On Nov 11, 8:00 pm, DeirdreH <[EMAIL PROTECTED]> wrote:
> Hey folks:
>
> Has anyone else started experiencing problems with
> GTileLayerOverlay.refresh() seeming to not function?
>
> I have a traffic congestion map which uses a overlay created from a
> wms to show roadway congestion. Every 2 minutes, an ajax poll to the
> server gets information for the incident points and then calls
> refresh() on the congestion tile overlay. This was functioning fine
> last time I worked on it.
>
> Today, I received a complaint that the tiles didn't seem to be
> updating properly. I've been watching the site using Firefox/Firebug
> and I see an issue. It hits the call to refresh() (breakpoint in the
> script panel) but the Net panel isn't showing any new requests to the
> wms.
>
> Thanks,
> DeirdreH

Tiles may not be a good choice for time sensitive images for the
reasons you are experiencing.  If you pan your map, you will have a
mix of old tiles with new tiles.  You must add a bogus parameter to
your URL to defeat your browser's cache.  Otherwise, it may not
refresh every tile.



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