Dear Sirs
Tanks a lot for the context software. I use it so much. I'm a
physics/chemistry teacher and for making personalized exams with random
numbers/questions the math.random() from lua is great. For draw schematic
diagrams/graphs with random arguments I use tikz inside luacode, like
context("\\addplot[blue, ultra thick] {"..slope.."*x-"..workfunction.."};").
However, it would be useful to use some pstricks packages. For example, the
package pst-spectra includes a set of spectrum of various chemical
elements. It is unique. Currently, I run latex and then import the pdf
file into context file. There are other old pstricks macros, but still very
useful, that i like to use. It's old, but useful. In the pstricks home page
(http://tug.org/PSTricks/main.cgi/) I can found some new work, with some
new packages and macros.
For now, if i try to run this simple code
\usemodule[pstric]
\starttext
\startPSTRICKS
\pspicture(0,0)(20,20)
\psline(0,0)(20,20)
\psline(1,1)(10,10)
\endpspicture
\stopPSTRICKS
\stoptext
I found this error message:
[...]
(/usr/local/texlive/2013/texmf-dist/tex/generic/pgf/utilities/pgffor.code.tex)
`PSTricks' v2.43 <2013/05/12> (tvz)
(/usr/local/texlive/2013/texmf-dist/tex/generic/pstricks/pstricks.con))
(/usr/local/texlive/2013/texmf-dist/tex/generic/pst-plot/pst-plot.tex
v1.45, 2013/04/29 (tvz,hv)
! Undefined control sequence.
\special@length ...ecial@length]{ #1|#2|#3 }\ifx!
#1\relax \edef
\pst@Specia...
\pssetlength ...ecial@length \pst@tempg \@nil {#1}
\ignorespaces
\pst@getlength #1#2->\pssetlength \pst@dimg {#1}
\edef #2{\pst@number\pst@di.
..
<argument> ...endcsname \expandafter {\XKV@tempa }
\relax \XKV@srstate{}{@\r...
\XKV@afterfi #1\fi ->\fi #1
\XKV@f@r ...nnil \expandafter \@gobbletwo \else #2
\expandafter \XKV@f@r \fi
...
...
l.219 \psset[pst-plot]{barwidth=0.25cm}
Thanks a lot for your support and for Context.
Jorge Manuel
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