[Qgis-user] can't apply mask on labels

Wed Mar 6 23:36:16 PST 2024

Hello all,

I always use the funktion „Tampon“ (German „Puffer“) instead of „Masque“ (German „Maske“)  because I still do not understand how to configurate a mask.
Also I wonder what the difference in symbology and use is. Maybe someon can explain that to me and the group?

With the Tampon/Buffer/Puffer I do not need to duplicate the Layer.

Puffer

[cid:image002.jpg at 01DA706A.84793070]

Maske

Duplication of the layer and mask for the duplicate with label does not work in my test. I tried different choices in the options.

[cid:image001.png at 01DA7068.AB3DBA70]

[cid:image004.jpg at 01DA706A.84793070]

[cid:image006.jpg at 01DA706A.84793070]

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Von: QGIS-User <qgis-user-bounces at lists.osgeo.org> Im Auftrag von Andreas Neumann via QGIS-User
Gesendet: Mittwoch, 6. März 2024 21:29
An: Émilie Berthiaume <eberthiaume at csfoy.ca>
Cc: qgis-user at lists.osgeo.org
Betreff: Re: [Qgis-user] can't apply mask on labels

Hi Emilie,

I believe that currently a limitation that a layer cannot mask itself.

For this to work, you'd have to duplicate the layer - once for the lines and once for the labels - then the mask should work. On the label layer you can disable the drawing of the lines and of course on the line layer you only apply the mask from the other layer, but don't enable any labels.

Not sure if - or how soon this limitation can be fixed.

Hope this helps,
Andreas

On Wed, 6 Mar 2024 at 21:00, Émilie Berthiaume via QGIS-User <qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>> wrote:
Hi,

I’m trying to apply a mask on the labels of my contour lines layer in a topographic map project.  I have activated the mask in the labels tab :

[cid:image016.jpg at 01DA706A.84793070]

And then I activated the symbol I wanted to hide in the mask tab :

[cid:image017.jpg at 01DA706A.84793070]

But it doesn’t seem to work.  There is still a line underneath my labels :

[cid:image018.jpg at 01DA706A.84793070]

Can anyone tell me what I am doing wrong?  Thank you,

Émilie Berthiaume
Enseignante
Département de biologie et Techniques de bioécologie
[cid:image015.jpg at 01DA7068.AB3DBA70]

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