[Qgis-user] Control Layers using Atlas

[Nyall Dawson]

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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