[OSM-dev] Cartagen - client-side vector based map renderer, dynamic maps

Jeffrey Warren warren at mit.edu
Sat Apr 25 16:03:18 BST 2009

I'm working on a Javascript map renderer, non tile-based. It's really
early-stage alpha, and not publicly released yet, but I'd love some feedback
from folks as I'm continuing to develop it.
http://cartagen.org - hold down 'r' and drag to rotate, scroll wheel to zoom

(Takes a few seconds to load; i'm using 0.6 api but plan to move to a local
planet.osm db for speed)

Cartagen downloads point data and draws it using the <canvas> element in
native HTML 5. This allows for animations, live/changing realtime data, and
in general a complete scripting environment for displaying maps on the
client side.

It's not been optimized yet, so loading is a little slow, but I'm optimistic
that it will scale. Right now, though, I'd like to invite comments,
criticisms, etc. and also participants as I'm shortly going to open source
this project.

Jeffrey Warren

On Tue, Apr 21, 2009 at 7:00 PM, Richard Fairhurst <richard at systemed.net>wrote:

> Stefan de Konink wrote:
> > So let me rephrase. If I wrote an editor in pure Javascript I would
> > be able to ban Potlatch?
> If you write an editor in pure JavaScript you can put it up on the
> site and people can use whichever they prefer.
> cheers
> Richard
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