April 2019 - ntg-context - NTG Mailing Lists

Strange backgroundcolors with showgrid and luacode
by Otared Kavian 27 Apr '19

27 Apr '19

Dear all, When typesetting an old list of exercises, I noticed that when \showgrid is active and a luafunction is called, there is some unwanted and strange background colors (gray and blue, or yellow and blue). Thes background colors seems to show up on an unfilled page when a lua function is used, and I could come up with the following minimal example which gives the attached PDF. Could someone, please, tell me what I am doing wrong? Best regards: OK %%%% begin test-strange.tex \showgrid %\setuplayout[grid=yes] \startluacode AdditionTest = function(nn) local a = {} local b = {} for i = 1,nn do a[i] = i b[i] = nn - i end context.midaligned("\\bfa Exercises") context.blank() context.startcolumns { n = 3 } context.starttabulate { "|r|c|r|c|r|" } for i=1,nn do context.NC() context(a[i]) context.NC() context.mathematics("*") context.NC() context(b[i]) context.NC() context("=") context.NR() end context.stoptabulate() context.stopcolumns() context.page() end \stopluacode \starttext \ctxlua{AdditionTest(12)} % the background colors, gray and blue, show up when a lua function is called % \ctxlua{AdditionTest(120)} % the background colors, yellow and blue, show up when a lua function is called % \input knuth % the background colors do not show up here \stoptext %%%% end test-strange.tex

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precompose combining characters
by Pablo Rodriguez 27 Apr '19

27 Apr '19

Dear list, I have the following sample: \setupbodyfont[gentium, 60pt] \starttext Combined: τῇ Precomposed: τῇ \stoptext Is there an automatic way in LuaTeX to get the precomposed character from combining ones without having to add a feature? Many thanks for your help, Pablo -- http://www.ousia.tk

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suggestion for LMTX
by Pablo Rodriguez 27 Apr '19

27 Apr '19

Hi Hans, compiling the following sample with LMTX \starttext \contextmark \contextbanner \stoptext outputs MKIV. Wouldn’t LMTX be a better option than LMTX? Many thanks for your help, Pablo -- http://www.ousia.tk

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problems with "pagecomment"
by Mohammad Hossein Bateni 27 Apr '19

27 Apr '19

Hi, Look at the following MWE: \setuppagecomment[state=start,location=right] %\definestartstop[Notes] %[before=\startpagecomment,after=\stoppagecomment] \def\startNotes{\startpagecomment} \def\stopNotes{\stoppagecomment} \starttext \input knuth \startpagecomment Hello \stoppagecomment \page \input tufte \startNotes Testing \stopNotes \stoptext This snippet does not compile. Page comments work when I use the commands \startpagecomment and \stoppagecomment directly (like in the first page), but when I invoke via macros (as in the second page), ConTeXt produces errors. What is wrong there? Thanks! ~MHB

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wrong intraword spacing
by Pablo Rodriguez 27 Apr '19

27 Apr '19

Dear list, I have the following sample: \definefontfeature [default] [default] [itlc=yes] \setupitaliccorrection [always] \setupbodyfont %~ [heros] %~ [pagella] [termes] \starttext \startTEXpage[offset=1em] \em Dr. Steffan \stopTEXpage \stoptext After the ligature, there is an unwanted extra space. Could anyone confirm the issue (I get it with both latest betas LMTX and MkIV)? Many thanks for your help, Pablo -- http://www.ousia.tk

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calling up chapter title
by Hans van der Meer 26 Apr '19

26 Apr '19

This does not what I have in mind: \setupheadertexts[text][chapter][\pagenumber chapter][pagenumber][chapter] Instead of [\pagenumber chapter] I thought [\pagenumber \chapter] would give me in the header both the pagenumber and the recorded chapter title. However \chapter turns out to be undefined, neither did \chaptertitle. What is the macro to be called? dr. Hans van der Meer

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how to call chapter title and chapter number
by Hans van der Meer 26 Apr '19

26 Apr '19

This does not what I have in mind: \setupheadertexts[text][chapter][\pagenumber chapter][pagenumber][chapter] Instead of [\pagenumber chapter] I thought [\pagenumber \chapter] would give me in the header both the pagenumber and the recorded chapter title. However \chapter turns out to be undefined, neither did \chaptertitle. What is the macro to be called? In my previous post I forgot to ask the same question about [chapternumber] where also \chapternumber does not exists. (sorry for the noise) dr. Hans van der Meer

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adjusting tikz pictures
by Gour 26 Apr '19

