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43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
import sys
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from artiq import *
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class Mandelbrot(EnvExperiment):
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"""Mandelbrot set demo"""
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def build(self):
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self.attr_device("core")
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def col(self, i):
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sys.stdout.write(" .,-:;i+hHM$*#@ "[i])
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def row(self):
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print("")
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# based on: http://warp.povusers.org/MandScripts/python.html
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@kernel
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def run(self):
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minX = -2.0
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maxX = 1.0
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width = 78
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height = 36
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aspectRatio = 2
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yScale = (maxX-minX)*(height/width)*aspectRatio
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for y in range(height):
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for x in range(width):
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c_r = minX+x*(maxX-minX)/width
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c_i = y*yScale/height-yScale/2
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z_r = c_r
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z_i = c_i
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for i in range(16):
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if z_r*z_r + z_i*z_i > 4:
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break
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new_z_r = (z_r*z_r)-(z_i*z_i) + c_r
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z_i = 2*z_r*z_i + c_i
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z_r = new_z_r
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self.col(i)
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self.row()
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