Re: [NTG-context] [solved] gnuplot: mpost: Not writing to .log (openout_any = p).
On 12-12-2011 01:28, Paul Menzel wrote:
Am Montag, den 12.12.2011, 01:20 +0100 schrieb Paul Menzel:
[…]
I am also getting other errors now and even moving the ConTeXt file to a
new directory I keep getting this error from `mpost`.
fonts : using map file: original-ams-euler
[1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1] [1.1]
[1.1] [1.1] [1.1] [1.1]
systems : end file gnup-gnuplot-1-mp-temp at line 130
(/srv/filme/context/tex/texmf-context/tex/context/base/cont-err.mkii
systems : no file 'cont-sys.tex', using 'cont-sys.rme' instead
) )
Output written on gnup-gnuplot-1-mp-temp.dvi (16 pages, 1360 bytes).
Transcript written on gnup-gnuplot-1-mp-temp.log.
TeXExec | runtime: 0.244803
This is MetaPost, version 1.504 (kpathsea version 6.0.0)
mpost: Not writing to .log (openout_any = p).
! I can't write on file `.log'.
Please type another transcript file name:
Once again I was hit by missing `\{start,stop}text` lines.
even then .. mp cannot write the log because you configuration is
paranoid (which is what the p means in openout_any) so you need to fix
your cnf file
Hans
-
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Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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| www.pragma-pod.nl
-
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[NTG-context] OT: How to reference the ConTeXt project?
Dear Hans and ConTeXt folks, how do you want me to reference ConTeXt? Is there an article you prefer or should I just use the reference manual or the Wiki? Hans Hagen and others (2011), http://contextgarden.net/ Thanks, Paul signature.asc Description: This is a digitally signed message part ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] pdfselect and context command?
Hi ConTeXTt User's, I was looking for the --pdfselect option in the context-command, but it doesn't seem to be available. This option is available in texexec to select certain pages from a pdf file. Can it also be done in some way using the context-command? Regards, Gerard Verhaag ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] pdfselect and context command?
On 12-12-2011 11:10, Verhaag, G.C.H.M. wrote: Hi ConTeXTt User's, I was looking for the --pdfselect option in the context-command, but it doesn't seem to be available. This option is available in texexec to select certain pages from a pdf file. Can it also be done in some way using the context-command? context --extra=select --help - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] Pagemakeup? Was Re: Layers + simplefonts: Using different font in layers?
On Fri, Dec 9, 2011 at 16:52, Wolfgang Schuster schuster.wolfg...@googlemail.com wrote: \placelayer use the area of the current block (in this case the text are), one way out of this is to use the “pagemakeup” environment where all margins are set to 0pt. There were no results matching the query. Create the page pagemakeup on this wiki! i.e. the Garden can't help here - anybody have time to give me a quick pagemakeup for dummies? I should be fairly content with couple of minimal examples, mostlyI manage to elaborate from there once I get the first thing working. Thanks, Mari ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Pagemakeup? Was Re: Layers + simplefonts: Using different font in layers?
On Mon, Dec 12, 2011 at 12:07 PM, Mari Voipio mari.voi...@iki.fi wrote: On Fri, Dec 9, 2011 at 16:52, Wolfgang Schuster schuster.wolfg...@googlemail.com wrote: \placelayer use the area of the current block (in this case the text are), one way out of this is to use the “pagemakeup” environment where all margins are set to 0pt. There were no results matching the query. Create the page pagemakeup on this wiki! i.e. the Garden can't help here - anybody have time to give me a quick pagemakeup for dummies? I should be fairly content with couple of minimal examples, mostlyI manage to elaborate from there once I get the first thing working. Do you mean http://wiki.contextgarden.net/Makeup ? -- luigi ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Pagemakeup? Was Re: Layers + simplefonts: Using different font in layers?
Am 12.12.2011 um 12:07 schrieb Mari Voipio:
On Fri, Dec 9, 2011 at 16:52, Wolfgang Schuster
schuster.wolfg...@googlemail.com wrote:
\placelayer use the area of the current block (in this case the text are),
one way out of this is to use the “pagemakeup” environment where all margins
are set to 0pt.
