[NTG-context] scaling reusableMPgraphic & some ConTeXt programming

[Hans Hagen]

Mojca Miklavec wrote:
> On 7/24/06, Hans Hagen wrote:
>   
>> Mojca Miklavec wrote:
>>     
>>> Hello,
>>>
>>> the answers to these three questions are most probably one-liners, but
>>> I don't know which ones ;)
>>>
>>> 1. How can I scale (an already defined) reusableMPgraphic? Simplified
>>> example of what I currently (want to) have:
>>>
>>> % how should I change this definition?
>>> \def\usemygraphic[#1][#2]{\reuseMPgraphic{#1}}
>>> \usemygraphic[name][width=.7\textwidth]
>>>
>>>       
>> \def\usemygraphic[#1][#2]{\scale[#2]{\reuseMPgraphic{#1}}
>>
>> \usempgraphic[name][width=4cm,height=5cm]
>>
>> \scale accepts the same scaling options as externalfigure
>>     
>
> Thanks to both you and Taco!
>
>   
>> why do you need a counter
>>     
>
>   
>>> 3. I would like to change \usemygraphic, so that
>>> \usemygraphic[othername] or \usemygraphic[othername][height=5cm] would
>>> resolve to
>>>     \dorecurse{2}{\useMPgraphic{gpg:othername:\recurselevel}}
>>> and \usemygraphic[name][n={1,3},width=8cm] (syntax might be different
>>> if necessary) to
>>>     \reuseMPgraphic{gpg:name:1}
>>>     \reuseMPgraphic{gpg:name:3}
>>> (with proper scaling if possible).
>>>
>>>       
>> you want all graphics?
>>
>> \def\usemygraphic#1%
>>   {\doloop
>>      {\doifMPgraphicelse{gpg:#1:\recurselevel}
>>         {\reuseMPgraphic{gpg:name:\recurselevel}}
>>         {\exitloop}}}
>>
>> or so ...
>>     
>
> Wow! No, I don't need a counter in that case ;)
>
> Just a little detail: Yes, I want all the graphics except if the user
> provides "n={1,3}" or "n=4", then I would like to output only the ones
> specified. I know that this is a trivial question, but how do I
> extract the argument of "n=..." to \processcommalist on it?
>   
depends on how you store it (say in requestedlist), anyhow testing is simple



\def\usemygraphic#1%
  {\doloop
     {\doifMPgraphicelse{gpg:#1:\recurselevel}
        {\expanded{\doifinset{\recurselevel}{requestedlist}}{\reuseMPgraphic{gpg:name:\recurselevel}}}
        {\exitloop}}}


or so

> And yet another short&stupid question: when does \c!something=\v!value
> work? I tried to change \setupGNUPLOT[terminal=context] into
> [\c!terminal=\v!context] (in \unprotect-ed area), but I get a
> command-undefined error.
>
> Thanks,
>     Mojca
> _______________________________________________
> ntg-context mailing list
> ntg-context at ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>   


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