[Octave-bug-tracker] [bug #59546] Missing latex interpreter

[Pantxo Diribarne]

Follow-up Comment #8, bug #59546 (project octave):

@Markus: Yes, the Qt5Svg module is required. I have no strong opinion on
whether it should be possible to build without it, but anyway, this can be
taken care last. 

You'll also need three binaries: latex, dvipng (for onscreen rendering), and
dvisvgm (for printing). If thos binaries are not on the path, you can provide
their location throught three environment variables: OCTAVE_LATEX_BINARY,
OCTAVE_DVIPNG_BINARY OCTAVE_DVISVG_BINARY.

I attached an updated version of the patch that fixes a few issues. For me,
with this patch (but also with the previous one), using the latex interpreter
is then as easy as

clf;
sombrero ();
xlabel ("$x$", "interpreter", "latex")
ylabel ("$y$", "interpreter", "latex")
zlabel ('$\frac{\sqrt{x^2+y^2}}{x^2+y^2}$', "interpreter", "latex");
print -dpdfcrop -svgconvert sombrero.pdf
print sombrero.png


This produces the following image (png and pdf attached).



(file #51059, file #51060, file #51061)
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Additional Item Attachment:

File name: bug59546.patch                 Size:59 KB
    <https://file.savannah.gnu.org/file/bug59546.patch?file_id=51059>

File name: sombrero.pdf                   Size:247 KB
    <https://file.savannah.gnu.org/file/sombrero.pdf?file_id=51060>

File name: sombrero.png                   Size:135 KB
    <https://file.savannah.gnu.org/file/sombrero.png?file_id=51061>



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