- ntg-context - Mailing Lists

Clipping a path to a boundary
by David Arnold 08 Aug '05

08 Aug '05

All, I'm looking for a new idea for something I need to do. I typically create a path on a domain [-5,5] as follows, a arbitrary. Then I randomly reflect the path about and axis, a line, or maybe rotate it. The result is that parts of the path may lie outside a bounding window. % define linear function f vardef f(expr x)= a*x*x enddef; % define paths for functions f, g, and h, respectively path P; P:=(-5,f(-5)); for x=-5 step .1 until 5: P:=P--(x,f(x)); endfor; % initialize scale numeric u; 10u=w; % scale and draw graph P:=P scaled u; draw P withcolor blue; % clipping path path cpath; cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle; cpath:=cpath scaled 1u; % clip and save current picture picture pic; clip currentpicture to cpath; pic:=currentpicture; % erase currentpicture currentpicture:=nullpicture; Then I do some stuff I need to do and bring back the path at a later time with: draw pic; This works fine. However, what I need to do is somehow clip the path P to the bounding box, but retain the resulting cutpath in a path variable Q. That is, I need to cut off the parts of the path P that lie outside the bounding box cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle and store the clipped path in the path variable Q. The difficulty is I have no advance knowledge if the path P lies entirely inside the bounding box or if it escapes through one of the sides. Any hints, tips, etc., would be very appreciated. Thanks.

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style in registers
by Vit Zyka 08 Aug '05

08 Aug '05

Good evening, I have opened another topic. Why both Hans's page numbers are bold? -------------------------------------- \defineregister[Name][Names] \setupregister[Name][pagestyle=\it] \setupregister[Name][bf][pagestyle=\bf] \starttext Names: \Name[bf::]{Hans} \Name{Taco} \page[yes] \Name{Hans} \placeregister[Name] \stoptext -------------------------------------- vit

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encodings for Antiqwa
by Mojca Miklavec 08 Aug '05

08 Aug '05

Hello, In the following example \Scaron and \Zcaron are taken from the font, while \Ccaron is constructed using C and caron (the difference is clearly seen in the result as Ccaron is originally composed using C and Caron; caron and Caron are different in Antiqwa). I understand that this is because I use the wrong encoding (texnansi), but ec/il2 don't seem to work. In Antiqwa documentation I saw cork and cs encoding, which are both be OK, but it seems that ConTeXt isn't aware of them. (Cork is even better as this seems to be the only encoding where \dstroke is present.) (I slowly begin to understand why the Croats deserved their own MacCroatian encoding [regime] :) \definetypeface[antykwa][rm][serif][antykwa-torunska][default][encoding=texnansi] \setupbodyfont[antykwa] \starttext \Ccaron\Scaron\Zcaron \dstroke\Dstroke % also composed :( \stoptext Can anyone point me to the proper way to access other characters in a font, not present in any standard encoding? I know approximately that a .map file has to be written, a typescript file, encoding has to be defined somewhere, but I have never managed to make all those files cooperate together. (An example: how to access edblgrave, udblgrave, odblgrave, ... possibly in such a way that someone could use my (set of) documents without hundred sites of documentation how to compile them on his own computer.) Thank you very much, Mojca (The more I know about the encodings, the more I hate them.)

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Verbatim with linebreaks sillyness
by Taco Hoekwater 07 Aug '05

07 Aug '05

Hi, I saw this on the wiki: http://contextgarden.net/Verbatim_with_line_breaks and it seemed like a fun idea to play with for a bit. How's this? Cheers, Taco % % BREAK is a special pretty handler that auto-wraps lines % to fit the current hsize. \gdef\BREAKsetspecials% {\dorecurse{256}{\setpretty\numexpr \recurselevel-1\relax=10 }} \gdef\BREAKsethandlers% {\installprettyhandler 10 \BREAKtypeone } \newcount\BREAKcharcounter \newcount\BREAKmaxcharcount \def\BREAKtypeone#1% {\advance\BREAKcharcounter 1 \ifnum\BREAKcharcounter > \BREAKmaxcharcount \hfil\break \BREAKcharcounter=1 \fi \getpretty{#1}} \def\BREAKsetcounters% {\setbox\scratchbox=\hbox{0}% \BREAKmaxcharcount=\hsize \divide\BREAKmaxcharcount \wd\scratchbox \def\flushrestofverbatimline{\BREAKcharcounter=0 }% \BREAKcharcounter=0 } \gdef\setupprettyBREAKtype% {\def\prettyidentifier{BREAK}% \BREAKsetcounters \BREAKsethandlers \BREAKsetspecials} \installprettytype [BREAK] [BREAK] \starttext \framed [width=8cm, align=flushleft]{% \setuptyping[option=BREAK] \starttyping hööah:aloh/aa?lha llol!loh%lloh#allhal\lohhll;ohohal~loll ohalölo \stoptyping } \stoptext