There were no results matching the query.
Create the page pagemakeup on this wiki!
i.e. the Garden can't help here - anybody have time to give me a quick
pagemakeup for dummies? I should be fairly content with couple of
minimal examples, mostlyI manage to elaborate from there once I get
the first thing working.
\definelayer[cover]
\starttext
\startpagemakeup[style={\switchtobodyfont[ss,24pt]}]
\setlayer[cover][x=3cm,y=4cm]{Place}
\setlayer[cover][x=8cm,y=12cm]{your}
\setlayer[cover][x=5cm,y=17cm]{text!}
\placelayer[cover]
\stoppagemakeup
\input knuth
\stoptext
Wolfgang
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Re: [NTG-context] headers: numberconversion=something or \definestructureconversionset
Am 08.12.2011 um 11:21 schrieb Philipp A.: hi list, i want to make an exercise sheet style. exercises are already correctly rendered as “Exercise 1: Text”, but sub-exercises should simply be like “a)”. what i tried: \definestructureconversionset[ex][numbers,characters][numbers] \setupheads[numberconversion=ex] sectionconversionset=… and \setuphead[subsection][numberconversion=characters, …] sectionconversion=… but i have no idea what i’m doing in the first case and even less idea of what i’m doing wrong in the second. documentation would help in both cases, but contextgarden just has some (for me) incomprehensible examples. For a list with the correct names of the keys look here (the “conversion” in the pdf for \setuphead is wrong but i fixed it in my local version): https://bitbucket.org/wolfs/commands/downloads Wolfgang___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] \definestartstop (not functioning before/after keys)
Hi Hans,
has something changed with \definestartstop? Setting before and after do not
change the output.
\definestartstop[test][before=\blank,after=\blank]
\starttext
before \test{test} after
\stoptext
Tested with the current beta- and experimental-branch.
Regards
Andreas
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Re: [NTG-context] \definestartstop (not functioning before/after keys)
Am 12.12.2011 um 12:55 schrieb Andreas Harder:
Hi Hans,
has something changed with \definestartstop? Setting before and after do not
change the output.
\definestartstop[test][before=\blank,after=\blank]
\starttext
before \test{test} after
\stoptext
Tested with the current beta- and experimental-branch.
\starttext …\stoptest is not the same as \test{…}, while the environment use
the before and after keys the command use the inbetween key.
Wolfgang
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[NTG-context] \placelist after \chapter
Hi all,
I can't seem to get a list placed after a numbered heading. For example:
\starttext
\title{First one}
\placelist[chapter]
\chapter{Second one}
\placelist[chapter] % This won't be placed
\stoptext
Is this something I should be able to do? The reason I ask is that I'm
looking to generate a summary table in my document that will contain
information from my page titles. I'd like to have the heading title,
the page number and possibly some meta-info that I'm passing to my
custom command. (I'm planning on passing a custom command in the
\setuplist command). If it's not possible to \placelist's after
numbered headings then could someone suggest an alternative method?
Many thanks,
Felix
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Re: [NTG-context] \placelist after \chapter
Am 12.12.2011 um 13:04 schrieb Felix Ingram:
Hi all,
I can't seem to get a list placed after a numbered heading. For example:
\starttext
\title{First one}
\placelist[chapter]
\chapter{Second one}
\placelist[chapter] % This won't be placed
\stoptext
Is this something I should be able to do? The reason I ask is that I'm
looking to generate a summary table in my document that will contain
information from my page titles. I'd like to have the heading title,
the page number and possibly some meta-info that I'm passing to my
custom command. (I'm planning on passing a custom command in the
\setuplist command). If it's not possible to \placelist's after
numbered headings then could someone suggest an alternative method?
You need \placelist[chapter][criterium=all].
Wolfgang
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[NTG-context] Reverse numbering
Hi all,
When using
\startitemize[n,reverse]
one gets items numbered in reverse order. I wonder if this feature exists also
for enumerations. An example is given below in which the last enumeration is
written on top of the file and I wish it were possible to have the enumerations
numbered in reverse order.
