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

[Matteo Ghetta]

Hi,
I cannot install the plugin.. I have a missing library (qtsql)...
anyway thanks for clarifying..

Matteo

2015-03-25 19:11 GMT+01:00 Junior Delaz <delazj at gmail.com>:

> 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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>>
>
>
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