[NTG-context] xmlfiles and url address
Hi all,
I wish you happy new year and start with an xml-question:
Is it possible to process files from an URL address? It should be
something like:
\starttext
...
\xmlprocessfile{main}{http://example.com/document1.xml}{}
\xmlprocessfile{main}{http://example.com/document2.xml}{}
...
\stoptext
Thank you for your support. Kind regards,
Martin
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Re: [NTG-context] xmlfiles and url address
On 5-1-2012 09:19, Martin Fechner wrote:
Hi all,
I wish you happy new year and start with an xml-question:
Is it possible to process files from an URL address? It should be
something like:
\starttext
\xmlprocessfile{main}{http://example.com/document1.xml}{}
\xmlprocessfile{main}{http://example.com/document2.xml}{}
low level hackery ...
\edef\MyFileName#1{\cldcontext{resolvers.findbinfile(url.hashed(#1))}}
\xmlprocessfile{main}{\MyFileName{http://example.com/document1.xml}}{}
\xmlshow{main}
-
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] Italicized text trailing space too small
On 05.01.2011, at 06:32, Aditya Mahajan wrote:
On Wed, 4 Jan 2012, Kip Warner wrote:
Text that I {\it have italicized} trails too tight with the first
non-italicized word that is typeset next. I'm sure there is some ConTeXt
command that adjusts this that I am unfamiliar with.
\italiccorrection or \/
Usage:
{\it text \italiccorrection}
Or www.pragma-ade.com/preliminaries/hybrid-italics.pdf
\definefontfeature[default][default][itlc=yes]
\setupitaliccorrection[always] % none|text|always|always,global
Andreas
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[NTG-context] howto get good references in mkiv?
Hello Members,
some piece of code, with the problems.
I hope somebody can use it to improve ConTeXt,
Compilation with texexec is no problem,
Kind Regards,
Rene'
% Begin code:
\setupcolors[state=start]
\setupinteraction[state=start,color=orange]
\setupreferencing[state=start]
\defineblock[question]
\defineblock[answer]
\defineenumeration[question][location=top,coupling=answer]
\defineenumeration[answer][location=top,coupling=question]
\hideblocks[question]
\hideblocks[answer]
\defineblock[exercise]
\defineblock[solution]
\defineenumeration[exercise][location=top,text=Exercise]
\defineenumeration[solution][location=top,text=Solution]
\hideblocks[exercise]
\hideblocks[solution]
\defineblock[exer]
\defineblock[sol]
\defineenumeration[exer][location=top,text=Exercise]
\defineenumeration[sol][location=top,text=Solution]
\hideblocks[exer]
\hideblocks[sol]
\starttext
\chapter{Preface}
To write Lecture Notes or Exams I want to use a mechanism
such that in just one paper the questions and the answers
can be written. And then to hide the answers at some way or
to get a coupling between the exercises and the solutions.\crlf
I wanted also a mechanism to give each exercise and each solution a number.
These numbers have not to be equal. It is may be better for the students that
numbers of the solutions are different from that of the exercises! Than they
can play the game: What exercise belongs to a certain solution?\crlf
The Zeroth Attempt: a try to use coupling.\crlf
The First Attempt: the use of blocks, but the coupling explicit made by myself
and there is made use of \type{\defineenumeration}.\crlf
The Second Attempt: this I used already succesfully by texexec. I defined by
myself a new counter and used that counter in \type{\itemize} and I referenced
to
the \type{\item}(s).\crlf\crlf
Used is the frozen texexec version 6.2.1 - 1997-2009 - PRAGMA ADE/POD and
version 2011.05.18 18:04, resp. version 2012.01.02 21:59 of context. \crlf
On the way I learned howto work with a standalone ConTeXt and a system-wide
installed ConTeXt.
\chapter{Different mechanism to number exercises and solutions}
\subsection{Zeroth Attempt}
% Begin: Zeroth Attempt
This Zeroth Attempt is a tryout to see if the coupling mechanism works.
I never used it before so I was curiuous. \crlf\crlf
If all the examples are done at once:\crlf
Compilation stopped at the places: First Question, Second Question,
First Answer and Second Answer. Pushed Enter and compilation continued.
\startitemize[n]
% oke
\item With texexec: no coupling. You don't see anything.
