POV-Ray : Newsgroups : povray.binaries.images : Ulam Spiral fun : Re: Ulam Spiral fun Server Time
22 May 2024 00:37:51 EDT (-0400)
  Re: Ulam Spiral fun  
From: Bald Eagle
Date: 7 Mar 2022 21:45:00
Message: <web.6226c20d8a8700001f9dae3025979125@news.povray.org>
"jr" <cre### [at] gmailcom> wrote:
> hi,
> had a minor epiphany :-) a few days back, realised that the TOA demo provided
> already the moving and turning stuff needed for the Ulam Spiral.  so spent some
> "happy hours" gutting the TOA code and from it making "USaF", the Ulam Spiral
> (animation) Fun ;-).
> attached is the source for the animation posted in p.b.a, a few notes:
> - the CSV file included is for the first 4096 numbers, the same length as the
> Hilbert Curve still image, though the ini file stops short of that.
> - the AA settings in the ini are not v good to keep the rendering .. speedy.
> - like the 'Filed()' demo, I direct all output to a scratch directory, you'll
> need to adapt the paths in two places, the last line of the ini, and line 63 in
> the scene (sorry about it it not being nearer the top, need to load lookup data
> in CWD first).
> - both verbose and logging can be enabled/disabled to suit.  the log could be
> used to render intermediate frames to make for graceful "gliding" and turning.
> :-)
> and finally, I ask for a "helping hand".  I would like the camera to slowly pull
> back and change both location + look_at during the animation, the aim being to
> run the spiral to the same length as RMcG.
> Alain Martel <kua### [at] videotronca> wrote:
> > Our brains are extremely good at finding patterns. Even TO good at it.
> > It can, and do, find patterns even in places where there are no patterns
> > at all.
> so agree, and both fortunate and not.  good, I think, for all the cognitive +
> tool-making-drive etc advantage, bad because it leaves us susceptible to
> conditioning + propaganda and such.
> regards, jr.


TOA, CWD, RMcG......

The Apogee bong wasn't mine, and since William Leonard Pickard stopped making
all the good stuff.....

I cannot Become One with your universe and divine the hidden meaning of your

So you wanna follow the bouncing prime ball as it spirals around the origin and
keep the whole spiral in the view frustrum?

Would any of those camera spline macros be of use?


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