June 2021 - ntg-context - NTG Mailing Lists

Setup output name from within ConTeXt document
by Pascal Pascali 23 Jun '21

23 Jun '21

Dear ConTeXt community, Is it possible to set the file name of the output from within the document? I can do it on the command line by adding --result="CustomName.pdf", but I'd need to do it according to certain variables in the content of the file itself... Setupinteraction[title="CustomName.pdf"] will just set the internal pdf name, not the file system name. Thank you for your help! Best regards, Pascal

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rtl fontfallback family issue?
by Alan Bowen 23 Jun '21

23 Jun '21

With the latest LMTX standalone (ConTeXt ver: 2021.06.18) the Syriac text is not printed. \setupdirections[bidi=global, method=unicode] \definefontfeature [syriac] [syriac] [language=dflt, script=syrc] \definefallbackfamily[mainface][rm][Estrangelo Edessa] [range={syriac}, features=syriac] \definefontfamily[mainface][STIX Two Text] \setupbodyfont[mainface, 18pt] \starttext Syriac { ܐܝܟ ܟܝܢܐ ܕܐܐܪܣ ܡܲܥܕܢܘܬܗܘܢ ܘܡܲܥܒܿܕܝܢ ܩܪ̈ܒܐ ܘܚܣܡܐ ܠܗܠܝܢ } \stoptext The same is true if I use \def\Syr{\definedfont[name:estrangeloedessa*syriac]} and insert \Syr before the Syriac text. I have the same issue with my Arabic font fallback but not with my Greek font fallback. Alan

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splitting tables from csv with first row as header
by Jan U. Hasecke 23 Jun '21

23 Jun '21

Hi all, I have this sample: \usemodule[database] \setuppapersize [A6] \setupTABLE [split=yes, header=repeat] \defineseparatedlist [test] [separator={;}, % tab before=\bTABLE,after=\eTABLE, first=\bTR,last=\eTR, left=\bTD,right=\eTD] \starttext \processdatabasefile[test][test.csv] \stoptext A test.csv is attached. The table splits but no header is repeated. I guess I have to define that the first row in the file is the header. How to achieve this? TIA juh

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WG: Adjust Grid to last line textheight
by denis.maier＠unibe.ch 23 Jun '21

23 Jun '21

Hi, I have to use grid typesetting and the grid has to be aligned to the last line of textheight. I have to replicate a layout made with Indesign where there seems to be a bit of additional spacing before the first line, whereas in ConTeXt that happens to be after the last line of the page (see attachment). Is that possible? I have already found the various grid snapping methods, but they seem to change how content is placed on the grid, not the placement of the grid itself. ======= \setuplayout[grid=yes] \showgrid \starttext \input knuth \stoptext ======= Best, Denis

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endash emdash
by Jan U. Hasecke 23 Jun '21

23 Jun '21

Dear all, I am completely lost with a ridicously small problem. \starttext -- --- – \stoptext ConTeXt creates two endash rules and a very long dash in the middle, as I expected. But in my project I always get the plain source chars. I have no idea where I accidentally misconfigured this. For which commands shall I grep in my sources? TIA juh

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Question about "streams" module
by MANUEL GONZALEZ SUAREZ 23 Jun '21

23 Jun '21

Hello everybody: My question is this: Is the "streams" module obsolete? If not, where can I find documentation on its use? Thanks M. González.

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the --path option
by juh 22 Jun '21

22 Jun '21

Hi all, in my document I have to set a long path to my environment files: \environment ../../../hs.pub.context/env-fonts I wonder if I can use the option --path to set hs.pub.context as input folder to look for environment files. But I have no idea how to pass a "list" to this option as --help tells, and if it is the right option to achieve what I want. TIA Jan Ulrich Hasecke -- Autoren-Homepage: ......... http://literatur.hasecke.com Satiren & Essays: ......... http://www.sudelbuch.de Privater Blog: ............ http://www.hasecke.eu Netzliteratur-Projekt: .... http://www.generationenprojekt.de

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Concatenate buffers without newline
by Pascal Pascali 22 Jun '21

22 Jun '21

Hello! Is there a way to concatenate predefined blocks or buffers without ConTeXt printing newlines between them? I'd like to have something like: \startBitOfData [name1] Some part of paragraph here. \stopBitOfData \startBitOfData [name2] Some more going on here. \stopBitOfData And then: \getBitOfData [name1] \getBitOfData [name2] Outputting: Some part of paragraph here. Some more going on here. Not outputting: Some part of paragraph here. Some more going on here. Thank you for any tip! Best regards, Pascal

