Toggle Quad View doesn't really toggle, it forgets user state. #39039
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Reference: blender/blender#39039
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System Information
All OS and GC
Blender Version
Broken: 2.70rc
Short description of error
THis report follows this discussion on stackoverflow : . While toggling Quad view, unlike Numpad0 for camera view, it switch like that : User point of view, quadview with camera view, random orthoview, quadview with camera view, random orthoview, etc... destroying user point of view. We tried many workarounds, even writing some python code, without success.
Exact steps for others to reproduce the error
Default scene, hit N, click on toggle quad view twice.
Changed status to: 'Open'
Added subscriber: @mattali
Discussion was split actually, more can be found here
Added subscriber: @kevindietrich
Can't reproduce this here on Linux with
ef51b69
. I don't get some random other view each time, it only swithes back and forth between Quad view and Front Ortho view.Added subscribers: @brecht, @ideasman42, @mont29
This is not a bug indeed, yet current behavior is a bit confusing (even in programming/API POV). Currently:
Not sure what to do… In P22, I propose following instead:
This at least keeps things logical, also from API POV, since region_3d (the mono-view region) is also the one giving access to "Camera" view in quad mode.
Brecht, Campbell, thoughts?
@mont29 Thanks for the proposed fix. Looks good, maybe for consistency it would be good to make it work like the Numpad0 camera view toggle as it's about the same except you get 3 orthoviews with it. But at least with that fix, we could implement the behavior in a python operator that would save camera and viewport POV to allow usual toggling.
@mont29, regarding your proposal.
Some issues -
When you switch to quad view, and you are in an axis-view (Right View) for example, should it keep using this view? (this may be confusing to have 2x Right views when entering quad-view).
When you switch out of quad view, using the top-right view makes sense, but only (IMHO) when your accessing it from a button. when using the key binding using the current view may be seen as a feature / useful.
@mont29, rather not rush a fix for this in for 2.70 release. ok to move this to a design task?
@ideasman42 Sure, this is not for 2.70 anyway (not a regression nor critical bug).
I’d say yes, better to stay consistent here imho… And keeping current view, except if it matches ones of the three other ortho ones, might be confusing as well for user. No strong opinion though, both cases have pros and cons.
100% agree! In the quick patch I provided, I just could not find an easy way to distinguish between button/shortcut call…
@mont29 THanks a lot for your patch. Could it be integrated in trunk ?
Changed status from 'Open' to: 'Resolved'
This has been fixed by Campbell now (forth view just always remains the same as in non-quad-view mode).