Thanks in advance for any insight: OK
PS: here is an example file:
enumeration-reverse.tex
\defineenumeration[Lecture]
[location=hanging,
text={Lecture n°},
between=,
before=,
stopper={.},
after= {\hrule\blank}]
\setupenumerations[Lecture][number=yes]
% \setupenumerations[Lecture][numbering=reverse] % this has no effect though…
\starttext
\startLecture Tuesday December 6th: Banach spaces.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\startLecture Tuesday November 29th: Norms.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\startLecture Tuesday November 22nd: Topological Vector Spaces.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\stoptext
%%% end enumeration-reverse.tex
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Re: [NTG-context] \definestartstop (not functioning before/after keys)
On 12.12.2011, at 13:00, Wolfgang Schuster wrote:
Am 12.12.2011 um 12:55 schrieb Andreas Harder:
Hi Hans,
has something changed with \definestartstop? Setting before and after do not
change the output.
\definestartstop[test][before=\blank,after=\blank]
\starttext
before \test{test} after
\stoptext
Tested with the current beta- and experimental-branch.
\starttext …\stoptest is not the same as \test{…}, while the environment use
the before and after keys the command use the inbetween key.
Okay, I see. So, sorry for the noise.
Andreas
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Re: [NTG-context] Reverse numbering
Am 12.12.2011 um 13:33 schrieb Otared Kavian:
Hi all,
When using
\startitemize[n,reverse]
one gets items numbered in reverse order. I wonder if this feature exists
also for enumerations. An example is given below in which the last
enumeration is written on top of the file and I wish it were possible to have
the enumerations numbered in reverse order.
The numbering mechanism has indeed such a option but it seems to be not
available for enumerations.
\definenumber[foo]
\definenumber[bar][numberorder=reverse]
\define\test
{\incrementnumber[foo] \incrementnumber[bar]%
\convertednumber[foo]:\convertednumber[bar]}
\starttext
\dorecurse{9}{\test\par}
\stoptext
Wolfgang
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[NTG-context] getcitedata
Hi all, I'm looking for some information on the command \getcitedata [field][key] to \macroname i only manage to get results using a bbl file \input bibtest.bbl is there a way to use it with a bib file directly via \setupbibtex[database=mylib] so i can run context just once? Thanks Michael ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Reverse numbering
Hi Wolfgang,
Thank you for your attention: in fact you pointed out how to solve the problem…
Beginning with what you wrote, after a few trials and errors I ended up with
the following which gives what I meant:
%%% begin reverse-enumeration.tex
\definenumber[ReverseNumberOrder][numberorder=reverse]
\defineenumeration[Lecture]
[location=hanging,
text={Lecture n° {\convertednumber[ReverseNumberOrder]}.},
between=,
before={\incrementnumber[ReverseNumberOrder]},
number=no,
after={\hrule\blank}]
\starttext
\startLecture Tuesday December 6th: Banach spaces.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\startLecture Tuesday November 29th: Norms.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\startLecture Tuesday November 22nd: Topological Vector Spaces.
\startitemize[n]
\item First subject.
\item Second subject.
\stopitemize
\stopLecture
\stoptext
%%% end reverse-enumeration.tex
Best regards: OK
On 12 déc. 2011, at 14:03, Wolfgang Schuster wrote:
Am 12.12.2011 um 13:33 schrieb Otared Kavian:
Hi all,
When using
\startitemize[n,reverse]
one gets items numbered in reverse order. I wonder if this feature exists
also for enumerations. An example is given below in which the last
enumeration is written on top of the file and I wish it were possible to
have the enumerations numbered in reverse order.
The numbering mechanism has indeed such a option but it seems to be not
available for enumerations.
