[Chameleon] ka-Map: new open source project
etdube at gmail.com
Wed May 18 12:36:20 EDT 2005
It looks just like Google Maps! I wished there was something like this
while evaluating MapServer for a new project, now there is. Good work!
Paul Spencer wrote:
> ka-Map: new open source project
> DM Solutions Group is pleased to annouce the release of a new MapTools
> open source project aimed at the growing interest in highly
> 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
> * flexible tile caching system
> 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
> 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:
> 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):
> 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.
> 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!
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