On 11/03/07 01:34 -0500, Kamaraju Kusumanchi wrote:
> To reproduce the problem
> $cat square.gpi
> set terminal jpeg enhanced
^^^^^^^^
That's your problem, together with
> set ylabel 'Ux/U_J'
^^
An 'enhanced' terminal will try to plot U_J as 'U' with a subscript 'J'.
If you can live without the subscript, drop the 'enhanced' part; if not,
you'll need a font that support subscripts _and_ tell the gdlib where to
find the font (either by setting the environmental variable GDFONTPATH
or specifying the font directly):
set terminal jpeg enhanced font
"/usr/share/fonts/truetype/freefont/FreeSans.ttf"
should do the trick (the font is from ttf-freefont package).
Thomas
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