% oke
\item With context ( version: 2012.01.02 21:59):
You see some text written in orange somewhere, but no interactivity.\crlf
Compilation stopped at the places: First Question, Second Question,
First Answer and Second Answer. Pushed Enter and compilation continued.
% oke
\item With context ( version: 2011.05.18 18:04): \crlf
You see orange triangles as references, both the Exercises and the Solutions,
but there is no interaction.
\stopitemize
If the example is done separately:
\startitemize[n]
% oke
\item With texexec: no coupling. You don't see anything.
% oke
\item With context ( version: 2012.01.02 21:59): \crlf
You see some text written in orange somewhere, but no interactivity.\crlf
Compilation stopped at the places: First Question, Second Question,
First Answer and Second Answer. Pushed Enter and compilation continued.
% oke
\item With context ( version: 2011.05.18 18:04): \crlf
You see orange triangles as references, both the Exercises and the Solutions,
but there is no interaction. \crlf
Compilation stopped at the places: First Question, Second Question,
First Answer and Second Answer. Pushed Enter and compilation continued.
\stopitemize
\page
\beginquestion
\startquestion
First Question
\stopquestion
\startquestion
Second Question
\stopquestion
\endquestion
\useblocks[question]
\page
\beginanswer
\startanswer
First Answer
\stopanswer
\startanswer
Answer
\stopanswer
\endanswer
\useblocks[answer]
% End: Zeroth Attempt
\subsection{First Attempt}
% Begin: First Attempt
Nested hidden blocks give problems, such as the continuation of
the enumerations and also the amount of times that something is repeated. \crlf
If all the examples are done at once:\crlf
Compilation stopped at the places: First Question, Second Question,
First Answer and Second Answer. Pushed Enter and compilation
continued.
\startitemize[n]
% oke
\item With texexec: no problems.
% oke
\item With context ( version: 2012.01.02 21:59):
no references at all, so ??, both the Exercises and the Solutions.
% oke
\item With context ( version: 2011.05.18 18:04): \crlf
no references at all, so ??, both the Exercises and the Solutions.
\stopitemize
If the example is done separately:
\startitemize[n]
% oke
\item With texexec: no problems.
% oke
\item With context ( current version: 2012.01.02 21:59):
The references do what they have to do. No problems.
% oke
\item With context ( current version:
[NTG-context] CLD: context.getvariable as Lua variable
Hello,
I'm relatively quite new to TeX world. This is my first message to list. I
hope you understand me, English isn't my mother language.
I'm trying to use a variable set by \setvariable in Lua. I tried some
combinations, based on manual but I couldn't succeed. The code below
exemplifies what I wanted to do.
\starttext
\setvariable{namespace}{var}{Some context}
\ctxlua{
local s = context.getvariable(namespace, var)
if s == then
...
else
...
end
}
\stoptext
I know that I can use some of \if* TeX commands, but coding in Lua is
better to me.
--
Wagner Macedo
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Re: [NTG-context] CLD: context.getvariable as Lua variable
Am 05.01.2012 um 15:49 schrieb Wagner Macedo:
Hello,
I'm relatively quite new to TeX world. This is my first message to list. I
hope you understand me, English isn't my mother language.
I'm trying to use a variable set by \setvariable in Lua. I tried some
combinations, based on manual but I couldn't succeed. The code below
exemplifies what I wanted to do.
\starttext
\setvariable{namespace}{var}{Some context}
\ctxlua{
local s = context.getvariable(namespace, var)
if s == then
...
else
...
end
}
\stoptext
I know that I can use some of \if* TeX commands, but coding in Lua is better
to me.
What you’re trying is not possible but there are other ways to check the
content of the variable in Lua.
\startluacode
userdata = userdata or { }
function userdata.checkvariable(variable)
if variable == then
context(EMPTY)
else
context(NOT EMPTY)
end
end
\stopluacode
\setvariable{wagner}{name}{Wagner Macedo}
\starttext
\ctxlua{userdata.checkvariable(\getvariable{wagner}{name})}
% This does only with \startlua or \ctxlua
\startlua
local name = \getvariable{wagner}{name}
if name == then
context(No Text)
else
name = Name: .. name
context(name)
end
\stoplua
\stoptext
A different method is to save the \setvariables entries in a Lua table and
check the entries of the table.
