[NTG-context] Re: calculate ...
Hello Ric, Wolfgang and Hans,
that was very enlightening. Thank you very much for your explanations,
advice and tips.
Greetings
Thomas
Am 03.03.25 um 16:27 schrieb Wolfgang Schuster:
Am 03.03.2025 um 15:46 schrieb Rik Kabel:
On 2025-03-03 08:43, Thomas Meyer wrote:
You mean that:
% Set the textarea width to 2.6 alphabets.
\setbox\scratchbox\hbox{\dorecurse{26}{\character\recurselevel}}
\newdimen\Width \Width=\dimexpr(2.6\wd\scratchbox)
That's something I don't understand! What is a 2.6 alphabet? What
means "scratchbox", "2.6\wd" ... ?
This is straight TeX (not the higher-level nicety of ConTeXt). What
it does is create a throw-away box (a scratchbox) and sets in it
horizontally one lower case alphabet of the current body font. It
creates that alphabet by setting \character{1}\character{2}...
\character{26} using a loop. It then measures the width of the box
holding the 26 characters (\wd\scratchbox) and multiplies that by
2.6, depositing the result in \Width.
A more ConTeXt-y way to do this might be:
\def\Alphabet{abcdefghijklmnopqrstuvwxyz}
\setupbodyfont[libertinus,12pt]
\setwidthof\Alphabet\to\AlphabetWidth
and then use width=2.6\AlphabetWidth in your layout
You can also use the avarage character width of the main language but
at the moment it's limited to the four languages shown in the example.
\startsetups[averagecharwidth]
\page
\mainlanguage[#1]
\setuplayout[width=70\averagecharwidth]
\starttabulate
\NC Language \EQ \currentmainlanguage \NC\NR
\NC Textwidth \EQ \PtToCm{\the\textwidth} \NC\NR
\stoptabulate
\samplefile{lorem}
\stopsetups
\showframe[text][text]
\starttext
\setupwithargument{averagecharwidth}{en}
\setupwithargument{averagecharwidth}{nl}
\setupwithargument{averagecharwidth}{de}
\setupwithargument{averagecharwidth}{pt}
\stoptext
Wolfgang
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[NTG-context] Re: calculate ...
Am 03.03.2025 um 15:46 schrieb Rik Kabel:
On 2025-03-03 08:43, Thomas Meyer wrote:
You mean that:
% Set the textarea width to 2.6 alphabets.
\setbox\scratchbox\hbox{\dorecurse{26}{\character\recurselevel}}
\newdimen\Width \Width=\dimexpr(2.6\wd\scratchbox)
That's something I don't understand! What is a 2.6 alphabet? What
means "scratchbox", "2.6\wd" ... ?
This is straight TeX (not the higher-level nicety of ConTeXt). What it
does is create a throw-away box (a scratchbox) and sets in it
horizontally one lower case alphabet of the current body font. It
creates that alphabet by setting \character{1}\character{2}...
\character{26} using a loop. It then measures the width of the box
holding the 26 characters (\wd\scratchbox) and multiplies that by 2.6,
depositing the result in \Width.
A more ConTeXt-y way to do this might be:
\def\Alphabet{abcdefghijklmnopqrstuvwxyz}
\setupbodyfont[libertinus,12pt]
\setwidthof\Alphabet\to\AlphabetWidth
and then use width=2.6\AlphabetWidth in your layout
You can also use the avarage character width of the main language but at
the moment it's limited to the four languages shown in the example.
\startsetups[averagecharwidth]
\page
\mainlanguage[#1]
\setuplayout[width=70\averagecharwidth]
\starttabulate
\NC Language \EQ \currentmainlanguage\NC\NR
\NC Textwidth \EQ \PtToCm{\the\textwidth} \NC\NR
\stoptabulate
\samplefile{lorem}
\stopsetups
\showframe[text][text]
\starttext
\setupwithargument{averagecharwidth}{en}
\setupwithargument{averagecharwidth}{nl}
\setupwithargument{averagecharwidth}{de}
\setupwithargument{averagecharwidth}{pt}
\stoptext
Wolfgang
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[NTG-context] Re: calculate ...
