[OpenLayers-Users] onImageLoadError not triggered when a tile is missing

[Frederic Junod]

Hello,

It's a know problem with chrome, see http://trac.openlayers.org/ticket/2371

fredj

On Fri, Jan 29, 2010 at 8:29 PM, Etides <etienne.desgagne at roche.ca> wrote:
>
> Hi,
>
>    I have overwrited the OpenLayers.Util.onImageLoadError function to
> switch the src of the tiles that does not exist in the Tilecache directory
> of a layer. When the tiles has not been created in the cache, we switch the
> src of the image to a "missing.png" tile that contain nothing... this way we
> can create in the cache only the tiles that contain features and save a lot
> of disk space...
>
> This is working well with Internet Explorer but with Google Chrome we are
> facing a problem... Some tiles that do not exist in the Tilecache cache
> directory are not replaced with our “missing.png” tile and a red cross is
> showed instead. After investigation it seems that the problem come from the
> OpenLayers.Util.onImageLoadError function that are not triggered when Open
> Layers is trying to show the tiles that do not exist… Worst, this problem is
> intermittent because sometime, some of the missing tiles are correctly
> replaced with our "missing.png".
>
> Someone have an idea why OpenLayers.Util.onImageLoadError is not triggered
> with Google Chrome? Anyone have experienced the same problem?
>
> Thanks a lot.
>
> Etienne
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-- 
Frédéric Junod
Camptocamp SA