Re: How does \setupfloat work?

[Christoph Reller <christoph.reller@gmail.com>]

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>
> On Sat, Nov 29, 2014 at 11:03 AM, Hans Hagen <pragma@wxs.nl> wrote:
>
> > On 11/29/2014 10:49 AM, Mark Szepieniec wrote:
> >
> >> I'm trying to set a default width for figures with \setupfloat. However,
> >> the command doesn't seem to be picking up the width specification, even
> >> though the manual indicates it accepts a width= argument:
> >>
> >> \setupfloat[figure][width=2cm]
> >>
> >> \starttext
> >>
> >> \placefigure{}{\externalfigure[picture.png]}
> >>
> >>
> >> \stoptext
> >>
> >
> > just
> >
> > \placefigure{}{\externalfigure[picture.png][width=2cm]}
> >
> >
> >
> >> picture.png just gets inserted at its native size, rather than scaled to
> >> have the specified width. What am I doing wrong? (setting minwidth
> >> and/or maxwidth doesn't seem to work either)
> >>
> >> Thanks in advance for any assistance.
> >>
> >> Mark
>
> Sorry, I should have mentioned I was able to work around it by doing
> exactly that, but I'd rather not have to edit all the \placefigure
> instances if I decide to change the width.
>
> Also I'd like to use a different default width for graphics, so
> \setupexternalfigures[width=XXXcm] wouldn't work well either.
>
> I realize I could define my own macros or something to solve this, but I'm
> just puzzled that setting width in \setupfloat[figure] doesn't work. Am I
> reading the manual wrong, or is is just not implemented yet or something?
> (honest question)
>
> Thanks for your response,
>
> Mark
>

Hi Mark,
You can use \defineexternalfigure as in the following example.

\defineexternalfigure[whatever][width=2cm]
\starttext
\placefigure{}{\externalfigure[picture.png][whatever]}
\stoptext

See also http://wiki.contextgarden.net/Floating_Objects

Christoph

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