival guide to coordinate systems over my next few posts and then tie it back to Google Maps."6 * Series [http://cfis.savagexi.com/articles/2006/04/20/on-coordinate-systems 1], [http://cfis.savagexi.com/articles/2006/04/23/geocentric-coordinate-systems 2], [http://cfis.savagexi.com/articles/2006/04/30/projections 3], [http://cfis.savagexi.com/articles/2006/05/02/coordinate-systems-putting-everything-together 4], [http://cfis.savagexi.com/articles/2006/05/03/google-maps-deconstructed 5], [http://cfis.savagexi.com/articles/2006/06/30/mouse-coordinates-to-lat-long 6] of blog posts by Charles Savage giving intro to GIS; choice quote from [http://cfis.savagexi.com/articles/2006/04/20/on-coordinate-systems#comments an early post]: "If you feel like ending a conversation with a developer then simply bring up the topic of character encodings ... [o]r ... coordinate systems. ... So in the spirit of Tim Bray's and Joel Spolsky's wonderful writeups of character encodings, I thought I'd put together a basic survival guide to coordinate systems over my next few posts and then tie it back to Google Maps." 7 7 * More on [http://en.wikipedia.org/wiki/Map_projection map projections], including why people can't agree on just one (utf-8). 8 8 * [http://en.wikipedia.org/wiki/Geodesy geodesy] the field of science for this stuff. … … 34 34 35 35 == Useful Data == 36 * [http://www.census.gov/geo/www/tiger/tiger2006se/tgr2006se.html TIGER/Line]: "The TIGER/Line files are extracts of selected geographic and cartographic information from the [http://www.census.gov/ Census Bureau's] TIGER® (Topologically Integrated Geographic Encoding and Referencing) database." This data is useful in creating your own geocoding database service. Currently 2006 Second Edition is the latest. Note: The Census Bureau will be [http://www.census.gov/geo/www/tiger/tgrshp.html providing SHP files] in Fall, 2007. 36 * [http://www.census.gov/geo/www/tiger/tiger2006se/tgr2006se.html TIGER/Line]: "The TIGER/Line files are extracts of selected geographic and cartographic information from the [http://www.census.gov/ Census Bureau's] TIGER® (Topologically Integrated Geographic Encoding and Referencing) database." This data is useful in creating your own geocoding database service. Currently 2006 Second Edition is the latest. Note: The Census Bureau will be [http://www.census.gov/geo/www/tiger/tgrshp.html providing SHP files] in Fall, 2007.