[OpenLayers-Dev] A kind of MultiLayer container

[Eric Lemoine]

On Tuesday, August 4, 2009, Ivan Grcic <ivan.grcic at geofoto.hr> wrote:
> On Tue, Aug 4, 2009 at 6:04 AM, Eric Lemoine<eric.lemoine at camptocamp.com> wrote:
>> On Monday, August 3, 2009, Ivan Grcic <ivan.grcic at geofoto.hr> wrote:
>>> Hi devs,
>>>
>>> I want to ask if anyone has made something like Vector/RootContainer,
>>> a layer that would contain several layers, and every layer would
>>> activate/deactivate on different zoomLevels.
>>>
>>> Simple case: 3 (or more) layers combined in one ContainerLayer
>>> small scale: WMS raster layer
>>> larger scales: other WMS  raster layer
>>> large scale: WFS vector layer
>>>
>>>  Usually I always register zoomend event on map, and manually activate
>>> or deactivate layers...but it got little bit boring to do that on
>>> application level every time.
>>>
>>> I remember Alexandre did something like that but for Vector layer
>>>  or http://openlayers.org/pipermail/users/2009-January/009666.html
>>>
>>> Anyone did something like that? (does mapfish maybe has soemthing like that)
>>>  If not, can anyone just give few tips, so I could start developing it...
>>
>>
>> Hi Ivan
>>
>> Can't you just set different resolution ranges in the layers?
>>
>> Cheers,
>>
>>
> Tnx for replies guys,
>
>
> Yes yes, im setting ranges for my layers, but I want to have only one
> layer shown in layerSwitcher for group of layers.
>
> I guess I just have to create one dummy layer with inLayerSwitcher:
> true, and other layers to false. And then just register activate,
> deactivate events that will turn off/on all group layers. (as alex
> suggested, tnx)
>
> I was just wondering if it would have sense to have it included in
> API, not to do it manually all the time...

Sorry I misunderstood you Ivan. IIRC we have that in the MapFish layer
tree, but I guess you don't want to pull the entire Ext lib just for
that.


> Cheers
>
>
>>>
>>> Tnx&Cheers,
>>>
>>>
>>> --
>>> Ivan Grcic
>>> _______________________________________________
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>>> Dev at openlayers.org
>>> http://openlayers.org/mailman/listinfo/dev
>>>
>>
>> --
>> 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
>> _______________________________________________
>> Dev mailing list
>> Dev at openlayers.org
>> http://openlayers.org/mailman/listinfo/dev
>>
>
>
>
> --
> Ivan Grcic
>

-- 
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