Re: [NTG-context] $\sin \theta$ behave differently in metafun
On 4/16/22 4:34 AM Jeong Dal via ntg-context wrote:
> I use $\sin \theta$ and $\cos \theta$ behave differently in text and in
metafun.
> It works well sometime before but it doesn’t in metafun now.
> What is wrong in my example?
>
> Thank you for reading.
> Best regards,
>
> Dalyoung
>
> Here is a MWE.
>
> \startbuffer[pointCircle]
> numeric u; u:=1cm;
> pair A,B,C;
> draw fullcircle scaled 4u;
> A := dir(25)*2u;
> label.top(textext("$P=(\cos\theta, \sin\theta)$"), A);
> B := dir(-25)*2u;
> label.bot(textext("$Q=(\cos(-\theta), \sin(-\theta))$"), B);
> C := (xpart A, 0); label.lrt(textext("$A$"), C);
> label(textext("$O$"), origin);
> \stopbuffer
> \starttext
> I'd like use $\sin$ and $\cos$ in the metafun. But it shows strange text
instead
> of $\sin$ and $\cos$.
>
> \processMPbuffer[pointCircle]
>
> \stoptext
Hi Hans and Mikael (and others on the list),
I can confirm that even with the newest LMTX [2022.04.15 20:20] the above might
actually be a bug. mfunctions inside MP strings are not properly rendred. A
tiny MWE:
\starttext
\startMPcode
draw textext("\m{\max_i x_i}");
\stopMPcode
\stoptext
Could trace it down to '\math_function_handle_label' [math-ini] but not sure
what MP is doing. Also looked into mp-mlib, mlib-pps but could not figure it
out. I request you to kindly look into it.
Thanks,
Sreeram
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[NTG-context] $\sin \theta$ behave differently in metafun
Dear all,
I use $\sin \theta$ and $\cos \theta$ behave differently in text and in metafun.
It works well sometime before but it doesn’t in metafun now.
What is wrong in my example?
Thank you for reading.
Best regards,
Dalyoung
Here is a MWE.
\startbuffer[pointCircle]
numeric u; u:=1cm;
pair A,B,C;
draw fullcircle scaled 4u;
A := dir(25)*2u;
label.top(textext("$P=(\cos\theta, \sin\theta)$"), A);
B := dir(-25)*2u;
label.bot(textext("$Q=(\cos(-\theta), \sin(-\theta))$"), B);
C := (xpart A, 0); label.lrt(textext("$A$"), C);
label(textext("$O$"), origin);
\stopbuffer
\starttext
I'd like use $\sin$ and $\cos$ in the metafun. But it shows strange text
instead of $\sin$ and $\cos$.
\processMPbuffer[pointCircle]
\stoptext
> 2022. 4. 13. 오전 11:09, ntg-context-requ...@ntg.nl 작성:
>
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> Today's Topics:
>
> 1. Re: Setting up zint on a mac with macOS Montery Version
> 12.3.1 (Keith McKay)
> 2. Re: fatal error in LMTX (Bruce Horrocks)
> 3. Re: Setting up zint on a mac with macOS Montery Version
> 12.3.1 (Bruce Horrocks)
> 4. Re: Proper formatting of itemized bullets in ConTeXt (śrīrāma)
> 5. Re: Proper formatting of itemized bullets in ConTeXt (śrīrāma)
>
>
> --
>
> Message: 1
> Date: Tue, 12 Apr 2022 21:04:50 +0100
> From: Keith McKay
> To: Bruce Horrocks , mailing list for ConTeXt users
> , monty.l...@gmail.com
> Subject: Re: [NTG-context] Setting up zint on a mac with macOS Montery
> Version 12.3.1
> Message-ID: <475d96e6-0905-7d2d-a51d-84b06d340...@gmail.com>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> Hi All
>
> I created the symbolic link as suggested by Bruce and Luis and still got the
> error message
>
> optional> unable to locate library 'libzint'
>
> in my text editor. I use TeXworks. However, I thought I would try running
> from the Terminal app and it worked. It found libzint and output the pdf with
> both barcodes and the qrcode. I have no idea why it works in the Terminal and
> not TexWorks, I'm guessing I have a path issue which I need to investigate.
>
> Notes
> 1) My machine is a mac-mini-M1 with macos Monterey and I'm running the latest
> ConTeXt version
> 2) Bruce noted that my Homebrew was installed in a non-standard location so I
> checked on the Hombrew website and it is installed in opt/homebrew for Apple
> Silicon i.e the M1 chip. Maybe Bruce's homebrew was installed on an earlier
> version.
>
> Thanks to Luis and Bruce for their suggestions.
