[Bf-committers] Blurred Edge for Sweep Effect

[Johnny Matthews]

Here is a new movie with the blur recoded. Matt, I think the 'jump' is
corrected now. I am now going back to work on the box and cross wipe
as well as a circle wipe.

http://www.gvc.net/~jmatthews/blender/sequence/sweeps_3.mov

On Sat, 26 Jun 2004 13:01:50 -0500, Johnny Matthews
<johnny.matthews@gmail.com> wrote:
> 
> Yeah, There is the problem you mentioned. I hope to come up with a
> solution to it soon.
> 
> 
> On Sat, 26 Jun 2004 15:56:07 +1000, Matt Ebb <matt@mke3.net> wrote:
> >
> >
> > On 26 Jun 2004, at 2:58 PM, Johnny Matthews wrote:
> >
> > > Here is the latest movie from my work with the new sweep code
> > >
> > > http://www.gvc.net/~jmatthews/blender/sequence/sweeps_2.mov
> >
> > Looks pretty cool so far!
> >
> > > Feedback Please!!
> >
> > I've found that in your example video, some of the soft-edged wipes are
> > 'jumpy' - they seem to appear part way across the screen at the start
> > of the transition, instead of smoothly fading in from the side. Better
> > than this verbal explanation is a picture:
> >
> > http://mke3.net/blender/etc/wipe_soft_jumpy.jpg
> >
> > Frame T is the start frame of the transition. In T, T+1, T+2, the
> > distance travelled by the blurred part is relatively small - the inner
> > edge of the blur travels by only a few pixels each frame. However from
> > T-1 to T, the there's a large distance between the edge of the frame
> > (T-1) and the edge of the blur (T), which makes it seem to jump out
> > from the side at the start of the transition. Ideally, the edge of the
> > blurred area should begin at the edge of the frame, and smoothly travel
> > across from that position.
> >
> > As has been mentioned on the forums, I also recommend calling it 'Wipe'
> > rather than 'Sweep', as Wipe has been the industry standard term for
> > this for decades.
> >
> > Cheers,
> >
> > Matt
> >
> > 
> > smime.p7s - 2K
> >
>