\definenumber[foo]
\definenumber[bar][numberorder=reverse]
\define\test
{\incrementnumber[foo] \incrementnumber[bar]%
\convertednumber[foo]:\convertednumber[bar]}
\starttext
\dorecurse{9}{\test\par}
\stoptext
Wolfgang
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%%
Otared Kavian
Département de Mathématiques
Université de Versailles Saint-Quentin
Bâtiment Fermat
45 avenue des Etats Unis
78035 Versailles cedex
Téléphone: +33 1 39 25 46 42
Secrétariat: +33 1 39 25 46 44
Secrétariat: +33 1 39 25 46 46
e-mail: otared.kav...@math.uvsq.fr
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Re: [NTG-context] \placelist after \chapter
Thanks Wolfgang - that works as expected. I'm trying to create a table
from the headings (as previously mentioned). Something like this:
\setuplist[chapter][criterium=all,alternative=command,command=\MySummaryTable,before={\setupTABLE[frame=on]\bTABLE\bTABLEbody},after={\eTABLEbody\eTABLE}]
\define[3]\MySummaryTable{\bTR\bTD #1 \eTD\bTD #2 \eTD\bTD #3 \eTD\eTR}
\starttext
\placecontent
\chapter{First one}
\chapter{Second one}
\chapter{Third one}
\chapter{Fourth one}
\chapter{Fifth one}
\placelist[chapter][criterium=all]
\stoptext
While the content gets placed it doesn't appear in a table. I also
notice that the same layout is used in the first \placecontent line.
In my final document I'd like to have my headings included as usual in
the table of contents but then have my own custom list appear as a
table later in the document. Is it possible to define a separate
format for a list that can be used outside of the ToC?
Felix
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[NTG-context] getcitedata bug in mkiv?
hi all,
referring to my previous question: the following gives me a correct pdf with
mkII but nothing at all with mkiv. is this a bug?
thanks an best michael
\setupbibtex [database=mylib]
\def\mycite#1{
\bgroup
\getcitedata[title][#1] to \mytitle
\mytitle
\egroup}
\starttext
\mycite{meinautor:2000}
\stoptext
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[NTG-context] Mailing list archive (archive.contextgarden.net) will be down or at least not updated
Hello, We are moving the mail server from Germany to Jožef Stefan Institute in Ljubljana and would like to let you know that mailing list archive won't be updated when that happens. So: copy of mailing list archive (archive.contextgarden.net) won't be updated for at least some time, but there is also a chance that it will be completely replaced by a different solution. Not that it would be technically impossible to continue updating it, but I think that setting up mailing lists has a much higher priority at the moment than old archives (which are much better at gmane.org anyway). We will get new mailing lists on the new server soon (some of them for members of ConTeXt Group, http://group.contextgarden.net, some of them for distribution etc.) If anyone has any thoughts about this, you may write me off-list (I will post a summary to the mailing list later on). The list ntg-context at ntg.nl won't be moved due to longstanding tradition at ntg.nl, but we will move some mailing lists from obscure locations such as launchpad (where we had a mailing list for binary builders). Mojca (There is no reason to take lurker down at this moment, but we are somehow afraid that people would rely on it returning the latest mails.) ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
Dear ConTeXt folks,
I have two coefficients saved in a text file
-0.157737135681261
-0.211443105668896
and I want to use them to plot a line with gnuplot.
Having several of those files I want to use Lua to create the formula
for the line for me.
I have not yet figured out how to read values from a file in Lua and
just tried to print a constant to the gnuplot command.
I tried the following.
\usemodule[gnuplot]
\startGNUPLOTscript[lua]
plot \ctxlua{context(1.2 * x + 3)}
\stopGNUPLOTscript
\startGNUPLOTscript[nolua]
plot 1.2 * x + 3
\stopGNUPLOTscript
\starttext
\useGNUPLOTgraphic[lua]
Above should be a plot.
\useGNUPLOTgraphic[nolua]
\blank
\CONTEXT\ \contextmark\ \contextversion
\stoptext
But only the second plot done and for the first the following error is
shown.
mtxrun |
mtxrun | executing: gnuplot gnup-gnuplot-1.plt
mtxrun |
mtxrun |
plot \ctxlua{context(1.2 * x + 3)}
^
gnup-gnuplot-1.tmp, line 1: invalid character \
Is there a way to manipulate gnuplot scripts with Lua?
Thanks,
Paul
\usemodule[gnuplot]
\startGNUPLOTscript[lua]
plot \ctxlua{context(1.2 * x + 3)}
\stopGNUPLOTscript
\startGNUPLOTscript[nolua]
plot 1.2 * x + 3
\stopGNUPLOTscript
\starttext
\useGNUPLOTgraphic[lua]
Above should be a plot.