> Best Wishes
> Keith McKay
>
> On 10/04/2022 22:26, Bruce Horrocks wrote:
>> Hi Keith,
>>
>>> On 10 Apr 2022, at 14:49, Keith McKay via ntg-context
>>> wrote:
>>>
>>> Hi All
>>>
>>> I have been struggling today trying to setup and use the Barcode module
>>> zint in ConTeXt and failed. I have followed the instructions on the wiki
>>> (https://wiki.contextgarden.net/Barcodes ) but with some changes as
>>> follows. Which maybe why I failed.
>>>
>>> 1) I downloaded Zint using Homebrew since I'm using macOS, and installed it
>>> according to the instructions.
>>>
>>>
>>> 2) Since I'm using LMTX I looked for the file libzint.dylib and found it in
>>> /opt/homebrew/Cellar/zint/2.10.0/lib . This is different from the path
>>> given on the wiki. The directory contained three files, two of which were
>>> aliases, libzint.2.10.dylib and libzint.dylib, and an exe file
>>> libzint.2.10.0.0.dylib
>> You have Hombrew installed in a non-standard location. Mine is in
>> /usr/local/Cellar with the executables linked into /usr/local/bin.
>>
>> But, assuming other Homebrew commands work when run from Terminal then you
>> might still be okay.
>>
>>> 3) I created the path $TEXROOT/tex/texmf-osx-64/bin/lib/luametatex/zint and
>>> copied libzint.2.10.0.0.dylib into but replaced dylib with 'so' as
>>> suggested on the wiki instructions. So I basically added
>>> lib/luametatex/zint to texmf-osx-64/bin .
>> "Yes" to creating the path but "no" to copying. Create a symbolic link
>> instead.
>>
>> So, in Terminal:
>>
>> $ cd $TEXROOT/tex/texmf-osx-64/bin/lib/luametatex/zint
>>
>> # In my case I used the following:
>> $ ln -s /usr/local/Cellar/zint/2.10.0/lib/libzint.dylib libzint.so
>>
>> # For you with Homebrew in a different location, try:
>> $ ln -s /opt/homebrew/Cellar/zint/2.10.0/lib/libzint.dylib libzint.so
>>
>> Then steps 4 and 5 as below. I ran the MWE below: the ISBN worked, the
[NTG-context] placing (on) layers
Hi again,
I’m always struggling with putting stuff on layers, since these just
never start where I’d expect them to, and the offsets changed a few
times within the last years.
Please explain how I should define a layer that covers the whole page,
since the following MWE is wrong (the layer always starts below the
first line):
\useMPlibrary[dum]
\setuppapersize[A5][A4]
\setuplayout[
marking=on,
location=middle,
]
\definemeasure[Bleed][3mm]
\definemeasure[MaxHeight][{\dimexpr\paperheight + 2\measure{Bleed}\relax}]
\definemeasure[MaxWidth][{\dimexpr\paperwidth + 2\measure{Bleed}\relax}]
\definelayer[papier][
preset=lefttop,
%x=0mm,y=0mm,
width=\paperwidth,
height=\paperheight,
]
\setupbackgrounds[paper][background=cover,state=start]
\starttext
\showframe
TEST
\setlayerframed[papier][
preset=lefttop,
%x=-\measure{Bleed},
%y=-\measure{Bleed},
offset=overlay,
%frame=off,
width=\measure{MaxWidth},
height=\measure{MaxHeight},
]{\externalfigure[dummy][
width=\measure{MaxWidth},height=\measure{MaxHeight}
]}
\flushlayer[papier]
\stoptext
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[NTG-context] cropoffset reduces paper size
Hi, at least in the current and previous LMTX beta, the paper size gets
reduced if I use cropoffset as well as \setupinteractionscreen.
(It is known that the PDF box settings only work with the latter.)
In the MWE below, paper size gets reduced by cropoffset:
\setuppapersize[A4]
\setuplayout[
cropoffset=10mm,
]
\setupinteractionscreen[
width=max,height=max,
]
\starttext
\showframe
\samplefile{knuth}
\stoptext
If I set:
\setuppapersize[A4][A4,oversized]
\setuplayout[
marking=on,
location=middle,
cropoffset=7.5mm,
]
Then the resulting paper size is A4, because the "oversized" factor is
nulled by the crop offset.
While I can work around this "feature", the behaviour is different from
earlier versions. Can’t check with MkIV, since that doesn’t work any
more, as reported by Pablo et al.
Hraban
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[NTG-context] new upload
Hi,
I uploaded a new lmtx. Apart from a experimental intersection feature in
the mp library (and metafun, more will be revealed when MS an I are okay
with it) there is not that much news.
I decided to turn some test code into a mechanism which is illustrated
below. Adaptive boxes are hboxes that act a bit like glue which means
that when we hook in e.g. a graphic it can be made to adapt.
We can add some more methods if needed so maybe you see other usage. The
interface is rather lightweight and the overhead is quite resonable.
