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Fractal of the Day
by Jim Muth
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Fractal visionaries and enthusiasts: It's another busy day, and as a result the discussion will once again have to be truncated. The parent fractal that contains today's image is one of the most unusual I have yet encountered. An outzoom must be done, and the periodicity must be set to 20 or so before the entire figure can be seen, but once it is revealed, the parent fractal resembles nothing as much as pair of calipers. And in addition to the two main tendrils, there are other more subtle and easily missed hairline tendrils extending from the central island. Today's scene is located in an area of chaos on the inside of the northern arm, halfway out to the tip. I named the image "Spirals-Plus" because the area is infested with nothing but spirals. As the old joke goes, it's spirals all the way down, and in this case, all the way up also. Comparing the image to yesterday's, I decided that today's is one step down the rating scale, and rated it at a 6 accordingly. The parameter file render time of 21 minutes is valid only on my particular machine, but it does give a guideline to the render time on other machines. As always, the best way to view the image is to download it from: The fractal weather today here at Fractal Central was once again sunny but chilly and breezy. The brisk winds and temperature of 54F 12C limited the fractal cats to less than 1/2 hour outdoors in any sun they could find on the porch. As for me, I've got to limit myself to tasks that need to be done, so until next time, take care, and see you soon. Jim Muth jamth@mindspring.com |
START 20.0 PAR-FORMULA FILE================================
Spirals-Plus { ; time=0:22:09.43--SF5 on a P200
reset=2002 type=formula formulafile=allinone.frm
formulaname=MandelbrotMix4 function=recip passes=1
center-mag=+2.83589834987121000/+2.077266207005391\
00/368561/1/92.4999998848566776/2.3926493596115872\
e-007 params=-0.961824/0.95/0.775032/3.357/0/300
float=y maxiter=2400 inside=0 logmap=340
colors=000M4HM4HO4FQ4FQ4FS4DV4DV4DX2B_2B_2Ba2Bc28c\
29e5CgAFgFIjKLlPOlURmZUmcXmh_mmbireewhazkYznUzqQzt\
OzwKzzGzzCzzAzz5zz0zz0zz0zz0yz2wz4uz6sz8qzBoyDmwFk\
uHirJgpMenOclQajS_gVYeXWc_UaaS_cQXeOVhMSkKQmIOnGMn\
EOnCMn0Jn0Hn0Hn0Fn0Dn0Dn0Bn08n08l06l24l44l82lB0lD0\
lH0lJ0lM0lO0jS0jV0jX0ja0jc0je0jj0jl0jn0jp0gu0gw0gy\
0gz0gz0gz0gz0gz0gz0gz0gz0ez0ez0cz0cz0cz0az0az0az0_\
z0_z0_y0Xw0Xw0Xu0Vr0Vp0Vp2Sn4Sl6Qj8QgBQgDOeFOcHOaJ\
MaMM_OMXQJVSJVVJSXHQ_HOaHOcBXV6cO2lH0rB0z40z00z00z\
00z00z04z0_z2Xz4Vz4Sz6Qz6Qz8Oz8MzBJzBHzDHyDFwFDuFB\
pH8nH8lJ6jJ4eM2cM0aO0_O0VQ0SQ0QS0OS0OS0QV2SV6VV8XX\
D_XHaXJc_Oc_Se_Vga_jaclaencjpcnpcprduucywbzyczzbzz\
azz`zzbzzbzzczzdzygyyhwyiuyjrykrwnpwnnwnlwnjwngupe\
upcupaup_up_rrXrrVrrSrrQrrOpuMpuJpuHpuHpuJnwJnyJnz\
JnzJnzJnzJnzJnzJnzJnzJnzJnzMnzMnzMnzMnzMnzMnzMnzMn\
zMnzMnzMnzMnzMnzJlzHjzFgz
}
frm:MandelbrotMix4 {; Jim Muth
a=real(p1), b=imag(p1), d=real(p2), f=imag(p2),
g=1/f, h=1/d, j=1/(f-b), z=(-a*b*g*h)^j,
k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel):
z=k*((a*(z^b))+(d*(z^f)))+c,
|z| < l
}
END 20.0 PAR-FORMULA FILE==================================
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times.
