VS: [mapserver-users] Hiding overviews

Mike Meier stirc at gmx.de
Wed Mar 5 03:50:37 PST 2008


Hi,

i have the same problem and the GROUP parameter dont help me. My 
Mapserver (5.0.1) always show both layers.

Mike

Rahkonen Jukka schrieb:
> Hi,
>
> I've never tried myself, but I would not be surprised if you could do something of that kind with GROUP in LAYER object. Excerpt from mapfile reference http://mapserver.gis.umn.edu/docs/reference/mapfile/layer follows.
>
> GROUP [name]
>     Name of a group that this layer belongs to. The group name can then be reference as a regular layer name in the template files, allowing to do things like turning on and off a group of layers at once.
>
> -Jukka Rahkonen-
>
>
>   
>> -----Alkuperäinen viesti-----
>> Lähettäjä: mapserver-users-bounces at lists.osgeo.org 
>> [mailto:mapserver-users-bounces at lists.osgeo.org] Puolesta 
>> Eichner, Andreas - SID-NLK
>> Lähetetty: 5. maaliskuuta 2008 10:24
>> Vastaanottaja: mapserver-users at lists.osgeo.org
>> Aihe: [mapserver-users] Hiding overviews
>>
>>
>> Hello everybody!
>>
>> I've build external overviews, both with raster and vector 
>> data, put them into layers with MIN-/MAXSCALE and it works 
>> like a charme. My only problem is that I can not get the 
>> switching of those layers transparent to the user. A 
>> "GetCapabilities"-WMS-Request returns all layers separately. 
>> But it makes no sense for the user to turn only one layer 
>> on/off. Instead the only useful thing a user can do is 
>> switching the hole _group_ of detail/overview layers on/off.
>> So is there a way to only show the hole group as _one_ single 
>> layer in a WMS with mapserver? The WMS specs (v1.3.0) 
>> suggests that only the group layer should have a name, the 
>> single detail/overview layers should not.
>> Therefore only the group layer can be contained in a WMS 
>> request and should be shown by a WMS client as one single 
>> layer, I think.
>>
>>     



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