Velocity render element and AE motion blur

[MikeHampton]

Is there any way to use the velocity render element and AE to do post motion blur without using the RS motion blur plug-in? Or any other way to do post motion blur with After Effects without any other plugin?

Thanks.

[Sascha Selent]

For CS3

No. ----------

...Aaaah, wait...

Yes it´s possible, but how to explain... I´ve got a german AE-version...

Try the effect "Zeitverkrümmung" - i would guess it´s "Timewarp" in english.

Set Speed to 100 %, leave the method at "pixelmotion" and activate motion-blur. Change the shutter to "manual" and then you have to choose veeeery high settings for the shutter... (I hope the terms are somewhat like that, as I said, I´ve got a german AE-version...).

Rendertimes are crazy.

But for a real RPF-motion-blur there is a plugin called "RPF-Motion_Blur" (http://www.rpfmb.com/). This is wonderful and not too expensive.

EDIT: Hey, I didn´t know this trick before I found it because of this question - this is veeery nice! Thank for for that question!

[muzzy]

check this


http://www.chaosgroup.com/forums/vbu...ity#post347719

[MikeHampton]

Sasha,

Thanks.. I will give it a try and see how it works.

Muzzy,

I found that thread.. but they are talking about Real Smart Motion Blur plug-in, and I am looking for a way to do it without any type of plugin. The economny is in such a crapper right now... getting even a couple hundred dollar plug-in approved is like pulling teeth.

[Sascha Selent]

Sasha,
Thanks.. I will give it a try and see how it works.

Thank you for the question! I learned something new!

It works very fine for many situations, but there are situations, when it confuses - anyway for most it´s fine!

[Shimakaze]

I hadn't heard about RPF-Motionblur before now so I decided to test it.

Price point:
RPF Motion Blur: $99
Reelsmart Motion Blur: $149.95

Here are the results:
VRay calculated motion blur
Reelsmart Motion Blur
RPF-Motion Blur

Reelsmart is markedly closer, but both plugins are timed differently then VRay's default... Neither plugin has any settings to control this.
In my view Reelsmart is more then worth the extra $50.

[vlado]

V-Ray by default places the center of the motion blur interval to be the center of a frame; with image-based method, you will get the interval at the start of a frame instead. To get the same result with V-Ray, you need to set the "Interval center" parameter to 0.0 instead of the default 0.5.

Best regards,
Vlado

[MikeHampton]

Sascha,

Looks like your process works pretty good. I think the shutter samples may need to be upped some from the default of 5, depending upon how much blur one needs.

But the render times ARE crazy. A 30 second animation took about 22 minutes to output to a .wmv file without timewarp on it.. and it looks like it's going to take about 2 1/2 hours with it! :O

[Sascha Selent]

Sascha,
But the render times ARE crazy.

But still much faster than REAL motion blur with VRay.

I let the renderslave do the AE-job, so this additional rendertime is no problem for me...

Anyway, in most cases it does a good job, for extreme motion blur the VRay-MB is still the tool of choice.

[Sascha Selent]

I hadn't heard about RPF-Motionblur before now so I decided to test it.

Price point:
RPF Motion Blur: $99
Reelsmart Motion Blur: $149.95

Here are the results:
VRay calculated motion blur
Reelsmart Motion Blur
RPF-Motion Blur

Reelsmart is markedly closer, but both plugins are timed differently then VRay's default... Neither plugin has any settings to control this.
In my view Reelsmart is more then worth the extra $50.

Whoho, thats a difference. I´ll have a look at the RSMB...

[MikeHampton]

But still much faster than REAL motion blur with VRay.

True... But the whole point of post motion blur is that it be fast and adjustable. I have a seperate dedicated video editing station.. so it's not like it's tying up my machine, but if it takes all day to output a 3-5 minute animation, then you have to make a 5 minute change to the animation, but then it takes another 8 hours of output time, that puts a cramp in my style.

But it certainly works for now.. until I can squeeze in that $150 somewhere to get RSMB.

So.. Thanks!