On 3/3/2025 4:13 PM, Wolfgang Schuster wrote:
Am 03.03.2025 um 04:22 schrieb Rik Kabel:
Other than that, it does a fine job. Perhaps best practice calls for
\relax at the end of some of the \dimexprs, but that isn't necessary
in this case.
You can also use braces to limit the argument for \dimexpr. Hans added
this feature at the begin of the year to Luametatex.
\starttext
\the\dimexpr{2pt+3pt}
\stoptext
best use \dimexpression which is also a bit more flexible
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] Re: calculate ...
Am 03.03.2025 um 04:22 schrieb Rik Kabel:
Other than that, it does a fine job. Perhaps best practice calls for
\relax at the end of some of the \dimexprs, but that isn't necessary in
this case.
You can also use braces to limit the argument for \dimexpr. Hans added
this feature at the begin of the year to Luametatex.
\starttext
\the\dimexpr{2pt+3pt}
\stoptext
Wolfgang
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[NTG-context] Re: calculate ...
On 2025-03-03 08:43, Thomas Meyer wrote:
You mean that:
% Set the textarea width to 2.6 alphabets.
\setbox\scratchbox\hbox{\dorecurse{26}{\character\recurselevel}}
\newdimen\Width \Width=\dimexpr(2.6\wd\scratchbox)
That's something I don't understand! What is a 2.6 alphabet? What
means "scratchbox", "2.6\wd" ... ?
This is straight TeX (not the higher-level nicety of ConTeXt). What it
does is create a throw-away box (a scratchbox) and sets in it
horizontally one lower case alphabet of the current body font. It
creates that alphabet by setting
\character{1}\character{2}...\character{26} using a loop. It then
measures the width of the box holding the 26 characters (\wd\scratchbox)
and multiplies that by 2.6, depositing the result in \Width.
A more ConTeXt-y way to do this might be:
\def\Alphabet{abcdefghijklmnopqrstuvwxyz}
\setupbodyfont[libertinus,12pt]
\setwidthof\Alphabet\to\AlphabetWidth
and then use width=2.6\AlphabetWidth in your layout
--
Rik
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[NTG-context] Re: calculate ...
Am 03.03.25 um 04:22 schrieb Rik Kabel:
On 2025-03-02 11:38, Thomas Meyer wrote:
> Hi Rik and autumnus, > > Sorry for my late reply, but thank you very much for your >
suggestions on this topic. Your calculations are very complicated I >
think. However, the type area is not the end of the story. >
Unfortunately, the line length remains the same with your >
suggestions, even if the font size is reduced. For good readability, >
however, the number of characters in the line should remain more or >
less constant and not increase. In any case, that's what I've read. >
I have therefore orientated myself on this: https:// >
wiki.contextgarden.net/Introduction/From_LaTeX_to_ConTeXt/KOMA- >
scrartcl_Type_Area > > It looks like this for me now: > >
\definebodyfontenvironment[12pt][interlinespace=15pt] >
\setupbodyfont[libertinus, 12pt] > >
\setuppagenumbering[location={footer,middle}, >
alternative=doublesided] > > \setupindenting[yes, small, next] > >
%\enablemode[BCOR] % Set binding correction value . >
\doifmodeelse{BCOR}{\def\bindingcorr{5mm}}{\def\bindingcorr{0pt}} > >
% Set visible page width. \newdimen\PageWidth >
\PageWidth=\dimexpr(\paperwidth-\bindingcorr) > > % Determine the
paper aspect ratio. \edef\Ratio{0.618} > %Golden Ratio > > % Set the
textarea height proportional to the width. > \newdimen\Height
\Height=41\baselineskip % constant > number of lines (41)
\newdimen\Width \Width=\dimexpr(\Ratio\Height) > > % Set the
