December 18, 2010: Great Ghost-Bud | Dec. 17 | Dec. 19 | 2010 | FOTD Home |
Fractal
visionaries
and enthusiasts:
Today's quickie image shows one of the perturbed Mandelbrot things that
I call a 'ghost bud', which explains the name "Great
Ghost-Bud".
A ghost bud is the left over remnant of the intact bud that appears at
the same spot in the un-perturbed M-set. (To see the bud of
today's image in its true form, simply change the parameters to 0,0.)
The rating of a 6 is all I could give the image. I was doing
similar perturbed scenes almost 20 years ago, and there is very little
shock value left in such images. (If indeed, there ever was
any.)
The scene of the action lies on the southern shore line of the main bay
of the Mandelbrot set, just west of the large period-3 bud.
The
location may be a bit confusing because the image has been calculated
upside-down. (In my opinion, the proper position for a bud is
on
top of or to the left of its valley.)
The initial value of Z has been set to 0.3096,1.6056, which perturbs
the appearance of the M-set. In fact, it nearly wipes it
out. (For some reason the type=mandel actually initializes Z
to
the square root of the entered value. This is inaccurate, but
if
it were changed, the type=mandel images made with earlier versions of
the program would no longer work.)
Another curiosity of the parameter file is that the reset is set to
zero. Resetting this value to the usual 2004 makes a small
but
noticeable change in the spacing of the color bands.
Despite the extreme maxiter of 250,000, the type=mandel formula is so
efficient that the image calculates in 28 seconds.
The image may also be seen in finished form at:
http://www.emarketingiseasy.com/TESTS/FOTD/jim_muths_fotd.html
All the past FOTD images may be viewed at:
http://www.Nahee.com/FOTD/
though the site is probably not up to date.
Some sun, some clouds and a temperature around 30F -1C here at Fractal
Central on Friday brought some improvement to the area. The
fractal cats spent most of the day sleeping by the heat, but the
fractal cat Nicholas, who is usually quite friendly with strangers,
lost a few points when he swore at a customer who dropped by in the
afternoon and got a bit too familiar with him.
The next FOTD is due in 24 hours. For all I know it will
actually
be ready on time. Until then, take care, and beware of
synchronicity.
Jim Muth
jamth@mindspring.com
START PARAMETER FILE=======================================
Great_Ghost-Bud { ; time=0:00:28.16-SF5
on P4-2000
reset=0 type=mandel passes=1 center-mag=-0.2438\
2329/-0.639263/476/1/-168.5/0 params=0.3096/1.6056
float=y maxiter=250000 bailout=100 logmap=yes
colors=000BA0aoK`oK`oK_nK_nKZnKYnKYnKXmKXmKWmKVmKV\
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OxzPyzQzzRzzSzzUzzWzzYzz_zzazzczzezzgzzizzkzznzzqz\
ztzzwzzzzzzzzzzzzzzzzzzzz }
END PARAMETER FILE=========================================