\useGNUPLOTgraphic[nolua]
\blank
\CONTEXT\ \contextmark\ \contextversion
\stoptext
signature.asc
Description: This is a digitally signed message part
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On Mon, Dec 12, 2011 at 22:39, Paul Menzel wrote:
Dear ConTeXt folks,
I have two coefficients saved in a text file
-0.157737135681261
-0.211443105668896
and I want to use them to plot a line with gnuplot.
Having several of those files I want to use Lua to create the formula
for the line for me.
I have not yet figured out how to read values from a file in Lua and
just tried to print a constant to the gnuplot command.
I tried the following.
\usemodule[gnuplot]
\startGNUPLOTscript[lua]
plot \ctxlua{context(1.2 * x + 3)}
\stopGNUPLOTscript
This won't work. The reason is that contents between
\startGNUPLOTscript and \stopGNUPLOTscript are not parsed by ConTeXt
on purpose.
It was very very very painful if not impossible to get it right with
parsing. I often do things like
\def\E#1{$10^{#1}$}
\startGNUPLOTscript[name]
set logscale y
set format y \\E{%T}
plot sin(x) t '$\sin(x) [\E{3}]$' # usually something else with
logscale, but just to show the point
\stopGNUPLOTscript
and if ConTeXt starts parsing this it becomes a pure nightmare.
Realize that it can easily happen that ConTeXt then writes out
set logscale y
set format y some junk leftovers from \\
Eungrouped { since % starts comment
plot sin(x) t '\math{\mathrm{sin}(x) [{10^{3}}]}' arbitrary junk
from expansion ...
However, \startGNUPLOTinclusions is parsed and you could in theory
misuse that, but it would be very bad coding practice.
It would be a lot better to come up with some proposal how to change
the interface to enable what you want to do. (To be honest, it is
still on my todo list to migrate to Aditya's filter module in the
background, but I don't find the courage to start since I have no idea
how many bugs will creep in.)
But a serious question: what *exactly* do you want to do with lua that
you are unable to do with some (even though ugly) gnuplot trickery?
Gnuplot does have some basic programmable capabilities. I can imagine
that you should be able to do something like:
# params.dat
a=-0.157737135681261
b=-0.211443105668896
\startGNUPLOTinclusions
f(x,a,b)=a*x+b
\stopGNUPLOTinclusions
\startGNUPLOTscript[name]
load 'params.dat'
plot f(x,a,b)
\stopGNUPLOTscript
And if needed you can create params.dat on the fly (but I believe that
the same should be doable even if you start with just pure data values
and do some dirty tricks in gnuplot).
Yet another trick could be to create a text file on the fly with lua
(if you really really really need that) and then your script only says
something like.
# bla.plt created on the fly with lua scripts
plot 1.2 * x + 3
\startGNUPLOTscript[bla]
load 'bla.plt'
\stopGNUPLOTscript
I leave creating a suitable 'bla.plt' with lua to others ...
Mojca
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On Mon, Dec 12, 2011 at 23:07, Mojca Miklavec wrote:
However, \startGNUPLOTinclusions is parsed and you could in theory
misuse that, but it would be very bad coding practice.
(Wait, I'm not sure about that. I think that I fixed that for the same
reason, but I need to check.)
Either way the moral of the story is still the same: context parsing
is very very very confusing and you don't want to go there. In
particular you never know if something should be parsed and executed
before or after gnuplot processing.
One more example. One thing that would most probably work (I didn't
try it) would be the following:
\startGNUPLOTscript[name]
plot sin(x) t '$\pi = \ctxlua{math.pi()}$'
\stopGNUPLOTscript
How can you explain to ConTeXt whether lua command has to be executed
before or after gnuplot does its job? (label width will be wrong in
either case, but that's not the point)
Mojca
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On 12-12-2011 22:39, Paul Menzel wrote:
Dear ConTeXt folks,
I have two coefficients saved in a text file
-0.157737135681261
-0.211443105668896
and I want to use them to plot a line with gnuplot.
