May 2009 - ntg-context - NTG Mailing Lists

What is equivalent of latex math aligned in ConTeXt?
by Xan 12 May '09

12 May '09

Hi, I read the document "Using \startalign and friends" of Aditya (that it's good) and I can't find anything under ams aligned. Is this an equivalent in ConText? For example, what is the equivalent of: \begin{equation*} \left.\begin{aligned} & 2^2 | n_0\\ & 4^2 | n_0 + 2 \Rightarrow (2^2)^2 | n_0 +2 \Rightarrow 2^2 | n_0 +2 \text{ ya que } 2^2 | (2^2)^2 \end{aligned}\right\} \Rightarrow 2^2 | (n_0 + 2 - n_0) \Rightarrow 2^2 | 2 \end{equation*} in ConTeXt? I tried something like: \startformula \startmathalignment \NC \startaligned \NC \lambda_{0, \lvert k - s \rvert} (n) \NC < f(n) \NR \NC \text{ per a $n$ suficientment gran } \NC \NR \stopaligned \NC \iff \startaligned \NC \lambda_{s, k} (n) \NC < f(n) \NR \NC \text{ per a $n$ suficientment gran } \NC \NR \stopaligned \NR[+] \NC \lambda_{s, k} (n) < f(n) \text{ per a $n$ suficientment gran } \NC \iff \lambda_{0, \lvert k - s \rvert} (n) < f(n) + C \text{ per a $n$ suficientment gran } \NR[+] \stopmathalignment \stopformula but " Undefined control sequence" appears to me. Thanks a lot, Xan. PS: Please CCme

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[***SPAM***] Bug? \getmarking fails under some circumstances
by Oliver Heins 12 May '09