margin/gutter widths to be equal on a full spread. % > \newdimen\Back
\Back=\dimexpr(((\PageWidth - \Width) / 2) + > \bindingcorr) > >
\enablemode[oneside] \newdimen\Back \doifmodeelse{oneside} >
{\Back=\dimexpr(((\PageWidth - \Width) / 2) + \bindingcorr)} >
{\Back=\dimexpr(((\PageWidth - \Width) / 3) + \bindingcorr)} > > > %
Set the top and bottom margins in a 1:2 ratio, ignoring headers. >
\edef\Top{\the\dimexpr((\paperheight - \Height) / 3 - 3\lineheight)} >
> % Redefine \Height to include header and footer space. >
\Height=\dimexpr(\Height + 8\lineheight) > > % Set up the page layout
using the calculated parameters. > \setuplayout[ backspace=\the\Back,
height=\the\Height, > width=\the\Width, header=2.5\lineheight, >
headerdistance=0.5\lineheight, footer=4.5\lineheight, >
footerdistance=0.5\lineheight, bottom=2\lineheight, >
bottomdistance=0.5\lineheight, margindistance=0.2\lineheight, >
topspace=\Top, grid=on, ] > > \starttext > > \showgrid > > \input
knuth > > \input tufte > > \input knuth > > \input tufte > >
\showlayout[1, pt, mm] > > \stoptext > > If I am wrong, please correct
me. > > Greetings Thomas
You are correct that these are two different approaches. The version I
showed calculates fixed top and side margins based on page size and
computes a type area of specific proportions after that. The user is
still responsible for determining an appropriate font size and
leading, and the line count follows from that. Your solution starts
with a font size, leading and line count, then computes text height,
and lastly text width, splitting the remaining space among the margins.
I think that there are a couple of problems with the code as shown.
* It conflates paper size and page size -- try adding
\setuppapersize[A5][A3] and you will see what I mean.
How can I change that?
* I do not see where your solution adapts the width to the alphabet
width -- the referenced wiki page does;
You mean that:
% Set the textarea width to 2.6 alphabets.
\setbox\scratchbox\hbox{\dorecurse{26}{\character\recurselevel}}
\newdimen\Width \Width=\dimexpr(2.6\wd\scratchbox)
That's something I don't understand! What is a 2.6 alphabet? What means
"scratchbox", "2.6\wd" ... ?
* your version uses \baselineskip an an indirect stand-in. (Also,
the comment is now misleading: Width is set proportionate to the
determined height, not height proportionate to a determined width.)
Forget the comment. It is copied.
* As far as characters per line, there are so many variables --
serif or sans, large or small x-height, ... but for single column
texts with book faces 50 to 70 characters width is typical, 40 to
50 for two-column setting. You pick your authority and make your
choice --
I think a regular font is just right for continuous text. (Here 68
characters per line)
* Binding correction is a press-time issue. Page layout should not
deal with it -- it is handled during imposition after the paper
weight and binding methods are settled. Two different trades. (If
you need a quickie leaflet printed on standard untrimmed paper
perhaps you might want to look at it, but not beyond that.) As
long as you don't use BCOR mode, however, this is irrelevant to
your layout, and I would remove all references to it.
* Is this for a one-sided or two-sided document? You have
\setuppagenumbering configured for two-sided, but calculate
margins based on a mode suggesting a one-sided document.
[NTG-context] Re: calculate ...
