[NTG-context] Text in Margin

[NTG-context] Text in Margin

[Jeroen]

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In a textbook I am looking to place a large left margin at every page of
each chapter. At left printed pages a left margin and at right printed
pages a right margin, so like a double sided construction. In this margin I
would like to place:

1. Keywords and small descriptions to emphasize some text from the textflow
2. Figures
3. An expansion of a table that is placed in the main textflow but that
needs to cover a wider range then the text area so it expands into the
margin

What is the the easiest way to achieve this?

Jeroen

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[NTG-context] Re: Text in Margin

[Wolfgang Schuster]

Jeroen schrieb am 19.02.2024 um 14:14:
> In a textbook I am looking to place a large left margin at every page of 
> each chapter. At left printed pages a left margin and at right printed 
> pages a right margin, so like a double sided construction. In this 
> margin I would like to place:

You can use a custom layout with a narrow text block and a wide 
rightmargin area.

> 1. Keywords and small descriptions to emphasize some text from the textflow

Use the \inright etc. commands or create your own commands based on 
\inright, look at the margindata mechanism for more information.

> 2. Figures

You can change the default location of figures from the text block to 
the margin area.

> 3. An expansion of a table that is placed in the main textflow but that 
> needs to cover a wider range then the text area so it expands into the 
> margin

In the example below I added a check to the table float to either center 
the small tables or align wide tables on the inner margin which extend 
into the margin area. While this method works in a simple example for a 
real document I suggest to create a clone of the table float (e.g. 
widetable) because the method in the example can lead to 
problems/limitations.

> What is the the easiest way to achieve this?

%%%% begin example
\setuppagenumbering
   [alternative=doublesided]

\setuplayout
   [width=10cm,
    rightmargin=6cm]

\showframe

\def\FloatTableALignment
   {\dowithnextbox
      {\ifdim\nextboxwd>\textwidth
         \doalignedline{inner}{\flushnextbox}%
       \else
         \flushnextbox
       \fi}
      \hbox}

\setupfloat[table][command=\FloatTableALignment]

\setupfloat[figure][default=rightmargin]

\starttext

\inright{Lorem ipsum \unknown}\samplefile{lorem}

\startplacefigure
   \externalfigure[dummy][width=\rightmarginwidth]
\stopplacefigure

\samplefile{lorem}

\startplacetable
   \bTABLE
     \bTR
       \bTD one \eTD
       \bTD two \eTD
       \bTD three \eTD
     \eTR
   \eTABLE
\stopplacetable

\samplefile{lorem}

\startplacetable
 
\bTABLE[textwidth=\dimexpr\textwidth+\rightmarginwidth+\rightmargindistance\relax,option=stretch]
     \bTR
       \bTD one \eTD
       \bTD two \eTD
       \bTD three \eTD
     \eTR
   \eTABLE
\stopplacetable

\samplefile{lorem}

\stoptext
%%% end example

Wolfgang
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[NTG-context] Re: Text in Margin

[Henning Hraban Ramm]

Am 19.02.24 um 14:14 schrieb Jeroen:
> In a textbook I am looking to place a large left margin at every page of 
> each chapter. At left printed pages a left margin and at right printed 
> pages a right margin, so like a double sided construction. In this 
> margin I would like to place:
> 
> 1. Keywords and small descriptions to emphasize some text from the textflow
> 2. Figures
> 3. An expansion of a table that is placed in the main textflow but that 
> needs to cover a wider range then the text area so it expands into the 
> margin
> 
> What is the the easiest way to achieve this?

Generally, you use \inmargin, \inouter etc.

Additional to Wolfgang’s suggestions:

If you need sidefloats that cover not only the margin but should 
decrease the text width, you can move sidefloats into the margin like:

\startplacefigure[title={},location=outer]
\offset[rightoffset=-\marginwidth]{\externalfigure[cow][width=0.5\textwidth]}
\stopplacefigure

Beware: it doesn’t work well with captions (I’ve still no solution that 
always works), and \offset understands only rightoffset and leftoffset, 
not outeroffset.
The example is on a right page; you must “pull” the image into the 
margin (rightmargin with negative value), if you try „pushing“ with 
leftoffset=\marginwidth, the text flow is wrong.

Hraban
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