[Bf-committers] Why must sync selection be disabled to select UV islands?

[Hadrien Brissaud]

I have a lot of unwrapping on my schedule and this is going to be very,
very handy. Big thanks.

On 18 March 2015 at 12:41, Antony Riakiotakis <kalast at gmail.com> wrote:

> Committed,
> https://developer.blender.org/rBaff4aa173a78c7bbd7d08666f995d48ea18cdb50
>
> On 18 March 2015 at 11:29, Gaia <gaia.clary at machinimatrix.org> wrote:
> > I meant Border Select (shortkey "b"), Sorry for the confusion.
> > Maybe the other term slipped into my memory from usage
> > with another tool :-[
> >
> > Nevertheless i believe that selecting an island via Border select
> > (or Lasso select) and selecting the island by using "L" should
> > give identical results.
> >
> > And i agree that using any select tool in vertex selection mode
> > might be less useful than using it in face selection mode.
> >
> > cheers
> > gaia
> >
> > On 18.03.2015 11:00, Antony Riakiotakis wrote:
> >> "Rubber band tool"?
> >>
> >> On 18 March 2015 at 10:40, Gaia <gaia.clary at machinimatrix.org> wrote:
> >>> I made a simple experiment:
> >>>
> >>> - i select "keep UV selection in sync"
> >>> - then use the rubber band tool to select an UV island
> >>>
> >>> As a result i get the related vertices selected on the 3D View,
> >>> just as expected. AND i also get all UV vertices selected
> >>> which belong to other UV islands, which i also expect because
> >>> i have actually chosen to keep UV in Sync with 3dView...
> >>>
> >>> Now here is my problem with your argumentation:
> >>> If you say, the selection by UV Island is "wrong and unusable",
> >>> what makes it ok to have the rubber band selector available,
> >>> which actually "suffers" from the same issues?
> >>>
> >>> -gaia-
> >>>
> >>> On 18.03.2015 10:16, Antony Riakiotakis wrote:
> >>>> because selecting an island will also select its vertices, and those
> >>>> vertices can belong to other uv islands, and if you select those
> >>>> vertices you'll have to select uv vertices on other islands as well.
> >>>> Ergo, you either select more islands - which makes the tool useless,
> >>>> or you leave your selection state invalid.
> >>>>
> >>>> On 18 March 2015 at 08:02, gandalf3 <zzyxpaw at gmail.com> wrote:
> >>>>> I would be surprised if this hasn't been asked before, but finding
> old
> >>>>> stuff on the mailing list isn't easy..
> >>>>>
> >>>>> Anyway, trying to select UV islands with L while sync selection is
> >>>>> enabled gives the error "Cannot select linked when sync selection is
> >>>>> enabled".
> >>>>> Why must sync selection be disabled? I can't think of any obvious
> reason
> >>>>> why there would be a conflict of some sort.. As a matter of fact this
> >>>>> seems like it would be a really useful ability.
> >>>>>
> >>>>> Is there some technical limitation which prevents this?
> >>>>>
> >>>>> --
> >>>>> -gandalf3
> >>>>>
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