[Qgis-user] Composer : several maps at various scale on a single layout

[WOLFF Eléonore]

Thank you very much for the second advise.  Without using the styles, yesterday adding themes  allowed me to compose a single layout with several maps.
Here is a snapshot
[Image]
All the best,
Eléonore


De : QGIS-User <qgis-user-bounces at lists.osgeo.org> de la part de Alexandre Neto via QGIS-User <qgis-user at lists.osgeo.org>
Date : mardi, 7 octobre 2025 à 09:41
À : Stefan Giese (WhereGroup) <stefan.giese at wheregroup.com>
Cc : QGIS User <qgis-user at lists.osgeo.org>
Objet : Re: [Qgis-user] Composer : several maps at various scale on a single layout
This is the trick. Don't lock maps and styles on the composer itself, create different themes and ask each map to follow a different theme.

Moreover, if the same layer is supposed to have more than on style, notice that you can add several styles to the layer. Right-click > Style > add style.

A theme stores what layers are visible and which style are they using.

Best regards,

Alex

A segunda, 6/10/2025, 12:10, Stefan Giese (WhereGroup) via QGIS-User <qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>> escreveu:

Hi,

the key feature to achieve what you want are map themes (the eye in the layer tree widget), where you can define combinations of visible layers. So you can define for each composer map the visible layers and use them in the layout via "Follow map theme".

see https://docs.qgis.org/3.40/en/docs/user_manual/introduction/general_tools.html#map-themes for more information

Best regards

Stefan
Am 06.10.2025 um 12:53 schrieb WOLFF Eléonore via QGIS-User:
Hi,
I am using QGIS 3.28 Firenze because my old computer cannot support a more recent version.
I would like to print one single layout composed of 19 maps at various scale.  I have 2 layers in the view which are filtered to display for each map the relevant elements.
When I add a new map in the composer after having blocked the first map, the content of the first map is changing according to what’s in the view :-/ which is exactly what I wanted to avoid.
Could you please tell me how to proceed ?
Thank you very much
Eléonore




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