[Chameleon] ka-Map: new open source project

Liz Godwin godwin.liz at gmail.com
Wed May 18 22:24:04 EDT 2005

I was wondering the same thing: Do you sleep Paul???

I'm going to have to poke at the code. I'd be REALLY interested in getting 
it worked into Chameleon. I'm gathering it might require a re-vamp of 
Chameleon??, and of course more dev time for ka-Map...

Can you comment to the list Paul as to what kind of effort this will 
involve? So we can either get excited in the short term or wait patiently 
for the future. I have a bunch of sites to develop using Chameleon over the 
next while and this kind of speed would certainly make me very happy. 
Especially if it's something I could potentially upgrade to fairly easily 
when it's ready.

Liz Godwin

On 5/18/05, Jacob Delfos <jacob.delfos at maunsell.com> wrote:
> Paul,
>  You must have been extremely busy with all that. Do you in fact sleep?
> The performance from here (other side of the world) is fantastic, and the 
> navigation very smooth and nice. Look forward to seeing this integrated into 
> Chameleon.
>  Jacob
>   -----Original Message-----
> From: chameleon-bounces at lists.maptools.org [mailto:
> chameleon-bounces at lists.maptools.org] On Behalf Of Paul Spencer
> Sent: 18 May 2005 05:14
> To: mapserver-users at dmsolutions.ca; 'chameleon at lists.maptools.org'<%27chameleon at lists.maptools.org%27>
> Subject: [Chameleon] ka-Map: new open source project
>  ka-Map: new open source project
> ===============================
>  http://ka-Map.maptools.org/
>  DM Solutions Group is pleased to annouce the release of a new MapTools 
> open source project aimed at the growing interest in highly interactive, 
> javascript mapping applications based on MapServer. Here are some 
> details ...
>  ka-Map provides many of the features that one should expect in a 
> state-of-the-art web-mapping application.
>  Features include:
>  * tile-based continuous panning
>  * no page reloading
>  * keymap, legend and scalebar
>  * zoom in/zoom out
>  * keyboard navigation
>  * sliding effects for panning on double click (ok, that one's for fun!)
>  We have also implemented some advanced features that are more in tune 
> with the MapServer community's needs:
>  * configuration can include multiple map files with different extents, 
> image formats, and scales for each map file. Client side interface can 
> include the ability to change between map files
>  * ability to have layer visibility controls by drawing each GROUP as a 
> separate HTML layer on the client side
>  * ability to use HTML legend template to build more advanced layer 
> controls
>  * flexible tile caching system
>  * separation of the javascript logic from the HTML page to provide an 
> API with which to build your applications
>  ka-Map is built on AJAX principles and uses the XmlHttpRequest object to 
> communicate with the server, providing a much more responsive user 
> interface. The server side is implemented using PHP/MapScript (what 
> else!) but could easily be replaced with anything that would spit out 
> the equivalent javascript in response to the various requests.
>  ka-Map uses cached tiles generated on demand by drawing much larger map 
> images and slicing them up. The caching mechanism is currently quite 
> simplistic and could not handle large data projects, but it is 
> definitely sufficient for getting started. There are issues with this 
> kind of tile generation, but it is almost essential for performance 
> given the current state of the art.
>  ka-Map is aiming to be an API for developing mapping applications. As 
> such, we are hoping it will be picked up by, and integrated into, some 
> of the other open source projects such as MapBender, ZMapServer, 
> GeoServer, and (of course) Chameleon.
>  The home of ka-Map is:
>  http://ka-Map.maptools.org
>  Downloads and CVS are not quite ready, but you can try out the interface 
> by visiting our first public site based on this technology (basic 
> features only in this one):
>  http://maps.dmsolutions.ca/
>  Subscribe to the user list to find out when downloads and CVS access are 
> available, and also to participate in the ongoing development and 
> testing of this new technology.
>  http://lists.maptools.org/mailman/listinfo/ka-map-users
>  We are hoping this project will engage the MapServer community's 
> interest and gain momentum from user contributions. Please join up and 
> start contributing if you are interested in this technology!
>  Sincerely,
>  Paul
> -- 
> +-----------------------------------------------------------------+
> |Paul Spencer pspencer at dmsolutions.ca |
> +-----------------------------------------------------------------+
> |Applications & Software Development |
> |DM Solutions Group Inc http://www.dmsolutions.ca/|
> +-----------------------------------------------------------------+
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