Re: [NTG-context] New module: simplesteps.

2012-12-13 Thread Philipp Gesang
Hey André,

thanks for the interesting contribution! Have a look at the patch
I hopefully don’t forget to append.

·

> Well since Raw Steps did not work with mkiv, I tried making a very
> very simple module for a "beamer-like" behaviour.
> 
> I don't really know how to write a module... but here is what I did:
> https://bitbucket.org/andrecaldas/math-video-classes/src/9116599821fc246cb54d3e6d7b8e6304649eaffb/lib?at=default
> 
> I use \startbuffer and \stopbuffer, and also Lua. As I said, I don't
> really know how to write a module... comments are very welcome.

Honestly, it doesn’t work, but that’s a minor flaw! If you want
to use buffers with indirection you have to take care of the
argument delimiters. \grabbufferdata is excellent for that.

I did some rewriting: stray globals and rough namespacing,
mostly. On the practice of calling TeX macros from Lua, the cld
manual can give you a boost:

http://www.pragma-ade.com/general/manuals/cld-mkiv.pdf

This explains how to properly use the context.*() namespace
instead of tex.print and the likes.

I could not figure out how exactly the section block thingy is
supposed to work. It does not create the \startframe macro at all
-- is this something custom? I infer it’s about the slide title
so I have \startframe call \section but that should be taken as a
placeholder at most. In my own slide module I use
\{start,stop}section with the option placehead=no and rely on the
page header to display the slide title (i.e. current section
running head). That was the laziest way I could imagine :P

Some remarks:

  - you should rename simplesteps.mkiv to t-simplesteps.mkiv,
indicating that it is a thirdparty module
  - if you plan on expanding the code you eventually will come to
love this bit: http://wiki.contextgarden.net/System_Macros
  - Context has a namespacing system which you might consider
switching to in the long term:
  http://tex.stackexchange.com/q/58654
but it’s arguably an advanced method
  - maybe switch to mkvi as named parameters make rewriting
macros a breeze

> Is it ok if I send a PDF sample to the list?

For uploading docs and such to the “downloads” section on
bitbucket is great. Then just post a link.

Happy TeXing!
Philipp

diff -r 9116599821fc lib/simplesteps.lua
--- a/lib/simplesteps.lua   Thu Dec 13 20:49:38 2012 -0200
+++ b/lib/simplesteps.lua   Fri Dec 14 01:59:00 2012 +0100
@@ -7,10 +7,12 @@
 license   = "GPL version 3.0 or any later version"
 }
 
-simplesteps = simplesteps or {}
+thirddata   = thirddata or {}
+thirddata.simplesteps   = thirddata.simplesteps or {}
+local simplesteps   = thirddata.simplesteps
 
-local stepcounter = 0
-local maxstepcount = 1
+local stepcounter   = 0
+local maxstepcount  = 1
 
 
 function simplesteps.distance_to_step(str)
@@ -51,7 +53,7 @@
 function simplesteps.update_maxstepcount(steps)
   for i=1,#steps
   do
-step = steps[i]
+local step = steps[i]
 if maxstepcount < step
 then
   maxstepcount = step
diff -r 9116599821fc lib/simplesteps.mkiv
--- a/lib/simplesteps.mkiv  Thu Dec 13 20:49:38 2012 -0200
+++ b/lib/simplesteps.mkiv  Fri Dec 14 01:59:00 2012 +0100
@@ -18,7 +18,7 @@
 \unprotect
 
 %D \macros
-%D   {simplesteps}
+%D   {startframe,stopframe}
 %D
 %D \startframe[Slide 1]
 %D   \startitemize
@@ -31,49 +31,53 @@
 
 \unexpanded\def\uncover[#1]%
   {\ctxlua{
- distance = simplesteps.distance_to_step("#1")
+ local distance = thirddata.simplesteps.distance_to_step("#1")
  if 0 == distance
   then
   elseif 1 == distance
   then
-tex.sprint('\\simplestepscoverednext')
+context.simplestepscoverednext()
   elseif 2 == distance
   then
-tex.sprint('\\simplestepscoveredfar')
+context.simplestepscoveredfar()
   else
-tex.sprint('\\simplestepscoveredveryfar')
+context.simplestepscoveredveryfar()
   end
   }}
 
