Interactively draws a Julia set. More...

Functions
def	julia (c, kcolor)

def	init ()

def	display ()

def	reshape (w, h)

def	keyboard (key, x, y)

def	main (argv=None)

Variables
float	LEFT = -1.5

float	RIGHT = 1.5

float	TOP = 1.5

float	BOTTOM = -1.5

int	WIDTH_MATRIX = 512

int	HEIGHT_MATRIX = 512

int	width = WIDTH_MATRIX

int	height = HEIGHT_MATRIX

int	MaxIters = 200

list	c

	mind = len(c)

int	ind = 0

bool	__LIST__ = True

	xrange = range

Detailed Description

Interactively draws a Julia set.

Usage: 'n' draws the next set. 'q' or 'Esc' quits.

Author: Paulo Roma Cavalcanti

Since: 06/05/2010

See also: http://www.tjhsst.edu/~dhyatt/supercomp/n106.html; http://en.wikipedia.org/wiki/Julia_set

Function Documentation

◆ display()

def _15_julia.display ( )

References julia().

Referenced by keyboard().

◆ init()

def _15_julia.init ( )

References julia().

Referenced by main().

◆ julia()

def _15_julia.julia	(	c,
		kcolor
	)

   Computes a Julia set using the constant c.
   kcolor is the square of the radius of the 
   circle in which zn must be in to be part of the set.

   z(n+1) = z(n)**2 + c
   z = (x+iy), c = (p+iq)
   z*z = x**2 - y**2 + 2ixy

References xrange.

Referenced by display(), init(), and keyboard().

◆ keyboard()

def _15_julia.keyboard	(	key,
		x,
		y
	)

References display(), _12a_poly.exit(), and julia().

◆ main()

def _15_julia.main ( argv = None )

References init().

◆ reshape()

def _15_julia.reshape	(	w,
		h
	)

Variable Documentation

◆ LIST

bool _15_julia.__LIST__ = True

private

◆ BOTTOM

float _15_julia.BOTTOM = -1.5

◆ c

list _15_julia.c

Initial value:

 =  [-0.12375 + 0.56508j,
      -0.12 + 0.74j,
      -0.11 + 0.6557j,
      -0.194 + 0.6557j,
      0.0 + 1.0j,
      -0.125 + 0.0j,
      0.11031 - 0.67037j,
      0.27334 + 0.00742j,
      -0.75 + 0.0j,
      -0.8 + 0.156j,
      -0.70176 - 0.38j,
      0.285 + 0.01j,
      -0.835 - 0.2321j,
      -0.70176 - 0.38j,
      -0.4 + 0.6j,
      -0.6180339887498948482 + 0.0j,
      0.285 + 0.0j]

◆ height

int _15_julia.height = HEIGHT_MATRIX

◆ HEIGHT_MATRIX

int _15_julia.HEIGHT_MATRIX = 512

◆ ind

int _15_julia.ind = 0

◆ LEFT

float _15_julia.LEFT = -1.5

◆ MaxIters

int _15_julia.MaxIters = 200

◆ mind

_15_julia.mind = len(c)

◆ RIGHT

float _15_julia.RIGHT = 1.5

◆ TOP

float _15_julia.TOP = 1.5

◆ width

int _15_julia.width = WIDTH_MATRIX

◆ WIDTH_MATRIX

int _15_julia.WIDTH_MATRIX = 512

◆ xrange

_15_julia.xrange = range

Referenced by julia().

Functions

Variables