Feb. 13, 2013: Nothing Much | Feb. 12 | Feb. 15 | 2013 | FOTD Home |
Fractal visionaries and enthusiasts:
To
create today's
image, I combined 10 negative parts of Z^(-1.6) with 2 negative parts
of Z^(-3.7) and added (1/C) on each iteration. When the
calculation was finished, I found myself with a parent fractal that was
little more than a large irregular open hole with Mandelbrot features
along its southern boundary and a large cloverleaf object floating
inside its northern part. I found today's scene when I
checked
the eastern edge of the obviously Mandelbrot stuff on the southern
boundary of the large irregular hole.
The name "Nothing Much" describes what I found there. But
'nothing much' implies a little something, and a little something is
what we find in today's image, which is perhaps most notable for its
well-divided areas that are unusually flat. Actually, these
flat
areas would have been nearly totally flat if I had not used the 'tdis'
outside option when rendering the scene.
As it is, the image rates a nominal 7, good enough to be worth the
2-1/4 minutes required to calculate it. Curiously, I think
this
is the first image in which I have used a negative maxiter with the
'tdis' outside.
A cloudy day with a temperature of 41F +5C ended with a burst of wet
snow at nightfall. The snow never amounted to more than an
inch
(2cm) however, and by midnight, had ended. The fractal cat
had an
average day for an indoor cat. (Indoor cats live far less
exciting but far safer lives than the stray and feral cats that roam
the area.) The humans had an average human day.
The next FOTD will be posted in approximately 36 hours. Until
then, take care, and I hear that our schools now need far more
computers and internet access in the classrooms if they hope to do an
adequate job of teaching students. But if this is so, how, in
primitive classrooms without computers, did we learn enough to develop
the present day computers that have now become so necessary?
Jim Muth
jimmuth@earthlink.net
START PARAMETER FILE=======================================
Nothing_Much
{ ; time=0:02:15.00
SF5 at 2000MHZ
reset=2004 type=formula formulafile=basicer.frm
formulaname=MandAutoCritInZ function=recip float=y
center-mag=+1.097932482367496/-1.698027822201469/\
4.926059e+008/1/140/0 params=-10/-1.6/-2/-3.7/0/\
525/0/0 maxiter=5000 inside=0 outside=tdis
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frm:MandAutoCritInZ {; 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)+(p4)),
k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel):
z=k*((a*(z^b))+(d*(z^f)))+c,
|z| < l }
END PARAMETER FILE=========================================