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Re: [NTG-context] simplifying repeated macro calls in metafun
by Jeong Dal 22 Jun '21

22 Jun '21

Dear Otared, I received list mail in condensed form, I didn’t see your mail before I sent one. As Mikael explained, “whatever” is very nice to find the intersection point of two lines. You can see nice examples which use “whatever” in MetaFun manual. In my code, the next point is the intersection point of the edge and the folding line which bisect the angle of the former folding line [M,N]. H := whatever[N, N + dir(.5*angle(M-N))*u] = whatever[A,B]; Enjoy the use of “whatever”! I made an animation of the folding process using animation module and \processMPbuffer. But Woldgang’s code showed a way to make it using \startuseMPgraphic. Best regards, Dalyoung

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simplifying repeated macro calls in metafun
by Jeong Dal 21 Jun '21

21 Jun '21

Hi, I defined a macro definition in metafun, and draw figures using \startbuffer[] … \stopbuffer and \processMPbuffer[]. As you see in the attached code, the same macro definition is used repeatedly by changing the numeric argument. Is there a better way to simplify the code, for example, using \dorecurse and recurselevel? Thank you for reading. Best regards, Dalyoung \startbuffer[UDBasic] pair A,B,C,D; pair E, F, G, H; path p,q; numeric ang,maxNum; u:=1in; A=(.95*TextWidth,u); B=(0,u); C=(0,0); D=(.95*TextWidth,0); p := A--B--C--D; q := (TextWidth,1.5u)--(0,1.5u)--(0,-.5u)--(TextWidth,-.5u)--cycle; z0=(.1u,0); vardef nextPt (expr M,N) = if ypart(N) = 0: H := whatever[N, N + dir(.5*angle(M-N))*u] = whatever[A,B]; else: H := whatever[N, N + dir(.5*angle(M-N))*u] = whatever[C,D]; fi; H enddef; def grayUD(expr i) = draw G -- if ypart(B)=ypart(G): B -- C else: C -- B fi --z[i]; filldraw z[i]+2*(G-z[i])*u -- z[i] -- z[i+1] -- z[i+1]+(G-z[i])*u -- cycle withcolor .75white; draw G -- z[i+1] dashed evenly; draw z[0] for k=0 upto i: --z[k] endfor dashed evenly; clip currentpicture to q; enddef; def linesUD(expr i) = draw p; draw z0 for k=0 upto i+1: --z[k] endfor dashed evenly; setbounds currentpicture to boundingbox q; enddef; \stopbuffer \startbuffer[UDpts] ang := 40; z[1] = whatever[z[0], z[0]+dir(ang)*u] = whatever[A,B]; G := whatever[z[0], z[0]+dir(2*ang)*u] = whatever[A,B]; for k = 2 upto 20: z[k] = nextPt(z[k-2],z[k-1]); maxNum := k; exitif xpart(z[k]) > TextWidth; endfor; \stopbuffer \startbuffer[UD0] draw p; setbounds currentpicture to boundingbox q; \stopbuffer \startbuffer[UD1] grayUD(0); \stopbuffer \startbuffer[UD11] linesUD(0); \stopbuffer \startbuffer[UD2] G := z0; grayUD(1) \stopbuffer \startbuffer[UD21] linesUD(1); \stopbuffer \startbuffer[UD3] G := z1; grayUD(2); \stopbuffer \startbuffer[UD31] linesUD(2); \stopbuffer \startbuffer[UD4] G := z2; grayUD(3); \stopbuffer \startbuffer[UD41] linesUD(3); \stopbuffer \startbuffer[UD5] G := z3; grayUD(4); \stopbuffer \startbuffer[UD51] linesUD(4); \stopbuffer \startbuffer[UDFinal] draw p; draw z0--z1--z2--z3--z4--z5--z6--z7--z8 dashed evenly; setbounds currentpicture to boundingbox q; \stopbuffer \starttext \processMPbuffer[UDBasic,UDpts,UD0] \processMPbuffer[UDBasic,UDpts,UD1] \processMPbuffer[UDBasic,UDpts,UD11] \processMPbuffer[UDBasic,UDpts,UD2] \processMPbuffer[UDBasic,UDpts,UD21] \processMPbuffer[UDBasic,UDpts,UD3] \processMPbuffer[UDBasic,UDpts,UD31] \processMPbuffer[UDBasic,UDpts,UD4] \processMPbuffer[UDBasic,UDpts,UD41] \processMPbuffer[UDBasic,UDpts,UD5] \processMPbuffer[UDBasic,UDpts,UD51] \processMPbuffer[UDBasic,UDpts,UDFinal] \stoptext

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