On 2025-03-02 11:38, Thomas Meyer wrote:
Hi Rik and autumnus, > > Sorry for my late reply, but thank you very much for your >
suggestions on this topic. Your calculations are very complicated I >
think. However, the type area is not the end of the story. >
Unfortunately, the line length remains the same with your > suggestions,
even if the font size is reduced. For good readability, > however, the
number of characters in the line should remain more or > less constant
and not increase. In any case, that's what I've read. > I have therefore
orientated myself on this: https:// >
wiki.contextgarden.net/Introduction/From_LaTeX_to_ConTeXt/KOMA- >
scrartcl_Type_Area > > It looks like this for me now: > >
\definebodyfontenvironment[12pt][interlinespace=15pt] >
\setupbodyfont[libertinus, 12pt] > >
\setuppagenumbering[location={footer,middle}, > alternative=doublesided]
> > \setupindenting[yes, small, next] > > %\enablemode[BCOR] % Set
binding correction value . >
\doifmodeelse{BCOR}{\def\bindingcorr{5mm}}{\def\bindingcorr{0pt}} > > %
Set visible page width. \newdimen\PageWidth >
\PageWidth=\dimexpr(\paperwidth-\bindingcorr) > > % Determine the paper
aspect ratio. \edef\Ratio{0.618} > %Golden Ratio > > % Set the textarea
height proportional to the width. > \newdimen\Height
\Height=41\baselineskip % constant > number of lines (41)
\newdimen\Width \Width=\dimexpr(\Ratio\Height) > > % Set the
margin/gutter widths to be equal on a full spread. % > \newdimen\Back
\Back=\dimexpr(((\PageWidth - \Width) / 2) + > \bindingcorr) > >
\enablemode[oneside] \newdimen\Back \doifmodeelse{oneside} >
{\Back=\dimexpr(((\PageWidth - \Width) / 2) + \bindingcorr)} >
{\Back=\dimexpr(((\PageWidth - \Width) / 3) + \bindingcorr)} > > > % Set
the top and bottom margins in a 1:2 ratio, ignoring headers. >
\edef\Top{\the\dimexpr((\paperheight - \Height) / 3 - 3\lineheight)} > >
% Redefine \Height to include header and footer space. >
\Height=\dimexpr(\Height + 8\lineheight) > > % Set up the page layout
using the calculated parameters. > \setuplayout[ backspace=\the\Back,
height=\the\Height, > width=\the\Width, header=2.5\lineheight, >
headerdistance=0.5\lineheight, footer=4.5\lineheight, >
footerdistance=0.5\lineheight, bottom=2\lineheight, >
bottomdistance=0.5\lineheight, margindistance=0.2\lineheight, >
topspace=\Top, grid=on, ] > > \starttext > > \showgrid > > \input knuth
> > \input tufte > > \input knuth > > \input tufte > > \showlayout[1,
pt, mm] > > \stoptext > > If I am wrong, please correct me. > >
Greetings Thomas
You are correct that these are two different approaches. The version I
showed calculates fixed top and side margins based on page size and
computes a type area of specific proportions after that. The user is
still responsible for determining an appropriate font size and leading,
and the line count follows from that. Your solution starts with a font
size, leading and line count, then computes text height, and lastly text
width, splitting the remaining space among the margins.
I think that there are a couple of problems with the code as shown.
* It conflates paper size and page size -- try adding
\setuppapersize[A5][A3] and you will see what I mean.
* I do not see where your solution adapts the width to the alphabet
width -- the referenced wiki page does; your version uses
\baselineskip an an indirect stand-in. (Also, the comment is now
misleading: Width is set proportionate to the determined height, not
height proportionate to a determined width.) As far as characters
per line, there are so many variables -- serif or sans, large or
small x-height, ... but for single column texts with book faces 50
to 70 characters width is typical, 40 to 50 for two-column setting.
You pick your authority and make your choice --
* Binding correction is a press-time issue. Page layout should not
deal with it -- it is handled during imposition after the paper
weight and binding methods are settled. Two different trades. (If
you need a quickie leaflet printed on standard untrimmed paper
perhaps you might want to look at it, but not beyond that.) As long
as you don't use BCOR mode, however, this is irrelevant to your
layout, and I would remove all references to it.
* Is this for a one-sided or two-sided document? You have
\setuppagenumbering configured for two-sided, but calculate margins
based on a mode suggesting a one-sided document.
Other than that, it does a fine job. Perhaps best practice calls for
\relax at the end of some of the \dimexprs, but that isn't necessary in
this case.
