Matplotlib.pdf

节选段落一：
Note: The following backends work out of the box: Agg, ps, pdf, svg
Python is typically shipped with tk bindings which are used by TkAgg.


节选段落二：
Here is a summary of the Matplotlib renderers (there is an eponymous backend for each; these are non-
interactive backends, capable of writing to a file):
Ren-
derer
Filetypes Description
AGG png raster graphics -- high quality images using the Anti-Grain Geometry en-
gine
PDF pdf vector graphics --


节选段落三：
Portable Document Format
PS ps, eps vector graphics -- Postscript output
SVG svg vector graphics -- Scalable Vector Graphics
PGF pgf, pdf vector graphics -- using the pgf package
Cairo png, ps, pdf,
svg
raster or vector graphics -- using the Cairo library
To save plots using the non-interactive backends