Thank you Anita and Giovanni, I tested what you described and observed the expected behavior. --Lee
On Mon, Mar 5, 2012 at 1:19 PM, G. Allegri <[email protected]> wrote: > Therefore, if you want multiple map items on a page displaying on dataset >> in different styles, it seems necessary to duplicate the layer in the >> project file. >> >> > Exactly. I meant this, sorry for not saying it explicitly. > > giovanni > > > >> Best wishes, >> >> Anita >> >> >> On Mon, Mar 5, 2012 at 6:41 PM, Lee Hachadoorian < >> [email protected]> wrote: >> >>> Not sure how this is supposed to work, but here is the behavior I >>> observe. >>> >>> In Composer window: >>> >>> Add map item (A). Check "Lock layers for map item". >>> Add map item (B). DO NOT check "Lock layers for map item". >>> Change symbology in main QGIS window. >>> Add map item (C). >>> >>> A and B display old symbology. C displays new symbology. But if you make >>> more changes to the symbology, and want to update C, you have to hit >>> Refresh view button. Now, *all* map items, whether or not "Lock layers for >>> map item" is checked, change to new symbology. Similarly, if you change the >>> layer extent in A or B, they update to display the new symbology. >>> >>> So it looks like if you add a map item, it will not update as long as >>> you leave it alone and don't hit Refresh view. But then if you're unhappy >>> with map item C, you have to delete it and add it in order to avoid hitting >>> Refresh view. Furthermore, I don't see any difference in behavior between A >>> and B. So what does "Lock layers for map item" actually do? >>> >>> Running 1.7.4 on Ubuntu 10.04. >>> >>> Thanks, >>> --Lee >>> >>> On Mon, Mar 5, 2012 at 11:40 AM, G. Allegri <[email protected]> wrote: >>> >>>> You can insert as many maps as you need and lock the layers inside the >>>> map. >>>> Set the symbology you need for one of your frames and the lock the >>>> layers. >>>> Then change symbology for the other, and so on... >>>> Look the "Lock layers for map item" inside the Map options of the left >>>> side frame: http://bit.ly/A8owm6 >>>> >>>> giovanni >>>> >>>> 2012/3/5 Lee Hachadoorian <[email protected]> >>>> >>>>> I've used QGIS to create a layout with a main map and an inset (e.g., >>>>> Continental US with Alaska and Hawai'i as inset maps at different scales). >>>>> But that's just two "viewports" onto the same underlying data. I wanted to >>>>> make a layout where the same area would be displayed with two different >>>>> symbolizations, side by side on the page for comparison. For those >>>>> familiar >>>>> with ArcGIS, I would normally accomplish this with two Data Frames. >>>>> >>>>> Is there any way to do this with QGIS? Or do I have to create two QGIS >>>>> projects, and combine the maps externally (presentation software, page >>>>> layout software, etc.)? >>>>> >>>>> Thanks, >>>>> --Lee >>>>> >>>>> -- >>>>> Lee Hachadoorian >>>>> PhD, Earth & Environmental Sciences (Geography) >>>>> Research Associate, CUNY Center for Urban Research >>>>> http://freecity.commons.gc.cuny.edu/ >>>>> >>>>> >>>>> _______________________________________________ >>>>> Qgis-user mailing list >>>>> [email protected] >>>>> http://lists.osgeo.org/mailman/listinfo/qgis-user >>>>> >>>>> >>>> >>> >>> >>> -- >>> Lee Hachadoorian >>> PhD, Earth & Environmental Sciences (Geography) >>> Research Associate, CUNY Center for Urban Research >>> http://freecity.commons.gc.cuny.edu/ >>> >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/qgis-user >>> >>> >> >> _______________________________________________ >> Qgis-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-user >> >> > -- Lee Hachadoorian PhD, Earth & Environmental Sciences (Geography) Research Associate, CUNY Center for Urban Research http://freecity.commons.gc.cuny.edu/
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