--
Rik
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archive
[NTG-context] Re: calculate ...
Hi Rik and autumnus,
Sorry for my late reply, but thank you very much for your suggestions on
this topic.
Your calculations are very complicated I think.
However, the type area is not the end of the story.
Unfortunately, the line length remains the same with your suggestions,
even if the font size is reduced. For good readability, however, the
number of characters in the line should remain more or less constant and
not increase.
In any case, that's what I've read.
I have therefore orientated myself on this:
https://wiki.contextgarden.net/Introduction/From_LaTeX_to_ConTeXt/KOMA-scrartcl_Type_Area
It looks like this for me now:
\definebodyfontenvironment[12pt][interlinespace=15pt]
\setupbodyfont[libertinus, 12pt]
\setuppagenumbering[location={footer,middle}, alternative=doublesided]
\setupindenting[yes, small, next]
%\enablemode[BCOR]
% Set binding correction value .
\doifmodeelse{BCOR}{\def\bindingcorr{5mm}}{\def\bindingcorr{0pt}}
% Set visible page width.
\newdimen\PageWidth \PageWidth=\dimexpr(\paperwidth-\bindingcorr)
% Determine the paper aspect ratio.
\edef\Ratio{0.618} %Golden Ratio
% Set the textarea height proportional to the width.
\newdimen\Height \Height=41\baselineskip % constant number of
lines (41)
\newdimen\Width \Width=\dimexpr(\Ratio\Height)
% Set the margin/gutter widths to be equal on a full spread.
%\newdimen\Back \Back=\dimexpr(((\PageWidth - \Width) / 2) + \bindingcorr)
\enablemode[oneside]
\newdimen\Back
\doifmodeelse{oneside}
{\Back=\dimexpr(((\PageWidth - \Width) / 2) + \bindingcorr)}
{\Back=\dimexpr(((\PageWidth - \Width) / 3) + \bindingcorr)}
% Set the top and bottom margins in a 1:2 ratio, ignoring headers.
\edef\Top{\the\dimexpr((\paperheight - \Height) / 3 - 3\lineheight)}
% Redefine \Height to include header and footer space.
\Height=\dimexpr(\Height + 8\lineheight)
% Set up the page layout using the calculated parameters.
\setuplayout[
backspace=\the\Back,
height=\the\Height,
width=\the\Width,
header=2.5\lineheight,
headerdistance=0.5\lineheight,
footer=4.5\lineheight,
footerdistance=0.5\lineheight,
bottom=2\lineheight,
bottomdistance=0.5\lineheight,
margindistance=0.2\lineheight,
topspace=\Top,
grid=on,
]
\starttext
\showgrid
\input knuth
\input tufte
\input knuth
\input tufte
\showlayout[1, pt, mm]
\stoptext
If I am wrong, please correct me.
Greetings
Thomas
Am 24.02.25 um 19:33 schrieb Rik Kabel:
On 2025-02-24 04:19, Thomas Meyer wrote:
Hello Hraban,
thanks for your tip.
Hopefully I'll find time to have a look at it after that busy weekend.
Regards
Thomas
Am 22.02.25 um 19:11 schrieb Henning Hraban Ramm:
Am 22.02.25 um 18:36 schrieb Thomas Meyer:
Thank you Wolfgang,
I guess I'm thinking too complicated. Ultimately, this should
result in a type area according to the golden ratio.
(textheight = 660 pt = 1.618 * textwidth or something similar,
depending on the font size or interlinespace)
To simplify your code, you can replace many of these measures with
units, e.g. th, tw; see also lowlevel-registers.pdf
Perhaps this can help. It works for me. It lays out his page 155 (1st
edition paperback) bottom page, which has a 1.7 ratio type area on a
1.5 ratio page.
