Plot/save line collection object without margins

Hello list,

I have LineCollection object: "l = matplotlib.collections.LineCollection()" which I want to save as image without any kind of margins.

What have I tried is following:

ax = plt.subplot(111)
ax.set_axis_off()
ax.add_collection(l)
ax.autoscale_view()
plt.savefig('img.png')

but there are still unwanted margins.

How to plot without margins?

Thanks

You might need to explicitly specify your axes object rather than relying on plt.subplot.
Try replacing 'ax = plt.sublplot(111)' with 'ax = plt.axes([0, 0, 1, 1])'.
Ryan

ยทยทยท

On 7/5/2013 12:44 PM, death jun wrote:

Hello list,

I have LineCollection object: "l = matplotlib.collections.LineCollection()" which I want to save as image without any kind of margins.

What have I tried is following:

ax = plt.subplot(111)
ax.set_axis_off()
ax.add_collection(l)
ax.autoscale_view()
plt.savefig('img.png')

but there are still unwanted margins.

How to plot without margins?

Thanks

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06.07.2013, 16:23, "Ryan Nelson":

You might need to explicitly specify your axes object rather than
relying on plt.subplot.
Try replacing 'ax = plt.sublplot(111)' with 'ax = plt.axes([0, 0, 1, 1])'.

Ryan, thanks for your reply
Your suggestion works perfectly

Cheers