March 2015 - ntg-context

Exporting highlights
by Idris Samawi Hamid ادريس سماوي ح امد 16 Mar '15

16 Mar '15

Dear gang, Ok, I'm rolling up my sleeves and taking another stab at exporting to xhtml (maybe even epub). Major project, so taking this one small step at a time. The immediate aim is to get correct output in a browser (I use Opera, and Chrome as a control). Test files attached. Immediate problem is highlights. ============export-highlight.tex============== \setupbackend [export=yes,css=highlight.css] \definehighlight[emphasis] [style=italic] \definehighlight[important][style=bold] \definehighlight[regular][style=\tf] \starttext \startchapter[title=Highlights] \startparagraph This is \emphasis{emphasis}. This is \important{important}. This is \regular{regular}. This is \emphasis{some emphasized text, with \regular{regular} in between}. This is \important{some important text, with \regular{regular} in between}. \stopparagraph \stopchapter \stoptext =============================================== In highlight.css (copied from export-sample.css and modified) I added these lines: ================== highlight [detail="emphasis"]{ font-weight : italic ; } highlight [detail="important"]{ font-weight : bold ; } highlight [detail="regular"]{ font-weight : regular ; } ================== Results: =======export-highlight-tag.xhtml======== <sectioncontent> <paragraph>This is <highlight detail="emphasis">emphasis</highlight>. This is <highlight detail="important">important</highlight>. This is <highlight detail="regular">regular</highlight>. <break/> This is <highlight detail="emphasis">some emphasized text, with <highlight detail="regular">regular</highlight> in between</highlight>. <break/> This is <highlight detail="important">some important text, with <highlight detail="regular">regular</highlight> in between</highlight>.</paragraph> </sectioncontent> =======export-highlight-div.xhtml======== <div class="paragraph">This is <div class="highlight emphasis">emphasis</div>. This is <div class="highlight important">important</div>. This is <div class="highlight regular">regular</div>. <div class="break"></div> This is <div class="highlight emphasis">some emphasized text, with <div class="highlight regular">regular</div> in between</div>. <div class="break"></div> This is <div class="highlight important">some important text, with <div class="highlight regular">regular</div> in between</div>.</div> ========================================= Observation: Opera won't render *-raw.xml, so we ignore that file. In a browser we have Challenge 1: Neither export-highlight-tag.xhtml nor export-highlight-div.xhtml renders the highlights. What do we need to do? Challenge 2: export-highlight-div.xhtml breaks the line before a highlight as well as after a highlight. What is missing here? Aim: To turn my current project into an epub, or at least something that can be viewed in a browser (xhtml). Caveat: I don't know much web development (css, xhtml, div, etc) but am willing to work with what I have... but only IF there is a finish line. If there is no finish line (i.e., things are too broken at the moment to get the mission accomplished via what ConTeXt and CSS provide) kindly let me know so I can stop now! Henning Hraban Ramm and Aditya Mahajan mentioned XSLT stylesheets, but this is probably way above my paygrade, unless someone can give me very simple newbie pointers. Thanks to all in advance and Best wishes Idris -- Idris Samawi Hamid Professor of Philosophy Colorado State University Fort Collins, CO 80523

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Styling captions inside \startcombination ... \stopcombination
by Mojca Miklavec 16 Mar '15

16 Mar '15

Hello, I'm using the following code to make the figure captions smaller: \setupcaptions[style={\switchtobodyfont[8pt]}] Now I'm looking for the magic keywoard to also decrease the size of captions inside combinations, as in the following case for example (otherwise the "subcaptions" are too big in comparison): \setupcaptions[style={\switchtobodyfont[8pt]}] \setupexternalfigures[location={default}] \starttext \placefigure{Cows in \ConTeXt} {\startcombination[2*1] {\mirror{\externalfigure[cow][width=4cm]}}{First cow} {\externalfigure[cow][width=4cm]}{Second cow} \stopcombination} \stoptext Thank you, Mojca

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currentreferencerealpage wrong (how to detect even/odd pages?)
by Harald Koenig 16 Mar '15

