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52 lines
1.2 KiB
Python
Executable file
52 lines
1.2 KiB
Python
Executable file
# For detailed comments on animation and the techniqes used here, see
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# the wiki entry http://www.scipy.org/Cookbook/Matplotlib/Animations
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import matplotlib
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matplotlib.use('TkAgg')
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import sys
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import pylab as p
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import numpy as npy
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import time
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ax = p.subplot(111)
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canvas = ax.figure.canvas
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# create the initial line
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x = npy.arange(0,2*npy.pi,0.01)
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line, = p.plot(x, npy.sin(x), animated=True, lw=2)
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def run(*args):
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background = canvas.copy_from_bbox(ax.bbox)
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# for profiling
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tstart = time.time()
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while 1:
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# restore the clean slate background
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canvas.restore_region(background)
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# update the data
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line.set_ydata(npy.sin(x+run.cnt/10.0))
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# just draw the animated artist
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ax.draw_artist(line)
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# just redraw the axes rectangle
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canvas.blit(ax.bbox)
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if run.cnt==1000:
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# print the timing info and quit
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print 'FPS:' , 1000/(time.time()-tstart)
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sys.exit()
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run.cnt += 1
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run.cnt = 0
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p.subplots_adjust(left=0.3, bottom=0.3) # check for flipy bugs
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p.grid() # to ensure proper background restore
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manager = p.get_current_fig_manager()
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manager.window.after(100, run)
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p.show()
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