\startluacode
userdata= userdataor { }
userdata.macedo = userdata.macedo or { }
userdata.macedo.data = { }
function userdata.macedo.savevariables(variables)
userdata.macedo.data = variables
end
function userdata.macedo.checkvariables()
local variables = userdata.macedo.data
-- check for name
if variables.name == then
context(Name: No name set)
context.par()
else
context(Name: ..variables.name)
context.par()
end
-- check for address
if variables.address == then
context(Address: No address set)
context.par()
else
context(Address: ..variables.address)
context.par()
end
end
\stopluacode
\starttexdefinition SaveVariables
\startlua
userdata.macedo.savevariables{
name= \getvariable{macedo}{name},
address = \getvariable{macedo}{address},
}
\stoplua
\stoptexdefinition
\setvariables[macedo][set=\SaveVariables]
\starttext
\setvariables[macedo][name=Wagner Macedo]
\ctxlua{userdata.macedo.checkvariables()}
\setvariables[macedo][address=Secret]
\ctxlua{userdata.macedo.checkvariables()}
\stoptext
Wolfgang
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Re: [NTG-context] Italicized text trailing space too small
On Tue, Jan 4, 2011 at 8:32 PM, Aditya Mahajan adit...@umich.edu wrote:
On Wed, 4 Jan 2012, Kip Warner wrote:
Text that I {\it have italicized} trails too tight with the first
non-italicized word that is typeset next. I'm sure there is some ConTeXt
command that adjusts this that I am unfamiliar with.
\italiccorrection or \/
Or use \em which (as I understand it) automatically adds italic correction?
Although the hybrid-italics feature looks great (so many hidden
nuggets out there :).
c
--
Chris Lott ch...@chrislott.org
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Re: [NTG-context] CLD: context.getvariable as Lua variable
Firstly, thanks by answer.
The second way is nice, but could be generic (e.g. save any variable in a
namespace)?
--
Wagner Macedo
On 5 January 2012 13:04, Wolfgang Schuster schuster.wolfg...@googlemail.com
wrote:
Am 05.01.2012 um 15:49 schrieb Wagner Macedo:
Hello,
I'm relatively quite new to TeX world. This is my first message to list. I
hope you understand me, English isn't my mother language.
I'm trying to use a variable set by \setvariable in Lua. I tried some
combinations, based on manual but I couldn't succeed. The code below
exemplifies what I wanted to do.
\starttext
\setvariable{namespace}{var}{Some context}
\ctxlua{
local s = context.getvariable(namespace, var)
if s == then
...
else
...
end
}
\stoptext
I know that I can use some of \if* TeX commands, but coding in Lua is
better to me.
What you’re trying is not possible but there are other ways to check the
content of the variable in Lua.
\startluacode
userdata = userdata or { }
function userdata.checkvariable(variable)
if variable == then
context(EMPTY)
else
context(NOT EMPTY)
end
end
\stopluacode
\setvariable{wagner}{name}{Wagner Macedo}
\starttext
\ctxlua{userdata.checkvariable(\getvariable{wagner}{name})}
% This does only with \startlua or \ctxlua
\startlua
local name = \getvariable{wagner}{name}
if name == then
context(No Text)
else
name = Name: .. name
context(name)
end
\stoplua
\stoptext
A different method is to save the \setvariables entries in a Lua table and
check the entries of the table.
\startluacode
userdata= userdataor { }
userdata.macedo = userdata.macedo or { }
userdata.macedo.data = { }
function userdata.macedo.savevariables(variables)
userdata.macedo.data = variables
end
function userdata.macedo.checkvariables()
local variables = userdata.macedo.data
-- check for name
if variables.name == then
context(Name: No name set)
context.par()
else
context(Name: ..variables.name)
context.par()
end
-- check for address
if variables.address == then
context(Address: No address set)
context.par()
else
context(Address: ..variables.address)
context.par()
end
end
\stopluacode
\starttexdefinition SaveVariables
\startlua
userdata.macedo.savevariables{
name= \getvariable{macedo}{name},
address = \getvariable{macedo}{address},
}
\stoplua
\stoptexdefinition
\setvariables[macedo][set=\SaveVariables]
\starttext
\setvariables[macedo][name=Wagner Macedo]
\ctxlua{userdata.macedo.checkvariables()}
\setvariables[macedo][address=Secret]
\ctxlua{userdata.macedo.checkvariables()}
\stoptext
Wolfgang
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[NTG-context] TeX inside XML
I need to do some ConTeXt work inside an XML-proces. In principle this works for most TeX-code through an appropriate xmlsetup that calls \xmlcontext. However some code has problems, and it will be no surprise that it concerns table suff. The error is: Misplaced \omit ... \@tbxmultispans #1-\omit \scratchcounter #1\relax \advance \scratchcounter … As this code runs fine in normal ConTeXt environments, the suspicion is some catcode problem. Can I set inside the \xmlsetup-code something to have \xmlcontext using the correct catcode's, iff that turns out to be the problem of course. Thanks in advance. Hans van der Meer ___ 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] CLD: context.getvariable as Lua variable
Am 05.01.2012 um 18:22 schrieb Wagner Macedo: Firstly, thanks by answer. The second way is nice, but could be generic (e.g. save any variable in a namespace)? It would require a different method because \setvariables doesn’t provide information about the values which are set. Can you describe what do you want to achieve and I can try to provide a better solution. 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 ___
Re: [NTG-context] CLD: context.getvariable as Lua variable
Don't worry. It's not needed. I just wanted to avoid mix Lua and TeX codes.
