[Qgis-user] Multiple attribute labeling point layers

[Andreas Neumann]

 Hi,

 Dealing with NULL values is better done with COALESCE() then with CASE 
 WHEN THEN ELSE END, as the COALESCE is shorter syntax and made for 
 dealing with NULL values.

 But yes, you can concatenate any attributes.

 The tricky part is getting different colors for parts of the label. 
 This is not yet possible. You may open a feature request for that.

 Maybe we can introduce a markup language (HTML like syntax) for such 
 use-cases.

 Can you open a feature request for this?

 You can "sort of" simulate this by labeling the same layer twice, but 
 it may introduce additional complexity (overlap problems, etc.). So it 
 really would be better if we could have different colors within a single 
 label.

 Andreas

 On Wed, 2 Oct 2013 19:16:51 +0000, Lene Fischer wrote:
> It is also possible to use conditions. Right now a label is not shown
> if a single field is NULL.
> So I´m using this expression:
> Litra || 'n' || "Anvendelse" || 'n' || CASE WHEN "Anlaegaar" is NULL
> THEN '' ELSE "Anlaegaar" END
> (The '' after THEN is a double-ping)
>
> Regards
> Lene Fischer
>
> -------------------------
>
> FRA: qgis-user-bounces at lists.osgeo.org
> [qgis-user-bounces at lists.osgeo.org] på vegne af Carlos Cerdán
> [sig.upagu at gmail.com]
>  SENDT: 2. oktober 2013 19:24
>  TIL: Carlos López PSIG
>  CC: qgis-user
>  EMNE: Re: [Qgis-user] Multiple attribute labeling point layers
>
> Or.. you can do a expression based label:
>
>  "Field 1" || 'n' || "Field_2"
>
>  Result is label in two lines, with different fields. You can
> concatenate more text with ||
>
>  ... but color is same
>
> Good luck
>
> Carlos Cerdán
>
> 2013/10/2 Carlos López PSIG
>
>> Hi Massimo,
>> Yes you can.
>> Only you need is you duplicate the layer and assign labels different
>> in each other.
>>
>> Is it ok?
>>
>> All the best,
>>
>> Carlos López Quintanilla
>> Consultor SIG
>> M. +34 699.680.261
>> carlos.lopez at psig.es [4]
>>
>> 2013/10/2 Ometto Massimo
>>
>>> Hi
>>>
>>> In QGIS 2.0.1 I need to label a point layer to display attributes
>>> stored in 2 different attribute fields.
>>> I need to show them in different colors, and in a specific
>>> position, such as one in the up right and one in the down right of
>>> the point.
>>>
>>> How is it possible to do this?
>>>
>>> Thanks
>>>
>>> MASSIMO
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