[OSGeo-Discuss] Generating html clickable image maps from polygons

Alexandre Leroux alexandre.leroux at ec.gc.ca
Wed Jan 7 12:10:25 PST 2009

Thanks to all who replied. This is great to learn many open source 
software can do it. We'll definitely use one of them.

For the benefits of the community, I published a short summary of the 
findings on Slashgeo: http://slashgeo.org/article.pl?sid=09/01/07/1828208
Slashgeo regularly covers OSGeo software, with 35,000 daily hits and 
thousands of unique IP addresses reached every day, it can only help 
open source geospatial software get even more publicity.


Alexandre Leroux, M.Sc., Ing.
Environnement Canada / Environment Canada
Centre météorologique canadien / Canadian Meteorological Centre
Section de la réponse aux urgences environnementales /
Environmental Emergency Response Section
alexandre.leroux at ec.gc.ca

On 01/05/09 16:26, Steve Lime wrote:
> For completeness, MapServer can generate them two ways, using the image map driver
> David mentions and using templated query outputs. Here's an example that has 3 
> of 'em...
>   http://www.dnr.state.mn.us/ecs/index.html 
> Steve
>>>> On 1/5/2009 at 3:13 PM, in message
> <6246727221874A4FB8D3F9BBC37D9BD5056DA0D0 at s-sp22.pca.state.mn.us>, "Fawcett,
> David" <David.Fawcett at state.mn.us> wrote:
>> Alex, 
>> You can use MapServer to generate imagemaps.  See 
>> http://mapserver.org/output/imagemaps.html 
>> David.
>> -----Original Message-----
>> From: discuss-bounces at lists.osgeo.org [mailto:discuss-bounces at lists.osgeo.org] 
>> On Behalf Of Alexandre Leroux
>> Sent: Monday, January 05, 2009 2:37 PM
>> To: OSGeo Discussions
>> Subject: [OSGeo-Discuss] Generating html clickable image maps from polygons
>> Hi list,
>> A rather technical question. I was able to find a potential solution 
>> with GRASS GIS, but want to know if there are other solutions involving 
>> FOSS4G software.
>> Which other FOSS4G software can generate html clickable image maps out 
>> of polygons? The challenge is simple: a colleague has many polygons that 
>> must be exported to several clickable PNGs like the example on this 
>> page: http://www.weatheroffice.gc.ca/warnings/sqc_e.html 
>> (A webmap tool such as OpenLayers would be much more powerful, but in 
>> some cases we do need clickable PNGs.)
>> I found out it seems GRASS GIS 6.3+ can do it via its HTMLMAP driver: 
>> http://www.phygeo.uni-hannover.de/grass/grass63/manuals/html63_user/htmlmapdri 
>> ver.html
>> Can any other OSGeo software do the same?
>> Thanks for any reply!
>> Alex
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