[Bf-cycles] Cycles: small bug (eaisly fixed) can cause big headache

Brecht Van Lommel brechtvanlommel at pandora.be
Sun Oct 16 19:20:07 CEST 2011


A fix for this bug was committed now, thanks for reporting.


On Sun, Oct 16, 2011 at 1:05 PM, David <db4tech at yahoo.co.uk> wrote:
> Cycles bug ('real time display' and 'during rendering') buttons, in Object
> modifiers and Outliner:
> Hello Blender Cycles development team,
> While learning Blender and Cycles for part of my BA (Hons) I have discovered
> a small bug in Cycles builds, I have been using DingTo's builds and have
> also checked the bug in another build by Spongbob. Hopefully it should be
> easy to fix the bug but until fixed can cause a big headache for some
> computers.
> The Bug...
> In the 'Outliner' the 'real time display' (eye icon) and 'during rendering'
> (camera icon) toggle buttons are correctly assigned to both Viewport render
> and F12 final render, the bug is in the 'Object Modifiers' section, where
> 'the real time display' (eye icon) toggle button and settings are being
> assigned to both Viewport render and F12 final render, the 'during
> rendering' (camera icon) toggle button and settings are being ignored in the
> F12 final render.
> The reason it can cause a headache for some...
> If several large meshes have a high setting Subdivision Surface modifier
> applied, it can speed up Viewport navigation/editing on older computers by
> having the Subsurf set to a low setting (say 1-2) for the 'View' and a
> higher setting (3-4 or above) for the 'Render'.  At the moment the 'Render'
> setting is being ignored.
> Easy to Reproduce the Bug...
> Open a recent Cycles build, using the default Cycles test scene, go to the
> 'Object Modifiers' section, set the Subsurf 'View' setting to = 0 (zero),
> then press F12 for a final render.  Even though the 'Render' setting still =
> 2, the Subsurf is not applied in an F12 final render, only the 'View setting
> works for both Viewport and F12.
> I hope this clearly explains the problem, please feel free to ask any
> questions.
> Looking forward to your reply.
> Thank you for the fantastic Blender program and Cycles development, also to
> Thomas (DingTo) for your great Cycles builds!
> Kind regards,
> David Black
> Update:
> Checked the most recent build (41044) and the problem is still present.
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