matplotlib: how to hide grey border around the plot

Question

Hi! I'd like to save figurecanvas as bitmap and don't need grey border around the plot in it. How can I hide this?

Answer 1

I believe that savefig will not include the gray border by default. However, .bmp is not support by savefig; use .png instead.

import pylab
f = pylab.figure()
ax = f.add_axes([0.1, 0.1, 0.8, 0.8])
ax.plot([1,2,3],[4,5,6])
f.savefig('image.png')

Output:

Answer 2

Thanks, Steve. But the thing is that it is difficult at the current stage to change functionality. I get a figurecanvas as input for something like this:

buffer = figurecanvas.tostring_rgb()

bitmap = wx.BitmapFromBuffer(w_canvas, h_canvas, buffer)

So I need to make ready the figurecanvas so that it doesnt contain anything but a core plot.

Answer 3

I found it: subplots_adjust.