[Proj] Google maps of various flavors, and countries all overthe place.

Clifford J Mugnier cjmce at lsu.edu
Tue Oct 14 16:28:17 EDT 2008

Isn't what is being proposed a duplication of the EPSG database?
What would such a "compilation" offer that EPSG does not?
C. Mugnier


From: proj-bounces at lists.maptools.org on behalf of Frank Warmerdam
Sent: Tue 14-Oct-08 15:22
To: PROJ.4 and general Projections Discussions
Subject: Re: [Proj] Google maps of various flavors, and countries all overthe place.

Roger Oberholtzer wrote:
> While on the subject of the tracs site, how about a page for each
> country where the various concerns of providing national coordinates can
> be discussed and documented? There is a wealth of information in all
> this e-mail that should not get lost. Perhaps a good start is a start
> page with all countries listed. Then, as needed, the country-specific
> pages can be developed? I can offer to help set that up. I await the
> consensus. I do know that these sorts of things start ok. And then they
> peter out. I have seen other sites that have similar information for
> proj4, and that has happened to them. But these sites are not really
> 'connected' to proj4. The trac site, however, is. So maybe it would fare
> better over time.


I encourage you to start a listing of trac pages with hints and tips for
particular countries / national mapping systems, and then add pages off
that where applicable.  I would discourage starting with a list of many
countries where only a few have actual content as that discourages people
from digging through.

Keep in mind that some information belongs instead in the FAQ:


and some information on general PROJ parameters belongs in:


We also have the geotiff projection list which I hope will become part of
a more general MetaCRS resource which will apply to PROJ.4, proj4js, CS-Map
and other packages.

I would note that a "national info registry" that only ended up with 4-5
nations listed could still be pretty useful, so don't get hung up on whether
the material is comprehensive.  And part of the rationale for moving to Trac
for PROJ.4 was to encourage user community updates to the web site.  So just
dive in!

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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