September 2024 - ntg-context - NTG Mailing Lists

How to change the way one input file's data is displayed, depending on where it is in the document.
by Joel 25 Sep '24

25 Sep '24

I have some code like this--it is a very reduced minimum-working example, from 10,000+ lines of code: fileA.tex------------------------------ \datatypeA{fish}{an animal that lives in the sea} \datatypeA{bear}{a big animal with claws and fur} \datatypeA{squid}{a sea creature with many legs} fileB.tex------------------------------ \datatypeB{fish}{an animal that lives in the sea} \datatypeB{bear}{a big animal with claws and fur} \datatypeB{squid}{a sea creature with many legs} main.tex------------------------------ \datatypeA[2]{\startitemize \item #1 #2 \stopitemize} \datatypeA[B]{#1 -- #2} \define[8]\activity{ \subject{#1} #2 \startitemize \item #3 \item #4 \item #5 \item #6 \item #7 \stopitemize #8 } \define[2]\balloongame{ \activity{Balloon Toss Game}{Instructions}{scissors}{plates}{construction paper}{#1}{#2}{\input fileA} } \define[2]\fishinggame{ \activity{Fun Fishing Game}{Instructions}{scissors}{plates}{construction paper}{#1}{#2}{\input fileB} } \starttext \balloongame{balloons}{tape} \fishinggame{crayons}{glue} \stoptext Basically, I have different classroom activities, defined as macros. \balloongame gives all details to the teacher about a "Balloon Toss Game" and \fishinggame defines a "Fun Fishing Game". (code has been reduced and simplified significantly). The main issue I have is I have data being stored in filesA.tex, fileB.tex, etc. (there are often a dozen such files). Note that strangly the datasets are all identical, but a different file is called, and the only difference in the dataset is they call different macros. So "Balloon Game" pulls the list, but displays them in datatypeA format, the other game takes the same data, but its in a different file, and since the macros are different, it displays the information differently. Basically, I have tons of data files sharing basically the same information, but each one defined inside the file as using a different macro, according to how the information is to be displayed (maybe sometimes as a list, sometimes in a table, etc.) This method seems horribly inefficient. I should be able to store that data in one file, but display the data in different ways. The problem is if I use one format, like this... \datatype{fish}{an animal that lives in the sea} \datatype{bear}{a big animal with claws and fur} \datatype{squid}{a sea creature with many legs} ...how do I get that dataset to be included, but displayed in a different format each time? My thinking is perhaps constantly redefine the macro \datatype, but that seems still inefficient and prone to lead to errors in the code. Is that the best solution? Any suggestion for the most proper way to go about displaying the information from this file, but in different ways in the document? NOTE: My event code already uses 8 of the #1 #2 variables, so there's not really room to include that information there. --Joel

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Curious about 3D Metapost
by Shiv Shankar Dayal 25 Sep '24

25 Sep '24

Please correct me if I'm wrong. LMTX has Metapost built in then can we not write a pure lua extension of it to do real 3D probably using Vulkan? -- Respect, Shiv Shankar Dayal

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How to keep nested itemize group together with parent itemize item?
by Joel 25 Sep '24

25 Sep '24

I have a nested itemize list like this, with first a question, then answer: \starttext \startitemize[n] \startitem What is the color of the sky? \stopitem \startitemize[3] \startitem blue \stopitem \startitem green \stopitem \startitem red \stopitem \startitem yellow \stopitem \stopitemize \startitem What is the color of the grass? \stopitem \startitemize[3] \startitem blue \stopitem \startitem green \stopitem \startitem red \stopitem \startitem yellow \stopitem \stopitemize \startitem What is the color of the butterfly? \stopitem \startitemize[3] \startitem blue \stopitem \startitem green \stopitem \startitem red \stopitem \startitem yellow \stopitem \stopitemize \stopitemize \stoptext My copyeditor has noticed that often times a page break will appear after a question, leaving the answers, or some answers on a new page. He's requested I make sure the page breaks can only occur in front of a question, such that if a new page is needed, it places the question and answers always on the same page. Is there any way to make that happen in ConTeXt? --Joel

