[Qgis-developer] behavior of splitting feature

Andreas Neumann a.neumann at carto.net
Mon Apr 22 08:08:09 PDT 2013

Hi Denis,

I agree - this is another improvement that should be implemented.

I would opt for option 3, with the drop-down buttons, or maybe also just
a modifier key. Option 1 and 2 is sub-optimal.

I would also welcome your other suggestion about the drop-down for

Not sure how well such drop-down buttons would work on mobile devices
though. But mobile devices would need an improved UI anyway.

I'd also like to see a way to modify multi-point features.


Am 22.04.2013 16:07, schrieb Denis Rouzaud:
> Hi,
> I am dealing with multi polygons these days, and I find very annoying to
> not being able to split a part into several part.
> First, am I right saying it's not feasible?
> If yes, I would like to propose to add a choice to the splitting tool:
> - split into several features
> - split into several parts (only availbale for multi-polygon/lines layers)
> Would you agree on this?
> Then, how to propose this to the user?
> 1. Choice dialog after drawing the split lines (propose only if layer
> has multi geometry)
> I think everybody agrees it's a bad option
> 2. Have two icons and two separate tools
> Nice to use, but not to right direction in terms of number of icons in QGIS
> 3. Have a drop down icon as for the selection tool.
> My suggestion.
> If drop-down is the chosen option, I would also suggest to group add
> part with add ring, and also delete part with delete ring. It would
> therefore more coherent.
> Greetings,
> Denis
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