I will survive using:
local s = \getvariable{namespace}{var}
Thank you by attention.
--
Wagner Macedo
On 5 January 2012 14:39, Wolfgang Schuster schuster.wolfg...@googlemail.com
wrote:
Am 05.01.2012 um 18:22 schrieb Wagner Macedo:
Firstly, thanks by answer.
The second way is nice, but could be generic (e.g. save any variable in
a namespace)?
It would require a different method because \setvariables doesn’t provide
information about the values which are set. Can you describe what do you
want to achieve and I can try to provide a better solution.
Wolfgang
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[NTG-context] \rotate broken
Hi,
The latest beta seems to have broken the \rotate command.
\starttext
\rotate{Test}
\stoptext
gives the following error
! Missing { inserted.
system tex error on line 2 in file test.tex: Missing { inserted ...
1 \starttext
2 \rotate{Test}
3 \stoptext
4
to be read again
\hbox
\grph_rotate_finish_indeed -\hbox
\bgroup \ifx \p_rotation_rotation \empty ...
\syst_boxes_with_next_box ...rotate_finish_indeed
\egroup \egroup
l.2 \rotate{Test}
Vianney
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Re: [NTG-context] \rotate broken
On 5-1-2012 19:05, Vianney le Clément wrote:
Hi,
The latest beta seems to have broken the \rotate command.
\starttext
\rotate{Test}
\stoptext
gives the following error
indeed, i already fixed it yesterday but didn't upload yet
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
-
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[NTG-context] missing macro
The macro \expandoneargafter seems to have been disappeared. Is that true? I need it for repairing an appearent failure in the \Word macro to capitalize the first letter in some case. Hans van der Meer ___ 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] \rotate broken
2012/1/5 Hans Hagen pra...@wxs.nl: indeed, i already fixed it yesterday but didn't upload yet Hans Always nice to hear. I'll patiently wait for the Wise Men then :o). Thanks, Vianney ___ 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] missing macro
Am 05.01.2012 um 19:51 schrieb Meer, H. van der: The macro \expandoneargafter seems to have been disappeared. Is that true? I need it for repairing an appearent failure in the \Word macro to capitalize the first letter in some case. Do you have a example where \Word fails in MkIV. The macro was removed because in MkIV many situations can be handled in a better way. 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] Inline itemize
Hello, If I type Blabla. \startitemize[a,text] \item one \item two \stopitemize Blabla. I get a linebreak before and after the itemize. Is this the intended behaviour? How can I get a fully inline enumeration? Thanks, Vianney ___ 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] missing macro
In the meantime I have looked further into the problem. Although in the past redefinition of \Word was the only way to repair, this time there was a destructive interference with \startframedtext. It turned out that \startframedtext[align=middle, etc.] played havic with the following input, to the effect that \Word didn't work as expected. The simple solution --after some digging into my notes inside my (very) old copy of the ConTeXt manual-- was to always put the first set of brackets (even if empty) on the start: \startframedtext[][align=..] etc. Then the problem goes away, but I keep my fingers crossed ;-) No cause for calling bug therefore. Hans van der Meer On 5 jan. 2012, at 20:10, Wolfgang Schuster wrote: Am 05.01.2012 um 19:51 schrieb Meer, H. van der: The macro \expandoneargafter seems to have been disappeared. Is that true? I need it for repairing an appearent failure in the \Word macro to capitalize the first letter in some case. Do you have a example where \Word fails in MkIV. The macro was removed because in MkIV many situations can be handled in a better way. 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 ___ ___ 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] How to define a command...
