April 28, 2012: The Fractal Victim | April 27 | April 30 | 2011 | FOTD Home |
Fractal visionaries and enthusiasts:
The
Saturday FOTD is
once again late; the reason is that FL and I again went out on a
Saturday expedition, and when we returned, too little time remained in
the day for a proper FOTD search.
Today's image for the 28th was found with very little searching, and
shows a minibrot in the East Valley area of the Mandelbrot
set.
Minibrots in East Valley of the M-set are nothing unusual, so why did I
name today's image "The Fractal Victim"? Feeling nasty, I
plan on
doing some not very nice things to the central minibrot in the next few
days.
The image features tendril arms that are unusually long and slender,
and also straighter than usually seen. The straightness will
emphasize the distortion that appears as we view the minibrot from odd
angles.
Mandelbrot minibrots are not mere flat 2-D shadows. In the
4-D
Julibrot they are full four-dimensional spaces with two compact
dimensions and two dimensions that appear to extend to infinity. More
correctly, they *would* extend to infinity if they were not cut off by
lower iteration stuff.
The compact dimensions define the Mandelbrot orientation; the
potentially infinite dimensions define the Julia orientation.
The
oblique angles combine both the Mandelbrot and Julia dimensions and are
therefore subject to severe stretching.
I gave the image no rating, since it merely shows the scene that will
be distorted in the upcoming FOTD's. The coloring was
designed to
keep the corresponding parts easily identifiable when the viewing angle
changes.
Unlike the calculation time of the recent elephant series, the
calculation time of this series of images will be in the one-minute
range, which should keep boredom at bay and everyone feeling peaceful.
Thickening clouds and an un-springlike temperature of 48F +9C made
today (Saturday the 28th) a day to be forgotten here at Fractal
Central. The fractal cats forgot the day even before it
began. The humans, out on an expedition, took things in
stride. The next FOTD will be posted in 24 hours.
Until
then, take care, and with cameras everywhere and the alien space ships
supposedly navigating in our skies, why are there no clear pictures of
UFO's?
Jim Muth
jimmuth@earthlink.net
START PARAMETER FILE=======================================
The_Fractal_Victim { ; time=0:01:00.00 SF5 at 2000MHZ
reset=2004 type=formula formulafile=basicer.frm
formulaname=SliceJulibrot4 center-mag=0/0/\
1.392609e+007/1/90/0 params=0/0/0/0/0.266251413921\
/0.0034281189961/0/0/2/0 float=y maxiter=1500
inside=0 logmap=152 periodicity=6
colors=000cYUbXUaWU`VU_UUZTUYSUXRUWQUVPUUOUTNUSMSR\
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SzzQzzOzzMzzKzzIzzFzzDzzB }
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=========================================