TeX - LaTeX Asked by PerroNoob on August 30, 2021
I’m trying to insert a pgf
file that I made with matplotlib. This file references to a png
file (since I inserted a png figure in the plot).
When I put the png in the same folder than my tex
file, everything works, but if the png file is in the folder with the pgf file, i got an error
Package pgf Warning: File "plot2.png" not found when def
ining image "pgflastimage".
I was trying to use import
but I don’t know how it works for a pgf. If I change pgf by tex, it still doesn’t find the png:
documentclass{article}
usepackage{pgf}
usepackage{import}
begin{document}
% subimport{../pgf/}{plot.pgf} --> Not working
input{../pgf/plot.pgf}
end{document}
EDIT:
Changing pgfimage{...}
by includegraphics{...}
in the pgf file, seems to work with subimport*
. However, matplotlib produces the pgf with pgfimage
, so it would be necessary to change the output plots by hand. Maybe someone knows a better solution.
Edit: The matplotlib
backend has been updated to emit includegraphics
instead of pgfimage
. The best solution is to update matplotlib
if possible.
From what I found, there is no better way. This answer notes that pgfimage
uses includegraphics
, but does not propagate the relative paths. Looking through the matplotlib pgf backend source, changing pgfimage
to includegraphics
does not appear to be a configurable option on the matplotlib
side of the equation.
A work around I came up with was to intercept the output and update the appropriate lines.
# lots of plotting commands
fig.savefig(output)
_, ext = os.path.splitext(output)
if ext == ".pgf":
with open(output, "r") as fid:
lines = fid.readlines()
with open(output, "w") as fid:
for line in lines:
fid.write(re.sub(r"pgfimage", r"includegraphics", line))
This is really only a “solution” if you can edit the plotting routines.
Correct answer by Keith Prussing on August 30, 2021
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