Re: Motion - weird handling of large images
Re: Motion - weird handling of large images
- Subject: Re: Motion - weird handling of large images
- From: Tony Huet <email@hidden>
- Date: Thu, 7 Feb 2008 17:45:10 -0600
On Feb 7, 2008, at 5:10 PM, Peter Litwinowicz wrote:
So a project I author on one machine can give drastically different
results
on another machine. This problem can be especially disconcerting when
working in mixed machine environments where people are working on
the same
projects..
List,
I have no expertise here, other than to say that Motion is not alone
in this regard. After Effects does the same thing if you have OpenGL
previews turned on. The preview results vary depending on the card's
capabilities. Final rendering is generally always software based so
the rendered results are the same from machine to machine. However,
you can render the final project using the graphics card if for some
reason you prefer the OpenGL results.
3D is a tough area. Just look at all the high-end 3D gaming boxes -
the same game can look dramatically different based on the graphics
card in the host machine. While I don't like it, I do understand that
any app that uses the GPU will also behave similarly. The thing that I
really love about Motion over AE is the ability to change things while
the animation is playing. From my understanding, this is possible
because the GPU is doing all the work. Since the GPU can vary from
machine to machine, the project results may vary as well.
As Pete mentioned, what would be ideal would be a software based
engine that could be invoked for the 'final' render that would produce
consistent results, regardless of GPU. Rendering times would increase,
but with the benefit of consistency. However, since I almost always
now render my Motion projects in FCP right on the tiimeline, such a
feature would probably need to be incorporated into the QT Motion
engine to make it universally useful. That way if I create a Motion
template for use directly in FCP, I can do so confident that no matter
what Mac is used to render the template, the results will be the same.
Ideally RT playback could be handled by the card, while renders would
be software based.
Just my thoughts,
Tony Huet
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