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See below.
Russ Grycza wrote:
Could get messy - the DS would need to know which spans you wanted to keep
the same and which could change, and then if there were several areas in an
effect that could change how the keyframes would be distributed or taken
away - the variations are endless.
Do any other editing/compositing systems offer this, and if so, how do they
handle things?
Yes, in fact one of the oldest. The CMX. You could set up effect
where you did thing "Relative to In" or "Relative to Out.
So a simple effect of adding a lower third id was as simple as Mark in,
Mark out, recall effects settings from event X and the fade ups and outs
were always the same regardless of the length of the edit.
The key, was the relative statment. That would seem to be a doable
thing in a NLE. Could it be handled with expressions? I do not know.
Jef
What I'd really like is to be able to make a preset of an effect, say a
dissolve out, with a fixed duration, say 15 frames. Then when I apply the
effect to a clip, I don't have to readjust the duration each time. And with
what you now know, this would solve your problem, too, Larry.
Russ
----- Original Message -----
From: "Larry Schmitt" <LSchmitt(at)duart.com>
To: <DS(at)Softimage.COM>
Sent: Friday, September 30, 2005 3:14 PM
Subject: Re: can't get crop curves to work
Thanks guys for the fast response. I guess I will do it as 2 effects one
for
in and one for out. It would be great if it scaled but kept the span
between
selected keyframes the same. Oh well V8 maybe???
Thanks again
Larry
----- Original Message -----
From: "Bob Maple" <bobm-ds(at)burner.com>
To: <DS(at)Softimage.COM>
Sent: Friday, September 30, 2005 1:55 PM
Subject: Re: can't get crop curves to work
Help.
I have a bunch of tiff files as titles and I built a tree with alpha
fade in and out. The clip I built this on was 5 seconds long.
Now I want to copy that effect to all my other tiffs of varying
length keeping my 12 frame in and out effects. This is what
I tried... Saved effect with cropped curves checked, then
pasted on 10 second clip. Up is fine but it fades out at 5
second point.
So it sounds like you have a single effect, with two sets of keyframes..
one
set at the beginning doing the fade in, and one set at the tail doing
the
fade out. Right?
In this case as a single effect, you can't make it automatically scale
the
keyframes to the new clip's duration, without it actually scaling the
duration of your existing keyframes (IE if pasted on a longer clip, the
fades themselves would also get longer). You sort of want your group of
keyframes at the beginning to stick to the beginning, and your group of
keyframes at the end to stick at the end. Unfortunately, with a single
effect, this is not possible.
Depending on how your tree is built, you might instead break it into 2
separate effects and use a single-sided transition on each side of the
clip
(one for the fadeup and one for the fadeout)... Then you can easily
apply
them to clips of varying lengths. The only time something like this
won't
work is if your fade up/fade down is not to/from 100%. In which case,
you'll have to manually slide the keyframes down to match the proper
durations (you can do this in the Animation Editor by group selecting
the
end keyframes, and then shifting them at once by typing "30+" into the
Frame
box at the top of the editor, to shift down 30 frames, etc.)
I'd actually put on my 'wish list' a way to GROUP keyframes, so that you
could do things exactly like this. For instance, imagine being able to
group clumps of keyframes within an effect; And when you stretch the
effect, the relationship BETWEEN the groups of keyframes would change,
but
the relationship INSIDE the groups of keyframes would not. Right now
when
you scale an effect (with crop curves turned off) it scales the
relationship
between all the keyframes evenly, slowing down or speeding up the entire
effect). Would be real handy, but I don't know if it's anything we'll
ever
see (although I have not seen such a feature in any other software..
someone
should jump on this! :)
| Bob Maple | bobm_at_burner_dot_com | [http] burner.com
|
| Thom Yorke: "Here's to getting hitched, Space Ghost."
| SG: "Yeah.. Lets drink until our hearts stop."
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