[Qgis-user] Atlas by year

[Alexandre Neto]

Great!

On Tue, Mar 26, 2019 at 12:43 PM Marco Antônio Ferreira Pedrosa <
marcomottim at gmail.com> wrote:

> Hi Alexandre,
>
> It worked perfectly! As you said:
>
> 1) I made a unique list from the years and generate a new feature. Then
> used it as the coverage layer for atlas.
> 2) For each symboloy (rule-based):
>  (@atlas_pagename  =  "Year") AND ("Quality" = 'Excelent')
>  (@atlas_pagename  =   "Year"  ) AND ("Quality" = 'Good')
> so on...
>
> As you see I changed it a little bit, so I can use the "current" year from
> Atlas.
>
> Tnks a lot!
>
> P.S: PORTUGAL CARALHO!!!! (sou Brasileiro haha)
>
> --
>
> Marcão
>
> Em seg, 25 de mar de 2019 às 20:58, Alexandre Neto <senhor.neto at gmail.com>
> escreveu:
>
>> You need to create a layer, with a column called year, with each year in
>> a row. The layer does not need to have a geometry. Use that layer as the
>> coverage layer for atlas.
>>
>> For the layer you want to filter by year, create a rule-based symbology,
>> and use the following rule/expression:
>>
>> attribute(@atlasfeature, 'yea
>> r') = "year"
>>
>> This compares the current atlas feature field year, to the layer year
>> column, and renders the features only if the years match.
>>
>> Hope it helps.
>>
>> Alexandre Neto
>>
>> A seg, 25/03/2019, 13:50, Marco Antônio Ferreira Pedrosa <
>> marcomottim at gmail.com> escreveu:
>>
>>> Hi all,
>>>
>>> Sorry if s a silly question!
>>>
>>> How to generate an atlas by a value in the attibute table? (i.e: Year).
>>> QGIS Atlas would generate one map for each attribute value but not group by
>>> year.
>>>
>>> For each year, I want to show the features with a categorized symbology
>>> (same for all years, but I want to show just the features from that year).
>>>
>>> tnks in advance!
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>>
>> --
>> Alexandre Neto
>> ---------------------
>> @AlexNetoGeo
>> http://sigsemgrilhetas.wordpress.com
>> http://gisunchained.wordpress.com
>>
>
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