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Hi I would like to have an animation with NlogN or LogN time spell, this
concerns the spinning of a rotor blade, ive tried a couple of ways but seem
to be making a complete cock up each time, ny ideas ?
Much appreciated Pete
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In article <3fef823f@news.povray.org>,
"P P" <pet### [at] top99 freeservecouk> wrote:
> Hi I would like to have an animation with NlogN or LogN time spell, this
> concerns the spinning of a rotor blade, ive tried a couple of ways but seem
> to be making a complete cock up each time, ny ideas ?
"time spell" == "time scale"? You want an animation that progresses in
logarithmic time, going slower as time goes on? You don't seem to be
talking about algorithmic complexity...
Try "ln(N + clock*N)" wherever you would use "clock". The "1 +" starts
you off at the point where time is traveling at the "normal" rate, N
determines the scale used. To make things easier to manage, assign it to
a variable named something like LClock.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: <chr### [at] tagpovrayorg>
http://tag.povray.org/
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Cheers, im making myself confused, what im trying to do is make a rotor
blade look like its blurred from a standing start, just getting the math
slightly screwed up.
"Christopher James Huff" <cja### [at] earthlinknet> wrote in message
news:cja### [at] netplexaussieorg...
> In article <3fef823f@news.povray.org>,
> "P P" <pet### [at] top99freeservecouk> wrote:
>
> > Hi I would like to have an animation with NlogN or LogN time spell, this
> > concerns the spinning of a rotor blade, ive tried a couple of ways but
seem
> > to be making a complete cock up each time, ny ideas ?
>
> "time spell" == "time scale"? You want an animation that progresses in
> logarithmic time, going slower as time goes on? You don't seem to be
> talking about algorithmic complexity...
>
> Try "ln(N + clock*N)" wherever you would use "clock". The "1 +" starts
> you off at the point where time is traveling at the "normal" rate, N
> determines the scale used. To make things easier to manage, assign it to
> a variable named something like LClock.
>
> --
> Christopher James Huff <cja### [at] earthlinknet>
> http://home.earthlink.net/~cjameshuff/
> POV-Ray TAG: <chr### [at] tagpovrayorg>
> http://tag.povray.org/
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In article <3fef8ca1@news.povray.org>,
"P P" <pet### [at] top99freeservecouk> wrote:
> Cheers, im making myself confused,
You're doing a pretty effective job on me, as well.
> what im trying to do is make a rotor blade look like its blurred from
> a standing start, just getting the math slightly screwed up.
Now you seem to be talking about motion blur. What exactly is your
problem? What math are you screwing up?
You may be interested in this:
http://www.geocities.com/SiliconValley/Lakes/1434/clockmod.html
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: <chr### [at] tagpovrayorg>
http://tag.povray.org/
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