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Cron <context@cgl> /var/www/aanhet.net/context/bin/cron/context-mirror
by root＠ntg.nl 25 Sep '24

25 Sep '24

receiving incremental file list ./ ctan.lsr document-2.htm download-1.htm download-2.htm logo-ade.png logo-cts.png logo-pod.png rss.xml show-fil.pdf context/latest/ context/latest/cont-lmt.zip context/latest/cont-mpd.zip context/latest/cont-ppc.zip context/latest/cont-sci.zip context/latest/cont-tmf.zip context/latest/cont-tst.7z context/latest/cont-tst.tar.xz context/latest/cont-tst.zip general/manuals/ general/manuals/beyond.pdf general/manuals/primitives.pdf sent 193,184 bytes received 43,334,804 bytes 4,145,522.67 bytes/sec total size is 617,887,014 speedup is 14.20 Running archiver: New dir: /var/www/aanhet.net/context//htdocs/archives/context-2024-09-25.12 272209978 /var/www/aanhet.net/context//htdocs/archives/context-2024-09-25.12/latest 126745317 /var/www/aanhet.net/context//htdocs/archives/context-2024-09-25.12/current 398959391 /var/www/aanhet.net/context//htdocs/archives/context-2024-09-25.12 398959391 total

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Why does text within a very simple xtable seem to not want to take up a lot of free space?
by Felix 24 Sep '24

24 Sep '24

\setuppapersize[letter][ letter ] \setuplayout[ backspace=0.5in, topspace=0.0in, header=.5in, % No headers footer=.5in, % Space for the footer width=middle, height=middle, ] \setupbodyfont[12pt] \starttext \startxtable[frame=off,topframe=on,bottomframe=on,option=fixed,width=1tw,align=middle,] \startxrow \startxcell {\tfa\setsmallcaps \startquotation Excellence is not a skill, it's an attitude. \stopquotation - Ralph Marston } \stopxcell \stopxrow \stopxtable \stoptext inputting this code into ConTeXt LMTX 2024 will show you that text after \stopquotation will make - Ralph Marson go into a new line, but there is so much text on the sides beside the first line, that it makes me wonder why the 2nd line was even made. Did I do something wrong with my code?

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LMTX and PDF document form German »Bundesgesetzblatt«
by Pablo Rodriguez 23 Sep '24

23 Sep '24

Dear list, for some reason unknown to me, LMTX has problems with PDF documents comming form the German official gazzette. http://www.bgbl.de/xaver/bgbl/start.xav?startbk=Bundesanzeiger_BGBl&jumpTo=… contains one of the documents and here is a minimal sample: \setuplayout[page] \starttext \externalfigure[bgbl_Bundesgesetzblatt Teil I_2022_Nr. 20 vom 22.06.2022_bgbl122s0928.pdf] \stoptext The source above distorts the page presentation with LMTX, but it is perfectly fine with LuaTeX. Could anyone confirm the issue? Many thanks for your help, Pablo

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How to tell a single *.tex file to produce separate PDFs?
by Joel 23 Sep '24

23 Sep '24

I have a document that's quite long. It uses a recurse function, a bit like this: \starttext \dostepwiserecurse{1}{180}{1}{% \input chapter\recurselevel } \stoptext That produces 180 chapters of content. Anyway, my boss is upset she has to use a table of contents to navigate to the page she wants, and so wants me to split the file into 180 separate files, which somehow is going to be easier to look at. Honestly, she probably still won't ever actually look at it, but that's her requirement. The problem is, I've been splitting the file by using Print --> PDF and choosing a custom print range, and then saving it. If I ned to repeat that 180 times, it not only will have errors, but probably take 5-10 hours. Is there something I can put, like \breakpdf or something that will tell it to start a new PDF file? They can be named something like file1.pdf, file2.pdf, etc. \starttext \dostepwiserecurse{1}{136}{1}{% \input chapter\recurselevel \breakpdf } \stoptext The perhaps "obvious" answer is just make 180 *.tex files, but since the minimal example above is like 0.01% of the complexity of the real file, that isn't so easy... --Joel