16 Mar '15

Hi, right now I use \currentreferencerealpage to detect if I'm on an even or odd page (because my picture placement rules depend on it) like this: \newcount\bildpage \bildpage=1 % ... \def\bild#1...{% {\global\bildpage=\realpageno}% \ifodd\bildpage \def\eo{o}\else \def\eo{e}\fi % ... \if o\eo odd...\else even...\fi \message{>> bildpage=\the\bildpage \space eo=\eo \space currentreferencerealpage=\currentreferencerealpage \space << }% } but now I notice that for some pages/pictures the value of \currentreferencerealpage is not correct (only for the first picture on a new page?):-( I'm writing some ">> ... <<" data to the log file: pages > flushing realpage 34, userpage 34 >> bildpage=35 eo=o currentreferencerealpage=35 << >> bildpage=35 eo=o currentreferencerealpage=35 << pages > flushing realpage 35, userpage 35 >> bildpage=35 eo=o currentreferencerealpage=35 << >> bildpage=36 eo=e currentreferencerealpage=36 << pages > flushing realpage 36, userpage 36 >> bildpage=37 eo=o currentreferencerealpage=0 << >> bildpage=37 eo=o currentreferencerealpage=0 << >> bildpage=37 eo=o currentreferencerealpage=0 << typically after that "flushing realpage XX, userpage XX" messages (not from me;) the currentreferencerealpage is set to the new page number. but NOT for page 36: here after "flushing realpage 35" it's still currentreferencerealpage=35 for the first picture on this page:-( any idea how this can go wrong ? what can I test, which debug info can I provide ? is there a possible the attached zip file contains a "minimal" example with only 2 pages and 4 images: on the 2nd page (#36) the first image should bleed to the left like all other pictures... so far this seems to happen 3 times according to the log file: pages > flushing realpage 10, userpage 10 >> bildpage=11 eo=o currentreferencerealpage=11 << >> bildpage=12 eo=e currentreferencerealpage=12 << pages > flushing realpage 11, userpage 11 pages > flushing realpage 14, userpage 14 >> bildpage=15 eo=o currentreferencerealpage=15 << >> bildpage=15 eo=o currentreferencerealpage=15 << >> bildpage=16 eo=e currentreferencerealpage=16 << pages > flushing realpage 15, userpage 15 thanks for any help, Harald -- "I hope to die ___ _____ before I *have* to use Microsoft Word.", 0--,| /OOOOOOO\ Donald E. Knuth, 02-Oct-2001 in Tuebingen. <_/ / /OOOOOOOOOOO\ \ \/OOOOOOOOOOOOOOO\ \ OOOOOOOOOOOOOOOOO|// \/\/\/\/\/\/\/\/\/ Harald Koenig // / \\ \ koenig(a)tat.physik.uni-tuebingen.de ^^^^^ ^^^^^

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Different output with \blank[force, ...] in MkII and MkIV
by Wolfgang Schuster 16 Mar '15

16 Mar '15

Hi, the force keyword for the \blank commands create an unwanted space in MkIV when you use it at the begin of page compared with MkII. Attached are the results from MkII and MkIV which have been produced with the following example. In MkIV the first page has an extra line while the space on the second page is smaller than a complete line. %%%% begin example \setuppapersize[A7][A7] \showgrid \starttext \blank[force,line] text \page text \blank[force,line] text \stoptext %%%% end example Kind regards, Wolfgang

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Problem in using vlingrid() and hlingrid() macros (Metafun)
by Fabrice Couvreur 15 Mar '15

15 Mar '15

Hi, I encounter some problems in the use of vlingrid() and hlingrid() macros. In the code below, we see that the grid is not correct. Does the code can be improved ? thank you, Fabrice \starttext \startMPcode path p ; u := 2cm ; v:= 1cm ; p := (-u,-5v)--(3u,-5v)--(3u,4v)--(-u,4v)--cycle ; drawoptions(withpen pencircle scaled 0.5pt withcolor \MPcolor{mycolor}); draw vlingrid(-u,3u,u,4u,9v) shifted (0,-5v) ; draw hlingrid(-5v,4v,v,9v,4u) shifted (-u,0) ; drawoptions(withpen pencircle scaled 1pt) ; drawarrow (-u,0)--(3u,0) ; drawarrow (0,-5v)--(0,4v) ; draw curvedfunction ("x", "3*x*x-5*x+1", -1, 3, 0.01) xyscaled (u,v) withcolor red ; draw curvedfunction ("x", "-5*x+1", -1, 3, 0.01) xyscaled (u,v) withcolor blue ; draw curvedfunction ("x", "7*x-11", -1, 3, 0.01) xyscaled (u,v) withcolor green ; label.bot(btex $x$ etex,(2.97u,-0.1v)) ; label.rt(btex $y$ etex,(0.01u,3.9v)) ; label.llft("0",(0,0)) ; dotlabel.urt("A",(0,v)) ; dotlabel("",(u,-4v)) ; label.rt("C",(1.02u,-4v)) ; dotlabel.lrt("B",(2u,3v)) ; label.bot("1",(u,0)) ; label.lft("1",(0,v)) ; clip currentpicture to p ; \stopMPcode \stoptext

