January 2011 - ntg-context - NTG Mailing Lists

no pdf output using `texexec --lua hello.tex`
by Paul Menzel 25 Jan '11

25 Jan '11

Dear ConTeXt folks, I am still trying to get ConTeXt Minimals up and running. I am using the hello world sample from the Wiki [1]. The following command does not produce any output. $ ./tex/texmf-linux/bin/texexec --lua hello.tex MTXrun | kpse fallback with progname 'context' initialized in 0.06 seconds TeXExec | processing document 'hello.tex' TeXExec | no ctx file found TeXExec | tex processing method: context TeXExec | TeX run 1 TeXExec | writing option file hello.top TeXExec | using randomseed 798 TeXExec | tex engine: luatex TeXExec | tex format: cont-en LuaTools | using format name: /home/joe/luatex-cache/context/6300afb4995fe38c77e9b86ed1ef1028/formats/cont-en.fmt LuaTools | no luc/lua with name: /home/joe/luatex-cache/context/6300afb4995fe38c77e9b86ed1ef1028/formats/cont-en LuaTools | LuaTools | runtime: 0.013 seconds TeXUtil | unable to locate hello.tui TeXUtil | shortcuts : 0 TeXUtil | expansions: 0 TeXUtil | reductions: 0 TeXUtil | divisions : 0 TeXUtil | loaded files: 0 TeXUtil | temporary files: 0 TeXUtil | commands: 0 TeXUtil | programs: 0 TeXUtil | tuo file saved TeXExec | runtime: 0.092218 I ran `./tex/texmf-linux/bin/texexec --make --all` beforehand too as in advised in the bugs and workarounds Wiki page. Do you have an idea what might be wrong? Thanks, Paul [1] http://wiki.contextgarden.net/First_Document [2] http://wiki.contextgarden.net/Bugs_and_workarounds

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Using \pdfnames and friends.
by Paul Isambert 25 Jan '11

25 Jan '11

Hello, I'm trying to use \pdfnames with MkIV, but I can see from the sources that it's a no-op and should be replaced with \pdfbackendsetname. So I use \pdfbackendsetname{EmbeddedFiles}{22 0 R}, trying to achieve the same thing as \pdfnames{/EmbeddedFiles 22 0 R}, but "22 0 R" is surrounded by parentheses, as if it were a PDF string, so that I end up with the useless "/EmbeddedFiles (22 0 R)". Similarly, \pdfbackendsetcatalog{PageMode}{/UseOutlines} produces "/PageMode (/UseOutlines)". What am I doing wrong? Best, Paul

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Layers by native code vs. by Lua
by Procházka Lukáš Ing. - Pontex s. r. o. 25 Jan '11

25 Jan '11

Hello, a weird thing happens when setting up layers - I'm getting different results depending on whether setup is performed by native Ctx code or by Lua: --- \setuppapersize[A4,landscape][A4,landscape] \setuplayout[page] \definelayer[T][x=10mm,y=0mm] \startuseMPgraphic{VerticalRule} draw (0,0)--(0,PaperHeight) withcolor red; \stopuseMPgraphic \startsetups S1 \setlayer[T]{\useMPgraphic{VerticalRule}} \stopsetups \startluasetups S2 \startluacode context.setlayer({"T"}, "\\useMPgraphic{VerticalRule}") \stopluacode \stopluasetups \starttext \setupbackgrounds[page][setups=S1,background={T}] \page[empty] \setupbackgrounds[page][setups=S2,background={T}] \page[empty] \stoptext --- Both setups (S1 and S2) should do the same - to draw a vertical line to the full height. The first case (S1) is OK - the line starts 10 mm from the top left corner of the page. The second case (S2) is somehow shifted - the line starts cca 13 mm from the top left corner of the page. What is the reason? And how to make Lua way give the same result? Best regards, Lukas -- Ing. Lukáš Procházka [mailto:LPr@pontex.cz] Pontex s. r. o. [mailto:pontex@pontex.cz] [http://www.pontex.cz] Bezová 1658 147 14 Praha 4 Tel: +420 244 062 238 Fax: +420 244 461 038

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Problem calling Lua during \startsetups
by Procházka Lukáš Ing. - Pontex s. r. o. 25 Jan '11

25 Jan '11

Hello, I encountered a bit weird thing when I used Lua in \startsetup: --- \definelayer[T][x=0mm,y=0mm,width=\paperwidth,height=\paperheight] \directlua{n, m = 1, 11} % Initialization \startsetups layer % In my real code (= not in this example) % the value of 'n' is used here to set the appropriate background, % = n-th page of a PDF, and also to draw a filled rectangle on % the left or right side (depending on whether n is even or odd) % The code bellow fails [1] \startluacode print("N=", n) if n == 2 then else end \stopluacode \stopsetups \setupbackgrounds[page][setups=layer,background={T}] \starttext % The code bellow works well [2] \startluacode print("M=", m) if m == 2 then else end \stopluacode \dorecurse{4}{\page[empty]} \stoptext --- The problem is that Lua code between \startsetups ... \stopsetups [1] seems to be "parsed" another way than when in [2]. The [1] gives the following error message: --- ! LuaTeX error <main ctx instance>:1: 'then' expected near 'thenelseend'. --- So it seems like <space>s and/or <\n>s were "ignored". If you commented [1], the section [2] would work well. So how to use make Lua work well even between \startsetups ... \stopsetups? Best regards, Lukas -- Ing. Lukáš Procházka [mailto:LPr@pontex.cz] Pontex s. r. o. [mailto:pontex@pontex.cz] [http://www.pontex.cz] Bezová 1658 147 14 Praha 4 Tel: +420 244 062 238 Fax: +420 244 461 038

