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Is there a way to label a layer using its file name or layer name (if I'd change it in Layers window TOC)? I tried some functions but I'm not good on that.

I have lots of shapes (lines) and it would be easy to identify them this way. Of course, this name could be a table attribute but I'm trying a alternative way (maybe more dynamic).

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  • Very good question but I do not think it is supported (yet). You could request this as a new feature here by registering and posting a new request form.
    – Joseph
    Commented Oct 20, 2014 at 11:18

2 Answers 2

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Since QGIS 2.12 you can use the following expression to print the layer name:

layer_property( @layer_id, 'name')

You can lookup further properties in the documentation of the layer_property function in the expression editor.

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Bonus answer: if you try layer_property( @layer_id, 'name') but your layername is a little bit long to work as a label, you can split that up over multiple lines:

Say your layer name is: 'Gibbs_ID1730544_A9056_TRRS_Harvest'

You can split it over multiple lines using wordwrap like this: wordwrap(layer_property( @layer_id, 'name'), 15, '_') which specifies you want to get the layername, split it on the _ character and keep each line to a max of 15 characters long.

The result: you get these four strings over four lines:

Gibbs ID1730544 A9056 TRRS_Harvest

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