Hi all,
I need to define numerical coefficients (essentially at random) and then use
them with commands, say like \CoeffAlpha, \CoeffBeta, and so on.
More precisely, how can I define the command \RandomCoeff, so that
\RandomCoeff{Beta}{1}{10} yields a command named \CoeffBeta, which is a random
number chosen between 1 and 10?
I tried to use the following approach, but could not make it work:
%%% begin random-coeff.tex
\setuprandomize[2012] % set a seed
\ctxlua{CoeffAlpha = math.random(1,10) ;}
\def\CoeffAlpha{\ctxlua{tex.print(CoeffAlpha)}}
%
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
}
\starttext
\CoeffAlpha
\RandomCoeff{Beta}{1}{10}
\ctxlua{tex.print(a)}
%\CoeffBeta
\stoptext
%%% end random-coeff.tex
Thanks in advance for any suggestion or hint.
Best regards: OK
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Re: [NTG-context] How to define a command...
Reccently I did something random in ctxlua. I post it in the hope it will be
useful.
Hans van der Meer
\startluacode
-- Define our namespace as hvdm
hvdm = hvdm or {}
-- Return random series of numbers 1..n depending on the number of
arguments
function hvdm.randomseries (n, straight)
local done = {}
for i = 1, n do
done[i] = i
end
if straight == false then
return table.concat(done,,)
end
local result =
for i = n, 2, -1 do
local r = math.random(i)
result = result .. done[r] .. ,
table.remove(done,r)
end
result = result .. done[1]
return result
end
\stopluacode
\def\RandomSeed#1{\directlua{math.randomseed(#1)}}
\def\RandomValue{\directlua{tex.print(math.random())}}
\def\RandomRange#1{\directlua{tex.print(math.random(#1))}}
\def\RandomSeries[#1]#2{\ctxlua{tex.print(hvdm.randomseries(#2,#1))}%
On 5 jan. 2012, at 21:05, Otared Kavian wrote:
Hi all,
I need to define numerical coefficients (essentially at random) and then use
them with commands, say like \CoeffAlpha, \CoeffBeta, and so on.
More precisely, how can I define the command \RandomCoeff, so that
\RandomCoeff{Beta}{1}{10} yields a command named \CoeffBeta, which is a
random number chosen between 1 and 10?
I tried to use the following approach, but could not make it work:
%%% begin random-coeff.tex
\setuprandomize[2012] % set a seed
\ctxlua{CoeffAlpha = math.random(1,10) ;}
\def\CoeffAlpha{\ctxlua{tex.print(CoeffAlpha)}}
%
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
}
\starttext
\CoeffAlpha
\RandomCoeff{Beta}{1}{10}
\ctxlua{tex.print(a)}
%\CoeffBeta
\stoptext
%%% end random-coeff.tex
Thanks in advance for any suggestion or hint.
Best regards: OK
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Re: [NTG-context] How to define a command...
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\starttext
\RandomCoeff{Alpha}{1}{10}
\RandomCoeff{Beta}{2}{20}
\CoeffAlpha
\CoeffBeta
\stoptext
--
Peter
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Re: [NTG-context] How to define a command...
Am 05.01.2012 um 21:17 schrieb Peter Münster:
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
%\csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\setvalue{Coeff#1}{…}
Wolfgang
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Re: [NTG-context] How to define a command...
Am 05.01.2012 um 21:11 schrieb Meer, H. van der:
Reccently I did something random in ctxlua. I post it in the hope it will be
useful.
Hans van der Meer
\startluacode
-- Define our namespace as hvdm
hvdm = hvdm or {}
Don’t use a global namespace, you can use “userdata”.
userdata = userdata or { }
userdata.hvdm = userdata.hvdm or { }
Wolfgang
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Re: [NTG-context] How to define a command...
Thanks Hans, in another problem I was looking for commands such as
\RandomRange, \RandomSeries: I am going to use your ideas!
It is incredible that on this list one gets solutions even for problems one
didn't dare to ask :-)
Best regards: OK
On 5 janv. 2012, at 21:11, Meer, H. van der wrote:
Reccently I did something random in ctxlua. I post it in the hope it will be
useful.