Having several of those files I want to use Lua to create the formula
for the line for me.
I have not yet figured out how to read values from a file in Lua and
just tried to print a constant to the gnuplot command.
I tried the following.
\usemodule[gnuplot]
\startGNUPLOTscript[lua]
plot \ctxlua{context(1.2 * x + 3)}
\stopGNUPLOTscript
\startGNUPLOTscript[nolua]
plot 1.2 * x + 3
\stopGNUPLOTscript
\starttext
\useGNUPLOTgraphic[lua]
Above should be a plot.
\useGNUPLOTgraphic[nolua]
\blank
\CONTEXT\ \contextmark\ \contextversion
\stoptext
You have to twist your mide a bit:
\startluacode
local x = 10
context.startGNUPLOTscript{ lua }
context(plot %s,1.2 * x + 3)
context.stopGNUPLOTscript()
\stopluacode
\starttext
\useGNUPLOTgraphic[lua]
\stoptext
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On 12-12-2011 23:13, Mojca Miklavec wrote: Either way the moral of the story is still the same: context parsing is very very very confusing and you don't want to go there. In particular you never know if something should be parsed and executed before or after gnuplot processing. Actually this kind of parsing is rather predictable: you use a buffer, so no parsing takes place. On the other hand, the mp environments are passed directly and therefore the content is expanded, unless a macro is defined as unexpandable (which many macros are). Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On Mon, Dec 12, 2011 at 23:17, Hans Hagen wrote:
You have to twist your mide a bit:
\startluacode
local x = 10
context.startGNUPLOTscript{ lua }
context(plot %s,1.2 * x + 3)
context.stopGNUPLOTscript()
\stopluacode
\starttext
\useGNUPLOTgraphic[lua]
\stoptext
Oh, I like this one!
Not that it works at the moment, but fixing the module to make it work
is doable (which is not to say that I know how to do it).
Mojca
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
Am Montag, den 12.12.2011, 23:07 +0100 schrieb Mojca Miklavec:
On Mon, Dec 12, 2011 at 22:39, Paul Menzel wrote:
I have two coefficients saved in a text file
-0.157737135681261
-0.211443105668896
and I want to use them to plot a line with gnuplot.
Having several of those files I want to use Lua to create the formula
for the line for me.
I have not yet figured out how to read values from a file in Lua and
just tried to print a constant to the gnuplot command.
I tried the following.
\usemodule[gnuplot]
\startGNUPLOTscript[lua]
plot \ctxlua{context(1.2 * x + 3)}
\stopGNUPLOTscript
This won't work. The reason is that contents between
\startGNUPLOTscript and \stopGNUPLOTscript are not parsed by ConTeXt
on purpose.
It was very very very painful if not impossible to get it right with
parsing. I often do things like
\def\E#1{$10^{#1}$}
\startGNUPLOTscript[name]
set logscale y
set format y \\E{%T}
plot sin(x) t '$\sin(x) [\E{3}]$' # usually something else with
logscale, but just to show the point
\stopGNUPLOTscript
and if ConTeXt starts parsing this it becomes a pure nightmare.
Realize that it can easily happen that ConTeXt then writes out
set logscale y
set format y some junk leftovers from \\
Eungrouped { since % starts comment
plot sin(x) t '\math{\mathrm{sin}(x) [{10^{3}}]}' arbitrary junk
from expansion ...
However, \startGNUPLOTinclusions is parsed and you could in theory
misuse that, but it would be very bad coding practice.
Thank you very much for your explanations.
It would be a lot better to come up with some proposal how to change
the interface to enable what you want to do. (To be honest, it is
still on my todo list to migrate to Aditya's filter module in the
background, but I don't find the courage to start since I have no idea
how many bugs will creep in.)
I do not know this very well, so I do not know what would change when
using the filter module. I guess in the end being able to pass a
plt-file to `\startGNUPLOTscript` would be enough.
But a serious question: what *exactly* do you want to do with lua that
you are unable to do with some (even though ugly) gnuplot trickery?
I do not know. This was just a product out of my ignorance. Searching
for `gnuplot load parameters` or something like that only turned `fit`
related stuff.
