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metafun: circular arc
by Thomas A. Schmitz 06 Oct '21

06 Oct '21

Hi all, I hope the following example is not too convoluted: \useMPlibrary [txt] \define\EmpArrow{\getscaledglyph{1.6}{name:dejavumath}{\char"2B05}} \setupbodyfont [ss,9pt] \starttext \startuseMPgraphic{empedocles} %numeric a ; a = 6.56cm ; %numeric b ; b = 1.1 ; save S; path S[] ; S[1] = fullcircle scaled 8cm rotated 306 ; S[2] = S[1] scaled 1.1 ; S[3] = S[1] scaled 1.23 ; S[4] = S[1] scaled 1.3 ; S[5] = S[1] scaled 1.43 ; S[6] = S[1] scaled 1.5 ; S[7] = S[1] scaled 1.6 ; z[1] = point 1 along S[7] ; z[2] = point 1 along S[1] ; z[3] = point 0.1 along S[7] ; z[4] = point 0.1 along S[1] ; z[5] = point 0.2 along S[7] ; z[6] = point 0.2 along S[1] ; z[7] = point 0.3 along S[7] ; z[8] = point 0.3 along S[1] ; z[9] = point 0.4 along S[7] ; z[10] = point 0.4 along S[1] ; z[11] = point 0.5 along S[7] ; z[12] = point 0.5 along S[1] ; z[13] = point 0.6 along S[7] ; z[14] = point 0.6 along S[1] ; z[15] = point 0.7 along S[7] ; z[16] = point 0.7 along S[1] ; z[17] = point 0.8 along S[7] ; z[18] = point 0.8 along S[1] ; S[8] = z[1] -- z[2] ; S[9] = z[3] -- z[4] ; S[10] = z[5] -- z[6] ; S[11] = z[7] -- z[8] ; S[12] = z[9] -- z[10] ; S[13] = z[11] -- z[12] ; S[14] = z[13] -- z[14] ; S[15] = z[15] -- z[16] ; S[16] = z[17] -- z[18] ; z[19] = S[3] intersection_point S[8] ; z[20] = S[3] intersection_point S[16] ; S[18] = S[3] cutbefore z[20] cutafter z[19] ; z[21] = S[5] intersection_point S[8] ; z[22] = S[5] intersection_point S[16] ; S[19] = S[5] cutbefore z[22] cutafter z[21] ; z[23] = S[12] intersection_point S[3] ; S[20] = S[3] cutbefore z[20] cutafter z[23] ; for i = 1 upto 16: draw S[i] withcolor 0.7white ; endfor ; draw z[23] -- z[20] withcolor red ; draw S[20] withcolor blue ; label.bot(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 20.000 = 0}"), z[10]) ; label.llft(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 2.000}"), z[8]) ; label.lft(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 4.000}"), z[6]) ; label.lft(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 6.000}"), z[4]) ; label.ulft(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 8.000}"), z[2]) ; label.urt(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 12.000}"), z[18]) ; label.rt(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 14.000}"), z[16]) ; label.rt(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 16.000}"), z[14]) ; label.lrt(textext("\noexpand\framed[align=middle,frame=off]{Jahr \crlf 18.000}"), z[12]) ; draw followtext(S[18], "\strut\hbox to 2em{\EmpArrow}\hskip2em RUHEPAUSE\hskip4em\strut") ; draw followtext(S[19], "\strut\hbox to 2em{\EmpArrow}EINHEIT (SPHAIROS)\hskip2em\strut") ; \stopuseMPgraphic \useMPgraphic{empedocles} \stoptext I have a big problem and some smaller questions, for those who are better at math and at metafun than I am: 1. The big problem: for the next followtext, I need the circular arc between points z[23] and z[20]. But however I place the cutbefore and cutafter, I don't get the proper part of the circle. I'm looking at the right intersection points, as the red line shows, but the blue line shows that I'm not getting the right section of the circle. How can I get this section into the path S[20]? 2. Math... :-) Is there a better way to define three circles that are at exactly the same distance than my naive "scaled 1.3" and "scaled 1.5"? 3. TeX and metafun: is there a better way to have the followtext exactly centered between the two circles rather than just fiddle with the scale factor? 4. Or is there a better approach to my problem altogether? I'm trying to reproduce an illustration from a book, so I'm very open to suggestions here. I looked at the example in the metafun manual chapter 10.4, but I'm not sure if using an overlay and multiple \followtokens would be easier. Especially since there is the scary remark "This definition is not the right one!" in this chapter without any further explanation. I hope you all had a wonderful meeting last week. I was sad I couldn't come, I was in Paris for a conference, the first after 18 months, so I couldn't skip this one. Thanks and best wishes Thomas

