- ntg-context - NTG Mailing Lists

Unfill with anglebetween
by David Arnold 14 Apr '08

14 Apr '08

All, I was trying to help a student today and the following came up. drawarrow anglebetween(path1, path2, btex $\theta$ etex) Is there some way to typeset the theta with an "unfilled" background? David.

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Re: [NTG-context] LuaTex error "attempt to index global 'lang' (a nil value)"
by Roland 14 Apr '08

14 Apr '08

Hmmm this produces something funny: $ luatools --selfupdate LuaTools | to be replaced old script /usr/texbin/luatools LuaTools | unable to locate new script LuaTools | LuaTools | runtime: 0.005 seconds Perhaps some link is wrong or I shouldn't use the alias /usr/texbin (as installed by MacTeX)? On 08/04/2008, Mojca Miklavec <mojca.miklavec.lists(a)gmail.com> wrote: > Did you try to run > luatools --selfupdate > ?

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Natural tables, offsets
by David 14 Apr '08

14 Apr '08

Hi all I'm using the natural table environment, and would like the text in each cell to have some horizontal offset from the cell boundaries - but I don't want to change the vertical offset. Is there a way to do this? Thanks David

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Streams
by Roman Sigg 13 Apr '08

13 Apr '08

Hello For a publication project in phonetics and dialectology I'd like to print the phonetic transcription and the dialect text in a two column setup. I would be interested to use context for that (more flexibility than LaTeX), but every new paragraph is printed on a new page (as Henning Hraban Ramm posted earlier). Is there a work around other than using two pages? Thanks, Roman Universität Zürich Phonogrammarchiv Roman Sigg Rämistr. 71 8006 Zürich Fon +41 44 634 39 90 Fax +41 44 634 49 68 rosigg(a)access.uzh.ch http://www.phonogrammarchiv.uzh.ch

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Re: [NTG-context] new version luatex / mkiv
by Wolfgang Werners-Lucchini 13 Apr '08

13 Apr '08

On 12 Apr 2008 at 12:00, ntg-context-request(a)ntg.nl wrote: Hallo Taco, > Real API documentation will be provided once I am past the "alpha" > release stage. At the moment, I do not trust the API enough to > expose it to anything except controlled environments (lua mplib, > newmpost) > > >> Isn't mplib a dll under windows? > > It is possible to build the unix version as a .so because support > for that comes from autofoo automatically, but that is not yet > officially supported: debugging dynamic libraries is harder than > debugging static code. On the other side, it is very easy to replace a dll by a new version, if the interface stays stable. > MPlib could become a dll on windows eventually, but first someone > will have to explain to me how to create a windows dll (and I vastly > prefer a solution that does not involve me having to pay Microsoft any > money). You have not to pay anything, to build a Dll. And there is Msys for example, which works in a unix-environment under windows. Should be no problem. > I have exactly zero knowledge in that area and do not have a > Windows installation either: the one and only XP machine here is my > wife's gaming machine and that is strictly offlimits to me. :-) > Future versions of luatex and mpost itself (and potential other > texlive programs) will almost certainly remain statically linked > because that is much more convenient for us as maintainers. If there is more than one program, which is using mplib, you have to update all theses programs, if you make some mplib changes. But I think that a dll could very much boost the metapost usage. It would than be very easy to write third party software. Wolfgang

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Re: [NTG-context] new version luatex / mkiv
by Wolfgang Werners-Lucchini 13 Apr '08

13 Apr '08

Hallo, > > is there or will there be a documented interface description for > mplib. > > In the luatex reference manual (for now). > > http://foundry.supelec.fr/plugins/scmsvn/viewcvs.php/tags/beta-0.25. > 2/manual/?root=luatex This manual is not viewable without deleting a html-frame. Or what I am doing wrong? The manual describes a lua interface. Isn't mplib a dll under windows? If yes, where can I find a header-file of the export table. If no, how have you implemented the library? Wolfgang

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Re: [NTG-context] luatexing
by Wolfgang Werners-Lucchini 13 Apr '08

13 Apr '08

On 12 Apr 2008 at 9:39, ntg-context-request(a)ntg.nl wrote: > > I have a few silly questions about > > > > tex.print() > > > > To produce > > > > $\sqrt{2}=1.4142135623731$ > > > > it should be enough to write > > > > tex.print("$\\sqrt{2}=" .. math.sqrt(2) .. "$") > > this is because \\ can mean anything, for instance it may expand to > \par or \crlf or .. May be I do not understand this right, but I thought that '\' is luas escape character and tex.print() returns '\' not '\\'. So TeX sees no macro '\\' which could expand to whatever. > there is a \luaescapestring primitive which catches things like > quotes Can you make a little example of usage? > tex.print("\detokenize{$\sqrt{2}=}" .. math.sqrt(2) .. "$") Could not find the definition of \detokenize. Wolfgang

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mplib & undefined commands
by Mojca Miklavec 13 Apr '08