26 Apr '19

Hello, I believe that using GeoGebra for drawing, exporting to TikZ is the most approachable method for me to be able to create mathematic-related material like exams for the children in the primary school, but need some info how to adjust GeoGebra's TikZ output (suitable for LaTeX) for ConTeXt? The link on the wiki's page (https://wiki.contextgarden.net/TikZ) ﬁor the manual is dead.. Here is the simple example: \documentclass[10pt]{article} \usepackage{pgf,tikz,pgfplots} \pgfplotsset{compat=1.15} \usepackage{mathrsfs} \usetikzlibrary{arrows} \pagestyle{empty} \begin{document} \definecolor{zzttqq}{rgb}{0.6,0.2,0} \definecolor{ududff}{rgb}{0.30196078431372547,0.30196078431372547,1} \begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1cm,y=1cm] \begin{axis}[ x=1cm,y=1cm, axis lines=middle, ymajorgrids=true, xmajorgrids=true, xmin=-12.679999999999998, xmax=12.679999999999998, ymin=-13.470000000000002, ymax=8.91, xtick={-12,-11,...,12}, ytick={-13,-12,...,8},] \clip(-12.68,-13.47) rectangle (12.68,8.91); \fill[line width=2pt,color=zzttqq,fill=zzttqq,fill opacity=0.10000000149011612] (-7.7,2.75) -- (0.88,2.57) -- (-3.04,-3.37) -- cycle; \draw [line width=2pt,color=zzttqq] (-7.7,2.75)-- (0.88,2.57); \draw [line width=2pt,color=zzttqq] (0.88,2.57)-- (-3.04,-3.37); \draw [line width=2pt,color=zzttqq] (-3.04,-3.37)-- (-7.7,2.75); \draw [line width=2pt,domain=-12.68:12.68] plot(\x,{(--25.3932-4.84*\x)/0.04}); \draw [line width=2pt,domain=-12.68:12.68] plot(\x,{(-13.78-3.92*\x)/5.94}); \draw [line width=2pt,domain=-12.68:12.68] plot(\x,{(--29.7366--8.58*\x)/0.18}); \begin{scriptsize} \draw [fill=ududff] (-7.7,2.75) circle (2.5pt); \draw[color=ududff] (-7.54,3.18) node {$A$}; \draw [fill=ududff] (0.88,2.57) circle (2.5pt); \draw[color=ududff] (1.04,3) node {$B$}; \draw [fill=ududff] (-3.04,-3.37) circle (2.5pt); \draw[color=ududff] (-2.88,-2.94) node {$C$}; \draw[color=zzttqq] (-3.34,2.58) node {$c$}; \draw[color=zzttqq] (-1.28,0.02) node {$a$}; \draw[color=zzttqq] (-5.04,0.12) node {$b$}; \draw [fill=ududff] (5.2,5.63) circle (2.5pt); \draw[color=ududff] (5.36,6.06) node {$D$}; \draw [fill=ududff] (5.24,0.79) circle (2.5pt); \draw[color=ududff] (5.4,1.22) node {$E$}; \draw[color=black] (4.92,8.82) node {$f$}; \draw [fill=ududff] (-2,-1) circle (2.5pt); \draw[color=ududff] (-1.84,-0.56) node {$F$}; \draw[color=black] (-12.5,5.84) node {$g$}; \draw[color=black] (-3.04,8.82) node {$h$}; \end{scriptsize} \end{axis} \end{tikzpicture} \end{document} How would such example be adjusted to be used with ConTeXt? Sincerely, Gour -- As the embodied soul continuously passes, in this body, from boyhood to youth to old age, the soul similarly passes into another body at death. A sober person is not bewildered by such a change.

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tikz is not found
by Gour 25 Apr '19

25 Apr '19

Hello, in order to try using TikZ figures (exported from Geogebra) I tried with some simple TikZ example with lmtx install, but I get the following: system > ConTeXt ver: 2019.04.16 09:07 MKIV beta fmt: 2019.4.23 int: english/english system > system > 'cont-new.mkiv' loaded open source > level 2, order 2, name '/home/gour/opt/lmtx/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv' system > beware: some patches loaded from cont-new.mkiv close source > level 2, order 2, name '/home/gour/opt/lmtx/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv' system > files > jobname 'tik', input './tik', result 'tik' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 2, order 3, name > '/home/gour/prj/tex/tik.tex' colors > 'rgb' color space is > supported colors > 'cmyk' color space is supported modules > 'tikz' is not found [...] so wonder how to add missing tikz module? I'm running Devuan (Debian) 'testing' (x86-64)... Sincerely, Gour -- From anger, complete delusion arises, and from delusion bewilderment of memory. When memory is bewildered, intelligence is lost, and when intelligence is lost one falls down again into the material pool.

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Re: [NTG-context] Text around a figure
by Wolfgang Schuster 24 Apr '19

24 Apr '19

Fabrice Couvreur schrieb am 24.04.2019 um 19:51: > Hi Wolfgang, > Thank you t works but why should you add this command ? ConTeXt has to update the number of remaining lines for side floats at the begin each each paragraph but when you start a paragraph in a group, e.g. {\bf ...} to information is lost after the closing brace. When you add now \dontleavehmode before the group starts you flushed to information because the paragraph already started. Wolfgang

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