Hi,
I have an interesting problem using fonts in matplotlib on OS X 10.4.
When I use a font other than the Bitstream Vera provided with MPL
0.90.0, I cannot create readable eps files. More specifically, if I
use a font from the OS X system choices, MPL happily creates an eps
file, but it causes errors in preview, imagemagick, and ps2pdf. This
occurs if I use either the PS or the TkAgg backend to create the eps
file:
[EMAIL PROTECTED] test]$ ps2pdf test.eps
Error: /invalidfont in -dict-
Operand stack:
Futura-Medium --dict:11/14(L)-- Font Futura-Medium --dict:
11/14(L)-- Futura-Medium
Execution stack:
%interp_exit .runexec2 --nostringval-- --nostringval-- --
nostringval-- 2 %stopped_push --nostringval-- --
nostringval-- --nostringval-- false 1 %stopped_push 1 3
%oparray_pop 1 3 %oparray_pop --nostringval-- 1 3 %
oparray_pop 1 3 %oparray_pop .runexec2 --nostringval-- --
nostringval-- --nostringval-- 2 %stopped_push --
nostringval-- 2 4 %oparray_pop 3 4 %oparray_pop --
nostringval-- --nostringval-- --nostringval-- 7 5 %
oparray_pop --nostringval-- 7 5 %oparray_pop
Dictionary stack:
--dict:1120/1686(ro)(G)-- --dict:0/20(G)-- --dict:75/200
(L)-- --dict:6/7(L)-- --dict:17/17(ro)(G)--
Current allocation mode is local
Last OS error: 2
Current file position is 618791
AFPL Ghostscript 8.51: Unrecoverable error, exit code 1
However, if the output is NOT eps, I can create and view pdf, png,
and TkAgg plots with whatever font I choose. A code sample that
produces the above error on eps output is below.
I hope someone might be able to shed some light on my problem. I have
not been able to test the eps file on another platform; the bug may
well rest on OS X outside of MPL. Unfortunately, I need eps files for
a journal, and I would like to use a font other than Vera.
thanks,
jeff oishi
#!/usr/bin/env python
from matplotlib import rcParams
import pylab as P
import numpy as N
#this makes no difference
#rcParams['backend'] = 'PS'
rcParams['backend'] = 'TkAgg'
# this fails
rcParams['font.family'] = 'sans-serif'
rcParams['font.sans-serif'] = 'Futura'
# this succeeds
#rcParams['font.family'] = 'serif'
#rcParams['font.serif'] = 'Bitstream Vera Serif'
if __name__ == "__main__":
x = N.linspace(0,2*N.pi,1000)
y = N.sin(x)
P.plot(x,y)
P.xlabel('test')
P.ylabel('another test')
P.savefig('test.eps')
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