May 22, 2012: Ultraviolet Sunrise | May 21 | May 23 | 2011 | FOTD Home |
Fractal visionaries and enthusiasts:
Today's
image is a
step backward -- to a rating of a 7-1/2. This rating is a
true
7-1/2. The extra half-point is not a self-awarded bonus for
the
coloring, which was created by the Fractint program, with only a
minimum of tweaking by me.
The scene lies in the parent fractal that was created when I combined
1.75 parts of Z^(2.5) with 2.5 parts of Z^(-2) on each iteration before
adding straight C.
This parent fractal is little more than scattered fractal debris, with
one prominent but small Mandeloid on the X-axis and a large hour-glass
shaped field of debris to its west. Today's scene is located
in
this hour-glass firld.
The image's effect was achieved by rendering it with the outside set to
'tdis'. For some reason I chose the name "Ultraviolet
Sunrise",
though I doubt that any star could possibly be hot enough to shine only
in the ultraviolet range.
Despite its average rating, the image is well worth a look, and the
speedy calculation time of 15 seconds will make the effort hardly
noticeable.
Today was mostly cloudy but rather pleasant here at Fractal Central,
with just enough breaks in the clouds to let us know that the sun was
still up there. The temperature of 77F 25C was hard to
beat. The fractal cats had an active day, getting into a
tussle
over their play cube. The humans' day was active also, doing
everyday things. The next FOTD will be posted in the not too
distant future. Until next time, take care, and getting
impressions from the future is impossible, yet it does happen.
Jim Muth
jimmuth@earthlink.net
START PARAMETER FILE=======================================
UltravioletSunrise { ; time=0:00:15.00 SF5 at 2000MHZ
reset=2004 type=formula formulafile=basicer.frm
formulaname=MandAutoCritInZ function=ident float=y
center-mag=-2.5554402538/+0.0908090343/5093/1/7.5/0
params=1.75/2.5/2.5/-2/-0.6/0/0/0 maxiter=1500
inside=0 outside=tdis logmap=11 periodicity=6
colors=000A0Km0nE3F92A415I6rF5kD4dB3Y90R90K51D3063\
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zm6zm6zm5zm4zm4zm3zm3zm2zm1zm1zm0zmIzm9zmEzmezmizm\
jzmkzmlzmmzmhzmczmZzmUzmP }
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=========================================