Thinking about this, I should have searched harder or looked at the
manual or examples.
Gnuplot does have some basic programmable capabilities. I can imagine
that you should be able to do something like:
# params.dat
a=-0.157737135681261
b=-0.211443105668896
\startGNUPLOTinclusions
f(x,a,b)=a*x+b
\stopGNUPLOTinclusions
\startGNUPLOTscript[name]
load 'params.dat'
plot f(x,a,b)
\stopGNUPLOTscript
And if needed you can create params.dat on the fly (but I believe that
the same should be doable even if you start with just pure data values
and do some dirty tricks in gnuplot).
That pretty much what I need. Thank you!
What I do is to do simulations and then do the linear regression using R
[1]. (I know gnuplot can do that too, but I got some errors with it and
using R seems easier for me.) Then the calculated coefficient are saved
to a separate file because having discovered your nice gnuplot module I
want to use that for plotting. Now I need to read in those parameters. I
guess I have to compose the plot manually but those parameters were
essential.
Yet another trick could be to create a text file on the fly with lua
(if you really really really need that) and then your script only says
something like.
# bla.plt created on the fly with lua scripts
plot 1.2 * x + 3
\startGNUPLOTscript[bla]
load 'bla.plt'
\stopGNUPLOTscript
I leave creating a suitable 'bla.plt' with lua to others ...
That is in my opinion the best solution. If I want to script something
there are enough solutions already. Being able to use the tools of once
choice and to insert the result should fit everyone’s need.
Thank you again very much for your help.
Thanks,
Paul
[1] http://www.r-project.org/
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
Am Montag, den 12.12.2011, 23:13 +0100 schrieb Mojca Miklavec:
[…]
One more example. One thing that would most probably work (I didn't
try it) would be the following:
\startGNUPLOTscript[name]
plot sin(x) t '$\pi = \ctxlua{math.pi()}$'
\stopGNUPLOTscript
It has some syntax errors, but that is what I tried first and it worked
great. Here is a full example.
\usemodule[gnuplot]
\startGNUPLOTscript[pi]
plot pi t '$π = \ctxlua{context(math.pi)}$'
\stopGNUPLOTscript
\starttext
\useGNUPLOTgraphic[pi]
\blank
\CONTEXT\ \contextmark\ \contextversion
\stoptext
Thanks,
Paul
gnup.pdf
Description: Adobe PDF document
\usemodule[gnuplot]
\startGNUPLOTscript[pi]
plot pi t '$π = \ctxlua{context(math.pi)}$'
\stopGNUPLOTscript
\starttext
\useGNUPLOTgraphic[pi]
\blank
\CONTEXT\ \contextmark\ \contextversion
\stoptext
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[NTG-context] xml attribute conditional
All,
I have a conditional expression that checks to see if the current node
has any ancestor whose xml:id attribute matches a string
\xmldoifelse{#1}{ancestor::div[@xml:id='apr_engl']}
What I need is a test to see if the current node has any ancestor
whose xml:id attribute _contains_ a substring. Something like this:
\xmldoifelse{#1}{ancestor::div[ @xml:id contains('_engl')]}
trying this:
\xmldoifelse{#1}{ancestor::div[ contains(@xml:id, '_engl')]}
got me this error:
! LuaTeX error local expr = xml.expressions...:3: bad argument
#1 to 'contains' (string expected, got nil)
any suggestions?
