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28 Jul 2024 18:18:35 EDT (-0400)
  utterly clueless on CMPEG (Message 1 to 6 of 6)  
From: Greg M  Johnson
Subject: utterly clueless on CMPEG
Date: 6 Jul 1999 21:35:41
Message: <3782aeed@news.povray.org>
I have always had much shorter IRTC animations than the rest because I
just cannot fit so many frames into the space limit.

Here is an experiment I just did which yet again convinces me that I
don't understand CMPEG.
A 350 frame animation of 320 x 240 TGA's with birds flapping wings and a
150 frame animation of 160 x 120 TGA's from Gilles Tran's tree macro
were made.


                  350 bird frames        tree frames.
I.CTL            3.8 MB               0.71 MB
IPB.CTL        4.6 MB              0.58 MB
PVRG.CTL   4.4 MB               0.60 MB

In one case, the I.CTL gives the smallest animation; in another, it
gives the largest. >:-p

Bottom line: how do I get Main Actor??


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From: Ken
Subject: Re: utterly clueless on CMPEG
Date: 6 Jul 1999 22:20:38
Message: <3782B84B.64F6170C@pacbell.net>
"Greg M. Johnson" wrote:

> Bottom line: how do I get Main Actor??

http://www.mainconcept.de/

-- 
Ken Tyler

mailto://tylereng@pacbell.net


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From: Bob Hughes
Subject: Re: utterly clueless on CMPEG
Date: 6 Jul 1999 23:40:28
Message: <3782CC1B.BD7888DC@aol.com>
Off hand I'd say it's the "predicted" frames, no doubt.
The i.ctl uses only a "quant" number, which you could call the quality
value I suppose. This can range from 1 to 31; the smaller the better,
and i.ctl uses 8. So that particular control file is simply making a
series of compressed images and incorporating them into the animation,
as I understand it anyhow.
The other two control files use predicted compression based upon the
surrounding frames so chances are they could go higher or lower
dependant on each others similarity or dissimilarity.
If you can grasp the idea okay about these control files you might be
able to create your own best method. I've tried it but didn't succeed in
getting much better, and with the added downside of a larger Mpeg.
Check out section 4 of the Cmpeg.doc.


"Greg M. Johnson" wrote:
> 
> I have always had much shorter IRTC animations than the rest because I
> just cannot fit so many frames into the space limit.
> 
> Here is an experiment I just did which yet again convinces me that I
> don't understand CMPEG.
> A 350 frame animation of 320 x 240 TGA's with birds flapping wings and a
> 150 frame animation of 160 x 120 TGA's from Gilles Tran's tree macro
> were made.
> 
>                   350 bird frames        tree frames.
> I.CTL            3.8 MB               0.71 MB
> IPB.CTL        4.6 MB              0.58 MB
> PVRG.CTL   4.4 MB               0.60 MB
> 
> In one case, the I.CTL gives the smallest animation; in another, it
> gives the largest. >:-p
> 
> Bottom line: how do I get Main Actor??

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/homepage.htm
 mailto://inversez@aol.com?Subject=PoV-News


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From: Greg M  Johnson
Subject: Re: utterly clueless on CMPEG
Date: 7 Jul 1999 09:00:53
Message: <37834EE9.23829628@geocities.com>
Ordered.  Are  they going to send me a CD-ROM or do I have to d/l 14
MB???

Thanks also to Bob for the advice.

Ken wrote:

> "Greg M. Johnson" wrote:
>
> > Bottom line: how do I get Main Actor??
>
> http://www.mainconcept.de/
>
> --
> Ken Tyler
>
> mailto://tylereng@pacbell.net


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From: Ken
Subject: Re: utterly clueless on CMPEG
Date: 7 Jul 1999 09:12:24
Message: <378350B0.85F72E4B@pacbell.net>
"Greg M. Johnson" wrote:
> 
> Ordered.  Are  they going to send me a CD-ROM or do I have to d/l 14
> MB???

  I have no Idea. I have only evaluated their demo so can't say how they
handle distribution. From the number of crakz I have seen for that software
I would suspect that you need to download it and they will send you the
registration key to legalize it.

-- 
Ken Tyler

mailto://tylereng@pacbell.net


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From: Bob Hughes
Subject: Re: utterly clueless on CMPEG
Date: 7 Jul 1999 23:31:32
Message: <37841B79.8EF7639C@aol.com>
You are welcome to any I have ;) It's always good to fool with the
things that programs like Cmpeg have to offer anyway, even if you don't
ever figure it out exactly.


"Greg M. Johnson" wrote:
> 
> Thanks also to Bob for the advice.
>


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