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1989-04-18
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MANDELBROT'S SET PLOTTER
APRIL 15, 1989
With menu selection and mouse drive ( if mouse is available),
you can plot the Mandelbrot's set in any part of the parameter space
easily.
System requirement: EGA or VGA adapter.
To run the program by typing
mdl.exe
You will see the menu selection on the screen. the selection
can be made either with mouse or by keyboard. The menu functions
are discribed as following:
START --(type s or S) start plotting the graph;
CLR --(type c or C) clear the graphic screen;
GRID --(type g or G) turn the grid on or off;
RESET --(type r or R) reset all parameter to default value;
EXIT --(type e or E) exit from the program to dos;
STOP --(type t or T) stop plotting;
ZOOM --(type z or Z) select zooming window;
NUM. OF X --(type x or X) change the horizotal number of points;
it should be 400(default) or less.
NUM. OF Y --(type y or Y) change the vertical number of points;
it should be 300(default) or less.
ITERATION --(type i or I) change the iteration number;
For more reliable reason, when changing these three number, please
end it with a decimal point.
Example: if you want change the NUM. OF X from 400 to 200, type in
"200.", i.e. using a decimal point to end a integer number.
More words on ZOOM function:
After you press your mouse at the box marked as ZOOM or type z ,
move the cursor ( with mouse or by arrow key) to start point (x1,y1),
and press the button of the mouse(with mouse) or press the ENTER key
(without mouse) to mark the start position. Then move the cursor to
ending position (x2,y2)[note: x2>x1 and y2<y1 i.e move at right and
down direction] and mark it. Finally press CLR or type c to clear
the screen, and the select START to ploting the graph in the selected
window.
Source file in C ( Quick C ) for both the program and the mouse tool
utility is available. Please send your feedback and contribution to:
XIAOWU WANG
Dept. of Physics
4 Washington Place
NY, NY 10003
or E-MAIL wangxi@acf1.nyu.edu