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appendaction in "shipouts" "after" fails in the latest version
by 黄复雄 23 Sep '24

23 Sep '24

Hello, dear Hans. I have a Lua module that doesn't work in the latest version 2024.08.16 16:30. After investigation, I found that the errors first occurred in the appendaction. It could be appended normally in the version 2024.04.01 08:59, but failed in the latest version. So, I made a minimum runnable example for the appendaction problem, mini-try.lmtx, as ```ConTeXt \startluacode Moduledata = Moduledata or {} Moduledata.vtypeset = Moduledata.vtypeset or {} function Moduledata.vtypeset.rotate_all1(head) print(">>>>>> HERE IS ROTATE_ALL1") return head, done end function Moduledata.vtypeset.rotate_all2(head) print(">>>>>> HERE IS ROTATE_ALL2") return head, done end nodes.tasks.appendaction("processors", "after", "Moduledata.vtypeset.rotate_all1") nodes.tasks.appendaction("shipouts", "after", "Moduledata.vtypeset.rotate_all2") -- fails here \stopluacode \starttext try \stoptext ``` Compiled the mini-try.lmtx and got outputs in terminal: ```text D:\ah21\TEX\vertical-typesetting>cd d:\ah21\TEX\vertical-typesetting & chcp 65001 & context d:\ah21\TEX\vertical-typesetting\mini-try.lmtx Active code page: 65001 resolvers | formats | executing runner 'run luametatex format': luametatex --jobname="d:/ah21/TEX/vertical-typesetting/mini-try.lmtx" --socket --shell-escape --fmt=D:/venvs/context-win64/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt --lua=D:/venvs/context-win64/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="d:/ah21/TEX/vertical-typesetting/mini-try.lmtx" --c:input="d:/ah21/TEX/vertical-typesetting/mini-try.lmtx" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="D:/venvs/context-win64/tex/texmf-win64/bin" system > system > ConTeXt ver: 2024.08.16 16:30 LMTX fmt: 2024.9.15 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name 'D:/venvs/context-win64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name 'D:/venvs/context-win64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname 'd:/ah21/TEX/vertical-typesetting/mini-try', input 'd:/ah21/TEX/vertical-typesetting/mini-try.lmtx', result 'd:/ah21/TEX/vertical-typesetting/mini-try' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 2, name 'd:/ah21/TEX/vertical-typesetting/mini-try.lmtx' fonts > preloading latin modern fonts (second stage) fonts > 'fallback modern rm 12pt' is loaded >>>>>> HERE IS ROTATE_ALL1 >>>>>> HERE IS ROTATE_ALL1 lua error > lua error on line 1 in file d:/ah21/TEX/vertical-typesetting/mini-try.lmtx: registered function call [254]: ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: attempt to call a nil value stack traceback: ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: in upvalue 'compile' ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:231: in upvalue 'create' ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:247: in upvalue 'actions' ...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:38: in function <...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:37> (...tail calls...) 1 >> \startluacode 2 Moduledata = Moduledata or {} 3 Moduledata.vtypeset = Moduledata.vtypeset or {} 4 5 function Moduledata.vtypeset.rotate_all1(head) 6 print(">>>>>> HERE IS ROTATE_ALL1") 7 return head, done 8 end 9 10 function Moduledata.vtypeset.rotate_all2(head) 11 print(">>>>>> HERE IS ROTATE_ALL2") mtx-context | fatal error: return code: 1 D:\ah21\TEX\vertical-typesetting> ``` and got a mini-try-error.log: ```text return { ["filename"]="d:/ah21/TEX/vertical-typesetting/mini-try.lmtx", ["lastcontext"]="", ["lastluaerror"]="registered function call [254]: ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: attempt to call a nil value\nstack traceback:\n ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: in upvalue 'compile'\n ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:231: in upvalue 'create'\n ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:247: in upvalue 'actions'\n ...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:38: in function <...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:37>\n (...tail calls...)", ["lasttexerror"]="", ["linenumber"]=1, ["luaerrorline"]="328", ["offset"]=10, ["skiplinenumber"]=1, } ``` and got a mini-try.log: ```text system > system > ConTeXt ver: 2024.08.16 16:30 LMTX fmt: 2024.9.15 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name 'D:/venvs/context-win64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name 'D:/venvs/context-win64/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname 'd:/ah21/TEX/vertical-typesetting/mini-try', input 'd:/ah21/TEX/vertical-typesetting/mini-try.lmtx', result 'd:/ah21/TEX/vertical-typesetting/mini-try' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 2, name 'd:/ah21/TEX/vertical-typesetting/mini-try.lmtx' fonts > preloading latin modern fonts (second stage) fonts > 'fallback modern rm 12pt' is loaded lua error > lua error on line 1 in file d:/ah21/TEX/vertical-typesetting/mini-try.lmtx: registered function call [254]: ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: attempt to call a nil value stack traceback: ...n64/tex/texmf-context/tex/context/base/mkiv/util-seq.lua:328: in upvalue 'compile' ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:231: in upvalue 'create' ...n64/tex/texmf-context/tex/context/base/mkxl/node-tsk.lmt:247: in upvalue 'actions' ...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:38: in function <...n64/tex/texmf-context/tex/context/base/mkxl/node-shp.lmt:37> (...tail calls...) 1 >> \startluacode 2 Moduledata = Moduledata or {} 3 Moduledata.vtypeset = Moduledata.vtypeset or {} 4 5 function Moduledata.vtypeset.rotate_all1(head) 6 print(">>>>>> HERE IS ROTATE_ALL1") 7 return head, done 8 end 9 10 function Moduledata.vtypeset.rotate_all2(head) 11 print(">>>>>> HERE IS ROTATE_ALL2") ``` My question is: Can I still appendaction in "shipouts" "after"? If so, how to do it? Best regards, 黄复雄(Huang Fusyong)