13 Apr '08

Hello Hans, I have modified the gnuplot module a bit, and stumbled upon: 1.) the need for \ifx\savebuffer\undefined \else \savebuffer[...]\fi which has been expected 2.) undefined command \forceMPTEXcheck{put_text} I have now used a wrapper to skip that line in LuaTeX (btw: what's the suggested \if clause or \beginNOLUATEX to check for luatex/mkiv?) Does it make sense to define \let\forceMPTEXcheck\empty in mkiv perhaps? 3.) undefined command \obeyMPlines. I actually forgot why I needed it, but according to the comment: \obeyMPlines % <- no longer a problem \def\obeyedline{}% <- thanks to this I simply commented out the first line and hoped for no problems in mkii 4.) It seems to work without problems now, except for one tiny detail that I get in the final PDF. [do we need TeXtexts in MkIV] What is that supposed to mean? I need to admit that I have the following piece of code in the module (in case that matters). Maybe I'm the only one who uses it, so if you have any idea how to modify the macros to make \sometxt[gp][iwona,14pt]{text} work in mkiv, I will happily drop the old code/replace it for mkiv. Thanks a lot, Mojca The relevant code from the module: %D Aditya, thanks a lot for requesting it! %D Hans, thanks a lot for implementing this! \definetextext[gp]{\strut} %D TODO (feature request): %D \starttyping %D \sometxt[gp][ss,20pt]{abc} %D \stoptyping %D should become equivalent to %D \starttyping %D \sometxt{\switchtobodyfont[ss,20pt]\strut abc} %D \stoptyping %D The following patch has been written by Aditya and seems to work OK, %D however it would be more clean to have this functionality in the core. %D Redefining low-level macros might be a bit dangerous, esp. since %D they tend to change over time. %D %D TODO: remind Hans to implement it in core ;) %D and remove this patch from the module \long\def\redofiltersometxt[#1]% {\doifnextcharelse[{\reredofiltersometxt[#1]}{\redodofiltersometxt[#1]}} \long\def\redodofiltersometxt[#1]#2% {\increment\txtcounter \TeXtext[#1]\txtcounter{#2}% \filtersometxt} \long\def\reredofiltersometxt[#1][#2]#3% {\increment\txtcounter \TeXtext[#1]\txtcounter{\switchtobodyfont[#2]\strut#3}% \filtersometxt}

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updating minimals
by Jean Magnan de Bornier 13 Apr '08

13 Apr '08

Hi all, Trying this morning to update my minimal context with the first-setup script, I get this error when running "texexec --make en --luatex" ................................... LuaTools | running command: luatex --ini --lua="cont-en.luc" "/win/context/tex/texmf-context/tex/context/base/cont-en.tex" \\dump (/win/context/tex/texmf-context/tex/context/base/cont-en.tex (/win/context/tex/texmf-context/tex/context/base/context.tex (/win/context/tex/texmf-context/tex/context/base/syst-pln.tex) (/win/context/tex/texmf-context/tex/context/base/syst-prm.tex) (/win/context/tex/texmf-context/tex/context/base/luat-env.tex) (/win/context/tex/texmf-context/tex/context/base/luat-lib.tex ! LuaTeX error ...context/tex/texmf-context/tex/context/base/l-aux.lua:55: attempt to call field 'Carg' (a nil value). \ctxluabytecode ...ode " .. "#1" .. str) end end } \registerctxluafile ...{\the \luabytecodecounter } \fi l.45 \registerctxluafile{l-aux} {1.001} ? ................................... I'm lost! -- Jean

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Re: [NTG-context] mplib
by Wolfgang Werners-Lucchini 13 Apr '08

13 Apr '08

On 12 Apr 2008 at 9:39, ntg-context-request(a)ntg.nl wrote: > > \startlua > > mp = mplib.new ( { > > hash_size = 100000, > > main_memory = 2000000, > > param_size = 100000, > > } ) > > > > if mp then > > res = mp:execute( > > "beginfig(1) draw (0,0) .. (1,1) .. (2,1); endfig; bye;" ) > > tex.print("[" .. tostring(res.status) .. "]") > > mp:finish() > > end > > \stoplua > > no format, so beginfig, draw etc are unknown I thought 'plain.mem' is the default. But I see, there exists only 'metafun.mem'. So I wrote: ------------------------------------------------------ mp = mplib.new ( { hash_size = 100000, main_memory = 2000000, param_size = 100000, mem_name = "metafun.mem" } ) ------------------------------------------------------ and it get the same result > metapost.process("metafun","some commands") > > may work better ------------------------------------------------------ \startlua mp = mplib.new ( { hash_size = 100000, main_memory = 2000000, param_size = 100000 } ) if mp then res = metapost.process("metafun","beginfig(1) draw (0,0) .. (1,1) .. (2,1); endfig; bye;") tex.print("[" .. tostring(res.status) .. "]") mp:finish() end \stoplua ------------------------------------------------------ results in : ------------------------------------------------------ mplib : loading format: metafun.mp, name: d:/context/tex/texmf-cache/luatex- cache/context/c80dc1fd5292ec817c6e82c295beaf1e/formats/cont-en- metafun.mem ! Emergency stop. \@@expanded ..... "]") -- mp:finish() -- end } l.54 \stoplua ! ==> Fatal error occurred, no output PDF file produced! ------------------------------------------------------ why does it load 'metafun.mp'? after that I tried ------------------------------------------------------ \startlua mp = mplib.new ( { hash_size = 100000, main_memory = 2000000, param_size = 100000, mem_name = "metafun.mem" } ) if mp then res = metapost.process(mp, "beginfig(1) draw (0,0) .. (1,1) .. (2,1); endfig; bye;") tex.print("[" .. tostring(res.status) .. "]") mp:finish() end \stoplua ------------------------------------------------------ which gives the following error: ------------------------------------------------------ report >> error: This is MetaPost, Version 1.003 (Cweb version 0.40) I can't find the PLAIN mem file! ------------------------------------------------------ What else should I check to find the error? Wolfgang

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