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I'm going through the Alaska sample data tutorial for QGIS 2.2.0. Some of the lake labels appear and disappear at different scales when zooming. At 1:314,460 Becharof is visible, but Lower Ugashik doesn't appear until 1:157,230. It seems like others have had similar problems.

I have played with the rendering and placement dialogs to no avail. Even if I don't have the "magic combination" of parameters set, shouldn't they all behave the same?

For my needs, this may well render (no pun intended) the program useless. I need it to print labels when I need them!

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Would you be able to edit your Question to include links to support your assertion that "It seems like others have had similar problems", please? – PolyGeo Jun 8 '14 at 2:35
@polygeo, I googled this problem (qgis+disappearing+labels+zoom) or somesuch and found a number of similar problems (I think on here also). I did not document the sources. Dakcarto answered the question about the labeling bug being addressed in upcoming version 2.4. – CallMeChaz Jun 14 '14 at 15:19
OK - when you get a chance I think you should Accept his Answer by clicking the green tick next to it. – PolyGeo Jun 15 '14 at 9:18

Try turning OFF geometry simplification for the layer in the Layer Properties dialog:

enter image description here

This (actually an issue with resultant invalid geometries being unlabelled) has been fixed, and will be included in upcoming 2.4 release (within a month).

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Related issues on the QGIS tracker:, – dakcarto Jun 8 '14 at 2:41
thanks for the response. I unchecked "simplify geom" to no avail. I believe the other parameters are properly selected to always display the lake labels. I have no options checked under LABELS > RENDERING other than "show all labels...". I don't think there is anything that would override this selection that would kill label output? Some lakes keep their labels when zooming, but Lower Ugashik comes and goes. I will anxiously await the new version. – CallMeChaz Jun 14 '14 at 15:29
do I understand correctly that the lake may not be labeled due to geometry errors? I ran what I believe is the proper process to correct any errors on the layer, but none showed up. I wonder if other are seeing the same error with the Alsaka sample data? Is it perhaps something else? – CallMeChaz Jun 14 '14 at 16:07
Well, a polygon will be clipped to the visible map extent prior to being labelled (unless using 'whole' polygon for centroid labeling). If the polygon has a complex perimeter, e.g. shoreline, then the extent clipping may create an invalid, but render-able polygon, i.e. not labeled, though. In upcoming 2.4, there are routines to try and fix such polygons on-the-fly, allowing for more labels to be shown. – dakcarto Jun 16 '14 at 18:30

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