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Tables, Row Span, and Colors
by Troy Henderson 14 Mar '15

14 Mar '15

The following code produces my table, but I could not get the text "Region" to span rows 3-7. So, I would like 1. the word "Region" to be inside the table and not "hacked" in the way that I have it. 2. to make the (spanned) cell containing "Years" have a gray background. 3. to make each of the "column heading" cells (i.e., the ones containing "<1", "1-2", ..., "15+", and "Total" to have a gray background. 4. to have the (spanned) cell containing "Region" (from #1) have a gray background. 5. to have the "row heading" cells (i.e., the ones containing "East", Midwest", "South", "West", and "Total") have a gray background. I would appreciate any help in attaining this wish list. Thanks in advance, Troy —— Code Starts Here —— \setupcolors[state=start] \starttext \null\vskip15ex \hskip1em\framed[orientation=90,frame=off]{\bf Region}\blank\vskip-25.5ex \starttable[|c|l|r|r|r|r|r|r|r|] \DC \DC \DL[7] \DR \NC \NC \VL \use{7}\ReFormat[cB]{Years} \VL \AR \DC \DC \DL[7] \DR \NC \NC \VL \ReFormat[cB]{$<1$} \VL \ReFormat[cB]{$1-2$} \VL \ReFormat[cB]{$3-4$} \VL \ReFormat[cB]{$5-9$} \VL \ReFormat[cB]{$10-14$} \VL \ReFormat[cB]{$15+$} \VL \ReFormat[cB]{Total} \VL \AR \HL % \VL \offset[y=8ex]{\framed[orientation=90,frame=off]{\bf Region}} \VL East \VL 32 \VL 54 \VL 59 \VL 112 \VL 77 \VL 118 \VL 452 \VL \AR \VL \null\hskip2em\null \VL {\bf East} \VL 32 \VL 54 \VL 59 \VL 112 \VL 77 \VL 118 \VL 452 \VL \AR \VL \VL {\bf Midwest} \VL 31 \VL 68 \VL 68 \VL 120 \VL 63 \VL 173 \VL 523 \VL \AR \VL \VL {\bf South} \VL 53 \VL 92 \VL 93 \VL 158 \VL 106 \VL 158 \VL 660 \VL \AR \VL \VL {\bf West} \VL 41 \VL 56 \VL 67 \VL 78 \VL 45 \VL 86 \VL 373 \VL \AR \DC \DL[8] \DR \VL \VL {\bf Total} \VL 157 \VL 270 \VL 287 \VL 468 \VL 291 \VL 535 \VL 2008 \VL \AR \HL \stoptable \stoptext

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How to Centre Multi-line Verbatim Text
by Emmanuel Asante 14 Mar '15

14 Mar '15

Hello All, I am trying to centre a multi-line verbatim text horizontally on the page but I cannot figure out how to do that. With the code below how can I centre the whole block horizontally on the page? \setuptyping[TEX] \startTEX RSpec.describe Post, :type => :model do end \stopTEX Thanks Emmanuel

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\placefootnotes at the end of each chapter, conditionally
by Alan BRASLAU 13 Mar '15

13 Mar '15

I have a simple problem: I would like to place \startsubject[title=Footnotes] \placefootnotes \stopsubject at the end of each chapter, thus effectively before each \stopchapter BUT only if there are footnotes to be placed, i.e. I do not want to have empty Footnotes subjects appearing in my document. Supplementary question, just for fun: how to specify title=Footnote if there is only one? Thanks Alan

