[Qgis-user] rule based classification - attribute based on other layer

[Junior Delaz]

Hello,
You may give a look to *getFeature* function (combining or not with
function like *attribute* or spatial ones). There is also *RefFunctions*
plugin that may help to use values/fields of another layer.
But unfortunately, there is no list of such layers nor their fields in the
dialog. You need to write them yourself and their values.

2015-03-25 18:14 GMT+01:00 Matteo Ghetta <matteo.ghetta at gmail.com>:

> Hi all,
> very simple question.
> In the rule-based classification (vector) is it possible to use values of
> another layer loaded in QGIS?
>
> For example. Point vector and I want to display as red each feature that
> has a value greater than a value stored in another point layer (or in a
> table).
> In the expression builder there are the fields of the active layer.
>
> Is it possible to call the fields of other layers?
>
> Thanks
>
> Cheers
>
> Matteo
>
>
>
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