[ka-Map-users] Re: Venkman Debugger

Pg pg.navone at gmail.com
Sat May 6 03:55:36 EDT 2006

If you have static data, why using overlays?
You can draw a Mapserver layer of some kind, isn't it?


2006/5/5, Justin George <justin.george at gmail.com>:
> If you guys haven't seen Venkman debugger, I highly recommend it. It's
> a full-scale debugger for javascript applications on Firefox.
> http://www.mozilla.org/projects/venkman/
> Also, as to the overlay stuff, it's working quite well for me, I'm
> surprised you consider it beta code. Is there any progress on 'real'
> means of creating and drawing overlays?
> Of course, my sample size is only one windows machine and one linux
> machine, testing firefox, IE v5 and IE v6, and konqueror, so if it's
> not working on those combinations, I'd be unaware.
> Anyway, my major problem with the overlays was not that they were
> unworkable, but rather it was nearly impossible to cache the returned
> XML from the server.
> I solved cacheing by passing my XML extents ceil and floored to the
> nearest degree and setting cache control on the XML (since we're using
> largely static data, one hit should be enough).
> This I also did for the polygon generation, although rounding was much
> less useful there, since we are rendering polygons on the centerpoint
> and so of course you don't want to round the centerpoint of a 200,000
> to one scale map very far.
> Thanks for your input
> J
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