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

[Hadrien Brissaud]

I also felt this need before, only this I could do was lasso selecting the
entire island. That could prove difficult if the island was especially
convoluted in shape (or if the UV layout was complex with many interweaving
islands).

On 18 March 2015 at 10:24, gandalf3 <zzyxpaw at gmail.com> wrote:

> I would've expected it to select all the vertices in the given island,
> plus any other shared vertices.
> The way I see it, the use case for this tool is selecting vertices on
> the mesh; If you want to select the island for UV manipulation, then it
> makes sense to disable it.
>
> But IMO this should be a user choice and not forced, as AFAIK it's
> impossible to quickly select all mesh vertices in a given island.
>
>
> On 03/18/15 02:16, 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.
>

A vertex can be split into as many islands as there are faces attached to
it I believe ? Well theoretically selecting an island would not include the
other UVvertex-per-face (not sure about the terminology).


> >
> > 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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>
> --
> -gandalf3
>
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