Re: Page printed upside down

[Pablo Rodriguez <oinos@gmx.es>]

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On 10/21/2017 11:45 PM, Fabrice Couvreur wrote:
> Hi Pablo,
> Sorry for the late response. I did some tests before answering to
> understand your explanations.

Hi Fabrice,

the basic idea is the paper orientation matches the printing option (if
any).

> - With the command \setupinteractionscreen [option = landscape] and
> without selecting anything in Acrobat, I get a document in double-sided
> portrait mode but the back side is upside down

\setupinteractionscreen[option=portrait] would be the right option here.
It is double-sided (duplex) printing for portrait orientation.

Consider that ConTeXt has \setuppapersize[A4, portrait] as default.

> - With the command \setuppapersize [A4, landscape] and without
> selecting anything in Acrobat, I get two documents in landscape mode in
> the same direction

You got two printed sheets instead of one. To get only one, you need to
specify duplex printing (as explained above). Otherwise, your printer
would print as its default properties specify.

There is even a \setupinteractionscreen[option=page] option, which
enables single-sided (or simplex) printing. This is required for
printers that are configured to print doublesided per default.

> I think it's clear now, thank you.

I hope it may be clearer after my explanation.

> I did a try to get a booklet but the result is not correct because the
> text or formulas of mathematics are overflowing in the colums

Sorry, but overflowing is normal here, the formula has too many data to
fit in that column width.

I would discourage the use of columns to create the booklet.

My advice would be to compose the standard text and then impose the pages:

\starttext
  \dorecurse{4}{\chapter{Chapter \Romannumerals{\recurselevel}}
  \section{\TeX}\input knuth\par
                \section{Zapf}\input zapf\par
\section{Math}
\startformula
    \startmathalignment[n=2,align={left,left}]
    \NC P_1 + P_2 + \dots + P_{12} \NC = 400 + 400\times 1,05 +
400\times 1,05^2 + \dots + 400 \times 1,05^{11}\NR
    \NC  \NC = 400\times (1 + 1,05 + 1,05^2 + \dots + 1,05^{11})\NR
    \NC  \NC = 400\times \frac{1-1,05^{12}}{1-1,05}\approx 6\,367.\NR
    \stopmathalignment
\stopformula}
\stoptext

And then use the following code with the output PDF document from the
code above:

    \setuppapersize [A5][A4,landscape]
    \setupexternalfigures[interaction=all]
    \enabledirectives[references.border]
    \setuparranging [2UP]
    \setuplayout
      [backspace=0pt,
        topspace=0pt,
           width=middle,
          height=middle,
        location=middle,
          header=0pt,
          footer=0pt]
    \setupinteraction[state=start]
    \setupinteractionscreen[option={landscape, fixed, paper}]
    \starttext
    \insertpages[document.pdf][width=0pt]
    \stoptext

You should get something similar to the attached booklet.

Of course, you may have to increase font size in the original document.
But to know which increase in size the font needs, you have to check it
in the printed version of the final booklet.

With an already released booklet,
https://github.com/ousia/from-pandoc-to-context/blob/master/doc/from-pandoc-to-context_A4.pdf
is the basis to be imposed in the final booklet
https://github.com/ousia/from-pandoc-to-context/blob/master/doc/from-pandoc-to-context_A4-booklet.pdf.

The approach I’m suggesting is simpler and easier to implement.

Just in case it helps,

Pablo
-- 
http://www.ousia.tk

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