[Qgis-user] Atlas generation - Rule based renderer on two different layers??

[Pietro Rossin]

Thank you Alexandre
Yess!!!
I get rid of the problem just after this posting.. And indeed the solution
was as written on the end of Nathan post..

Now i was playing with label rules but without success...
I have two polygon layers, each feature of the first one can perfectly
contain one or more features of the second (this last is the layer for the
atlas generation), but sometimes the atlas feature can slightly exceed the
containing polygon of the first layer

I want the label to appear for the first layer only for the feature that
contains the atlas feature and not for the surrounding ones...

So I wrote this statement:
CASE WHEN contains($geometry , centroid($atlasgeometry)) THEN my label END

But it doesn't work...





2014-03-28 9:06 GMT+01:00 Alexandre Neto [via OSGeo.org] <
ml-node+s1560n5131715h10 at n6.nabble.com>:

> Yes you can. check the end of this post.
>
>
> http://nathanw.net/2013/12/02/waiting-for-qgis-22-highlighting-current-atlas-feature/
>
> Alexandre Neto
> Em 28/03/2014 07:56, "Pietro Rossin" <[hidden email]<http://user/SendEmail.jtp?type=node&node=5131715&i=0>>
> escreveu:
>
>> Hello people
>> I'm using the atlas generator and I'm able to use a rule based renderer on
>> the Atlas feature showed by the filter: $id = $atlasfeatureid
>>
>> I'm wondering if it is possible to render the symbology of a second layer
>> using a distance criterion
>>
>> I know postgis can query a feature layer by distance with a second layer
>> with st_dwithin(g1,g2,d).
>>
>> Is it possible to make something similar on the fly using the $geometry of
>> the second layer and $atlasgeometry as the selector by distance of the
>> feature to be rendered?
>>
>> bie
>> pietro
>>
>>
>>
>>
>>
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