On 2013/07/29 9:17 PM, Jeffrey Spencer wrote:
> I have three different versions of matplotlib that all output different
> file sizes with matplotlib 1.1.1 providing the smallest. This is for the
> same exact script. I can post the script if that helps.
>
> MPL 1.4.x: 539.32kb, Ubuntu 12.10
> MPL 1.1.1: 172.56kb Ubuntu 12.10
> MPL 1.2.1: 475.9kb, Ubuntu 13.04
>
> Is there a reason for this or why would such different file sizes be
> produced?? Also I tried using the matplotlib.use('cairo') with no
> difference. It actually says that the cairo backend is selected but the
> outputted pdf files show the matplotlib pdf backend was used.
>
I can't reproduce this failure to produce a pdf file with cairo. With
mpl 1.4.x,
import matplotlib
matplotlib.use('cairo')
import matplotlib.pyplot as plt
plt.plot([1,2,3])
plt.savefig("test.pdf")
The result is
efiring@manini3:~$ pdfinfo test.pdf
Creator: cairo 1.10.2 (http://cairographics.org)
Producer: cairo 1.10.2 (http://cairographics.org)
Tagged: no
Pages: 1
Encrypted: no
Page size: 576 x 432 pts
File size: 5261 bytes
Optimized: no
PDF version: 1.5
Repeating but without specifying the cairo backend I get:
efiring@manini3:~$ pdfinfo test_default.pdf
Creator: matplotlib 1.4.x, http://matplotlib.org
Producer: matplotlib pdf backend
CreationDate: Mon Jul 29 21:51:22 2013
Tagged: no
Pages: 1
Encrypted: no
Page size: 576 x 432 pts
File size: 5184 bytes
Optimized: no
PDF version: 1.4
Eric
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