[Qgis-developer] symbol.symbolLayer(n) triggers RTTI error in one place, but doesn't in another
tom.chadwin at nnpa.org.uk
Mon Nov 21 03:03:51 PST 2016
QGIS 2.18, qgis2web leafletRefactor branch
- open a point layer
- change marker type to SVG
- start qgis2web
- OpenLayers 3 preview works
- click Leaflet in plugin dialog
- RTTI error
The error is triggered by:
sl = symbol.symbolLayer(0)
However, these lines in the OpenLayers 3 export code does not trigger the
for i in xrange(symbol.symbolLayerCount()):
sl = symbol.symbolLayer(i)
I just don't understand how the same method - symbol.symbolLayer(n) - can
trigger the error in one place but not in the other (with everything
identical in QGIS).
Matthias has removed the problem by removing the dependence of the SIP
symbol bindings on RTTI (https://github.com/qgis/QGIS/commit/c3852c0).
However, I still wonder if I can work around the issue, given that the
OpenLayers call to symbol.symbolLayer(n) doesn't trigger the error.
If I can work around it, I could maintain qgis2web compatibility back to 2.8
as I currently do. Otherwise, I'll have to switch to 2.18, and I don't like
not supporting LTR (or I'll have to ask for c3852c0 to be backported to
Does anyone have any ideas?
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