12 May '09

Hello, I'm new to ConTeXt, so this is perhaps not a bug but a fault on my side. Under some circumstances, the living column heads fail to refer to the subsubject. As you can see from the attached minimal example \startsetups[header] \getmarking[subject]\ $\cdot$ \getmarking[subsubject] \stopsetups will yield something like »Mikrotypografie *«, though it should be »Mikrotypografie * Absatzumbruch«. If you uncomment the \subsubject-line at the end of the example, everything works as expected unless you uncomment the former line, too. A workaround is to add a \vfill\eject just before the next \subject. Best regards, olli You probably can ignore the environments used in the minimal example, they are copied from the document from which I ran into the problem and are just dummy text. I hope I have stripped down the preamble to an acceptable amount of lines. --------------------------------------------------- % interface=en output=pdftex \usetypescript[fourier][ec] \setupbodyfont[fourier,12pt] \setuppapersize [A4][A4] \usemodule[layout] \chardef\charwidthmethod=3 \def\charwidthlanguage{\currentmainlanguage} \setuplayout [width=70\averagecharwidth, height=middle, grid=yes] \startsetups[header] \hfill \getmarking[subject]\ $\cdot$ \getmarking[subsubject] \hfill \stopsetups \setupheadertexts[\setups{header}] \setuphead [title] [before=\hairline, after=\blank\leftline{\tfa Ein Beispieldokument}\blank\leftline{\tfa Oliver Heins \ss$\langle$\from[email]$\rangle$} \bigskip\hairline] \definehead[subject][section] \setuphead[subject][number=no] \definehead[subsubject][subsection] \setuphead[subsubject][number=no] \setuphead [subject] [style=\tfb] % Text \starttext \startlinecorrection \title{Mikrotypografie und Interaktivität} \stoplinecorrection \setupindenting[medium, yes] \setupwhitespace[none] \vskip-\baselineskip \subject{Mikrotypografie} Besonderes Augenmerk legt scriptorium adp auf die typografische Qualität der erzeugten Dokumente. Die von uns verwendeten Textsatzsysteme aus der Programmfamilie \TeX{} ermöglichen einen besonders hochwertigen Satz. \subsubject{Mathematiksatz} Der Mathematiksatz von \TeX{} ist legendär. Kein Wunder, wurde \TeX{} doch vom amerikanischen Informatikprofessor und Turing-Preisträger Donald Knuth entwickelt, der mit der immer schlechter werdenden Qualität seiner Buchreihe \quotation{The Art of Computer Programming} unzufrieden war, seit von Hand- auf Fotosatz umgestellt worden war. Von 1977 bis 1986 entwickelte Knuth \TeX{}: {\en\quotation{Ever since those beginnings in 1977, the TeX research project that I embarked on was driven by two major goals. The first goal was quality: we wanted to produce documents that were not just nice, but actually the best. {\dots} The second major goal was archival: to create systems that would be independent of changes in printing technology as much as possible. When the next generation of printing devices came along, I wanted to be able to retain the same quality already achieved, instead of having to solve all the problems anew. I wanted to design something that would be still usable in 100 years.}}\footnote{Donald E. Knuth, {\it Digital typography.} Stanford, Calif.: CSLI Publications, 1999, S.~559.} \TeX{} stellt im engeren Sinn lediglich eine Programmiersprache bereit, mit der sich Textsatzsysteme entwickeln lassen. Knuth entwickelte ein erstes mit dem sogenannten plain-\TeX-Format, weitere wie {\LaTeX} oder {\ConTeXt} folgten. scriptorium adp setzt die beiden letztgenannten Formate ein. Hier ein Beispiel für den Mathematiksatz von \TeX{}: \startlinecorrection \vskip-.5\baselineskip \placeformula \startformula \startmathalignment[m=2,distance=2em]%Notice distance=2em \NC \nabla\cdot \bf E \NC= \frac{\rho}{\varepsilon_0}, \NC \nabla\times \bf E \NC= -\frac{\partial \bf B}{\partial t}, \NR[+] \NC \nabla\cdot \bf B \NC= 0, \NC \nabla\times \bf B \NC= \mu_0{\bf j}+\varepsilon_0\mu_0 \frac{\partial \bf E}{\partial t}. \NR[+] \stopmathalignment \stopformula \vskip-.5\baselineskip \stoplinecorrection Auch im Fließtext ist Mathematik problemlos möglich. \startlinecorrection \placeformula \startformula f(x) = \startmathcases[style=\displaystyle] \NC \int_0^x g(y)\,dy, \NC if $x \ge 0$; \NR \NC \int_{-x}^0 g(y)\,dy, \NC otherwise. \NR \stopmathcases \stopformula \stoplinecorrection \subsubject{Absatzumbruch} Hervorzuheben ist insbesondere der absatzbasierte {\it Total|-|Fit}|-|Umbruchalgorithmus: nach einem raffinierten Optimierungsverfahren werden alle möglichen Zeilenumbrüche (inklusive Worttrennung) im Absatz gleichzeitig bestimmt und bewertet. Der Umbruch, der den besten optischen Gesamteindruck verspricht, wird dann vom System benutzt. Im Vergleich mit dem verbreiteten {\it First|-|Fit}|-|Algorithmus, der die Zeilenumbrüche Zeile für Zeile festlegt, ohne einmal umbrochene Zeilenumbruchspunkte zu ändern, ist das Schriftbild so erstellter Texte gleichmäßiger und ruhiger. Zudem setzen wir die Verfahren {\it Optischer Randausgleich} und {\it Schriftstärkenveränderung} (font expansion) ein: Während beim optischen Randausgleich bestimmte Zeichen aus dem Rand des Textblocks herausragen, um den Rand optisch zu verbessern, wird mittels der Schriftstärkenveränderung durch das {\it hz|-|Programm} der Absatzausgleich verbessert. Das Verfahren geht auf den bekannten Typografen Hermann Zapf zurück und verwendet eine leichte ($\pm$~2,5\,\perthousand) Dehnung oder Stauchung der einzelnen Zeichen. Dies ist gegenüber einer Spationierung, die den Grauwert der Seite nachhaltig stört, die bessere Lösung, um störende Leerräume insbesondere in engen Spalten zu vermeiden. Im folgenden interaktiven Beispiel bezeichnet \quotation{hanging} den optischen Randausgleich (von \quotation{hanging punctuation}, der ursprünglichen Anwendungsweise dieses Verfahrens, bei der die Satzzeichen aus dem Textblock herausragten) und \quotation{hz} die Schriftstärkenveränderung (von \quotation{hz|-|Programm}, dem nach Hermann Zapf benannten Algorithmus). %\vfill\eject \subject{Interaktivität} %foobar %\subsubject{foobar} \stoptext

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Re: [NTG-context] enco-xtx.tex is still wrong
by Yue Wang 12 May '09

12 May '09

On Tue, May 12, 2009 at 5:27 PM, Hans Hagen <pragma(a)wxs.nl> wrote: > Mojca Miklavec wrote: >>> >>> wrong: >>> f:write(format("\\XeTeXcharclass\"%04X >>> \\XeTeXcharclass%s\n",i,upper(lbc))) >>> better: >>> f:write(format("\\XeTeXcharclass\"%04X >>> \\XeTeXcharclass%s\n",code,upper(lbc))) >>> >>> But I didn't test anything at all. > > ok, i'll fix that > Hi The current version is still not right. in unicode-letters.tex, three ranges are defined to id: \ID 3400 4DB5 \ID 4E00 9FC3 \ID 20000 2A6D6 So in fact all the codes from 3400-4DB5, 4E00-9FC3, 20000-2A6D6 are assigned to \ID. these ranges are missing in xetx-cls.tex: ... \setXTXcharacterclass "3400 lb:id \setXTXcharacterclass "4DB5 lb:id ... \setXTXcharacterclass "4E00 lb:id \setXTXcharacterclass "9FBB lb:id ... \setXTXcharacterclass "20000 lb:id \setXTXcharacterclass "2A6D6 lb:id ... so in xetx.cls, the boundaries are roughly there, but all the numbers in the range are missing. Yue Wang > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com > | www.pragma-pod.nl > ----------------------------------------------------------------- >

