Re: defining a command

["Wolfgang Schuster" <schuster.wolfgang@googlemail.com>]

2007/12/17, Roger Mason <rmason@esd.mun.ca>:
> Hello,
>
> I have this definition:
>
> \def\oneplot#1#2#3%
> {\placefigure
>   [here][#3]
>   {\bfc #2}
>   {\hfil \scale[width=10.5cm]{#1} \hfil}
> }
>
> (It is modified from an example on the wiki that takes only the first
> two arguments).
>
> I use it like this:
>
> \oneplot
> % image
> % caption
> % reference
> {\externalfigure[Fluorita_green]}
> {Fluorite cleavage}
> {cleavage}
>
> but the reference is ignored and I get ?? in the compiled document.
>
> Could someone point out my error please?
>
> Cheers,
> Roger

\define[3]\oneplot
  {\placefigure[here][#3]{\bfc#2}{\scale[width=10.5cm]{#1}}}

\starttext
\oneplot{\blackrule[width=1cm,height=1cm]}{Blackrule}{plot:blackrule}
See at \in{Plot}[plot:blackrule].
\stoptext

Alternative solution with a real ConTeXt definition:

\definefloat[plot][plots][figure]
\setupfloat[plot][command={\scale[width=5cm]}]
\starttext
\placefigure{Blackrule}{\blackrule[width=1cm,height=1cm]}
\placeplot{Blackrule}{{\blackrule[width=1cm,height=1cm]}}
\stoptext

Wolfgang
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