[Qgis-user] Atlas by year

[Marco Antônio Ferreira Pedrosa]

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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