; July 15, 1997: Pinhead 
;
; pinhead
;
; Fractal visionaries:
;
; Today's fractal was drawn with a formula still in the testing stage.  I
; usually don't like to draw finished images from formulas still in
; development, because then I must keep a copy of the unfinished formula
; on file so that the fractal does not become an orphan without a formula.
;
; But except for the drawing of the parallel planes, which still doesn't
; work as I'd like, this version of the formula works pretty well, and it
; makes some very striking images, so I decided to go ahead and use it.
;
; The fractal shows a midget on the negative tail of the classic
; Mandelbrot set, sliced at an angle rotated 55 degrees toward the YZ
; plane.  The midgets on the negative tail are shaped like long, hollow
; tubes in the Z dimension.  This is why the oblique slice stretches the
; midget horizontally.
;
; Since the midget's main bud has become scrunched into a narrow funnel, I
; named the picture "Pinhead".  The finished image is waiting on a.b.p.f.
; and a.f.p. for those who would rather pick it up that way.
;
; Tomorrow, I'll go for a fractal that's more art than theory.  But before
; I go, let me make one comment on "Jazzy on the Outside", a fractal which
; was posted by Les St Clair earlier today.  My one comment is, "wow! how
; do they do that stuff!"
;
; Jim Muth
; jamth@mindspring.com
;
; START 19.6 FILE=============================================

Stretched_Out      { ; time=0:00:10.27-SF5 on P4-2000
  reset=1960 type=formula formulafile=jim.frm
  formulaname=XY-YZ-test02 passes=1 center-mag=-2.57\
  838/0/47.75037 params=55/0/0.7/0/0/0 float=y
  maxiter=250 inside=bof60 logmap=yes symmetry=xaxis
  periodicity=10
  colors=00000PeIRdHQdGOcGNcFLbEKbDIB9NA8O98P98Q99R8\
  9S89T89U8AV8AW8AX7AY7BZ7B_7B`7Ba6Cb6Cd6Ce7EfBHfDKg\
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  egQdgPbgOafN_fMZfMXeLWeKU
}

frm:XY-YZ-test02 {; Jim Muth
  ; p1 = rotation angle in degrees
  ; p2 and p3 = parallel planes
  z=sin(p1*.0174533333333)*real(pixel)+p2,
  c=cos(p1*.0174533333333)*real(pixel)+flip(imag(pixel))+p3:
  z=sqr(z)+c
  |z| <= 16
}

; END 19.6 FILE===============================================
;