[QGIS-Developer] Rule based renderer question

[Nyall Dawson]

On 7 February 2018 at 23:55, matteo <matteo.ghetta at gmail.com> wrote:
> Hi all,
>
> simple question for the refining the rule-based renderer.
>
> Suppose you have an admin layer (all word countries) and you categorized
> it depending on the continent belonging (e.g. 5 categories - 5 colors).
>
> Switch to the rule-based rendered and refine the rule (only for the
> continent e.g. Africa) by adding sub-categories to style each African
> country with other random colors.
>
> When choosing the category column in the sub-rendered, it filters for
> **all** world countries and not for just the African ones.
>
> The same happens when adding an interval for the rule (so min and max
> values are calculated considering the values of the whole layer).
>
> I don't know if this behavior is intended, but I was expecting to have
> listed just the sub-categories of the main one.
>
> But maybe I'm missing something, so I'm just asking :)
>

It's been a feature request for a while - see
https://issues.qgis.org/issues/10479

Nyall