\doifmodeelse{frame}{\def\Paper{letter}}{\def\Paper{octavo}}
\definepapersize [octavo]
[width=6in,% 152.4mm, 433.62pt, 432bp
height=9in]% 228.6mm, 650..43pt, 648bp
\setuppapersize[octavo][\Paper]
\setuplayout [
%Bringhurst example on p155
%
% P = 1.5 (h=9", w=6") (648bp × 432bp) (54pc × 36pc)
% T = 1.7 (d=6.8", m=4") (491.44pt × 289.08pt) (489.6bp × 288bp)
(40.8pc × 24pc)
% (exclusive of running heads and folios)
% s = t = w/9 = 0.667" backspace and top margin
% e = 2s = 1.333" foredge
% ( f = h - t - d = 9" - 0.667" - 6.8" = 1.533"
% but must allow for footer/footerdistance in that )
% 36 lines @ 13.5pt = 486pt, 36 lines @ 13.45bp = 484.2bp
%
% Bringhurst calculations for 24pica width char/line
% libertinus alphabet width 10pt: 122pt 66
% libertinus alphabet width 10.5pt: 128pt 63
% libertinus alphabet width 11pt: 134pt 61
% libertinus alphabet width 12pt: 146pt 56
% backspace =
leftedge+leftedgedistance+leftmarginwidth+leftmargindistance
% cutspace = right...
% s = w/9 = leftmarginwidth+leftmargindistance = 0.667" = 48bp
% t = s = topspace + header+headerdistance
% header+headerdistance = 27bp
% topspace = 48bp - 27bp = 21bp
% e = 2×s = rightmarginwidth+rightmargindistance = 1.333" = 96bp
vz=2,
location=middle,
backspace=pw / 9,
cutspace=\backspace * 2,
width=\backspace * 6,
h
[NTG-context] Re: calculate ...
On 2025-02-24 04:19, Thomas Meyer wrote:
Hello Hraban,
thanks for your tip.
Hopefully I'll find time to have a look at it after that busy weekend.
Regards
Thomas
Am 22.02.25 um 19:11 schrieb Henning Hraban Ramm:
Am 22.02.25 um 18:36 schrieb Thomas Meyer:
Thank you Wolfgang,
I guess I'm thinking too complicated. Ultimately, this should result
in a type area according to the golden ratio.
(textheight = 660 pt = 1.618 * textwidth or something similar,
depending on the font size or interlinespace)
To simplify your code, you can replace many of these measures with
units, e.g. th, tw; see also lowlevel-registers.pdf
Perhaps this can help. It works for me. It lays out his page 155 (1st
edition paperback) bottom page, which has a 1.7 ratio type area on a 1.5
ratio page.
\doifmodeelse{frame}{\def\Paper{letter}}{\def\Paper{octavo}}
\definepapersize [octavo]
[width=6in,% 152.4mm, 433.62pt, 432bp
height=9in]% 228.6mm, 650..43pt, 648bp
\setuppapersize[octavo][\Paper]
\setuplayout [
%Bringhurst example on p155
%
% P = 1.5 (h=9", w=6") (648bp × 432bp) (54pc × 36pc)
% T = 1.7 (d=6.8", m=4") (491.44pt × 289.08pt) (489.6bp × 288bp)
(40.8pc × 24pc)
% (exclusive of running heads and folios)
% s = t = w/9 = 0.667" backspace and top margin
% e = 2s = 1.333" foredge
% ( f = h - t - d = 9" - 0.667" - 6.8" = 1.533"
% but must allow for footer/footerdistance in that )
% 36 lines @ 13.5pt = 486pt, 36 lines @ 13.45bp = 484.2bp
%
% Bringhurst calculations for 24pica width char/line
% libertinus alphabet width 10pt: 122pt 66
% libertinus alphabet width 10.5pt: 128pt 63
% libertinus alphabet width 11pt: 134pt 61
% libertinus alphabet width 12pt: 146pt 56
% backspace =
leftedge+leftedgedistance+leftmarginwidth+leftmargindistance
% cutspace = right...