Hans van der Meer
\startluacode
-- Define our namespace as hvdm
hvdm = hvdm or {}
-- Return random series of numbers 1..n depending on the number of
arguments
function hvdm.randomseries (n, straight)
local done = {}
for i = 1, n do
done[i] = i
end
if straight == false then
return table.concat(done,,)
end
local result =
for i = n, 2, -1 do
local r = math.random(i)
result = result .. done[r] .. ,
table.remove(done,r)
end
result = result .. done[1]
return result
end
\stopluacode
\def\RandomSeed#1{\directlua{math.randomseed(#1)}}
\def\RandomValue{\directlua{tex.print(math.random())}}
\def\RandomRange#1{\directlua{tex.print(math.random(#1))}}
\def\RandomSeries[#1]#2{\ctxlua{tex.print(hvdm.randomseries(#2,#1))}%
On 5 jan. 2012, at 21:05, Otared Kavian wrote:
Hi all,
I need to define numerical coefficients (essentially at random) and then use
them with commands, say like \CoeffAlpha, \CoeffBeta, and so on.
More precisely, how can I define the command \RandomCoeff, so that
\RandomCoeff{Beta}{1}{10} yields a command named \CoeffBeta, which is a
random number chosen between 1 and 10?
I tried to use the following approach, but could not make it work:
%%% begin random-coeff.tex
\setuprandomize[2012] % set a seed
\ctxlua{CoeffAlpha = math.random(1,10) ;}
\def\CoeffAlpha{\ctxlua{tex.print(CoeffAlpha)}}
%
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
%\csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
}
\starttext
\CoeffAlpha
\RandomCoeff{Beta}{1}{10}
\ctxlua{tex.print(a)}
%\CoeffBeta
\stoptext
%%% end random-coeff.tex
Thanks in advance for any suggestion or hint.
Best regards: OK
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Re: [NTG-context] How to define a command...
Thanks Peter,
I had tried \expandafter\xdef, \edef, \gdef, but not \expandafter\def…
Thanks for your quick answer: that's exactly what I was looking for.
Best regards: OK
On 5 janv. 2012, at 21:17, Peter Münster wrote:
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
%\csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\starttext
\RandomCoeff{Alpha}{1}{10}
\RandomCoeff{Beta}{2}{20}
\CoeffAlpha
\CoeffBeta
\stoptext
--
Peter
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Re: [NTG-context] How to define a command...
Thanks for Wolfgang: your solution, that is
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\setvalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}}
works indeed and it is somehow simpler than using \expandafter\csname, and as a
matter of fact, after reading your message I searched in the ConTeXt manuals
written by Hans, and found that \setvalue is defined on page 93 of
module-01.pdf as
\def\setvalue#1{\expandafter \def\csname#1\endcsname}
so it is better to use it.
Best regards: OK
On 5 janv. 2012, at 21:18, Wolfgang Schuster wrote:
Am 05.01.2012 um 21:17 schrieb Peter Münster:
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\setvalue{Coeff#1}{…}
Wolfgang
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Re: [NTG-context] How to define a command...
Hi again Wolfgang and Peter,
The solution you provided to my problem is great but has a small issue…
Considering the definition
\define[3]\RandomCoeff{%
\setvalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}
}
after saying
\RandomCoeff{Alpha}{1}{10}
one gets \CoeffAlpha, but if I use several times \CoeffAlpha, it takes a new
value each time, an effect which is undesirable in what I am willing to do.
Is there a way to somehow « freeze » the value of \CoeffAlpha once it is
defined?
Best regards: OK
PS: here is the complete example:
\define[3]\RandomCoeff{%
\setvalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}
}
\starttext
\RandomCoeff{Alpha}{1}{10}
\RandomCoeff{Beta}{10}{100}
\CoeffAlpha
\CoeffBeta
\CoeffAlpha
\CoeffBeta
\stoptext
On 5 janv. 2012, at 21:18, Wolfgang Schuster wrote:
Am 05.01.2012 um 21:17 schrieb Peter Münster:
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\setvalue{Coeff#1}{…}
Wolfgang
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Re: [NTG-context] How to define a command...
Sorry for the noise…
I found the answer to my last question in module-01.pdf, pages 92 and 93: the
right definition is
\define[3]\RandomCoeff{%
\setevalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}
}
that is one has to use \setevalue instead of \setvalue (that is \edef instead
of \def).
