[Qgis-developer] Fwd: qgis 2.12 problemi di snap

[Luca Lanteri]

Hi,

I noticed a strange behavior using snap feature with qis 2.12.

I try to describe it:
- Edit a layer with active snap on a second layer.
- move polygon vertex.
- sometimes new points are added to another polygon in the editing layer,
sometimes where I move the vertex (as you can see in [0], sometimes far
away from it, but in any case snapped with the second layer.

I haven't yet find the complete sequence to reproduce the error, so I
attach a video [0] to describe the problem.

Do you know if it's a known issue or can anyone confirm it ?
If confirmed it could be a very insidious issue, because it can damage the
layer.

I tested it on 2.12 and 2.13 (and with less accuracy on 2.8) 64bit on linux
mint 17.3.

Thanks
Luca

[0] https://drive.google.com/open?id=0B1XiZk5sA7aIVW9MSjhwb04xWjg
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