[Qgis-user] Multiple Map Layout
G. Allegri
giohappy at gmail.com
Mon Mar 5 10:19:36 PST 2012
>
> 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 <
> lee.hachadoorian at gmail.com> 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 <giohappy at gmail.com> 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 <lee.hachadoorian at gmail.com>
>>>
>>>> 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
>>>> Qgis-user at lists.osgeo.org
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>>>>
>>>>
>>>
>>
>>
>> --
>> Lee Hachadoorian
>> PhD, Earth & Environmental Sciences (Geography)
>> Research Associate, CUNY Center for Urban Research
>> http://freecity.commons.gc.cuny.edu/
>>
>>
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>>
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