Hans
===
\starttext
\startMPdefinitions
def TickTock =
interim linecap := squared;
save p ; path p ; p := fullsquare
xysized(AdaptiveWidth,.9(AdaptiveHeight+AdaptiveDepth)) ;
fill p withcolor AdaptiveColor ;
draw bottomboundary (p enlarged (-AdaptiveThickness) )
withdashes (3*AdaptiveThickness)
withpen pencircle scaled AdaptiveThickness
withcolor white ;
enddef ;
\stopMPdefinitions
\startsetups adaptive:test
\setbox\usedadaptivebox\hbox to \usedadaptivewidth yoffset
-.9\usedadaptivedepth \bgroup
\hss
\startMPcode
TickTock ;
\stopMPcode
\hss
\egroup
\stopsetups
\definecolor[adaptive:tick][.25(blue,green)]
\definecolor[adaptive:tock][.75(blue,green)]
\defineadaptive
[tick]
[setups=adaptive:test,
color=adaptive:tick,
foregroundcolor=white,
foregroundstyle=\infofont,
strut=yes]
\defineadaptive
[tock]
[tick]
[color=adaptive:tock]
% with postprocessing
\dorecurse{5}{
\dostepwiserecurse{1}{150}{1}{%
this~#1.##1 is~#1.##1 test~#1.##1
\ifodd##1\relax
\adaptivebox[tick]{\hss tick #1.##1\hss}
\else
\adaptivebox[tock]{\hss tock #1.##1\hss}
\fi
}
\blank
}
\page
% without postprocessing
\dorecurse{5}{
\dostepwiserecurse{1}{150}{1}{%
this~#1.##1 is~#1.##1 test~#1.##1
{\showboxes\adaptivebox[strut=yes,foregroundcolor=darkred]{\hss
test #1.##1\hss}}
}
\blank
}
\page
% with images
% a weird one
\setupexternalfigures
[location={default,global}]
\startsetups adaptive:test
\setbox\usedadaptivebox\hbox to \usedadaptivewidth yoffset
-\usedadaptivedepth \bgroup
\externalfigure
[cow.pdf]
[width=\usedadaptivewidth,
height=\dimexpr\usedadaptiveheight+\usedadaptivedepth\relax]%
\egroup
\stopsetups
\dorecurse{5}{
\dostepwiserecurse{1}{150}{1}{%
this~#1.##1 is~#1.##1 test~#1.##1
{\adaptivebox[strut=yes,setups=adaptive:test]{}}
}
\blank
}
\stoptext
It actually uses an already present for a while low level engine feature
that we introduced as part of the math processing update:
\dorecurse
{1000}
{test \uleaders\ruledhbox{\hss#1\hss}\hskip2em minus 1em\ }
Next on the todo is to move some experimental graphic trickery related
to math (matrices) into the core but the interfacing needs some thought.
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] right item marks for associative questions?
On 4/15/22 2:24 PM Damien Thiriet via ntg-context wrote:
> I read the cld manual and my guess is I should use function()
> but looks like I lack some understanding of context proceeding.
>
>
> This is what I did so far
> [...]
In function 'ListeAleatoireGauche' calling startitemize as below should help:
context.startitemize ({"8","packed","random"}, {align="righttoleft"})
Further, I think you might also need to put the entry into stream in a group:
context.start() context.lefttoright(t[k]) context.stop()
Sreeram
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Re: [NTG-context] right item marks for associative questions?
> You can use different alignment settings to move the bullet points to
> the right side of your lists.
Thank you Wolfgang, this is exactly what I need.
One more question: I am typesetting those questions in lua,
because lua vectors were more convenient for reading the whole
but I am not sure how should I pass the righttoleft option.
I read the cld manual and my guess is I should use function()
but looks like I lack some understanding of context proceeding.
This is what I did so far
\startluacode
userdata = userdata or {}
function ListeAleatoireGauche(t)
context.startitemize {"8","packed","random"}
for k=1,#t do
context.startitem()
context.lefttoright(t[k])
context.stopitem()
end
context.stopitemize()
end
function ListeAleatoireDroite(t)
context.startitemize {"8","packed","random"}
for k=1,#t do
context.startitem()
context(t[k])
context.stopitem()
end
context.stopitemize()
end
function QCMAssociatif(t,u)
context.startxtable {"frame=no","columndistance=3cm"}
context.startxrow()
context.startxcell()
ListeAleatoireGauche(t)
context.stopxcell()
context.startxcell()
ListeAleatoireDroite(u)
context.stopxcell()
context.stopxrow()
context.stopxtable()
end
\stopluacode
\starttext
\startluacode
Author = {"Nietzsche","God"}
Quote = {"God is dead","Nietzsche is Dead"}
QCMAssociatif (Author,Quote)
\stoptext
Damien Thiriet
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