Also for the record ---------- Forwarded message ---------- From: Pavel Iacovlev <[email protected]> Date: Wed, Nov 18, 2009 at 11:30 AM Subject: Re: [OpenLayers-Users] Image flickering in Firefox when changing the URL of an image layer To: Pedro Baracho <[email protected]>
Using Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 I see the flickering On Wed, Nov 18, 2009 at 3:18 PM, Pedro Baracho <[email protected]> wrote: > For the record, I am currently using FF 3.5.5, Gecko/20091102 on Windows and > I don't see any flickering in the link you posted. > > On Wed, Nov 18, 2009 at 11:10 AM, Marc Jansen <[email protected]> wrote: >> >> Hi list, >> >> when the URL of an imagelayer is changed via the APIMethod setUrl, the >> image is flickering regardless of the browser cache or the transition >> effect. This behaviour can be seen e.g. here: >> >> http://www.webmapcenter.de/wetterradar/animation.html >> >> In that demo the URL of the imagelayer is changed every 500 ms and the >> flickering should be easy to spot (at least if you wait for roughly 20 >> seconds). Firebugs Net-tab shows that the images are being requested >> over and over. >> >> The flickering is only noticeable in Firefox (3.5 Win and Linux); Opera >> 10 and IE 8 work like a charm (they cache the varying images). The >> changing of the src of a pure <img> with JavaScript does not show the >> flickering (as can be seen in the above link, too). I don't have results >> for other browsers. >> >> Can anybody help me identify the root of this flickering? I am unsure >> whether this Firefox bugreport is maybe relevant to this issue: >> https://bugzilla.mozilla.org/show_bug.cgi?id=492052. I doubt that it is >> related to apache settings (Caching- or Expires-Headers) as the pure JS >> solution isn't flickering at all. >> >> Any help or advice on this issue would be great! >> >> Regards, >> Marc >> >> BTW.: If someone shows me a better alternative to build an animation of >> different Imagelayers, I would be happy as well :-) >> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://openlayers.org/mailman/listinfo/users > > > _______________________________________________ > Users mailing list > [email protected] > http://openlayers.org/mailman/listinfo/users > > -- http://iap.md, The future is open
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