[Bf-committers] [Bf-blender-cvs] SVN commit: /data/svn/bf-blender [51384] trunk/blender/intern/cycles: Cycles: motion blur is now curved and passes exactly through the midpoint.

[David]

On Oct 17, 2012, at 11:16 PM, David wrote:
> On Oct 17, 2012, at 5:54 PM, Carsten Wartmann wrote:
>> Am 17.10.2012 14:55, schrieb Brecht Van Lommel:
>>> Revision: 51384
>>>          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=51384
>>> Author:   blendix
>>> Date:     2012-10-17 12:55:23 +0000 (Wed, 17 Oct 2012)
>>> Log Message:
>>> -----------
>>> Cycles: motion blur is now curved and passes exactly through the midpoint.
>> 
>> Great! (beside that it does not render atm on my GPU).
>> 
>> Why is the maximum shutter 10.0? I would like to do images like:
>> 
>> http://www.zoonar.de/photo/autos-bei-nacht-langzeitbelichtung_1138193.html
> 
> An easy workaround would be to just render the animation with shutter=1.0
> and blend the frames together afterwards. If the motion blur is correct (which
> I assume it is) this should lead to a perfectly smooth blur across the frame
> range.
> 
> till then, David.

After testing this, I think there is a bug at the moment, a shutter of 0.5 works.
(But this should be 1.0 if shutter is given in frames).

> 
>> 
>> BTW: something strange(?) happens when I try to do a scene like this. 
>> The blurred trace of the object is shorter than the illumination it causes?
>> 
>> File: http://www.pasteall.org/blend/16960
>> 
>> Carsten
>> -- 
>> Carsten Wartmann: Autor - Dozent - 3D - Grafik
>> Homepage:         http://blenderbuch.de/
>> Das Blender-Buch: http://blenderbuch.de/redirect.html
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