 \unexpanded\def\only[#1]%
   {\ctxlua{
-  if not simplesteps.instep("#1")
+  if not thirddata.simplesteps.instep("#1")
   then
-tex.sprint('\\simplestepshidden')
+context.simplestepshidden()
   end
   }}
 
 \unexpanded\def\simplestepsplaybuffer%
-  {\ctxlua{simplesteps.playbuffer()}}
+  {\ctxlua{thirddata.simplesteps.playbuffer()}}
 
-\definecolor[hidden1][s=0.75]
-\definecolor[hidden2][s=0.90]
-\definecolor[hidden3][s=0.95]
+\definecolor[simplesteps:hidden1][s=0.75]
+\definecolor[simplesteps:hidden2][s=0.90]
+\definecolor[simplesteps:hidden3][s=0.95]
 
 \unexpanded\def\simplestepshidden#1{}
-\unexpanded\def\simplestepscoverednext#1{\color[hidden1]{#1}}
-\unexpanded\def\simplestepscoveredfar#1{\color[hidden2]{#1}}
-\unexpanded\def\simplestepscoveredveryfar#1{\color[hidden3]{#1}}
+\unexpanded\def\simplestepscoverednext#1{\color[simplesteps:hidden1]{#1}}
+\unexpanded\def\simplestepscoveredfar#1{\color[simplesteps:hidden2]{#1}}
+\unexpanded\def\simplestepscoveredveryfar#1{\color[simplesteps:hidden3]{#1

[NTG-context] [***SPAM***] Re: Spacing and font problem with \chemical inside display math

2012-12-13 Thread Romain Diss
Thanks for your response,

Le jeudi 13 décembre 2012, vous avez écrit :
> In your example, I see the spacing problem in display math but do not see
> the font problem. Maybe Hans can fix this extra spacing problem.
I joined the pdf output I get with my minimal sample. The font problem occurs 
on line 3 where the last parenthesis is smaller than expected.

> Rather than display math (as was suggested with ppchTeX), we have now
> introduced \startchemicalformula
> \stopchemicalformula
> in order to "display" a chemical formula.
Yes but in my cases I do want a mathematic display and not an chemicalformula 
one because I want to express a mathematical formula where chemical formulas 
are indexes. As an example, considere the calculation of the molecular weight:
M(C6H12O6) = 6 M(C) + 12 M(H) + 6 M(O)

> Also, I'm not sure why you might want to put \chemical{} within a \text
> command; may I suggest either \type{\chemical{CO_2}} or {\tt typewriter
> \chemical{CO_2}}, depending upon what you want to achieve.
In fact, it's an habit I made when I used to put chemical formulas in 
subscript like in: m_{H20} = ... With \math{m_{\chemical{H_2O}}}, H2O was 
typed in normal font whereas with \math{m_{\text{\chemical{H_2O, it was 
typed in subscript font as expected. Did not test if it's still the case.

> We are currently in the process of a complete re-write of the chemical
> macros. In fact, we are almost finished and Hans is including the new
> macros in the beta (as fast as he can keep up with my changes...).
So I will wait for the new rewritten macros.

Thanks again.

-- 
Romain Diss



test-chemical.pdf
Description: Adobe PDF document
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Re: [NTG-context] Odd /externalfigure behavior

2012-12-13 Thread Guy Stalnaker

Wolfgang,

Sorry for the delay -- forgot I have the list emails filtered to a 
Context mail folder. DOH!


But I'm seeing sporadic behavior. In more testing just now, I had an 
image work while other images do not work. This is odd. But, they are on 
Dropbox and I wonder now if that may be an issue--hence the 'nil' 
response for the image path, perhaps? I'm going to unlink and relink 
Dropbox and see if that helps.


More later.

Regards,

Guy

On 12/12/2012 12:44 PM, Wolfgang Schuster wrote:


Am 12.12.2012 um 19:27 schrieb Guy Stalnaker :


Wolfgang,

With the same context headers in the document as are in the 'real' document, 
yes, same error. I've modified the image to different images in the same 
directory and a different image in another directory and still get the same 
error.

I checked and the only changes made to my system this week were some ruby 
packages I installed yesterday, so there should have been no changes to the 
context environment itself.

The only other thing I can think of is something awry with Dropbox, which is 
where all of these files reside. Except I can edit/view images and documents. 
It's just context that seems to have an issue.


Is there also a error when you have only the \externalfigure line in your 
document without additional setups?

