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

Antony Riakiotakis kalast at gmail.com
Wed Mar 18 12:41:52 CET 2015


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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