? loosing quality when rendering many times ?

Here is my question: after you have rendered a clip, yet you may want to change some parameters so that the whole clip is to be redered again; sometimes, you do this many times untill you've got what you want, like color or exposure and so on. Does FCP render it again from the original unrendered media or from the already rendered clip in the timeline? I mean, if it's from the original media, you may render and render again without loosing quality. If not, you've got to know exactly what you want from the first time, otherwise you'll soon have a very bad result. Anybody knows about this?

Kevan,
Why would it do that?
For example: you have a clip running at 90% of normal speed. To play back that clip on the timeline you likely need to render it.
You make an edit where you increase the speed of the clip from 90% to 95%.
What possible value would re-using the existing render file be in this case? It is still going to have to calculate every frame and no time or CPU cycles would be saved (it actually would be more complex to calculate the real speed from the render than the original).
It makes no sense to me to have the system work that way.
x
One of these days I'm going to get back down to C'ville!

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Graphics loosing quality when rendering

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Hi there again.
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? loosing quality when rendering many times ?

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