Wolfgang
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--

"There is only love, and then oblivion. Love is all we have
to set against hatred." (paraphrased) Ian McEwan

Guy Stalnaker, I^2@DOIT, 1210 West Dayton Street, Room 3209 CSS, Madison
WI 53719-1220, jstal...@wisc.edu, work 608.263.8035, cell 608.235.4718,
fax 608.265.6681,
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[NTG-context] New module: simplesteps.

2012-12-13 Thread Andre Caldas
Well since Raw Steps did not work with mkiv, I tried making a very
very simple module for a "beamer-like" behaviour.

I don't really know how to write a module... but here is what I did:
https://bitbucket.org/andrecaldas/math-video-classes/src/9116599821fc246cb54d3e6d7b8e6304649eaffb/lib?at=default

I use \startbuffer and \stopbuffer, and also Lua. As I said, I don't
really know how to write a module... comments are very welcome.

Is it ok if I send a PDF sample to the list?


Cheers,
André Caldas.
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Re: [NTG-context] [IN TOPIC] new interview

2012-12-13 Thread Mari Voipio
On Thu, Dec 13, 2012 at 2:11 PM, Sietse Brouwer  wrote:
> I liked the bit where Dave asked about the process
> Mari's company uses, and that Mari also went into the issue of "so
> *we* use it, but how do we deal with others who don't use it?"

Could you tell that I've had that discussion more than once? Sometimes
I really wonder how difficult it is to understand the sentence "The
original format is *not* a Word (or indeed word processor) document".

"Remind me again why we use this strange and difficult system" is
another all-time favourite that pops up regularly. [The answers are
given in the interview, in case you are reading just this message
without checking out the links.]

Yes, short-term it may appear difficult in an average office
environment. Long-term, I still think ConTeXt was and is the best
alternative out of the available options because of its versatility.
The requirements have changed over the years and will change again - I
foresee tablet-sized interactivity in the near future - but  I have
not needed new tools, just to learn new ways of using what I have. And
the first ConTeXt files I wrote still mostly work; they may need a
little bit of fiddling before compiling on MkIV, but a lot less than
what a structured Word2000 file needs on Word2010 (e.g. TOCs have a
tendency to go bad between versions, figure placement can also be
tricky).


A lot of patience, some fighting spirit (and maybe a bit of luck) is
required if one plans to go the same way, but it can be done and
should be considered as one option among other possibilities.


Regards,

Mari
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Re: [NTG-context] [IN TOPIC] new interview

2012-12-13 Thread Mari Voipio
On Thu, Dec 13, 2012 at 11:03 AM, luigi scarso  wrote:
> http://www.tug.org/interviews/voipio.html
>
> http://www.lucet.fi/craftex

And here's another one done with MetaPost and ConTeXt that I twiddled
with when on a boring 6-hour flight recently:
http://www.lucet.fi/2012/12/twpatterns/ (pattern D is the one I used
as demo at EuroTeX)

I still need to add the "how I did it" page under CrafTeX, explaining
about the MetaPost code, but there were people who wanted to use the
patterns, so I did that first.

And then there's a simulation system for rigid heddle weaving
(band/ribbon weaving, plain weaving) that I coded last weekend. I just
need to get around to doing the threading charts for that, too, and
then the MP code explained, too.


I've also realized that a lot of the traditionally used patterning is
binary - background-foreground, white-black, base-groove, base-relief,
over-under ... on-off - and can thus be described with a simple
monochrome chart on rectangular grid. The range of techniques is wide
from weaving to knitting to fingerloop braiding to embroidery to
mosaics, but the basic idea is always the same. When I read those
charts, my brain does the on-off thing, background colour is 'off',
pattern colour/foreground color is 'on'. E.g. in brocaded
tabletweaving 'under' (usually 'under 1' is default, so I just
remember the sequence of 'overs' and think '3-1-3' when I'm really
doing 'over 3, under 1, over 1, under 1, over 3'.
[Seems like I have seed to another article here, just don't know where
it'll end up...]



I'm glad you've enjoyed reading the interview. It's been long time
coming, but I didn't get around to finishing it until last week. If my
memory serves me right, Hans was the person who started the whole
process by suggesting that I'd be interviewed. Don't remember any more
what the main reason for this was, it's really been quite a while
since then.


Greetings from (very) snowy Finland,

Mari
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Re: [NTG-context] Spacing and font problem with \chemical inside display math

2012-12-13 Thread Alan BRASLAU
We are currently in the process of a complete re-write of the chemical macros. 
In fact, we are almost finished and Hans is including the new macros in the 
beta (as fast as he can keep up with my changes...).

