Fractal of the Day
by Jim Muth
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FOTD -- April 07, 2009 (Rating 8)
Fractal visionaries and enthusiasts:
For the curious, the "Great Mandelbrot Set" image of April 5, 2009 originally appeared in a slightly different form as the FOTD for September 5, 1999, when it was named "Mandelbrot Vision". Paul Lee almost had it tracked down.
Today's image is another slightly modified old one, this one from March 12, 1999, when it was named "Edge-On Galaxy". I'm re-using old images because of a heavy work load which leaves too little free time for a proper fractal search. I tweaked the colors a bit and turned the image almost upside-down, but the overall effect of stars scattered among streaks of interstellar dust is much the same. In keeping with the same theme, I named today's image "Stellar Nursery".
The rating of an 8 is perhaps a bit high for a re-used fractal, but I think it is worth the rating, especially since I had not yet started rating the images when I posted the first version.
The calculation time of 35 seconds means no one will waste much time doing the calculation. And as always, the finished image is or soon will be posted for immediate and total gratification on the FOTD web site at:
Heavy clouds and occasional rain made the fractal cats unhappy on Monday here at Fractal Central. With a lack of sun, the near-normal temperature of 55F 13C gave no comfort.
My day was near average. The next FOTD will be posted in 24 hours. Until then, take care, and it will all work out, regardless of what 'it' may be.
Jim Muth
jamth@mindspring.com
jimmuth@aol.com
START PARAMETER FILE=======================================
Stellar_Nursery { ; time=0:00:35.07-SF5 on P4-2000
reset=1960 type=formula formulafile=basic.frm
formulaname=multimin-XZ-YW-new passes=1 maxiter=1200
center-mag=+0.06912407603522651/+0.0002875320426651\
5/203.8073/0.04155/0.206674009974176315/64.56064991\
55611289 float=y inside=255 logmap=16 periodicity=10
params=90/-10/3.5/0/0.03907/-0.28621/0.8042/0
bailout=25
colors=000`KWZKVZKUYJTWISUHRSGQRFQPEPODOMCNLBMJBLI\
BKHBJFAJDAJAAI7CI5CI2CG0CG0CG0CE0CE0CD0CE0CE0CE0CG\
0CG0CG0CI0CI0CI0CJ0CJ0CJ0CJ0CL0CL0CL0CL0CN0CN0CN1D\
O1EO1FO1GO2HQ2HQ2HQ4HR4IR4IR6IT6IT6JT6KT8LV8MV8NV9\
NX9MX9MX9MXBMYBMYBMYDM_DM_DM_DM_EKaEKaEKaGKbGKbGKb\
IKdIKdIKdIKdJKfJKfJKfLKgLKgLKgLKgNKiNKiNKiOKkOKkOK\
kOKnQKqQKtQKwRKzRKzRKzTKzTKzTKzTKzVKwVKuVKsXKsXKsX\
KsYKtYKtYKtYKt_Kw_Kw_KwYOt_Kw_JxaHzaFzaCzbBzbBzaBz\
aBzbBzbBzbBzdBzdBzdBzdBzdBzfCzfCzfDzfDzfDzgFzgFzgF\
zgHziHziJziJziJziKzkKzkMzkMzkOzkOzlPzlPzlPzlRxnRxn\
RxnTxnTxnUxpUxpUxpWwpWwpYwpYwqZwqZwqZws`ws`ts`tsat\
sattcttcttettetteswgswgswhswhsxhsxjsxjsxlqxlqzlqzm\
qzmqzoqzoqzoqzqpzqpzrpzrpzrpztpztpzvpzvnzwnzwpzwrz\
ytzyvzzxzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz\
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz\
zzzzzzzzzzzzzzzzzzzzzzzzz }
frm:multimin-XZ-YW-new {; Jim Muth
; 0,0=para, 90,0=obl, 0,90=elip, 90,90=rect
e=exp(flip(real(p1*.01745329251994))),
f=exp(flip(imag(p1*.01745329251994))),
z=f*real(pixel)+p3, c=e*imag(pixel)+p4:
z=(-z)^(p2)+c,
|z| <= 36 }
END PARAMETER FILE=========================================
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