February 2015 - ntg-context - NTG Mailing Lists

My Way Math align
by Otared Kavian 10 Feb '15

10 Feb '15

Hi Aditya, I couldn’t find your May Way about Math Align on the wiki: actually I wanted to give the URL to Joerg van den Hoff who was asking a question about \cases, but with Google I found only a version going back to August 2006. However I have a version dating from May 29, 2010 (using stix fonts I guess). Could you please leave a copy of the most recent version on the wiki? It would be extremely useful… Best regards: OK

1 0

Flowchart fatal error
by Willi Egger 10 Feb '15

10 Feb '15

Hi all, I experienced a fatal error when wanting to compile a FLOWchart, which compiled normally before. I get the following error: ! Undefined control sequence <recently read> \FLOW_chart \FLOW_charts ...c!state =\v!start ,#2]\FLOW_chart [#1][]\endgroup <to be read again> \stoptext I used first a version from january, then updated to current version: 2015.02.03 23:55, but still get the same error. Thanks for looking into this. Kind regards WIlli

2 1

enumeration of equations containing \mathcases
by j. van den hoff 10 Feb '15

10 Feb '15

hi list, admittedly I've posted this problem two times 6-8 weeks ago already but since I did not get a single response (not even RTFM...) I try it now a third time (hoping this is not considered spamming the list ...): question: how can I get properly aligned enumeration of equations that use `\mathcases'. example: 8<-------------------------------------------------------------- bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla \placeformula \startformula K_1 \rightarrow \startmathcases \NC f \NC for $f \ll PS$ (flow limited transport) \NR \NC PS \NC for $f \gg PS$ (diffusion limited transport) \NR[+] \stopmathcases \stopformula bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla \stoptext 8<-------------------------------------------------------------- does "subcases enumeration" in the second case but this is not aligned with the right text margin so it can not be used easily to "fake" the enumeration of the whole equation. \placeformula on the other hand does not print an equation number at all (contrary to what it usually does. I'm at a loss how to solve this... thx,joerg

2 2

Hatch an area with Metapost (Metafun)
by Fabrice Couvreur 10 Feb '15

10 Feb '15

Hi, How hatched trapezoid MBCD ? Best regards, Fabrice \starttext \startMPcode path p ; p=unitsquare scaled 4cm ; draw p ; pair z ; z=point 3.6 of p ; draw z--urcorner p ; label.llft(btex B etex,llcorner p) ; label.lrt(btex C etex,lrcorner p) ; label.ulft(btex A etex,ulcorner p) ; label.urt(btex D etex, urcorner p) ; label.lft(btex M etex, z) ; \stopMPcode \stoptext

3 4

Re: [NTG-context] Hatch an area with Metapost (Metafun)
by John Kitzmiller 10 Feb '15

10 Feb '15

On Feb 9, 2015, at 1:46 PM, Fabrice <couvreur.fabrice(a)wanadoo.fr <mailto:couvreur.fabrice@wanadoo.fr>> wrote: > > Great, but I did not know the macro numberstriped. Is it a Metapost or > Metafun macro? It is a MetaFun macro in mp-tool, afaik. The idea of filling a path is sometimes clipping to a path. Here is a way to do your task with (almost) only MetaPost: \startMPpage[offset=2mm] path p, q ; p := unitsquare scaled 4cm ; z1 = point 3.6 of p ; q := z1 -- urcorner p -- lrcorner p -- llcorner p -- cycle; for i = 8 step -.5 until 0: draw (i,0)*cm -- (i-4,4)*cm withpen pencircle scaled 2pt withcolor blue; endfor; clip currentpicture to q; draw p ; draw q ; label.llft("B", llcorner p) ; label.lrt ("C", lrcorner p) ; label.ulft("A", ulcorner p) ; label.urt ("D", urcorner p) ; label.lft ("M", z1) ; \stopMPpage …just in case it helps to clarify. John

2 1

two features in ViewerPreferences for printing
by Pablo Rodriguez 09 Feb '15

09 Feb '15

Hans, for a small book I’m publishing online (https://archive.org/download/ensayo-escritura/ensayo-escritura.pdf) it would be extremely useful to have two features from the PDF spec implemented. These are PrintScaling and Duplex (page 364 of the PDF spec). They are two entries in the ViewerPreferences. Both features are extremely useful to avoid issues when explaining double-sided printing and not reducing margins (in some cases, this reduction to margins is critical [such as in the sample above]). I think this is not only useful to many users. Could these features be implemented in ConTeXt? Many thanks for your help, Pablo -- http://www.ousia.tk

