[Qgis-user] Aggregation in layout legend

Ben Hur Pintor bnhr.dev at gmail.com
Thu Mar 12 08:17:42 PDT 2020


Hi!

I literally just did this (manually add sum and average values on the
legend) a few hours ago so +1 from me; Although I find that my need for
this isn't that common, I'd still consider it a welcome addition.

All the best,
Ben Hur

On Thu, Mar 12, 2020 at 8:50 AM Alexis R.L. <alroyliz0 at gmail.com> wrote:

> Greetings everyone,
>
> I would like to know if some of you would benefit from fully
> functional aggregate expression in the legend.
>
> What does this mean? Let's say you have a layer with x symbols
> representing distinct type of housing units, if you want to know the median
> income, average population ,etc of each category. You could do so with an
> expression in the legend, which is actually functional for anything that is
> not an aggregate that take into account the symbol subset.
>
> You could also have those values change if you decide to add an extra
> filtering condition to limit the calculation on features that are visible
> in the map extent, this way you can use an atlas to print out everything
> without changing the values manually.
>
> I have made a QEP for this already (
> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/137) and PR are
> pending but I feel like I'm the only one that would benefit from such a
> feature, hence why I am asking if there is an interest from other users
> regarding such a thing.
>
> Thanks!
>
> Alex
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-- 
---
*Ben Hur S. Pintor*
bnhr.xyz
hi at bnhr.xyz


open spatial & data solutions
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