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Envelopes and shaded paths
by Keith McKay 22 Sep '24

22 Sep '24

Hi, I have been playing about with envelopes to produce shaded paths as described in the new LuaMetFun manual, see page 105 therein. Using the code below I wanted to produce a shaded path, in this case a curve and then rotating it in 5 degree steps from 0 to 355 degrees to produce a kind of spiral. Here is the code: \startMPpage pair A,B; path p, psubPath, asPathEnvelope; A = (0cm,0cm);B = (5cm,0cm); p = A{dir 60}.. B; fill fullsquare scaled 12cm withcolor 0.5[blue,white]; for i = 0 step 5 until 355: psubPath := (subpath((0.1 * length p), (1 * length p))of p)rotated i; asPathEnvelope := envelope pensquare scaled 0.5mm of psubPath; fill asPathEnvelope rotated i yscaled 1 withshademethod "linear" withshadecolors (0.5[blue,white],white); endfor; \stopMPpage I had expected to get a series of curves where the outer point of the curve was white, shading down to 0.5[blue,white]at the inner point of the curve. I was expecting the shading to remain that way, however, as the curve is rotated round, the shading effect slowly changes until it is reversed, and as it continues to be rotated it returns to it original shading. Although I quite like that effect, it's a nice feature, I would like to be able to produce the shading the way I wanted. A while back Hans explained to me why this happened and how I could remedy it, but unfortunately my aged memory has failed me and I cant remember how to do it. So I thought the youthful brains of the ConTeXt group may be able to help out, and it might be of interest in any case. I attach a pdf of the spiral effect. Best Wishes Keith McKay

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Same font for metafun as document
by Shiv Shankar Dayal 22 Sep '24

22 Sep '24

Suppose I use dejavu fonts for the main document then how can I have metafun use the same fonts for labelling. All the metafun code is inline. -- Respect, Shiv Shankar Dayal

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