June 19, 2013: An Old Friend | June 18 | June 20 | 2013 | FOTD Home |
Fractal
visionaries
and enthusiasts:
Today's image shows an old friend in a new light. The old
friend
is the curious Julia Z^(2.003)+C rectangle, which in today's image is
located at the point where the arms branch out from the main trunk of
the vaguely human figure. Actually there are an infinity of
rectangles in the image, so don't try to count the extras.
The new light is the fact that the image is not a pure Julia
scene. It is double rotated 0.03,0.03 degrees, or 1.8,1.8
minutes, from the true Julia orientation. (Double rotation is
a
strange motion that is possible only in space of more than three
dimensions.) 1.8 minutes of rotation does not seem to be much
of
a change, but when it is done very close to the Julia orientation it
makes a big difference. In today's image it has totally
obliterated the left half of the humanish figure.
This rectangle is one of the first things I found when Fractint gained
the ability to calculate fractional exponents, which I think was in
1992. The rectangle struck me at once. It has no
right to
be there. It just doesn't make sense. But there it
is
anyway, for all the world to see.
Since the rectangle as well as the human-like figure has appeared so
often as a FOTD, I could give the image no rating. It's still
kind of pleasant to look at however, and with a calculation time of 25
seconds, it will cause no impatient fidgeting.
Near perfect weather made everyone happy here at Fractal Central
today. The sky was a clear Photoshop (or old Kodachrome) blue
with only a few small puffy white clouds, while the temperature reached
a comfortable high of 77F 25C. The fractal cat made it
through
the day in true feline fashion, alternating between playing, eating and
sleeping. The fractal humans had an average day, with nothing
out
of the ordinary to report, which is boring to report but was pleasant.
The next FOTD is coming, and will be posted in a day or two.
Until whenever that great moment arrives, take care, and what happened
to the squatter who was dis-satisfied with his lot?
Jim Muth
jimmuth@earthlink.net
START PARAMETER FILE=======================================
An_Old_Friend { ;
time=0:00:25.00 SF5 at
2000MHZ
reset=2004 type=formula formulafile=basicer.frm
formulaname=SliceJulibrot4 center-mag=0/-0.0248852\
/9.655172 params=89.97/0/89.97/0/-1.7435/0/\
0.000175/0.073883/2.003/0 float=y maxiter=2400
inside=0 logmap=yes periodicity=6
colors=00070R70Q60Q60P60P60O60N50N50M50L50L50K40K4\
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bQzi4zt3zp3zl3zi2ze2za2zZ }
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=========================================