[Qgis-user] Linking label colour to line colour?

[Harrissou]

Hi,

Le 11 juin 2019 17:45:45 GMT+02:00, Bernd Vogelgesang <bernd.vogelgesang at gmx.de> a écrit :
>phaaa ... that was too easy!
>
>simply putting @symbol_color into the expression for data-driven font
>colour does the trick.
>
>I really love to see all these functions popping up in the last
>versions, but without enough examples in the docs, you'll never know if
>just need this single function, or if you need a full circus of other
>stuff before or around it in some way.
>

Humm.. actually this variable exists since January 2016 as of https://github.com/qgis/QGIS/pull/2512 (though not the implemented pull request) and already in 2.14 doc (https://docs.qgis.org/2.14/en/docs/user_manual/working_with_vector/expression.html#variables-functions)
About mention in docs, it's not a secret that we horribly need people to help to write the docs and we welcome any input in this regard. So now that you know how it works...
We also welcome ideas and suggestions of refactoring if needed.

H.
>Now that I found out about the function name, I was finally able to
>find
>the answer on stackexchange as well:
>https://gis.stackexchange.com/q/152203/8202
>
>Thanx a lot!
>
>Bernd
>
>Am 11.06.19 um 14:26 schrieb DelazJ:
>> Hi Bernd
>> You might be looking for the @symbol_color variable
>>
>(https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/expression.html?highlight=symbol_color#variables-functions)
>>
>> Regards,
>> Harrissou
>>
>> Le 10 juin 2019 21:11:18 GMT+02:00, Bernd Vogelgesang
>> <bernd.vogelgesang at gmx.de <mailto:bernd.vogelgesang at gmx.de>> a écrit
>:
>>
>>     Hi,
>>
>>     is there an "easy" way to somehow show the label of a line in the
>same
>>     colour as the line itself?
>>
>>     I have a layer of 50somewhat lines which mark overlapping areas.
>To be
>>     able to better differenciate between those on a map, I would like
>to
>>     give the labels of the line feature the same colours as the lines
>>     themselves (sounds reasonabe).
>>
>>     The lines are just random coloured as categorical by their unique
>name.
>>     Can I somehow get the information of the line colour, so I can
>set the
>>     label colour data-driven by some expressions or so?
>>
>>     Cheers,
>>
>>     Bernd
>>    
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