Best regards: OK
On 5 janv. 2012, at 22:24, Otared Kavian wrote:
Hi again Wolfgang and Peter,
The solution you provided to my problem is great but has a small issue…
Considering the definition
\define[3]\RandomCoeff{%
\setvalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}
}
after saying
\RandomCoeff{Alpha}{1}{10}
one gets \CoeffAlpha, but if I use several times \CoeffAlpha, it takes a new
value each time, an effect which is undesirable in what I am willing to do.
Is there a way to somehow « freeze » the value of \CoeffAlpha once it is
defined?
Best regards: OK
PS: here is the complete example:
\define[3]\RandomCoeff{%
\setvalue{Coeff#1}{\ctxlua{tex.print(math.random(#2,#3))}}
}
\starttext
\RandomCoeff{Alpha}{1}{10}
\RandomCoeff{Beta}{10}{100}
\CoeffAlpha
\CoeffBeta
\CoeffAlpha
\CoeffBeta
\stoptext
On 5 janv. 2012, at 21:18, Wolfgang Schuster wrote:
Am 05.01.2012 um 21:17 schrieb Peter Münster:
On Thu, Jan 05 2012, Otared Kavian wrote:
\define[3]\RandomCoeff{%
\ctxlua{a = math.random(#2,#3)}
% \csname{Coeff#1}\endcsname{\ctxlua{tex.print(a)}} %% this line does not
work as expected...
\setuprandomize[2012]
\define[3]\RandomCoeff{%
\expandafter\def\csname
Coeff#1\endcsname{\ctxlua{tex.print(math.random(#2,#3))}}}
\setvalue{Coeff#1}{…}
Wolfgang
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Re: [NTG-context] Inline itemize
As I know, yes, this is the intended behavior. You should be thinking in a WYSIWYG way, but TeX, as most languages (except Python, that I know) works apart you write every code in one line or write pretty indented. I hope you understood. -- Wagner Macedo 2012/1/5 Vianney le Clément vleclem...@gmail.com If I type Blabla. \startitemize[a,text] \item one \item two \stopitemize Blabla. I get a linebreak before and after the itemize. Is this the intended behaviour? How can I get a fully inline enumeration? ___ 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] Inline itemize
Am 06.01.2012 um 00:06 schrieb Wagner Macedo: As I know, yes, this is the intended behavior. You should be thinking in a WYSIWYG way, but TeX, as most languages (except Python, that I know) works apart you write every code in one line or write pretty indented. No, this is a bug because with the “text” keyword you can create a inline item which doesn’t start a new paragraph. 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 ___
Re: [NTG-context] Inline itemize
Ah... sorry. I read the manual but I didn't remember this feature. -- Wagner Macedo On 5 January 2012 20:25, Wolfgang Schuster schuster.wolfg...@googlemail.com wrote: No, this is a bug because with the “text” keyword you can create a inline item which doesn’t start a new paragraph. ___ 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] Italicized text trailing space too small
On Wed, 2011-01-05 at 00:32 -0500, Aditya Mahajan wrote:
On Wed, 4 Jan 2012, Kip Warner wrote:
Text that I {\it have italicized} trails too tight with the first
non-italicized word that is typeset next. I'm sure there is some ConTeXt
command that adjusts this that I am unfamiliar with.
\italiccorrection or \/
Usage:
{\it text \italiccorrection}
Aditya
Hey Aditya. I tried both of those options, including altering \it to
\em, as well as putting the following in my environment.
\definefontfeature[default][default][itlc=yes]
\setupitaliccorrection[always]
All of the suggestions everyone kindly made appeared to have affected to
alteration in the final typesetting.
--
Kip Warner -- Software Engineer
OpenPGP encrypted/signed mail preferred
http://www.thevertigo.com
signature.asc
Description: This is a digitally signed message part
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Re: [NTG-context] redefining paragraph breaks
On Tue, 3 Jan 2012, Chris Lott wrote: I know I could do it manually, but that makes the source ugly, so is there a way to redefine paragraph breaks so that instead of actual breaks in the output they are kept as running text separate by a paragraph symbol, e.g.: This is paragraph 1. This is paragraph 2. Becomes in the typeset document: This is paragraph 1. ¶ This is paragraph 2. ? c Can't you use plain's \everypar? ___ 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 ___
