[Roadsters] Sliding Roadster from Solvang 2007 - Gettin OT

[Gary McCormick]

I have been wondering for years now why someone in the movie industry hasn't clued in and applied a little CG magic to making the wheels of cars, wagons, chariots, etc. look like they're moving realistically. It couldn't be that hard to do - not compared to some of the things they're doing with CG effects these days...

Gary McCormick
San Jose, CA
Whose Roadster's wheels don't slide or roll or do anything... at the moment.

Pat Horne <roadsters at hornesystemstx.com> wrote: Peter,

What you are referring to is stroboscopic effect. It is the same 
principal as used in a timing light. The camera scans a frame at 30 or 
60 times a second. If the wheel spokes are in the same visual position 
each frame, they will look like they are standing still. I've seen 
movies where the wheels of a car or wagon appear to be turning backward 
because of this effect. It does look really strange!

Peace,
Pat

Thusly spake peter harrison:
> Finally have got round to looking at/editing old videos - seem to have got
> used to the software finally.
> Anyhoo, found this clip from last year - the pace of the car just seemed to
> mirror the video capture and the wheels ended up being static, so that the car
> looks like it is sliding (as it might do on ice) - i'm sure that there is a
> technical reason for it - but it is interesting
>
> check out spl311u on youtube.
>
> Peter
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-- 
Pat Horne, Owner, Horne Systems 
(512) 797-7501 Voice  5026 FM 2001
Pat at HorneSystemsTx.com Lockhart, TX 78644-4443
www.hornesystemstx.com
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