Jon
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Re: [NTG-context] Preserving Output Files
On Fri, 2011-12-09 at 20:26 +0100, Hans Hagen wrote: I only see cont-en.fmt : format file, sits in the cache and stays there cont-en.lui : lua startup stub, idem handbook.tex : your file, is kept where it is Hans Then I am not sure what file it is missing then since all of those files exist. $ ls -s /home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.fmt /home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.lui Source/Handbook.tex 7868 /home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.fmt 32 /home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.lui 32 Source/Handbook.tex Here is the full console output: $ luatex --file-line-error --interaction=batchmode --fmt=/home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.fmt --lua=/home/kip/.texmf-var/luatex-cache/context/e570cb3e0e3ab0118ca08dd148bbec7d/formats/cont-en.lui --backend=pdf Source/Handbook.tex This is LuaTeX, Version beta-0.71.0-202616 (rev 4358) \write18 enabled. This went wrong: cannot open : No such file or directory system Handbook.top loaded fontslatin modern fonts are not preloaded languageslanguage en is active fontspreloading latin modern fonts (second stage) fontspreloading latin modern fonts (third stage) Clearly the message is ambiguous since I am not sure which file it is referring to. -- Kip Warner -- Software Engineer OpenPGP encrypted/signed mail preferred http://www.thevertigo.com signature.asc Description: This is a digitally signed message part ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Reverse numbering
On Mon, 12 Dec 2011, Otared Kavian wrote:
Hi Wolfgang,
Thank you for your attention: in fact you pointed out how to solve the problem…
Beginning with what you wrote, after a few trials and errors I ended up with
the following which gives what I meant:
%%% begin reverse-enumeration.tex
\definenumber[ReverseNumberOrder][numberorder=reverse]
\defineenumeration[Lecture]
[location=hanging,
text={Lecture n° {\convertednumber[ReverseNumberOrder]}.},
between=,
before={\incrementnumber[ReverseNumberOrder]},
number=no,
after={\hrule\blank}]
Untested, but
\defineenumeration[Lecture][number=ReverseNumberOrder]
should also work.
Aditya___
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On Mon, 12 Dec 2011, Mojca Miklavec wrote:
On Mon, Dec 12, 2011 at 23:17, Hans Hagen wrote:
You have to twist your mide a bit:
\startluacode
local x = 10
context.startGNUPLOTscript{ lua }
context(plot %s,1.2 * x + 3)
context.stopGNUPLOTscript()
\stopluacode
\starttext
\useGNUPLOTgraphic[lua]
\stoptext
Oh, I like this one!
Not that it works at the moment, but fixing the module to make it work
is doable (which is not to say that I know how to do it).
I have not looked into the internals of gnuplot in a while, but
context(\\startGNUplotscript[lua])
context(plot %s, 1.2*x + 3)
context(\\stopGNUplotscript)
should work.
Aditya___
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Re: [NTG-context] Lua and module gnuplot: Manipulate Gnuplot script with Lua
On Mon, 12 Dec 2011, Mojca Miklavec wrote: It would be a lot better to come up with some proposal how to change the interface to enable what you want to do. (To be honest, it is still on my todo list to migrate to Aditya's filter module in the background, but I don't find the courage to start since I have no idea how many bugs will creep in.) Hey, there are no bugs in the filter module ;) If you can send me a complete behavioral description of what the gnuplot module does (what should be written to gnuplot file, what exact command should be called, etc), then I could easily write a wrapper based on the filter module. But the filter module will not help with the OP's question, as the content I treat the filter environment as a buffer and don't parse it at all. Aditya ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Reverse numbering
On 13 déc. 2011, at 07:39, Aditya Mahajan wrote: […] Untested, but \defineenumeration[Lecture][number=ReverseNumberOrder] should also work. Aditya Hi Aditya, Thanks for the hint, but unfortunately it does not work as expected: no numbers show up. Maybe there is a way by using « numberconversion », but I could not figure it out. Best regards: OK___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Reverse numbering
On Tue, 13 Dec 2011, Otared Kavian wrote: On 13 déc. 2011, at 07:39, Aditya Mahajan wrote: […] Untested, but \defineenumeration[Lecture][number=ReverseNumberOrder] should also work. Aditya Hi Aditya, Thanks for the hint, but unfortunately it does not work as expected: no numbers show up. Maybe there is a way by using « numberconversion », but I could not figure it out. I don't remeber the exact syntax and don't have time to look it up, but check out my MAPS article on theorems (it is also a MyWay, I think). There is a way to couple numbers of different theorems (so that you get Theorem 1, Lemma 2, Theorem 3, etc), and the same syntax should work for using a different counter. Another approach could be to use \defineenumeration[Lecture][...] \setupnumber[Lecture][numberorder=reverse] (again untested) Aditya___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
