How to turn keyframe creation on/off

essami wrote on 5/6/2010, 1:25 PM
Hi,

This is a little weird, sometimes when I add an effect to a video track it creates a keyframe to the position where my cursor is, sometimes it doesnt and applies the effect to the whole track (the keyframe is in the beginning of the track or not there at all).

How do I control this? Its driving me bonkers cause sometimes I add an effect to a track only to realise that it's applied only to a specific moment in the timeline cause it's created a keyframe and sometimes it doesnt do that.

Sami

Comments

rs170a wrote on 5/6/2010, 2:48 PM
Sync Cursor is probably the button you're looking for.
It's at the bottom left of the FX timeline and resembles a padlock.

Mike
xberk wrote on 5/6/2010, 3:48 PM
I'm not sure Sami meant Sync Cursor -- maybe -- but it does bring up the whole behavior of keyframing.

Here's what I think happens. I am not entirely sure myself.

I don't know a way to "turn off" keyframing -- by this I mean, a new keyframe is always created when an FX or Pan/Crop or any keyframeable operation occurs -- but if the track or the event ONLY has the ONE key frame then it acts as if it is applied uniformly to the entire track or event rather than to a point in time -- it's only if there are two keyframes on a track or event that Vegas interpolates the setting "in-between" and gradually makes the change from one keyframe to the next. Every event or track that uses keyframes has a keyframe at the beginning by default. Many times, keyframes are created that are not wanted because they "automatically" occur when a change is made to the FX or pan/crop or whatever. I think we've all created extra keyframes accidently. No way that I know of to turn this off.

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monoparadox wrote on 5/6/2010, 4:51 PM
a keyframe will be created wherever the cursor is within an fx or track motion window. If the cursor is at the begininning of the fx/track window it will change the beginning keyframe. If you want to preview the fx/motion move the cursor on the main timeline, but make sure the cursor is at the beginning of the fx/motion window or on the keyframe you wish to edit.