[OpenLayers-Dev] Exception in OpenLayers.Layer.Grid.removeBackBuffer

Tim-Hinnerk Heuer th.heuer at gmail.com
Wed Mar 14 03:36:45 EDT 2012


Just guessing here:
Maybe the state of a layer changes when the tiles finish loading to
something more consistent that can be cloned and maybe the <img> element is
in a different state or not even there while it is loading? I seem to
remember something like that when I was doing the VideoWMS. Correct me if
I'm wrong.

Thanks,
Tim

On Wed, Mar 14, 2012 at 8:28 PM, Eric Lemoine
<eric.lemoine at camptocamp.com>wrote:

> On Wed, Mar 14, 2012 at 8:08 AM, Andreas Hocevar <ahocevar at opengeo.org>
> wrote:
> > The only occasions I could think of that could potentially make
> > this.backBuffer both non-null and not a child of this.div is when a
> > layer is cloned during tile loading
>
> I had thought about this too. But I'm still failing to understand how
> cloning can lead to this state. Do you mind elaborating a bit? Thank
> you.
>
>
> --
> Eric Lemoine
>
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
>
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
> http://www.camptocamp.com
>
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