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

[Antony Riakiotakis]

It might be possible to do in face select mode then, but not in vertex
select mode for sure

On 18 March 2015 at 11:11, Paweł Łyczkowski <pawellyczkowski at gmail.com> wrote:
> gandalf3 wrote:
>>
>> Is there some trick to this that I'm missing?
>
>
> You have to be in face select mode.
>
> gandalf3 wrote:
>>
>> Plus it doesn't work if you don't have seams (though admittedly most of
>> the time this is probably not the case).
>>
>> That reminds me, limit by seams doesn't seem to work for me. I mark all
>> edges surrounding a bit of geometry as seams, then I select a vertex the
>> middle, press Ctrl L and enable limit by seams in the redo panel.
>> However the entire part remains selected.. Tested with 2.73a
>>
>> Is there some trick to this that I'm missing?
>>
>> On 03/18/15 02:52, Paweł Łyczkowski wrote:
>>>
>>> I also always missed this. When selecting in vertex select mode, I would
>>> expect for vertices in other islands to be selected as well. I would use
>>> it in face select mode though.
>>>
>>> I usually went around this by identifying where on the model is the
>>> island I wanted selected, and then used select linked with limit with
>>> seams turned on in the 3d View - but that's a roundabout way of doing
>>> this.
>>>
>>> Gaia 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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