% s = w/9 = leftmarginwidth+leftmargindistance = 0.667" = 48bp
% t = s = topspace + header+headerdistance
% header+headerdistance = 27bp
% topspace = 48bp - 27bp = 21bp
% e = 2×s = rightmarginwidth+rightmargindistance = 1.333" = 96bp
vz=2,
location=middle,
backspace=pw / 9,
cutspace=\backspace * 2,
width=\backspace * 6,
height=(\backspace * 6 * 1.7) + (4 * \lineheight),
topspace=\backspace - 2 * \lineheight,
headerdistance=\lineheight, header=\lineheight,
footerdistance=\lineheight, footer=\lineheight,
leftmargindistance=8bp, rightmargindistance=8bp,
leftmargin=\backspace - \leftmargindistance,
rightmargin=\cutspace - \rightmargindistance,
]
--
Rik
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[NTG-context] Re: calculate ...
I have defined the following layout in my own module, which may have some
inspiration for your needs.
% must load font first, then can get real text fontsize(1em)
% Only care about the width of each row, the height of each column and the
width of the side note.
% Others are cut according to the ratio of 1:√2 (only rough)
% If the layout is not set in the module, \c_textcount \c_heightcount
\c_margincount must be set in advance.
\unprotect
\newcount\c_textcount \c_textcount=40\relax % Modify to the required
number of words per line
\newcount\c_heightcount \c_heightcount=45\relax %Modify to the required
number of lines in the text
\newcount\c_margincount\c_margincount=10\relax % Modify to the number of
words required for each line in the side note area
\newdimen\d_textfontsize\d_textfontsize=\fontdimen6\font\relax
\newdimen\d_marginwidth
\d_marginwidth=\dimexpr\fontdimen6\font*\c_margincount\relax
\newdimen\d_textlineheight\d_textlineheight=
\dimexpr\baselineskip*\c_heightcount-\baselineskip+
\ifdim\topskip<\ht\strutbox\topskip\else\ht\strutbox\fi\relax
\protect
\startluacode
local todimen
local pw = tex.getdimen("paperwidth")
local ph = tex.getdimen("paperheight")
local pr = pw / ph
local tc = tex.getcount("c_textcount")
local hc = tex.getcount("c_heightcount")
local mc = tex.getcount("c_margincount")
local bs = tex.getdimen("d_textfontsize")
local hh = tex.getdimen("d_textlineheight")
local mw = tex.getdimen("d_marginwidth")
local twr = tc * bs -- The number of words per line is necessary to set.
ifhc == 0 then -- If the page height is not set
thr = twr / pr
else
thr = hh
end
local Rm = (pw - twr) / (1 + pr) -- right total
local Rmr = Rm * pr / (2 + pr + 1/pr) -- edge distance
local Rml = Rmr / pr-- margin distance
local Lm = pw - Rm - twr -- left total
ifmc == 0 then
Rmm = Rm -Rml -Rmr -- margin text width
else
Rmm = mw
Rmr = (Rm - Rmm) / (1 + pr)
Rml = Rm - Rmm - Rmr
end
local He = (ph - thr) / (1 + pr) -- top total
local Fo = ph - He - thr -- bot total
local Het = He * pr / (2 + pr + 1/pr) -- top distance
local Heb = Het / pr -- header distance
local Hem = He - Het - Heb-- header height
local Fob = Fo * pr / (2 + pr + 1/pr)
local Fot = Fob / pr
local Fom = Fo - Fot -Fob
textwidth = tostring(twr/65536) .. "pt"
textheight = ph - Het - Fob-- textheight 是 Page - Top - Tail
textheight = tostring(textheight/65536) .. "pt"
backspace = tostring(Lm/65536) .. "pt"
rightmargin = tostring(Rmm/65536) .. "pt"
rightmargindistance = tostring(Rml/65536) .. "pt"
rightedgedistance = tostring(Rmr/65536) .. "pt"
topdistance = tostring(Het/65536) .. "pt"
header = tostring(Hem/65536) .. "pt"
headerdistance = tostring(Heb/65536) .. "pt"
footer = tostring(Fom/65536) .. "pt"
footerdistance = tostring(Fot/65536) .. "pt"
botdistance = tostring(Fob/65536) .. "pt"
-- context(ph/65536)context.par()
-- context("he ")context(He/65536)context.par()
-- context("het ")context(Het/65536)context.par()
-- context("hem ")context(Hem/65536)context.par()
-- context("heb ")context(Heb/65536)context.par()
