Hello,

this minimal example (copied from http://wiki.contextgarden.net/Pgfplot and simplified)

---- t-Plot4.mkiv
\usemodule[pgfplots]

\starttext
    \starttikzpicture
      \startaxis
        \addplot[mark=none,color=red] plot file {sapphire.dat};
      \stopaxis
    \stoptikzpicture
\stoptext
----

worked with

"
This is LuaTeX, Version beta-0.70.2-2012111114 (TeX Live 2012/W32TeX)
   \write18 enabled.
(c:/ConTeXt/tex/texmf-context/tex/context/base/cont-yes.mkiv

ConTeXt  ver: 2012.11.26 13:31 MKIV  fmt: 2012.11.27  int: english/english
"

- but doesn't work with

"
This is LuaTeX, Version beta-0.78.3 (TeX Live 2013/W32TeX) (rev 4809)
   \write18 enabled.
(d:/Ctx-Beta/tex/texmf-context/tex/context/base/cont-yes.mkiv

ConTeXt  ver: 2014.02.14 17:07 MKIV beta  fmt: 2014.3.6  int: english/english
"

- error:

"
...
l.6 ...ark=none,color=red] plot file {sapphire.dat};

! Package PGF Math Error: Could not parse input 'b' as a floating point number, sorry. The unreadable part was near 'b'...

system          > tex > error on line 6 in file sapphire.dat:  ...

1     a b
2     1 2
3     10 20
4     30 -30
5


\pgfmath@PackageError ...e {Package #1 Error: #2.}

\pgfkeysifdefined ...ifcsname pgfk@#1\endcsname #2
                                                    \else #3\fi
\pgfkeys@unpack ...pgfeov \else \pgfkeys@case@one
                                                    \fi \fi
\pgfkeys@@normal ...pgfkeysnovalue =\pgfkeys@stop
                                                    \pgfkeys@parse
\pgfkeys@@set ... \pgfkeys@root \pgfkeys@parse #2,
                                                    \pgfkeys@mainstop \def \pg...
\pgfmathfloatparsenumber@handleerror ...={#2}{#3}}
                                                    \ifx \pgfmathresult \pgfut...
...
"

Header-like (first) row is no more recognized/ignored? A (new?) pgfplot option must be specified?

Thanks in advance.

Best regards,

Lukas


-- 
Ing. Lukáš Procházka [mailto:LPr@pontex.cz]
Pontex s. r. o.      [mailto:pontex@pontex.cz] [http://www.pontex.cz]
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