Any suggestions on how to "onion skinning"?

[Andre Garzia]

Ken,

Have you tried snapshoting the card, then somewhere off screen you put
a gray image on top of the snapshot with some blend and take another
shot. Depending on ink combinations you might have a nice result.

Another way, which I don't know how fast it is, is to read each pixel
in the snapshot and convert it using some proportional gray value.

Andre

On 11/28/07, Jim Ault <JimAultWins at yahoo.com> wrote:
> change the blending of the snapshot to see if that gets you the contrast or
> color reversal or transparency...
>
> Jim Ault
> Las Vegas
>
>
> On 11/28/07 12:41 PM, "Ken Ray" <kray at sonsothunder.com> wrote:
>
> > On Wed, 28 Nov 2007 20:19:27 +0000, Ian Wood wrote:
> >
> >>>> I'm working on a program with my son that does simple card-based
> >>>> animation, but one of the things he asked how to do in Rev stumped me,
> >>>> and that is doing an "onion skin"
> >>>
> >>> I would try overlaying a translucent screen capture of the prev or next
> >>> card.
> >>
> >> Agreed. Or do it by taking a snapshot directly from the card - this
> >> should work even if it's not the frontmost card.
> >
> > The problem with those is that if the card has color in it, the
> > translucency is also in color. I was hoping to keep it in
> > grayscale/gray.
> >
>
>
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