1 0

Disappearing backgrounds/pagenumbers with \page[none]
by Wolfgang Schuster 09 Feb '15

09 Feb '15

Hi, there was a problem on TeX SE [1] where page numbers disappear for a whole chapter when \page[none] is used to hide the numbers on empty left pages in a double sided document. As can be seen in the following example the page numbers and background on the last two pages disappear when “missing” mode is enabled. This happens when the “blank” option for \page is used without a change in the page number (we are already at page 3 when \page[yes,blank,right] is expanded). %%%% begin example \setupbackgrounds[page][background=color,backgroundcolor=gray] %\enablemode[missing] \starttext \dorecurse{6}{\input knuth\par} % End the current page before \page[blank] is called \doifmode{missing}{\page} \page[yes,blank,right] \dorecurse{6}{\input knuth\par} \stoptext %%%% end example [1] http://tex.stackexchange.com/questions/225603/missing-page-numbers-first-ch… <http://tex.stackexchange.com/questions/225603/missing-page-numbers-first-ch…> Wolfgang

3 4

ConTeXt is looking for a non-existent .bbl file (Mac problem?)
by Robert Zydenbos 09 Feb '15

09 Feb '15

Yesterday I tried to create a fresh PDF from a revised text using MkII and XeTeX (I have been using this combination for several months, because I need to use Indic fonts, which are not -- yet? -- supported in MkIV). As a trick I defined an Indic font as a mono font (\tt), so that automatically the size would be adjusted correctly in footnotes etc. To my horror, it no longer works. I stripped down my input file to one called kannada-test.tex, and still I got the bizarre error message "file kannada-test.bbl not found, waiting for bibtex", and texexec (or a process it invokes) freezes. I have never used bibtex input in these documents. Below I am including the error log. I have changed nothing in the input files besides alterations in the text to be printed (not in any commands). The only thing that has changed is that in the meantime I installed the new version of MacTeX (2014; previously I was using 2013). I removed the entire MacTeX 2014 version and installed it afresh, but this did not help either. It seems to be a Mac problem. Ubuntu (14.04) also looks for a bbl file, but simply passes over it if none is found (see attachment). I would be very grateful for suggested solutions. I was using this to prepare materials for classes (fortunately we have a recess until April right now). Robert This is XeTeX, Version 3.14159265-2.6-0.99991 (TeX Live 2014) (preloaded format=cont-en) restricted \write18 enabled. entering extended mode (./kannada-test.tex ConTeXt ver: 2013.06.07 17:34 MKII fmt: 2015.2.8 int: english/english system : cont-new.mkii loaded (/usr/local/texlive/2014/texmf-dist/tex/context/base/cont-new.mkii systems : beware: some patches loaded from cont-new.mkii ) system : cont-sys.tex loaded (/usr/local/texlive/2014/texmf-config/tex/context/user/cont-sys.tex (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-siz.mkii) (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-otf.mkii) (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-xtx.mkii)) system : kannada-test.top loaded (./kannada-test.top) bodyfont : 12pt rm is loaded language : patterns nl->default:default->1->2:2 us->default:default->2-> 2:3 de->default:default->3->3:3 da->default:default->4->2:2 sv->default:default ->5->2:2 af->default:default->6->2:2 gb->default:default->7->2:2 fr->default:de fault->8->2:2 es->default:default->9->2:2 ca->default:default->10->2:2 it->defa ult:default->11->2:2 la->default:default->12->2:2 pt->default:default->13->2:2 ro->default:default->14->2:2 pl->default:default->15->2:2 cs->default:default-> 16->2:2 sk->default:default->17->2:2 hr->default:default->18->2:2 sl->default:d efault->19->2:2 tr->default:default->20->2:2 tk->default:default->21->1:2 lt->d efault:default->22->2:2 agr->default:default->24->2:2 fi->default:default->25-> 2:2 hu->default:default->26->2:2 ru->default:default->28->2:2 uk->default:defau lt->29->3:3 loaded specials : dvips loaded language : language en is active specials : loading definition file dpx (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-dpx.mkii specials : loading definition file fdf (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-fdf.mkii)) specials : loading definition file xet (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-xet.mkii) (./kannadamanualfonts.tex)This is XeTeX, Version 3.14159265-2.6-0.99991 (TeX Live 2014) (preloaded format=cont-en) restricted \write18 enabled. entering extended mode (./kannada-test.tex ConTeXt ver: 2013.06.07 17:34 MKII fmt: 2015.2.8 int: english/english system : cont-new.mkii loaded (/usr/local/texlive/2014/texmf-dist/tex/context/base/cont-new.mkii systems : beware: some patches loaded from cont-new.mkii ) system : cont-sys.tex loaded (/usr/local/texlive/2014/texmf-config/tex/context/user/cont-sys.tex (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-siz.mkii) (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-otf.mkii) (/usr/local/texlive/2014/texmf-dist/tex/context/base/type-xtx.mkii)) system : kannada-test.top loaded (./kannada-test.top) bodyfont : 12pt rm is loaded language : patterns nl->default:default->1->2:2 us->default:default->2-> 2:3 de->default:default->3->3:3 da->default:default->4->2:2 sv->default:default ->5->2:2 af->default:default->6->2:2 gb->default:default->7->2:2 fr->default:de fault->8->2:2 es->default:default->9->2:2 ca->default:default->10->2:2 it->defa ult:default->11->2:2 la->default:default->12->2:2 pt->default:default->13->2:2 ro->default:default->14->2:2 pl->default:default->15->2:2 cs->default:default-> 16->2:2 sk->default:default->17->2:2 hr->default:default->18->2:2 sl->default:d efault->19->2:2 tr->default:default->20->2:2 tk->default:default->21->1:2 lt->d efault:default->22->2:2 agr->default:default->24->2:2 fi->default:default->25-> 2:2 hu->default:default->26->2:2 ru->default:default->28->2:2 uk->default:defau lt->29->3:3 loaded specials : dvips loaded language : language en is active specials : loading definition file dpx (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-dpx.mkii specials : loading definition file fdf (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-fdf.mkii)) specials : loading definition file xet (/usr/local/texlive/2014/texmf-dist/tex/context/base/spec-xet.mkii) (./kannadamanualfonts.tex) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) (./kannada-test.tuo) publications : file kannada-test.bbl not found, waiting for bibtex (./kannada-test.tuo)