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Problem with MkIV and TikZ picture remembering
by Jörg Weger 13 Mar '15

13 Mar '15

In the minimal working example below inside of a text two words should be printed inside of rounded TikZ rectangles and should be connected by an TikZ arrow pointing from the first word to the other. TikZ offers the remember picture/overlay option for that. The MWE works in MkII (command “texexec”) which I am not using, but not in the latest MkIV (command “context”). The problem might be that according to the PGF/TikZ manual “You need to use a driver that supports picture remembering and you need to run TEX twice” (16.13.1 Referencing a Node in a Different Picture). So my questions are: 1.) Does LuaTeX support TikZ picture remembering? 2.) If so, how can I get ConTeXt MkIV to “run TeX twice”? 3.) If all of the above worked, would that work also if the inline TikZ pictures to be remembered are on another file referenced via \input? I have seen a solution similar to what I want to achieve in the METAFUN manual but I don’t have a clue how to get that METAPOST alternative working. Greetings Jörg %%%%%%%%%%%%%%%% START MWE %%%%%%%%%%%%%%%%%%%%%%%%%%%%% \usemodule[tikz] \usetikzlibrary[shapes.misc,arrows] \starttext \tikz[baseline,remember picture] \node[rounded rectangle,draw,anchor=text] (n1) {this}; belongs to \tikz[baseline,remember picture] \node[rounded rectangle,draw,anchor=text] (n2) {that}; \starttikzpicture [remember picture,overlay] \draw[->] (n1.north) to [bend left] (n2.north); \stoptikzpicture \stoptext %%%%%%%%%%%%%%%% STOP MWE %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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Re: [NTG-context] component not included
by Wolfgang Werners-Lucchini 12 Mar '15

12 Mar '15

> > What I am doing wrong? > > Ignore the project file and load the environment file instead at the > begin of your product and component files. > > Wolfgang This is not working! And what shall I do if I have more than one product? Wolfgang ------------------------------------ mtx-context | run 1: luatex --fmt="E:/LuaTeX/tex/texmf- cache/luatex- cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont- en" --jobname="pd-medizin" --lua="E:/LuaTeX/tex/texmf-cache/luatex- cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luatex/cont- en.lui" --no-parse-first-l ine --c:autopdf --c:currentrun=1 --c:fulljobname="./pd-medizin.tex" -- c:input="./pd-medizin.tex" --c:kindofrun=1 --c:maxnofruns=8 "cont- yes.mkiv" This is LuaTeX, Version beta-0.79.1 (TeX Live 2014/W32TeX) (rev 5024) \write18 enabled. (E:/LuaTeX/tex/texmf-context/tex/context/base/cont-yes.mkiv ConTeXt ver: 2013.11.01 15:02 MKIV beta fmt: 2014.6.29 int: english/english system > 'cont-new.mkiv' loaded (E:/LuaTeX/tex/texmf-context/tex/context/base/cont-new.mkiv) system > files > jobname 'pd-medizin', input './pd-medizin', result 'pd-medizin' fonts > latin modern fonts are not preloaded languages > language 'en' is active (//HP/ga/Medizin/pd-medizin.tex (env-medizin.tex fonts > preloading latin modern fonts (third stage) fonts > typescripts > unknown library 'loc' {E:/LuaTeX/tex/texmf/fonts/map/dvips/lm/lm- math.map}{E:/LuaTeX/tex/texmf/fonts/map/dvips/lm/lm- rm.map}{E:/LuaTeX/tex/texmf-context/fonts/map/pdftex/context/mkiv- base.map} fonts > 'fallback modern ss 11pt' is loaded ) (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd- medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd- medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex ( pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd- medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex (pd-medizin.tex (test.tex ! TeX capacity exceeded, sorry [text input levels=127] system > tex > error on line 5 in file test.tex: TeX capacity exceeded, sorry [ ... 1 \environment env-medizin 2 %\project pj-medizin 3 \product pd-medizin 4 \startcomponent test 5 >> test 6 \stopcomponent 7 ! ==> Fatal error occurred, no output PDF file produced! mtx-context | fatal error: return code: 1>Exit code: 1 ------------------------------------

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