Hi, On Fri, Nov 14, 2014 at 9:10 AM, aperi2007 <aperi2...@gmail.com> wrote: > Hi Salvatore, > > thx for hint. > It is a very interesting feature. > I dont know it. > > But unfortunately it dont seem to be what I need.
ok, my immagination was wrong :) > > My need is showing the the user all the layer of a group. > > they are all wms layer of kind OFC ortophoto, and each of them cover all the > land. > So If perfectly unuseful for the user turn on more than one layer at same > time. > So the need is avoid that the user turn off more than one of them. > > This is a standard feature in some webgis framework. > And it will be useful aso in a qgis project to avoid that the user could > turn on some layers that are not > useful to see both at the same time. > And if turn on more than one at the same time it see only the upper (the > other are covered) but the > time to show the map and the network traffic is for all of them. So you want to alternate layers that cover each other? That is a cool feature, but it is not possible to do right now. > > AFAIK this feature dont seem to be available so I'm evaluating if is > possible to support it with a few of python code in an action. No idea on how to do such an action from python but I think that should be handy to do from C++ to have it available in group context menu, something like a checkbox "Alternate layers". maybe could you open a feature request? > > A. > > > Il 14/11/2014 08:53, Salvatore Larosa ha scritto: > >> Hi, >> >> On Fri, Nov 14, 2014 at 7:33 AM, Andrea Peri <aperi2...@gmail.com> wrote: >>> >>> Hi, I need to set a qgis project to turn on only 1 layer from a group. >>> When >>> a layer is turn on the others should be turn off. >>> I guess this is not possibile from group properties, but is possibile to >>> set >>> an action to turn off every layer in a group other than the actual layer >>> turn on ? >> >> I guess what you are looking for is adding a "Preset" in legend tree. >> This is a new feature found in 2.6. >> Turn off all layers and activate the only layer which you want display >> then add a Preset (from eye icon). >> >> Best Regards, >> -SL >> >> > -- Salvatore Larosa linkedIn: http://linkedin.com/in/larosasalvatore twitter: @lrssvt skype: s.larosa IRC: lrssvt on freenode _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user