crschmidt a170e3fdf6 Add support for transformation functions without using proj4js, and make
the SphericalMercator mixin register two transformations to/from EPSG:900913,
EPSG:4326. Thanks to Tim for the feedback and review. (Closes #1210)

This allows us to transform points to/from SphericalMercator 
without proj4js support -- and if other projects need similar functionality, 
they can write their own custom transformation functions rather than 
modifying proj4js to support some custom projection.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@5410 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-12-14 20:45:42 +00:00
2007-12-14 07:30:32 +00:00

OpenLayers
-=-=-=-=-=-
Copyright (c) 2005-2006 MetaCarta, Inc.

OpenLayers is a JavaScript library for building map applications
on the web. OpenLayers is made available under a BSD-license.
Please see license.txt in this distribution for more details.

------------------
Getting OpenLayers
------------------

OpenLayers lives at http://www.openlayers.org/.

You can get OpenLayers from
    http://trac.openlayers.org/wiki/HowToDownload.

---------------------
Installing OpenLayers
---------------------

You can use OpenLayers as-is by copying build/OpenLayers.js and the
entire theme/ and img/ directories up to your webserver, putting them 
in the same directory. The files can be in subdirectories on your website, or right in the root of the site, as in these examples. To include the OpenLayers library in your web page from the root of the site, use:

  <script type="text/javascript" src="/OpenLayers.js" />

As an example, using bash (with the release files in ~/openlayers ):
$ cd /var/www/html
$ cp ~/openlayers/build/OpenLayers.js ./
$ cp -R ~/openlayers/theme ./
$ cp -R ~/openlayers/img ./

If you want to use the multiple-file version of OpenLayers (for, say,
debugging or development purposes), copy the lib/ directory up to your
webserver in the same directory you put the img/ folder. Then add
the following to your web page instead:

  <script type="text/javascript" src="/lib/OpenLayers.js" />

As an example, using bash (with the release files in ~/openlayers ):
$ cd /var/www/html
$ cp -R ~/openlayers/lib ./
$ cp -R ~/openlayers/theme ./
$ cp -R ~/openlayers/img ./


------------------------------------
Using OpenLayers in Your Own Website
------------------------------------

The examples/ directory is full of useful examples.

Dcumentation is available in the doc/ directory: to build an HTML version
of the documentation, run ./docs.sh in the build/ directory.

Information on changes in the API is available in news.txt.

--------------------------
Contributing to OpenLayers
--------------------------

Please join the email lists at http://openlayers.org/EmailLists/.
Patches are welcome!

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