[PyX-devel] [ pyx-Support Requests-2802563 ] TeX interface

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Support Requests item #2802563, was opened at 2009-06-07 19:04
Message generated for change (Comment added) made by wobsta
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Category: None
Group: None
>Status: Closed
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: TeX interface

Initial Comment:
I'm having a lot of trouble adding titles to graphs with symbols that TeX wants to interpret.  Is there a good way to title a graph ("Data from file" + path) where the path name contains both back slashes and underscores?

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>Comment By: Andre Wobst (wobsta)
Date: 2011-05-15 11:18

Message:
You can use pyx.text.escapestring() for the conversion.

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Comment By: Axel Freyn (freynaxe)
Date: 2009-07-02 12:16

Message:
As PyX depends on TeX / LaTeX to create text, the easiest solution will be
to convert the string into a form acceptable to TeX / LaTeX.  You could
define a function to do this.
For me, the following works perfectly:

from pyx import *

def CleanString(s):
  s = a.replace("\\",r"\textbackslash ")
  s = s.replace("_","\\_")
  return s

text.set(mode="latex")
c = canvas.canvas()
c.text(0,0,CleanString("a\\b_c"))
c.writePDFfile("test")


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