WebAIM - Web Accessibility In Mind

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RE: GIS and accessibility


From: Michael Burks
Date: May 29, 2003 4:24PM

Optimap 5.0 from corda maybe promising


I have some other ideas if you would like to discuss them off list as
they are not to well developed yet.


Mike Burks

-----Original Message-----
From: ED COHEN [mailto: <EMAIL REMOVED> ]
Sent: Thursday, May 29, 2003 5:58 PM
Subject: GIS and accessibility

I work in a State that has adopted 508 as its accessibility standard.
Many state agencies use Geographical Information Systems (GIS) and are
about to start moving them to the Web.

We have established a GIS Policy which states:
1. If data tables (used to populate the map) are small, properly tag
and make the data tables available.
2. If data tables are large, provide information on how one may e-mail
or telephone the appropriate staff person who can provide the desired
3. The removal of color does not affect the page's ability to
communicate the information.

In addition, frames are being considered as a way to offer the many
choices one uses to make the desired, dynamically-created map.

Some early GIS offerings are www.legislator.in.gov or any of several on

It is unlikely that it will be possible to offer a useful "longdesc" for
these maps. It may also be difficult using the ISRI software (which
itself is suppose to be 508-compliant) to ensure that all color-related
issues are addressed.

Is anyone offering G