[Sidefx-houdini-list] shutter time less than .5, no mblur
larry at gcreativestudios.com
Thu Mar 6 16:49:53 EST 2008
Yes Andras. Thank you, that was the culprit,
I was sourcing a ton of motion channels using "chf", but was using $F
instead of $FF.
Once I changed those to $FF motion blur kicks in for shutter time
values less than .5
Thanks again. You saved the night!!
On Mar 6, 2008, at 3:55 PM, Andras Ikladi wrote:
> Hi Larry,
> Are you rendering DRA sequences or have File SOPs (or any other kind
> of discreetly sampled animation data) in your renders? As it happened
> to me before, I suspect you're not getting motionblur because your
> data is only available on the integer frames or not interpolating
> correctly ($F vs. $FF..etc).
> Hope this gives a clue,
> On Wed, Mar 5, 2008 at 8:00 PM, Larry Giunta
> <larry at gcreativestudios.com> wrote:
>> I'm hitting a bit of a wall trying to tweak down the amount of motion
>> blur that is rendered on each frame
>> Rendering with mantra, if I drop the shutter time on my camera to a
>> value of less that .5, I get no motion blur at all.
>> Should that happen??? I get the same in 9.0 and 9.1.
>> From .5 to 1 and above I get motion blur just fine.
>> I have X form time samples and geo time samples each set to 2 on the
>> output driver.
>> I'm wondering if another setting has to be change so values of less
>> than .5 will
>> still render some motion blur.
>> Thanks as always for any thoughts.
>> Larry Giunta
>> Creative Director
>> G Creative Studios
>> larry at gcreativestudios.com
>> Sidefx-houdini-list mailing list
>> Sidefx-houdini-list at sidefx.com
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