fas.avclip.Rect v.s. fas.avclip.xy

[Flashants]

Useing "fas.avclip.Rect" only to specify the video's left-top and buttom-right corner is all you need.
ex.
fscommand ("fas.avclip.Rect", "100,100,420,340");
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Replying to:

when using the fas.avclip.Rect command is it always necessary to specify an xy position afterwards using the fas.avclip.xy?

I have encountered a problem with this method as the video clip generates at the 0,0 co-ordinates and then jumps to the x,y as specified.

is there a way of eliminating this jump?