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I use code as below to plot graphs and save fig to png files, but all png files are not in the same size (width x height), how can I let all of them in the same size?

fig, ax = plt.subplots(nrows=1, ncols=1, figsize(20, 10))
fig.savefig('myImage.png', bbox_inches='tight', dpi=300)

The png files size (width x height) as below, does anyone help me?

enter image description here

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  • did you try setting figsize in subplots? Commented May 3, 2024 at 6:57
  • do you mean that I have to set figsize = (20, 10) for fixed 6000 x 3000 when dpi is 300? Commented May 3, 2024 at 7:33
  • I am doing some trial and error with different image types. Compression seems to be the main issue... Commented May 3, 2024 at 7:39
  • I only use for png image. Commented May 3, 2024 at 7:54
  • See my answer, I mistook resolution for file size... Commented May 3, 2024 at 8:07
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