-- context("fo ")context(Fo/65536)context.par()
-- context("fot ")context(Fot/65536)context.par()
-- context("fom ")context(Fom/65536)context.par()
-- context("fob ")context(Fob/65536)context.par()
-- context(thr/65536)context.par()
-- context(textheight)context.par()
context.definelayout(
{ "hermes" },
{
width=textwidth,
backspace=backspace,
rightmargin=rightmargin,
rightmargindistance=rightmargindistance,
rightedgedistance=rightedgedistance,
topspace=topdistance,
header=header,
headerdistance=headerdistance,
footer=footer,
footerdistance=footerdistance,
bottomspace=botdistance,
height=textheight,
}
)
\stopluacode
%%%
Then you can set it to \setuplayout[hermes]，
If the current layout does not meet the requirements,
it can also be modified later.
autumnus
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[NTG-context] Re: calculate ...
Hello Hraban, thanks for your tip. Hopefully I'll find time to have a look at it after that busy weekend. Regards Thomas Am 22.02.25 um 19:11 schrieb Henning Hraban Ramm: Am 22.02.25 um 18:36 schrieb Thomas Meyer: Thank you Wolfgang, I guess I'm thinking too complicated. Ultimately, this should result in a type area according to the golden ratio. (textheight = 660 pt = 1.618 * textwidth or something similar, depending on the font size or interlinespace) To simplify your code, you can replace many of these measures with units, e.g. th, tw; see also lowlevel-registers.pdf Hraban ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___ ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: calculate ...
Am 22.02.25 um 18:36 schrieb Thomas Meyer: Thank you Wolfgang, I guess I'm thinking too complicated. Ultimately, this should result in a type area according to the golden ratio. (textheight = 660 pt = 1.618 * textwidth or something similar, depending on the font size or interlinespace) To simplify your code, you can replace many of these measures with units, e.g. th, tw; see also lowlevel-registers.pdf Hraban ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: calculate ...
Thank you Wolfgang, I guess I'm thinking too complicated. Ultimately, this should result in a type area according to the golden ratio. (textheight = 660 pt = 1.618 * textwidth or something similar, depending on the font size or interlinespace) Greetings Thomas Am 22.02.25 um 13:43 schrieb Wolfgang Schuster: Am 22.02.2025 um 13:02 schrieb Thomas Meyer: Hi folks, is it possible to calculate with interlinespace and lines? For example: interlinespace = 15pt lines = 44 Something like that -> textheight = interlinespace * lines = 660 pt How can I do it and were can I find information about this? Can you provide more information because the layout already take the number of lines and the line height into account when it calculates the text height. \showgrid \setuplayout[lines=20] \starttext \page[dummy] \page \setuplayout[lines=30] \page[dummy] \page \setupinterlinespace[line=4ex] \setuplayout[lines=20] \page[dummy] \stoptext Wolfgang ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___ ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: calculate ...
Am 22.02.2025 um 13:02 schrieb Thomas Meyer: Hi folks, is it possible to calculate with interlinespace and lines? For example: interlinespace = 15pt lines = 44 Something like that -> textheight = interlinespace * lines = 660 pt How can I do it and were can I find information about this? Can you provide more information because the layout already take the number of lines and the line height into account when it calculates the text height. \showgrid \setuplayout[lines=20] \starttext \page[dummy] \page \setuplayout[lines=30] \page[dummy] \page \setupinterlinespace[line=4ex] \setuplayout[lines=20] \page[dummy] \stoptext Wolfgang ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
