- ntg-context - NTG Mailing Lists

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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Trying to make all links in my document blue instead of red or green
by T. Kurt Bond 21 Jun '21

21 Jun '21

I'm trying to make all the hyperlinks in my document blue. Here's my example: \setupinteraction [state=start, color=blue, contrastcolor=blue ] \starttext \completecontent \section{Section A} \subsection{SubSection A.A} \pagebreak[yes] \section {Section B — on another page} \subsection {SubSection B.A — on another page} \stoptext When I format it with ConTeXt (ConTeXt ver: 2021.06.18 23:37 LMTX fmt: 2021.6.19 int: english/english) links to destinations on the same page come out black while links to destinations on another page come out blue, as I'd intended. Here is a screen shot: [image: image.png] Notice that the Contents lines with Section A and SubSection A.A are black? I'd expected them to be blue. -- T. Kurt Bond, tkurtbond(a)gmail.com, https://tkurtbond.github.io

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

21 Jun '21

Dear Aditya, Your code works perfectly. Thank you for your help. Best regards, Dalyoung

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\pdfbackendcurrentresources not expanded
by Christoph Reller 21 Jun '21

21 Jun '21

Hi, Consider the following MWE, which uses the tizk module: \usemodule[tikz] \usetikzlibrary[fadings] \starttext \starttikzpicture \fill [path fading=west,red] (-1,-1) rectangle (1,1); \stoptikzpicture \stoptext When compiling with ConTeXt LMTX version 2021.06.18, the output PDF contains "\pdfbackendcurrentresources" in the middle of a resource dictionary. Apparently, this command does not get expanded but is written literally to the file, which makes the PDF corrupt. This command is used in the tikz module file pgfutil-context.def as: \def\pgf@sys@pdf@possible@resources{\pdfbackendcurrentresources} As mentioned in a comment in back-pdf.mkxl, the command is implemented in lua in lpdf-ini.lmt. The command is also used in mlib-pps.mkxl and is documented in ConTeXts interface. Can somebody tell why it is not expanded? Any help is appreciated. Cheers, Christoph

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