Subject: Re:Transitions using ADPro 2.5
Date: 	Thu, 19 May 1994 02:42:00 -0400
From: david.wyand@canrem.com (David Wyand)

Hi Dale!

> Has anyone done any transitions using ADPro 2.5?  I have a PAR and
> will soon get a Sunrise 516 card.  I want to produce some shorts
> using Imagine, some digitized video clips, and 16 bit audio.  I do
        ^^^^^^^^
Well, I guess this makes your message Imagine related :)

> not have a toaster, or editing decks and won't be able to afford
> them soon.  The compositing controls in ADPro can create dissolves
> easy enough, but is there a painless way to create wipes and other
> digital effects between a sequence of frames?  Morphplus maybe?
> Is anyone doin this now?  I realize it will be much more time
> consuming than a non-linear editor, but it should be possible.

I agree that fades and dissolves are quite easy with FRED and ADPro 2.5.
 As for wipes, why not try this.  In DPaint (or Brilliance, I suppose)
make a two colour screen, with white as the background, and black as the
foreground.  Oh ya, I think that the DPaint screen has to be the same
size as your Rendered image for this to work in ADPro.  Fill the screen
with black, and pick it up as a brush.  Then clear the screen with
white.  Now set the number of frames to that of the length of the
transition.  Make the brush handle in the corner for easier placing, and
stamp down the brush on the first frame, covering all of the white.
Then use the MOVE requester to move the black brush off of the screen
any way you like, so long as it is completely gone by the last frame (a
boring movement of the brush to the right will do).  Preview it.  This
is your wipe alpha channel.

Now, I may have the white and black mixed up (I always do), but I hope
you get the idea of where I'm going.

Save your animation as a series of pictures using SAVE under the PICTURE
menu, and set the frames to the number of frames you have (i believe
this will save out all of the frames with sequential numbers, the kind
that FRED likes).  Make your forground and background sequences in FRED.
 Also make your ALPHA CHANNEL sequence.  Bring this all into the ALPHA
COMPOSITOR, and hopefull you'll have your transition.

I hope this all makes sense (it does to me at 2:40 AM :)

Let me know how it works (I've never actually tried this myself, just
one of those crazy early morning ideas, heh, he :)

                                        -Dave
                                         david.wyand@canrem.com


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