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Pipe symbol
by Vyatcheslav Yatskovsky 25 Jan '11

25 Jan '11

Hi, How to use a pipe symbol (|) in a text? Both | and \| give errors. Regards, Vyatcheslav

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asciimode
by Wolfgang Schuster 25 Jan '11

25 Jan '11

Hi, \stopasciimode does always switch to \donknuthmode what is nonsense when \nonknuthmode will be the default in the future, wouldn’t something like this make more sense \unexpanded\def\stopasciimode {\popcatcodetable \ifconditional\knuthmode\else\donknuthmode\fi} and set \knuthmode to true and false with \every(don|non)knuthmode. Wolfgang

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template for protocol (record) of experiment
by Paul Menzel 24 Jan '11

24 Jan '11

Dear ConTeXt folks, does anyone of you use(d) ConTeXt for typesetting a protocol/record of an experiment (in my case physics, but it should not matter). I already found the sample documents in the Wiki [1] and probably will be able to come up with something, which would take me some time. So I thought I’d be clever and ask you professionals if you have some templates, especially for the title page, since you probably already found a good font and the right settings for this purpose. There are no real requirements. The name of the university [2], with the logo, the name of the supervisor, the student with the student number, date and the topic (Versuchsprotokoll). Thanks in advance, Paul [1] http://wiki.contextgarden.net/Sample_documents [2] http://www.physik.hu-berlin.de/

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Too many open files
by Thomas Floeren 24 Jan '11

24 Jan '11

Hi, with the actual minimals and luatex on Mac OSX I get "pdfError: Couldn't open file <image file name> Too many open files" and then fatal error 70. With an older installation everything is ok, minimals on Windows are ok, too. The document has about 700 figures. En detail: Working: OSX: context 2010.10.14 13:14; luatex (64) beta-0.63.0-2010091123 Working: Win XP: context 2011.01.24 10:00; luatex (32) beta-0.65.0-2010121421 Not working: OSX: 2011.01.24 10:00; luatex (64/32) beta-0.65.0-2010121316 Is this a known problem? Thanks for any help. Kind regards Thomas

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Labels in MetaPost (MetaObj)
by Stefan Müller 24 Jan '11

24 Jan '11

Hi list, I'm having some trouble with MetaPost in general and MetaObj in particular. I hope someone on this list can assist me here. I'm trying to run the appended ConTeXt file with a quite simple object "Segment" (from the manual [1], section 2.1). This script works fine as it is. I wanted to add a simple TeX label ("\tt \overbar{E}") to the drawing macro, but failed. When including the line marked with "% 1" the TeX run fails. I don't understand why. The line with "% 2" is taken frome the metaobj manual (section 5.8) [1], but including this doesn't work either. It would be great if someone could tell me what's wrong with the mp-code below and explain how to place a (TeX) label inside a metaobj object. Thanks in advance, Stefan. [1] http://tex.loria.fr/prod-graph/momanual.pdf PS: Both variants fail with mp error messages like this: "mplib > mp terminal: ! Inconsistent equation (off by 1). <to be read again> ; assignObj->(SUFFIX0)=incr(nObj_); iname_[(SUFFIX0)]=str(SUFFIX0);addclass_((S... newSegment->...roup.assignObj((SUFFIX2),"Segment") ;ObjPoint.a,b;ObjCode"@##b... <to be read again> ; <*> ...ar {E}") shifted n.a; enddef; newSegment.s; s.a=origin; drawObj(s); ; ! Redundant equation. <to be read again> ; assignObj->...bj_);iname_[(SUFFIX0)]=str(SUFFIX0); addclass_((SUFFIX0),(EXPR1... newSegment->...roup.assignObj((SUFFIX2),"Segment") ;ObjPoint.a,b;ObjCode"@##b..." <=======================================> \startMPinclusions input metaobj; \stopMPinclusions \startMPpage vardef newSegment@#= assignObj(@#,"Segment"); ObjPoint a,b; ObjCode "@#b-@#a=(1cm,2cm)"; enddef; def drawSegment(suffix n)= draw n.a--n.b; % draw btex \tt \overbar{E} etex shifted n.a; % 1 enddef; newSegment.s; % ObjLabel.s(btex hello! etex) "labpoint(a)"; % 2 s.a=origin; drawObj(s); \stopMPpage <=======================================>

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Re: [NTG-context] metafun- how to pass array as an argument
by dalyoung 24 Jan '11

24 Jan '11

Dear Peter, Thank you for your help. By changing (expr s) to (text s), it works! I am using ConTeXt Minimal and the luatex version is "This is LuaTeX, Version beta-0.61.0-2010072816" Thank you again. Dalyoung

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