3 3

Addition of authortitle sorttype for bibliographies
by Joey McCollum 05 Oct '21

05 Oct '21

Hi, I've had to make another update to the general publications support code in order to implement a feature of the SBL rendering. Denis Maier has opened some issues on the context-sbl GitHub repo ( https://github.com/jjmccollum/context-sbl) to offer some helpful suggestions about needed features and bug fixes. One issue was that SBL should order list entries by author and title. Thankfully, there is already an authordate sortmethod defined in publ-aut.lua (probably to support the Chicago rendering), so I was able to use it as a template for the following authortitle sort sequence: ``` publications.sortmethods.authortitle = { sequence = { { field = "author", default = "", unknown = "" }, { field = "title", default = "", unknown = "" }, { field = "date", default = "9998-13-32", unknown = "9999-14-33" }, -- some specifications allow date instead of year, month, day { field = "year", default = "9998", unknown = "9999" }, { field = "month", default = "13", unknown = "14" }, { field = "day", default = "32", unknown = "33" }, { field = "index", default = "", unknown = "" }, }, } ``` I added this to publ-aut.lua because publications.sortmethods.authoryear is defined in that file, but if another location is more appropriate, then feel free to let me know, and I can move it! Otherwise, if this looks okay to include in a future update, then feel free to incorporate it! Joey

4 6

Metafun's utflen not working in certain contexts
by Jairo A. del Rio 05 Oct '21

05 Oct '21

Hi, list. The following works for MkIV, but not LMTX (adapted from here: https://tex.stackexchange.com/questions/617597/how-can-i-use-luas-string-le… ): \startMPinclusions vardef MotMystere(expr taille, speciale, index) = save avant,apres,case; numeric avant,apres; path case; case := fullsquare scaled 13; avant := speciale-1; %For Unicode, use "utflen" instead apres := utflen(taille) - speciale; if avant >= 1: for j=1 upto avant: draw (case rotated 180 cutafter point 3 of case rotated 180) shifted (-13j,-13*index); endfor; fi; label.lft (index,point 3.5 of case shifted (-13*avant,-13*index)); draw case yshifted (-13*index); fill case yshifted (-13*index) withcolor \MPcolor{gray-8}; if apres > 0: for j=1 upto apres: draw (case cutafter point 3 of case) shifted (13j,-13*index); endfor; fi; enddef; \stopMPinclusions \starttext An example with "enigma" \startMPcode MotMystere("enigma",4,1) \stopMPcode \stoptext

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Text expander
by Luis Montgomery 03 Oct '21

03 Oct '21

Has anyone used a "text expander" like Espanso https://espanso.org to ease work with ConTeXt? Ex. - trigger: ":s1" replace: "\\startsection\n$|$\n\\stopsection" Best regards Luis Antelo

1 0

Dumb question about ligatures
by Bruce Horrocks 03 Oct '21

03 Oct '21

I'm using a TTF file that has no ligature capability as a built-in feature. It does however have glyphs for fi and fl but ConTeXt isn't substituting them. So the question is: what do I need to do to persuade ConTeXt to do fi & fl ligature substitution? — Bruce Horrocks Hampshire, UK

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ConTeXt's equivalent of standalone class
by noib3 02 Oct '21

02 Oct '21

Coming from LaTeX, when I had some TikZ pictures I wanted to add in my document I would usually keep them on a separate file, I would compile them with the standalone class so that the resulting PDF's size would be limited to exactly the dimensions of the figure. I would then import the compiled PDF in my main document. All this to not slow down compilation times. What's the ConTeXt equivalent of this workflow? How can I keep the PDF dimensions limited to the figure?

3 2

Running the examples from METAFUN-p
by Alain Delmotte 01 Oct '21

01 Oct '21

1 0

running tikz
by Alain Delmotte 01 Oct '21

01 Oct '21

4 8

Blank line after \item: MkIV vs LMTX and how to properly get rid of it
by Vladimir Lomov 30 Sep '21

30 Sep '21

Hello. Consider the following small example: ------------------------------------ 8< -------------------------------------- \starttext \startitemize[n] \item \input tufte \item \placefigure[right,none]{}{\externalfigure[cow]}% \input tufte \item \blank[overlay]% \placefigure[right,none]{}{\externalfigure[cow]}% \input tufte \stopitemize \startitemize[n,intext] \item \input tufte \item \placefigure[right,none]{}{\externalfigure[cow]}% \input tufte \item \blank[overlay]% \placefigure[right,none]{}{\externalfigure[cow]}% \input tufte \stopitemize \stoptext ------------------------------------ 8< -------------------------------------- I see a difference in MkIV and LMTX work: - MkIV always put a blank line despite '\blank[overlay]' command; - with \blank[overlay] and 'intext' option LMTX clutters item label (number in this case). Q1: is this the expected behavior for MkIV and LMTX? I found a recipe with \blank[overlay] in the mailing list. Q2: is it expected that LMTX will clutter item label when I use \blank[overlay]? I suspect the answer is "yes" due to the option name. Q3: how to prevent blank line insertion in such case: an item with text framing a picture (on right side or on left side but the picture is below the item label)? --- WBR, Vladimir Lomov -- Without freedom of choice there is no creativity. -- Kirk, "The return of the Archons", stardate 3157.4

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\hyphenatedurl
by jbf 30 Sep '21

30 Sep '21

At the moment \hyphenatedurl is not working for me in the latest LMTX but is in MkIV. Am I the only one experiencing this? I am aware that I am using a rather special typeface (Atkinson Hyperlegible) but am not sure if that would cause a problem... it doesn't for MkIV. Julian

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