1 0

need defaults for \definehighlight
by Idris Samawi Hamid ادريس سماوي ح امد 09 Feb '15

09 Feb '15

Dear gang, Thinking of present and future documents (maximum flexibility in converting from format to format), I'm moving from the standard {\em text} to something like \definehighlight[emph][style=italic]. Here's the question: Does ConTeXt contain some default highlights that need not be defined by the user? It seems that some of the basic ones should have presets. This helps with at least two things: 1. Document portability (independent of a given style or env file); 2. Editor setups. As an example of the latter: If I select text in Notepad++ I can do Right-Click -> ConTeXt Typography -> Emphasize where Emphasize is defined as {\em } Right now, whenever I release an update to the N++ editor package (now years overdue, I know) any user can depend upon this right-click feature. But if I define \definehighlight[emph][style=italic] and set up the editor to implement it; then there is no guarantee that other users will use the same definition. As issues of conversion from one format to another become ever more urgent and common, it makes more sense to use tagged and exportable versions of the common typographical functions and to standardize a few. So my suggestion is that we develop a set of default or "official" highlights for commonly used cases, with a list made available somewhere such as the wiki. Perhaps redefine some existing 1-parameter typography commands (\emph, \bold, \scap, etc.) as highlights. Some of these should be kept short (such as \emph, \bold) given their very frequent use. Best wishes Idris -- Idris Samawi Hamid Professor of Philosophy Colorado State University Fort Collins, CO 80523

6 19

Coupling mechanism: how to use it…
by Otared Kavian 07 Feb '15

07 Feb '15

Hi Hans, After struggling to set up a complex structure with \defineblocks in which I wish to have a series of exercises (with a certain number of questions) and hints (some questions have no hints, ans some exercises have no hints), and finally solutions (again some questions have no answers, and some exercises don’t have solutions), I remembered that a few years ago you talked about a coupling mechanism in mkiv. As a matter of fact in the file strc-enu.mkvi this coupling mechanism is introduced but I didn’t figure out how to adapt it to my needs, that is to the situation I just described. Is there an example which can help understand how to use it? Is it possible to submit a feature request (for instance automatic interactions between each component, say exercise, its hint and its solution), with a reasonable amount of effort on your part to have it? Thanks in advance, and please forgive me if I am pushing too far my request… Best regards: OK

1 0