Hello, I've noticed a bug with matplotlib.pyplot.imsave. Say I have an array that is 1000*1000. This works perfectly:
pylab.imsave(outfile,data,format='png',origin='lower') and I get image1.png. However, if the array is not a square, say 1000*1500, then the output image is rotated 90 degrees compared to the image it prints out. Example, image2.png. I tried numpy.rot90(frame) to rotate my data, and though my data did rotate, so did the output frame. Example, image3.png. If there is a way around this, please let me know. Otherwise, it should be fixed ;) Cheers, Rachel
#! /usr/bin/env python
import numpy as N
import pylab as P
if __name__=='__main__':
plotdir = '/Users/randers/Desktop/'
xx = 1000
yy = 1000
outfile = plotdir + 'image1.png'
#yy = 1500
#outfile = plotdir + 'image2.png'
#outfile = plotdir + 'image3.png'
data = N.empty((xx,yy))
for i in range(xx):
for j in range(yy):
data[i,j] = i * i
#data = N.rot90(data)
P.imsave(outfile,data,format='png',origin='lower')
print'Saved file to: ',outfile
<<attachment: image3.png>>
<<attachment: image2.png>>
<<attachment: image1.png>>
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