ok I found the solution, it was because I use an expression for labeling and I had forgotten to set QgsPalLayerSettings().isExpression to True.
Thanks again for your time. 2018-02-04 14:15 GMT+01:00 Martin Dobias <wonder...@gmail.com>: > On Sun, Feb 4, 2018 at 1:36 PM, Dominique Lyszczarz <doml...@gmail.com> > wrote: > > > > I have another question : after settings some labeling rules with pyqgis, > > the labels are not displaying but if I just enter the rule settings > through > > the gui and directly exit it without changing anything then the labels > are > > displayed correctly. Is there any register action needed for each rule > that > > I forgot in my code ? > > It is hard to say without seeing a code snippet that I could run > myself. Does it help if you force map refresh (e.g. by moving the map > a bit or zooming in/out)? It is also worth playing with "simple" > labeling in pyqgis first as that might help you understand whether it > is just a problem of rule-based labeling or it applies to simple > labeling as well. > > Cheers > Martin >
_______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer