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Fractal Creations (Second Edition)
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lewen
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rclpar.frm
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1992-06-08
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comment {
This file includes the formulas required to support the file
RCLPAR.PAR.
In addition, I have included a number of additional formulas
for your enjoyment <G>.
Ron Lewen
CIS: 76376,2567
}
RCL_Cosh (XAXIS) { ; Ron Lewen, 76376,2567
; Try corners=2.008874/-3.811126/-3.980167/3.779833/
; -3.811126/3.779833 to see Figure 9.7 (P. 123) in
; Pickover's Computers, Pattern, Chaos and Beauty.
; Figures 9.9 - 9.13 can be found by zooming.
; Use floating point
;
z=0:
z=cosh(z) + pixel,
abs(z) < 40
}
Mothra (XAXIS) { ; Ron Lewen, 76376,2567
; Remember Mothra, the giant Japanese-eating moth?
; Well... here he (she?) is as a fractal!
;
z=pixel:
a=z^5 + z^3 + z + pixel
b=z^4 + z^2 + pixel
z=b^2/a,
|real(z)| <= 100 || |imag(z)| <= 100
}
RCL_11 { ; Ron Lewen, 76376,2567
; A variation on the formula used to generate
; Figure 9.18 (p. 134) from Pickover's book.
; P1 sets the initial value for z.
; Try p1=.75, or p1=2, or just experiment!
;
z=real(p1):
z=z*pixel-pixel/sqr(z)
z=flip(z),
abs(z) < 8
}
RCL_4_M (XAXIS) { ; Ron Lewen, 76376,2567
; A Mandelbrot-style variation on Pickover's book,
; Figure 8.9 (p. 105).
;
; Use floating point
;
z=pixel:
z=sin(z^2) + sin(z) + sin(pixel),
|z| <= 4
}
RCL_4_J { ; Ron Lewen, 76376,2567
; A julia-style variation of the formula in Figure 8.9
; (p. 105) of Pickover's book.
;
z=pixel:
z=sin(z^2) + sin(z) + sin(p1),
|z| <= 4
}
RCL_5_M (XAXIS) { Ron Lewen, 76376,2567
;
; A variation on the classical Mandelbrot set
; formula.
;
; Use floating point
;
z=pixel:
z=sin(z^2+pixel),
|z| <= 4
}
RCL_5_J (ORIGIN) { Ron Lewen, 76376,2567
;
; A variation on the classical Julia set.
;
; Use floating point
;
z=pixel:
z=sin(z^2+p1),
|z| <= 4
}
RCL_6_M (XAXIS) { ; Ron Lewen, 76376,2567
;
; A variation on the classic Mandelbrot formula
;
; Use floating point
;
z=pixel:
z=sin(z)^2 + pixel,
|z| <= 4
}
RCL_6_J (ORIGIN) { ; Ron Lewen, 76376,2567
;
; A variation on the classic Julia formula
;
; use floating point
;
z=pixel:
z=sin(z)^2 + p1,
|z| <= 4
}
RCL_7 (XAXIS) { ; Ron Lewen, 76376,2567
; Inspired by the Spider
; fractal type included with Fractint
;
z=c=pixel:
z=z^2+pixel+c
c=c^2+pixel+z
|z| <= 4
}
RCL_8_M { ; Ron Lewen, 76376,2567
;
; Another variation on the classic Mandelbrot
; set.
;
z=pixel:
z=z^2+flip(pixel)
|real(z)| <= 100 || |imag(z)| <= 100
}
RCL_8_J (ORIGIN) { ; Ron Lewen, 76376,2567
;
;
;
z=pixel:
z=z^2+flip(p1)
|real(z)| <= 100 || |imag(z)| <= 100
}
RCL_9 (XAXIS) { ; Ron Lewen, 76376,2567
;
;
;
z=pixel:
z=(z^2+pixel)/(pixel^2+z)
|z| <= 4
}
RCL_10 { ; Ron Lewen, 76376,2567
;
;
;
z=pixel:
z=flip((z^2+pixel)/(pixel^2+z))
|z| <= 4
}
RCL_Cosh_Flip (XAXIS) { ; Ron Lewen, 76376,2567
;
; A FLIPed version of RCL_Cosh.
; An interesting repeating pattern with lots
; of detail.
;
; Use floating point
;
z=0:
z=flip(cosh(z) + pixel),
abs(z) < 40
}
RCL_Cosh_J { ; Ron Lewen, 76376,2567
;
; A julia-style version of RCL_Cosh above.
; Lots of interesting detail to zoom in on.
;
; Use floating point
;
z=pixel:
z=cosh(z) + p1,
abs(z) < 40
}
RCL_12 (XAXIS) { ; Ron Lewen, 76376,2567
;
z=pixel:
z=(z^2+3z+pixel)/(z^2-3z-pixel)
|z| <= 10
}
RCL_13 (XAXIS) { ; Ron Lewen, 76376,2567
;
z=pixel:
z=(z^2+2z+pixel)/(z^2-2z+pixel)
|z| <= 100
}
RCL_14 (XAXIS) { ; Ron Lewen, 76376,2567
;
z=pixel:
z=z^pixel+pixel^z
|z| <= 96
}
RCL_15 (XAXIS) { ; Ron Lewen, 76376,2567
;
; Adapted from Pickover's Biomorph Zoo Collection in
; Figure 8.7 (p. 102).
;
z=pixel:
z=z^2.71828 + pixel,
|real(z)| <= 100 || |imag(z)| <= 100
}
RCL_16 (XAXIS) { ; Ron Lewen, 76376,2567
;
; Set fn1 to sqr to generate Figure 9.18 (p. 134)
; from Pickover's book.
; Set maxiter >= 1000 to see good detail in the spirals
; in the three large lakes. Also set inside=0.
;
z=0.5:
z=z*pixel-pixel/fn1(z),
abs(z) < 8
}