October 1, 2010: The Lost Elephants | Sept. 30 | Oct. 2 | 2010 | FOTD Home |
Fractal
visionaries
and enthusiasts:
While reading Mike's description of his Elephant Valley 3-D animation,
I noticed that he saw no elephants in the area. In today's
image
the lost elephants have been found.
The image is a blow-up of a small section of the FOTD image for Sep
27. And it is filled with elephants. True, the
elephants
appear quite different from the standard ones in East Valley of the
M-set, but they are definitely there.
The most recognizable elephants lie around the upper arch of the large
open area. They appear to be arising as hollow outlines from
the
depths on the left, arching over the open area, giving a mighty
trumpet, and then diving back into the depths on the right.
But turn the image upside down. There are more elephants
hiding
in the 'outside' stuff below the open area. They are rather
distorted, but unlike the upper elephants, they are filled with much
detail.
Since the image is a near repeat of a recent image, and I reused the
same color palette, I could give today's image no rating.
I raised the maxiter to 32767 to better define the narrow
high-iteration stripe across the center of the scene.
The name "The Lost Elephants" is a bit misleading. Actually,
the
elephants have been found.
The calculation time of 3-1/4 minutes may be more than cut in half by
rendering the scene with passes=g, but some smaller detail will be
lost. Rendering with passes=1 gives the best result, but
doubles
the calculation time.
Torrential rain came in squally bursts here at Fractal Central on
Thursday, accompanied by gusty south winds and a surprisingly warm
temperature of 77F 25C. The wind caused an hour-long power
outage
in the late afternoon, but the work was already finished and little
inconvenience was felt. The fractal cats never noticed that
the
power went out. The fractal basement took on surprisingly
little
water considering the approximately 4-in 10-cm of rain that fell up to
7pm. My day was spent waiting to bail out the basement, but
no
bailing was needed. The next FOTD will be posted in 24
hours. Until then, take care, and think positively negative.
Jim Muth
jamth@mindspring.com
START PARAMETER FILE=======================================
The_Lost_Elephants { ; time=0:03:14.93-SF5 on P4-2000
reset=2004 type=formula formulafile=basicer.frm
formulaname=SliceJulibrot4 passes=t maxiter=32767
center-mag=-0.011413986/+0.163729391/273/0.1226/\
-90/60.1 params=90/0/0/90/0.28/0/0.5/0/2/0 float=y
inside=0 logmap=10 periodicity=6
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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=========================================