tight savefig without axes in matplotlib

Question

When using a matplotlib to draw something without axes, savefig() isn't truly "tight":

import matplotlib.pyplot as plt

circ = plt.Circle((0, 0), 1.0)
plt.gca().add_artist(circ)
plt.gca().set_aspect("equal")
plt.axis("off")
# plt.show()
plt.savefig("out.svg", bbox_inches="tight")

That's because the SVG contains the hidden "background patch"

  <g id="patch_1">
   <path d="M 0 280.512 
L 280.512 280.512 
L 280.512 0 
L 0 0 
z
" style="fill:none;"/>
  </g>

How to remove it?

Could you try plt.savefig("out.svg", bbox_inches="tight", transparent=True)? — Sheldore
– Sheldore, Commented May 10, 2020 at 13:31
Maybe also set plt.gcf().patch.set_visible(False) before saving? — JohanC
– JohanC, Commented May 10, 2020 at 21:26

david · Accepted Answer · 2020-05-10 15:04:56Z

1

pad_inches option!

plt.savefig("out.svg", bbox_inches="tight", pad_inches=0)

answered May 10, 2020 at 15:04

david

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