NAME

fractal, julia − Display Mandelbrot and Julia sets on Amiga Unix /dev/screen device

SYNOPSIS

[-?JMbB] [-xyiIpPqaeHWDhwdmf float]

DESCRIPTION

fractal commands have changed from the previous release.  New mouse and key hacks are available.  fractal Opens the largest possible screen on the default monitor under the screens device (/dev/screen).  fractal proceeds to display a Mandelbrot for the current coordinates. 

MOUSE HACKS

To zoom into the fractal drag a box around the part of the fractal you wish to display.  Use SHIFT-DRAG to move the box.  Use Amiga-z to zoom in, Amiga-Z to zoom out. 
 
Use ESC to terminate zoom box mode.

KEY HACKS

All key hacks are now modified by the Amiga-key. 

Amiga-q
Quit fractal.

ESC Quit a zoom grab. 

Amiga-c
Change the color map.  See the section COLORS for more information. 

Amiga-j
Redraw the Julia Set that corresonds to the position of the pointer. (only valid while drawing a Mandlebrot Set).

Amiga-m
Redraw the Mandelbrot Set that corresonds to the position of the pointer. (only valid while drawing a Julia Set).

Amiga-w
Write out a gif file of the current screen (named ./fracN.gif).  Someday I’ll fix this.

COLOR

While in color mode you can use the pointer to click on one of the 16 color map entries and change their corresponding color by moving the sliding gadgets at the bottom of the screen that correspond to red, green, and blue color intensities.  Use the Return Key to return the fractal with the new colors installed.  Use ESC or ‘q’ to abort. 

NOTES

Fractal has a poor user interface.  If you’d like to work on it--do it.  Please send me any hacks you have for it. 

Someday I will write a decent manual page. 

AUTHOR

Keith M. Gabryelski (ag@amix.commodore.com)

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