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Re: [NTG-context] Presentation
by piskala upendran 07 Aug '05

07 Aug '05

hello Taco, thanks. Now i can use reich example also in future. cheers upendran piskala upendran wrote: > hello valle, > > I did test your example. It complained as you said. > however, it works ok under miktex + winedt with the > following changes. > > a. remove the small square in front of the > \usemodule[pre-08]. > b. \input reich changed to knuth because \citaat of > reich is not decoded. I do not know the reason. Any > contexpert can only tell.otherwise it compiled > smoothly. you can try. The file was never converted from dutch to english. \citaat should be \quotation Taco __________________________________ Yahoo! Mail Stay connected, organized, and protected. Take the tour: http://tour.mail.yahoo.com/mailtour.html

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RE: [NTG-context] tex vs etex
by Idris Samawi Hamid 05 Aug '05

05 Aug '05

Hi Hans, I only use aleph and pdfetex. I am concerned however, because aleph uses an older version of etex, and so there may be unintended consequences (& bad for me-<) Giuseppe is busy, but maybe he has some initial thoughts on this? Best Idris >===== Original Message From mailing list for ConTeXt users <ntg-context(a)ntg.nl> ===== >Hi, > >Is anyone using tex i.e. not pdfetex/aleph/xetex? I'd likt to go etex >only which in the end is needed anyway since we run out of token list >registers (in etex more we're already past 255) ============================ Professor Idris Samawi Hamid Department of Philosophy Colorado State University Fort Collins, CO 80523

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tex vs etex
by Hans Hagen 05 Aug '05

05 Aug '05

Hi, Is anyone using tex i.e. not pdfetex/aleph/xetex? I'd likt to go etex only which in the end is needed anyway since we run out of token list registers (in etex more we're already past 255) 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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mapping
by Hans Hagen 04 Aug '05

04 Aug '05

Hi, I'm a bit puzzled. Do you really get properly uppercased output while the mapping are actually wrong? With fixed mapping, \WORD works ok, which si actually what i expect because utf is fully expandabel to \namedglyphs which, givven the proper encoding, expand to characters, which can be uppercases. 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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enumerated lists
by Frank Grieshaber 04 Aug '05

04 Aug '05

Dear all, I have a manuscript with long nested numbered enumerations and I want the numbers of all levels to be printed like: 1. one 1.1 one-one 1.2 one-two 2. two 2.1 two-one 2.2.1 two-two-one ... Using the following prints only the current level's number, not all levels: \startitemize[n,packed] \item \item \startitemize[m,packed] \item \item \stopitemize \item \item \stopitemize For Latex there is the package paralist.sty for doing the desired numbering, how can this be done with ConTeXt? Frank

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Re: [NTG-context] uppercasing accented characters, mappings and \WORD
by Mojca Miklavec 04 Aug '05

04 Aug '05

Taco Hoekwater wrote: > > This works (but it is a bit ugly) > > \def\WORD#1{% > \bgroup > \the \everyuppercase > \let \smallcapped \firstofoneargument > \let \WORD \firstofoneargument > \pushmacro \dohandleaccent > \pushmacro \dohandlecommand > \pushmacro \dohandlecharacter > \keepencodedtokens > \edef\tempa{#1}% > \popmacro \dohandleaccent > \popmacro \dohandlecommand > \popmacro \dohandlecharacter > \expandafter \uppercase \expandafter {\tempa}% > \egroup } Thank you, Taco! I cannot judge about the elegance of the solution as I have never seen any elegant TeX macro definitions :), but it works (at least on my examples) which is the most important part. Also the cp1250 regime (where no mappings were defined) is now happy with it :) Just for fun, I also tried it on greek (just copy-pasted some letters from http://www.unics.uni-hannover.de/nhtcapri/multilingual1.html) It doesn't work there, but I didn't even expect it to work as I should probably provide the proper fonts and encodings first anyway. I've seen some strange Greek stuff a while ago, which could have been definitions of capitals, but as I neither understand Greek nor "TeX", I can't judge about it. > do you have a zipped example? Is this still relevant? Well, as it was only 11kb, I attached it anyway. Thank you, Mojca

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