POV-Ray : Newsgroups : povray.binaries.animations : A*C + (1-A)*B : Re: A*C + (1-A)*B Server Time
28 Sep 2024 18:28:42 EDT (-0400)
  Re: A*C + (1-A)*B  
From: Nimish Ajmani
Date: 15 Aug 2007 07:40:00
Message: <web.46c2e5f8f080f6398d92e1a00@news.povray.org>
John VanSickle <evi### [at] hotmailcom> wrote:
> St. wrote:
> > "John VanSickle" <evi### [at] hotmailcom> wrote in message
>
> >> Shot B was rendered at 320x240, shot C was rendered at 40x30,
> >
> >    40x30 ?? Why that size? Speed?
>
> No, to produce the blockyness.  I used mega anti-aliasing and rendered
> the exact same scene at lower resolution; when scaled back up to 320x240
> in the masking render, it produced a shot in which each 8x8 block of
> pixels was a solid square colored to match the average of the same block
> of pixels from Shot B.
>
> >>The only thing to remember is that the objects which are present in both
> >>the B and C shots MUST be positioned identically, relative to the camera,
> >>and if the masking is based on the objects in the scene, then the mask
> >>object must properly fit the objects in the scene, usually by having the
> >>mask objects positioned, relative to the camera, in the same way.
> >
> >    Phew! I was going to mention in my first reply that 'masks' were possibly
> > used, but thought against it because it looked 'too neat'. Good job with
> > what you've done there John.
>
> It's actually quite easy to make sure that everything is positioned
> right, relative to the camera; simply cut and paste the scene code for
> the positioning of the camera and the objects.
>
> It was slightly trickier with the scene above, because for shots A and B
> the models and the camera are positioned exactly, but for shot C the
> scene required that the robots be turned 90 degrees clockwise and
> translated by <-5000,-10,15500>; but the transform only had to be
> applied in four places in the .INC file, so it wasn't that hard.
>
> >>Once you get that going right, the technique is really quite easy.
> >
> >     I counted 36 animations on your website. I think I'll leave the
> > animations to you... Let's see double that number.   ;)
>
> I'm working on it.  My next one is already up to 1440 frames (a full
> minute), and it will probably be closer to two minutes when I'm done.
>
> Regards,
> John

I'm wondering why you haven't placed your animation for the 'Dance' round on
your website.

Also, I like that animation of yours.  I always use texture_maps to do most
of my fading, with usually bozo or waves for the best effect.

  --Nimish


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