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: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Puolesta
> Eichner, Andreas - SID-NLK
> Lähetetty: 5. maaliskuuta 2008 10:24
> Vastaanottaja: [email protected]
> 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.
>
> It would be nice to make external overviews appear as
> transparent as GeoTIFF's internal overviews... Any tipps,
> suggestions, help?
>
> Thanks a lot!
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