Am 11.04.2012 um 14:07 schrieb Mojca Miklavec:
> On Wed, Apr 11, 2012 at 11:00, John Devereux wrote:
>>
>> Hi all,
>>
>> Is there a problem with gnuplot? I get an error with the minimal example
>> on the wiki.
>>
>> text.tex:
>>
>> \usemodule[gnuplot]
>>
>> % write a script for gnuplot
>> \startGNUPLOTscript[sin]
>> plot sin(x)
>> \stopGNUPLOTscript
>>
>> % include the resulting graphic into the document
>> \useGNUPLOTgraphic[sin]
>>
>> ======================================================================
>>
>> ! Missing number, treated as zero.
>>
>> system > tex > error on line 0 in file : Missing number, treated as
>> zero ...
>>
>> <empty file>
>>
>> <to be read again>
>> \let
>> \doprocessGNUPLOTfile ...OTnumber \zerocount \let
>> \normalstarttikzpicture
>> =\...
>> <argument> ...NUPLOTfile [sin][\@@GNUPLOTresult ]}
>> \doif {\@@GNUPLOTterminal
>> ...
>> \firstofoneargument #1->#1
>>
>> <argument> ...}\writeandprocessGNUPLOTscript {sin}
>> \doifelse
>> {\@@GNUPLOTtermi...
>> \firstoftwoarguments #1#2->#1
>>
>> ...
>> <*> ./test.tex \stoptext
>>
>> ?
>
> Oh, indeed. It seems that a recent change in ConTeXt core broke
> functionality of the module (the version I tested on earlier worked
> fine).
>
> I'm not sure if I know where to start digging for the problem. There
> are some more experienced developers here, but I can try. (Though I
> take all the blame on me for not adapting the module to MKIV yet.)
You’re mixing counter mechanism in the module.
You define a new counter with
\newcounter\tikzGNUPLOTnumber
and later you reset it with
\setcounter\tikzGNUPLOTnumber\zerocount
Both commands are from different mechanism where the \setcounter is from
\makecounter is was removed in MkIV because the internal commands for
\definenumber have changed to \definecounter, \incrementcounter, \setcounter
etc.
To reset a \newcounter command you can write \newcounter\… (or
\doglobal\newcounter\…).
Wolfgang
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