In your example, I see the spacing problem in display math but do not see the 
font problem. Maybe Hans can fix this extra spacing problem.

Rather than display math (as was suggested with ppchTeX), we have now introduced
\startchemicalformula
\stopchemicalformula
in order to "display" a chemical formula.

Also, I'm not sure why you might want to put \chemical{} within a \text 
command; may I suggest either \type{\chemical{CO_2}} or {\tt typewriter 
\chemical{CO_2}}, depending upon what you want to achieve.

Alan


On Thu, 13 Dec 2012 15:41:56 +0100
Romain Diss  wrote:

> Hi all,
> 
> I found what I suppose to be a bug with the \chemical command:
> - when one use \chemical inside display math, the spacing is wrong around the 
> \chemical stuff. The font change inside \chemical also persists outside the 
> command.
> - if one enclose the \chemical command into curly braces, the font problem do 
> not appear but the spaces are still wrong.
> - if one put the \chemical command inside a \text{} command, ConTeXt stops 
> with an error.
> These problems do not occur in inline math.
> 
> Here is a minimal example:
> 
> %% START
> \starttext
> 
> Chemical within inline math: \m{M(\chemical{CO_2})} or
> \m{M(\text{\chemical{CO_2}})}. This works fine.
> 
> Chemical in display math: \startformula M(\chemical{CO_2}) \stopformula gives
> some strange spacing and seems to modify the font outside \tex{chemical}.
> 
> Chemical in display math: \startformula M({\chemical{CO_2}}) \stopformula
> corrects the font problem but still gives some strange spacing.
> 
> %Chemical inside \text in display math: \startformula 
> %M(\text{\chemical{CO_2}}) \stopformula gives an error.
> 
> \stoptext
> %% END
> 
> Anyone has an idea to solve this?
> 
> Thanks in advance.

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Re: [NTG-context] Loading lua file.

2012-12-13 Thread Andre Caldas
Hello, Philipp!

>> If I load a lua file from a module using
>> \registerctxluafile{file}{1.001}
>> or
>> \ctxloadluafile{file}
>> How can I be sure the file was in fact loaded?
>
> The related tracker output is quite comprehensive:
>
> \enabletrackers[resolvers.locating]
> \ctxloadluafile{sometest}

Nice! Thank you.
In my case, it was not being loaded because I had syntax errors in the
lua file. The file was found, but not loaded. I guess it is a very
good reason to halt!


Cheers,
André Caldas.
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Re: [NTG-context] Spacing and font problem with \chemical inside display math

2012-12-13 Thread Romain Diss
Strange, why did I get a spam tag on this message…

-- 
Romain Diss

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[NTG-context] [***SPAM***] Spacing and font problem with \chemical inside display math

2012-12-13 Thread Romain Diss
Hi all,

I found what I suppose to be a bug with the \chemical command:
- when one use \chemical inside display math, the spacing is wrong around the 
\chemical stuff. The font change inside \chemical also persists outside the 
command.
- if one enclose the \chemical command into curly braces, the font problem do 
not appear but the spaces are still wrong.
- if one put the \chemical command inside a \text{} command, ConTeXt stops 
with an error.
These problems do not occur in inline math.

Here is a minimal example:

%% START
\starttext

Chemical within inline math: \m{M(\chemical{CO_2})} or
\m{M(\text{\chemical{CO_2}})}. This works fine.

Chemical in display math: \startformula M(\chemical{CO_2}) \stopformula gives
some strange spacing and seems to modify the font outside \tex{chemical}.

Chemical in display math: \startformula M({\chemical{CO_2}}) \stopformula
corrects the font problem but still gives some strange spacing.

%Chemical inside \text in display math: \startformula 
%M(\text{\chemical{CO_2}}) \stopformula gives an error.

\stoptext
%% END

Anyone has an idea to solve this?

Thanks in advance.


