I added support to the pdf backend for multipage pdf files. The current
API (which I'm not entirely happy with) is that you create a PdfFile
object, plot your figures, saving each one to the PdfFile object, and
then close the object. The part I'm unhappy about is that because
PdfFile is a file-like object - it has a write method - you can
accidentally save your figure as a png into it and get a broken pdf
file. You have to specify format='pdf' to savefig to avoid this.
Here's an example:
from matplotlib.backends.backend_pdf import PdfFile
pdf = PdfFile('multipage_pdf.pdf')
figure(...)
# build your figure
savefig(pdf, format='pdf')
# repeat for all your figures
pdf.close()
--
Jouni K. Seppänen
http://www.iki.fi/jks
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