Hi Sandro On Wed, Aug 3, 2016 at 3:25 PM, Sandro Mani <[email protected]> wrote: > Hi > > For a project I need independent QgsMapCanvas instances, in particular a > child view which is unrelated to the main view (including its layertree). > (Easy example: the main view displays a city, and if the user clicks on a > "show building schema" button in the building feature attribute dialog, the > schema of the building is opened in a secondary view. The layers of the > building schema should not appear in the main layer tree however). > > Currently this is not possible: while one can set the layers individually > for each QgsMapCanvas, the QgsMapSetting ends up storing the layer ids and > hence they must be stored in the QgsMapLayerRegistry. Items which are stored > in the QgsMapLayerRegistry will always be visible in the application legend > tree.
You can use QgsMapLayerRegistry.instance().addMapLayer(layer, False) - the layer will get to the registry, but it will not end up in the layer tree. Doesn't it solve your problem? Cheers Martin _______________________________________________ Qgis-developer mailing list [email protected] List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer
