\externafigure and \at do not work together

\externafigure and \at do not work together

[a badin via ntg-context]

Hello, perhaps this is how it is supposed to work, but:

\externalfigure[clock.jpg][clock]
\starttext
\at[clock] refers to a clock
\stoptext

produces "?? refers to a clock", instead of "1 refers a clock" --- the
wiki of \at says, that labels of figures can be refered to. Is this a
bug, or can only some labels be refered to? I was able to fix it
using:

\reference[clock]{\externalfigure[clock.jpg]}
\starttext
\at[clock] refers to a clock
\stoptext

and

\externalfigure[clock][]
\starttext
\at
\stoptext

produces an interesting artwork... so I thought maybe this could be a
bug. LMTX 2021.10.21

Best,
Andrej
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Re: \externafigure and \at do not work together

[a badin via ntg-context]

The fix is not really a fix thought, as it makes the image of the
figure disappear.
Still don't know how to make a .jpg work with \at

On Sun, 31 Oct 2021 at 13:07, a badin <andrej.badin@gmail.com> wrote:
>
> Hello, perhaps this is how it is supposed to work, but:
>
> \externalfigure[clock.jpg][clock]
> \starttext
> \at[clock] refers to a clock
> \stoptext
>
> produces "?? refers to a clock", instead of "1 refers a clock" --- the
> wiki of \at says, that labels of figures can be refered to. Is this a
> bug, or can only some labels be refered to? I was able to fix it
> using:
>
> \reference[clock]{\externalfigure[clock.jpg]}
> \starttext
> \at[clock] refers to a clock
> \stoptext
>
> and
>
> \externalfigure[clock][]
> \starttext
> \at
> \stoptext
>
> produces an interesting artwork... so I thought maybe this could be a
> bug. LMTX 2021.10.21
>
> Best,
> Andrej
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Re: \externafigure and \at do not work together

[Bruce Horrocks via ntg-context]

I thought it was necessary to use one of the derivations of \placefloat in order to get the reference generated. In your case this would be \placefigure thus:

\starttext
\placefigure [ ] [clock] { } {\externalfigure[clock.jpg]}
\at[clock] refers to a clock
\stoptext


> On 31 Oct 2021, at 12:49, a badin via ntg-context <ntg-context@ntg.nl> wrote:
> 
> The fix is not really a fix thought, as it makes the image of the
> figure disappear.
> Still don't know how to make a .jpg work with \at
> 
> On Sun, 31 Oct 2021 at 13:07, a badin <andrej.badin@gmail.com> wrote:
>> 
>> Hello, perhaps this is how it is supposed to work, but:
>> 
>> \externalfigure[clock.jpg][clock]
>> \starttext
>> \at[clock] refers to a clock
>> \stoptext
>> 
>> produces "?? refers to a clock", instead of "1 refers a clock" --- the
>> wiki of \at says, that labels of figures can be refered to. Is this a
>> bug, or can only some labels be refered to? I was able to fix it
>> using:
>> 
>> \reference[clock]{\externalfigure[clock.jpg]}
>> \starttext
>> \at[clock] refers to a clock
>> \stoptext
>> 
>> and
>> 
>> \externalfigure[clock][]
>> \starttext
>> \at
>> \stoptext
>> 
>> produces an interesting artwork... so I thought maybe this could be a
>> bug. LMTX 2021.10.21
>> 
>> Best,
>> Andrej
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

—
Bruce Horrocks
Hampshire, UK

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Re: \externafigure and \at do not work together

[Otared Kavian via ntg-context]

Hi,

Your example has two issues, since you invoke \externalfigure before \starttext, and moreover you don’t use the place figure mechanism.
The following gives the result you want:

\setupinteraction[state=start]
\starttext
\startplacefigure[reference=clock]
	\externalfigure[clock.jpg]
\stopplacefigure
In figure \at[clock] you see a clock
\page
In figure \at[clock] you see a clock. 

Or better: in \in{Figure}[clock] you see a clock.
\stoptext

Best regards: Otared

> On 31 Oct 2021, at 13:49, a badin via ntg-context <ntg-context@ntg.nl> wrote:
> 
> The fix is not really a fix thought, as it makes the image of the
> figure disappear.
> Still don't know how to make a .jpg work with \at
> 
> On Sun, 31 Oct 2021 at 13:07, a badin <andrej.badin@gmail.com> wrote:
>> 
>> Hello, perhaps this is how it is supposed to work, but:
>> 
>> \externalfigure[clock.jpg][clock]
>> \starttext
>> \at[clock] refers to a clock
>> \stoptext
>> 
>> produces "?? refers to a clock", instead of "1 refers a clock" --- the
>> wiki of \at says, that labels of figures can be refered to. Is this a
>> bug, or can only some labels be refered to? I was able to fix it
>> using:
>> 
>> \reference[clock]{\externalfigure[clock.jpg]}
>> \starttext
>> \at[clock] refers to a clock
>> \stoptext
>> 
>> and
>> 
>> \externalfigure[clock][]
>> \starttext
>> \at
>> \stoptext
>> 
>> produces an interesting artwork... so I thought maybe this could be a
>> bug. LMTX 2021.10.21
>> 
>> Best,
>> Andrej
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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___________________________________________________________________________________

Re: \externafigure and \at do not work together

[Wolfgang Schuster via ntg-context]

Otared Kavian via ntg-context schrieb am 31.10.2021 um 18:11:
> Hi,
>
> Your example has two issues, since you invoke \externalfigure before \starttext, and moreover you don’t use the place figure mechanism.
> The following gives the result you want:
>
> \setupinteraction[state=start]
> \starttext
> \startplacefigure[reference=clock]
> 	\externalfigure[clock.jpg]
> \stopplacefigure
> In figure \at[clock] you see a clock
> \page
> In figure \at[clock] you see a clock.
>
> Or better: in \in{Figure}[clock] you see a clock.
> \stoptext

With \in you the value of the float counter while \at shows the page 
where the float is placed.


The original example passed a name to the optional argument of 
\externalfigure but when you do this you just access a named list of 
figure options, e.g. rotating the image by 90 degrees counter clockwise.

\setupexternalfigures[location={local,global,default}]

\defineexternalfigure[rotated][orientation=90]

\starttext
\externalfigure[hacker.jpg][rotated]
\stoptext

Wolfgang

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