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| Subject: | RE: [gislist] Online map and air photo graphics for dial-up FTP users |
| Date: |
01/13/2005 02:15:02 PM |
| From: |
Todd Helt |
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Ken,
There are a lots of options, but an Internet/intranet mapping solution is a
usually a good choice when you have limited resources, with the requirement
to serve various geospatial content and/or GIS applications to a large
number and type of users (different city or county departments, general
public) and/or locations (home, office, field).
In terms of such systems, we have a lot of experience specifically with
providing fast, affordable on-line access to large, high resolution imagery
and map archives.
Particularly with image-centric applications, we usually recommend that the
Internet mapping solution offer viewing options for both low bandwidth
(dial-up) and high bandwidth (intranet & broadband internet) so that all
users can realize the productivity that they expect from an Internet
application. Keep in mind that the total cost of ownership (TCO) for an
Internet mapping/GIS solution is likely to be in the many thousands of
dollars (and up!), regardless of whether you go with commercial
off-the-shelf systems, open source solutions, or build it in-house. The
cost of providing such specialized web interfaces based on the application,
users level of GIS knowledge, and connectivity/bandwidth is usually marginal
when compared to the TCO.
Below is a link to a demo for the San Francisco Bay Area, and you will see
that there are three interfaces: Two broadband Internet/intranet
interfaces, one of which is more appropriate for the GIS/mapping
professional, and one that is more appropriate for the GIS/mapping novice.
AND there is also a very lightweight basic interface that is better suited
for the dial-up user. The broadband interfaces include advanced tools for
interactive image and map comparisons and image enhancements, as well as
things like redlining/markup and legend editing to allow users to create,
save, and print custom maps and images.
http://www.telemorphic.com/launch/sfbay.htm
Closer to your area, the Florida Marine Research Institute (FMRI) uses our
tools as the visualization and GIS pro interface for aerial photos, imagery,
and vector GIS layers in the Tampa Bay Estuary Imagery System.
http://ocean.floridamarine.org/tbep/
Feel free to contact us if we can be of any assistance.
Best regards,
Todd
-------------------------------------
Todd F. Helt, President
Telemorphic, Inc.
125 University Avenue
Berkeley, CA 94710-1616
Ph: 510-843-1251 x1
Fax: 510-295-6130
www.telemorphic.com
-----Original Message-----
From: gislist-bounces@lists.thinkburst.com
[mailto:gislist-bounces@lists.thinkburst.com] On Behalf Of Ken Sutherland
Sent: Thursday, January 13, 2005 10:43 AM
To: gislist@lists.thinkburst.com
Subject: [gislist] Online map and air photo graphics for dial-up FTP users
If our GIS group could get into an air photo update cycle, i.e., every two
years in high growth areas, in cooperation with our Property Appraiser,
(or the WMD, FEMA, etc. in the WISE program), we could consider using air
photos as background images with our Zoning overlays: that's where we could
be or what we're able to do (in a few years).
We need to improve our Online Mapping Service, i.e., to include Zoning maps
with air photos (PDFs or possibly PNGs) on our FTP for home dial-up users.
Any ideas (cricket sounds)? Our Web server can't handle large graphics
files, i.e., 18 MB so we can't use graphics views with air photos in the
background.
Is this a question for Internet developers? Can anyone advise us on any of
these Internet solutions? Thanks in advance for any Internet mapping
solutions.
Ken
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