[Qgis-user] Control Layers using Atlas

[Andreas Neumann]

Hi Nyall,

A data-defined "layer visibility" control would be very useful to have.

I'll send you a separate mail about that.

Andreas

On 15.08.2015 00:27, Nyall Dawson wrote:
> On 15 August 2015 at 00:34, Alexandre Neto <senhor.neto at gmail.com> wrote:
>> Hi,
>>
>> I made a few tests and, it works well for vector layer. All you need is the
>> right coverage layer, a top rule in all layers that you need to controlo.
>> Like you said, Yhis does not work for raster layer, neither it work for
>> vector renderers like ppint displacement or heatmap.
>>
>> Also using legend filter, one can also adapt the maps legend.
>>
> What about if there was a data-defined "layer visibility" control
> available for vector and raster layers? Would that solve the problem?
>
> Nyall
>
>
>
>> Em sex, 14 de ago de 2015 às 12:10, Thomas Colley
>> <it087 at neath-porttalbot.gov.uk> escreveu:
>>> Hi Alexandre
>>>
>>>
>>>
>>> I think the rule based symbology would work but I’m trying to print a
>>> series of raster layers so unfortunately that’s not an option this time.
>>>
>>>
>>>
>>> Thanks for your help, I’ll keep looking into it and let you know if I find
>>> anything.
>>>
>>>
>>>
>>> Tom
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> From: Alexandre Neto [mailto:senhor.neto at gmail.com]
>>> Sent: 14 August 2015 11:59
>>> To: Thomas Colley; qgis-user at lists.osgeo.org
>>> Subject: Re: [Qgis-user] Control Layers using Atlas
>>>
>>>
>>>
>>> Hello Thomas,
>>>
>>> I had that need aswell. If data defined properties were made possible in
>>> the map composer lock preset option, that would be something direct to do.
>>>
>>> Just occured that one might somehow achieve that by transforming each
>>> layer's symbology into a rule-based symbology, and set a general rule to
>>> render the feature only if there is a match between a atlas coverage field.
>>> Dont' know if that would work, but it worth a try.
>>>
>>> Let me know if you could do it.
>>>
>>> Alexandre Neto
>>>
>>>
>>>
>>> Em sex, 14 de ago de 2015 às 11:44, Thomas Colley
>>> <it087 at neath-porttalbot.gov.uk> escreveu:
>>>
>>> Hi
>>>
>>> Is it possible to use Atlas to print out a number of maps each showing a
>>> different layer instead of a different area of interest?
>>>
>>> I'm thinking the atlas layer would have the same area of interest polygon
>>> duplicated with an attribute that holds the layer name(s) to be displayed.
>>>
>>> I'm sure I have seen this discussed/explained somewhere before but now I
>>> can't find anything on it, maybe I've just made it up!
>>>
>>> Thanks
>>>
>>> Tom
>>>
>>>
>>>
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>>
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