September 7, 2010: Seahorse in Distress | Sept. 6 | Sept. 8 | 2010 | FOTD Home |
Fractal
visionaries
and enthusiasts:
Today's diversion takes us to a very familiar place -- Seahorse Valley
of the Mandelbrot set. But today we see it in a new
light.
The view is oriented halfway between the Oblate and Rectangular
directions, and also rotated one degree from the normal.
At this strange angle only part of the M-set can be seen, stretched
over 50 times in the horizontal direction. In today's image I
unstretched the Mandelbrot part far enough to leave it only about 16
times its natural width.
The remnants of the Mandelbrot aspect of Seahorse Valley are found near
the center of the frame, colored baby pink, much as a newly-born
seahorse might be. The rest of the pink stuff is the
distorted
M-set, with the western part of the main bay on the right and the
eastern part of the large period-2 bud on the left. The
foreground stuff is lesser-iteration stuff, which I inaccurately call
Julia stuff, since it is found in all planes, including the Mandelbrot.
The rating of a 7 seems about right. I put some extra effort
into
the coloring, though not as much as the image could use.
The name "Seahorse in Distress" refers to the pink Mandelbrot part of
the image, which, even after some unsquashing, still looks quite
flattened.
I was a bit relieved when FL arrived back from Havre de Grace safe and
unharmed just before noon on Monday. I listened courteously
to
the tales of the big 2-day wedding festival.
The Monday weather conditions here at FC were near perfect, with lots
of sun, a temperature of 81F 27C and low humidity. The
fractal
cats must have been worried about FL's absence. When they
heard
her car pull into the driveway, they leaped up and ran to the door to
meet her.
The next FOTD will be posted in 24 hours. Until then, take
care,
and listen to the music of the spheres.
Jim Muth
jamth@mindspring.com
jimmuth@aol.com
START PARAMETER FILE=======================================
SeahorseInDistress { ; time=0:01:42.16-SF5 on P4-2000
reset=2004 type=formula formulafile=basicer.frm
formulaname=SliceJulibrot4 passes=1 float=y
center-mag=0/0.002/2.9/0.3805/90/0 params=22/89/0/\
89/-0.75/0/0/0/2/0 maxiter=5000 inside=0 logmap=yes
symmetry=none periodicity=6
colors=000AVfAUeAQdAQcAQbAQaBP`CO_DNZEMYGLXIKWKJUM\
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zzmzzmzzmzzmzzmzzmzzmzzmz }
frm:SliceJulibrot4 {; draws all slices of Julibrot
pix=pixel, u=real(pix), v=imag(pix),
a=pi*real(p1*0.0055555555555556),
b=pi*imag(p1*0.0055555555555556),
g=pi*real(p2*0.0055555555555556),
d=pi*imag(p2*0.0055555555555556),
ca=cos(a), cb=cos(b), sb=sin(b), cg=cos(g),
sg=sin(g), cd=cos(d), sd=sin(d),
p=u*cg*cd-v*(ca*sb*sg*cd+ca*cb*sd),
q=u*cg*sd+v*(ca*cb*cd-ca*sb*sg*sd),
r=u*sg+v*ca*sb*cg, s=v*sin(a), esc=imag(p5)+9
c=p+flip(q)+p3, z=r+flip(s)+p4:
z=z^(real(p5))+c
|z|< esc }
END PARAMETER FILE=========================================