April 30, 2012: An Ellibolic Set | April 28 | May 1 | 2011 | FOTD Home |
Fractal visionaries and enthusiasts:
Today's
image shows
the same scene as the image of April 28. The open area at the
center is the same East Valley minibrot; the tendril arms are the same
ones that made the previous image attractive. The difference
is
that we are looking at the scene from a different angle.
The previous image was sliced in the Mandelbrot orientation; today's
view is sliced in an orientation halfway between the Elliptic and
Parabolic. The horizontal direction of the image is the
real(c)
axis of the Julibrot; the vertical direction lies halfway between the
real(z) and imag(z) axes.
The tendrils of the previous image no longer spiral from outside the
frame into the central minibrot. At the angle of today's
slice
they form loops and cut-off arcs. These arcs should not be
seen
as things with only one extended dimension. They are actually
things with three extended dimensions that curve in four-dimensional
space.
The minibrot itself bears no resemblance to the familiar Mandelbrot
shape. It has changed into a kind of stretched open
area.
This shape is typical of minibrot complexes when viewed in the odd
directions.
The name "An Ellibolic Set" refers to the orientation of the
slice. The rating of a 6 is what I think the image is
worth. The calculation time of one short minute is a fair
price
to pay for an image with so little artistic worth.
The day here at Fractal Central began with brilliant blue skies and
lots of sun. Clouds arrived early in the afternoon, spoiling
what
could have been a near perfect day, but the forecast rain held off.
From their window, the fractal cats heartily approved of the outside
temperature of 63F 17C. Their greatest thrill came when a
pigeon
landed on the window sill and began cooing.
The humans greatest thrill came when the day's work was finished and it
became apparent that nothing would go wrong. An even greater
thrill will come however when the next FOTD appears in its full
glory. Until then, take care, and it makes people very angry
when
they hear unpleasant things mentioned that they fear are true but are
trying to deny.
Jim Muth
jimmuth@earthlink.net
START PARAMETER FILE=======================================
An_Ellibolic_Set { ; time=0:01:00.00 SF5 at 2000MHZ
reset=2004 type=formula formulafile=basicer.frm
formulaname=SliceJulibrot4 center-mag=+0.000000012\
33959259/-0.00000000742723974/274.9971/40928
params=45/90/0/0/0.266251413921/0.0034281189961/0/\
0/2/0 float=y maxiter=1500 inside=0 logmap=152
periodicity=6 mathtolerance=0.05/1
colors=000cYUbXUaWU`VU_UUZTUYSUXRUWQUVPUUOUTNUSMSR\
LSQKSPKQOKONKMMKKLKILKGLLHLMIKNIKPJKRKKTKMVLOXMPZM\
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24`24Y34V34S44P54M54J64G64D94AB47D44F41H42K62N72R9\
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aSkfGgiEdkDamCZoBVqASs9Pu8Mw7Jz6PzFUzOZzWczdhzldzi\
azfzzczz`zzYzzVzzSzzQzzSzzTzzUzzWzzXzzYzzZzzWzzUzz\
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=========================================