-- 
Romain Diss

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Re: [NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread Mojca Miklavec
On Thu, Dec 13, 2012 at 11:46 AM, Alan BRASLAU wrote:
> On Thu, 13 Dec 2012 11:20:49 +0100
> Taco Hoekwater  wrote:
>
>> On 12/13/2012 10:55 AM, Alan BRASLAU wrote:
>> > The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):
>> >
>> > /usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"
>>
>>  From the internet, I can deduce that this means that the runtime libc
>> does not match the compile time libc.
>>
>> In particular, this seems relevant:
>>
>>http://comments.gmane.org/gmane.os.freebsd.devel.ports/105182
>>
>> Best wishes,
>> Taco
>
> Yes, I forced a recompile locally (I am running 9.0, Mojca must have compiled 
> on 9.1)

True.
FreeBSD 9.1-PRERELEASE

> and then modified first-setup.sh NOT to re-sync luatex from the standalone 
> server
> and the update then succeeded.
>
> Strangely, the binary on the server worked yesterday. However, since then,
> an update of the ports updated pcre, notably, and this requires a recompile
> of many binaries. I suspect that this is the problem.

Interesting.

> On TeXlive, many precautions are taken to produce "universal" binaries
> (i.e. freebsd 7.2)

But on the other hand, TeX Live has a much wider audience than ConTeXt
does. I should check the logs, but I don't recall seeing that many
users on (k)freebsd, and the ones who have it, use a recent version.

I happily leave compilation of FreeBSD to you if my binaries don't work ;)

Mojca
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Re: [NTG-context] [IN TOPIC] new interview

2012-12-13 Thread Sietse Brouwer
Yes, very nice! I liked the bit where Dave asked about the process
Mari's company uses, and that Mari also went into the issue of "so
*we* use it, but how do we deal with others who don't use it?" An
enjoyable read, thank-you to all involved.
--Sietse

On Thu, Dec 13, 2012 at 12:09 PM, Andre Caldas
 wrote:
>> http://www.tug.org/interviews/voipio.html
>> http://www.lucet.fi/craftex
>
> Nice!
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Re: [NTG-context] [IN TOPIC] new interview

2012-12-13 Thread Andre Caldas
> http://www.tug.org/interviews/voipio.html
> http://www.lucet.fi/craftex

Nice!
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Re: [NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread Alan BRASLAU
On Thu, 13 Dec 2012 11:20:49 +0100
Taco Hoekwater  wrote:

> On 12/13/2012 10:55 AM, Alan BRASLAU wrote:
> > The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):
> >
> > /usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"
> 
>  From the internet, I can deduce that this means that the runtime libc
> does not match the compile time libc.
> 
> In particular, this seems relevant:
> 
>http://comments.gmane.org/gmane.os.freebsd.devel.ports/105182
> 
> Best wishes,
> Taco

Yes, I forced a recompile locally (I am running 9.0, Mojca must have compiled 
on 9.1)
and then modified first-setup.sh NOT to re-sync luatex from the standalone 
server
and the update then succeeded.

Strangely, the binary on the server worked yesterday. However, since then,
an update of the ports updated pcre, notably, and this requires a recompile
of many binaries. I suspect that this is the problem.

On TeXlive, many precautions are taken to produce "universal" binaries
(i.e. freebsd 7.2)

Alan
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Re: [NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread Taco Hoekwater

On 12/13/2012 10:55 AM, Alan BRASLAU wrote:

The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):

/usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"


From the internet, I can deduce that this means that the runtime libc
does not match the compile time libc.

In particular, this seems relevant:

  http://comments.gmane.org/gmane.os.freebsd.devel.ports/105182

Best wishes,
Taco
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Re: [NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread luigi scarso
On Thu, Dec 13, 2012 at 10:59 AM, luigi scarso  wrote:
> On Thu, Dec 13, 2012 at 10:55 AM, Alan BRASLAU  wrote:
>> The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):
>>
>> /usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"
> checking...

Linux luigicasa-K55VD 3.5.0-19-generic #30-Ubuntu SMP Tue Nov 13
17:48:01 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
is ok
--
luigi
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Re: [NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread luigi scarso
On Thu, Dec 13, 2012 at 10:55 AM, Alan BRASLAU  wrote:
> The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):
>
> /usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"
checking...


--
luigi
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[NTG-context] ConTeXt standalone broken (texlua)

2012-12-13 Thread Alan BRASLAU
The ConTeXt standalone is broken, running first-setup.sh (amd64-freebsd):

/usr/local/context/beta/bin/texlua: Undefined symbol "_ThreadRuneLocale"

Alan
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[NTG-context] [IN TOPIC] new interview

2012-12-13 Thread luigi scarso
http://www.tug.org/interviews/voipio.html

http://www.lucet.fi/craftex
--
luigi
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