[OpenLayers-Users] openlayers 2.8: hard limit of 45 layers: add a 46th and 47th layer, the 1st and 2nd layers will no longer work.

[Eric Lemoine]

On Tuesday, February 15, 2011, John Mitchell <mitchelljj98 at gmail.com> wrote:
> Hi,
>
> I have the following problem with openlayers version 2.8:
>
> This problem seems to be due to a hard limit of 45 layers.
>         As you go past this limit, the first layers in the list start to
>         not work. They will still be in the list but trying to turn them
>         on does nothing. Eg, if you add a 46th and 47th layer, the 1st
>         and 2nd layers will no longer work.
>
> Does anyone have any ideas why I seem to have this hard limit of 45 layers?  Will upgrading to the latest stable version of 2.10 openlayers allow more layers than 45 to be on the layer list without first layers disappearing?

Hi. There's a hard limit, but it's supposed to be above 45. OpenLayers
won't work well with more than 10-15 layers, so it is really
recommended to group layers server side - for example using the WMS
GetMap "layers" param. I don't think upgrading 2.10 will make a
difference.

-- 
Eric Lemoine

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