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XeConTeXt bug report II: MetaPost Graphics
by Yue Wang 12 May '09

12 May '09

Hi, Hans and Jin-Hwan: Here is a simple ConTeXt metafun demo file: \starttext \setupcolors[state=start] \startMPpage path p ; color c[] ; p := fullsquare scaled 4cm ; c[0] := transparent(1,.5,red) ; c[1] := transparent(1,.5,green) ; c[2] := transparent(1,.5,blue) ; for i = 0 upto 2 : fill p rotated (i*30) withcolor white ; endfor ; for i = 0 upto 2 : fill p rotated (i*30) withcolor c[i] ; endfor ; addbackground withcolor transparent(1,.5,cmyk(0,0,1,0)) ; \stopMPpage \stoptext When process the file using luatex or pdftex, we can see a nice picture there. However, when 1) using pdftex to produce the dvi, and convert the dvi using dvipdfmx 2) using xetex to produce the pdf using xdvipdfmx the figure is placed at the wrong place. there will be a displacement for all the metapost figures when xetex is used to produce the graphics. I attach the wrong result in the mail. So my question is : - is this a bug in ConTeXt, or in (x)dvipdfmx. can the bug be fixed? Thanks Yue Wang

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enco-xtx.tex is still wrong
by Yue Wang 12 May '09

12 May '09

Hi, Hans, The enco-xtx.tex defination is still wrong... it behaves very differently compared to unicode-letters.tex Yue Wang

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Re: [NTG-context] in luatex/mkiv formats are generated on the fly
by Vyatcheslav Yatskovsky 12 May '09

12 May '09

Hello, Hans > in luatex/mkiv formats are generated on the fly What do you mean? That one does NOT need "context --make" at all? Best, Vaytcheslav

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texts in \component files are not present
by Wei-Wei Guo 12 May '09

12 May '09

Dear all, Text in component files are not included in the attached example. I also put the log file in it. The log shows that the component files were found and complied but their texts were not present in the generated pdf file. I'm not sure whether I did anything wrong in the example or not. I checked many time and didn't find anything. Best wishes, Wei-Wei

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Re: [NTG-context] mframed, setupinteractions
by Hans Hagen 12 May '09

12 May '09

Alan BRASLAU wrote: > Thanks (\setupinteractions[option=max], \mframed[background=color])! > > Please note that the vertical spacing seems to be off (raised) for \mframed... > minimal example: > > \starttext > \startformula > A = B + \mframed[frame=off,background=color,backgroundcolor=gray]{C} > \stopformula > \stoptext the question is ... what are reasonable defaults ... maybe set offset to 0 or use \inframed in display as well ... needs some testing and discussion Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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narrow space in "\ldots."
by Ryo Furue 12 May '09

12 May '09

Hello ConTeXt folks, I'm quite new to ConTeXt. I like it. It's way more systematic than LaTeX. Here's my first question. When omitting the last part of a sentence, I want four periods: This is a long sentence which\ldots. LaTeX produces equally-spaced four periods, but with ConTeXt, the last space is narrower than the preceding two. (See examples below.) I guess that LaTeX specifically designed its \ldots with this use (sentence-ending four dots) in mind. How can one fix it in ConTeXt? I use the "context" package version 2008.05.21-1 on Debian testing. The LaTeX is from the texlive-latex packages. Cheers, Ryo ================================ %--- ConTeXt version ---------- \starttext Hello\ldots. World.\ldots \stoptext %--- LaTeX version ------ \documentclass{article} \begin{document} Hello\ldots. World.\ldots \end{document}

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beta (11.05.2009): js interaction
by Peter Rolf 12 May '09

12 May '09

Hi, some problems with js interaction stuff. I get ! Undefined control sequence. \dopresetfieldsymbol #1->\checkobjectreferences for nearly all interaction fields in mkiv. Mkii compiles, but the pop-up tooltip is only a black box (not the text 'tooltip'). I also had some problems with PDF layer in mkiv (corrupt pdf with older betas; will investigate after this one is fixed). *Not urgent at all.* Minimal example: ---------------- \setupinteraction[state=start] \starttext Just a \tooltip{test}{tooltip}. \stoptext Time for some good news. There is nearly nothing left, that I have not tested (well, most is MP related). No further problems here (luatex0.40.1, mpost1.2). And hex colors in mkii work again :) Best wishes, Peter

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