Ok here is an effect (a mask) that will help you achieve that in seconds using just FCP.
I called it Bars Wipe but it is essentially a mask that you want to apply to a text generator
so that everything behind (i.e. in V1) remains visible.
All you have to do is install the plugin, restart FCP apply it to the text, which I will assume
is going to be in V2 and adjust parameters to taste:
Keyframe the In/Outwards parameter to close the bars, cut the text generator
at the point the bars close together, change the text in the following clip and keyframe the
paramater again to open the bars. Done.
Plugin do download:
After downloading the plug-in drag it to Macintosh HD / Library / Application Support / Final Cut Pro System Support / Plugins folder. Finally restart Final Cut Pro and the effect should show up in the effects menu (Luca's Plugins).
hope this helps,
I wrote a few lines of code for that,
sorry it ended up not being useful for you...
Hope someone else is finding the plugin useful.
Shall I leave the plugin download link open guys reading this?
Creating the same effect in FCP X is much easier,
no need to write code, I'll rig a template for FCP X
when (if) I have time.
Check this post in a couple of days or let me know
if you post this over FCP X forum.
Michael is right, you posted in the wrong forum.
No worries :-)