Re: [NTG-context] Place an annotation before it is defined
On 2013–01–10 Wolfgang Schuster wrote:
You can try the beta from my bitbucket site [0] which uses a two mechanism
for named buffers (\startannotation[NAME] … \stopannotation) which can
be accessed with \getannotation[NAME].
It doesn't work for me:
\usemodule[annotation]
\defineannotation [myannotation]
\starttext
a
\getannotation [foo]
b
\startmyannotation [foo]
ANNOTATION
\stopmyannotation
\stoptext
results in
a
b
ANNOTATION
Furthermore
\usemodule[annotation]
\defineannotation [myannotation]
\setupannotation [myannotation] [alternative=paragraph]
\starttext
\startmyannotation
\stopmyannotation
\stoptext
results in
+ t-annotation.lua)
! Undefined control sequence.
[…]
\540:way -\sharedcounterparameter
\c!way
argument ...rparameter {\currentcounter }\c!way
Tested on: 2013.01.10 01:04
Marco
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[NTG-context] References to footnotes in index
Dear List, I posted this question before, (28 december, ntg-context Digest, Vol 102, Issue 65) but there was little activity on the list around that time and my question may have been overlooked. So that is why I give it another try. The book that I am working on has an index of authors. On some pages of the book an author's name only occurs in a footnote. Is it possible in ConTeXt to mark, in the index, those occurrences in footnotes so that in these cases not only the page number appears in the index but also, preferably as superscript, the footnote number on that page? As for example: Arnold, Franck Th. 283indicating footnote 3 on page 28 (the 3 should have been superscript here but I cannot make a superscript in this mail editor) Thanks in advance for any help. Best regards, Robert Blackstone___ 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] ConTeXt on the Mac (TexShop). Problem of a newbie
Thank you very much for your clarifications! To summarize... 1. The use of additional modules may be nice (as Sietse proposed the complex-slides module), but ConTeXt can achieve very flexible solutions even without these modules. 2. Although the production of slides was not the main issue of my question, I am amazed by the step-by-step guide from Aditya. This was very helpful and I learned a lot about ConteXt by going through all the incremental changes. Thanks! 3. I understand that some presentation styles/modules are provided by users and that they may have to be adapted for specific applications. At this point I was a bit surprised that the dependencies between different modules are not documented explicitly within the modules. E. g., when I tried to use the simpleslides module with the simpleslides-s-Boxed layout, I did not find a required modules... command that might have helped to see the problem. This is different from the LaTeX mechanism to load required packages. However, the reason might be that LaTeX depends much more on these packages, so a strict mechanism is mandatory. Anyway, after you get used to some typical modules in ConTeXt you might not miss this kind of strict rule... 4. The fact that my initial example starting with 1 \usemodule[s-pre-05] crashed for s-pre-05 and most of the other s-pre-XX modules indicates that such crashes have nothing to do with the decision to load modules from other users. The s-pre-XX modules are part of the standalone ConTeXt installation, my installation was fine, but a recent update of some mkiv component was not compatible with luatex. So what to do next? Load an earlier ConText version? Wait until this problem is fixed? If the mkiv - luatex interaction is the reason for this problem, the problems might not be restricted to some s-pre-XX modules (that are unchanged since about two years...) ? Thanks again Thomas ___ 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] ConTeXt on the Mac (TexShop). Problem of a newbie
Hi Keith, thank you for your open comments. You exactly understood the questions that I am asking right now. Would it be a good idea to switch to ConTeXt? Yes, I do not have (and I do not want to have) a deeper understanding of proper TeX. Well, I have Knuth's TeXbook in my shelf, but it is simply a question of time. Life is too short anyway ;-) But... do I really have to have a knowledge of proper TeX and Lua before I can use ConTeXt? For me, the charme of ConTeXt had always been that those nice documents had been prepared with rather smart code. I dont want to write my own modules (in which case I definitely would need to know proper TeX and Lua). I just want to use ConTeXt and focus on the content, not on the technical background. Sure, I am using MacTeX and TeXLive now for many years. What attracted me to ConTeXt was the project-product-component structure to use and re-use components. Other aspects are - different modes (presentation, handout, manuscript) - poster production - nice graphics/animation via pstricks or metapost - export to other formats (when writing articles many journals in my field do not accept .tex-files) - export to epub/mobi format. I enjoy reading mobile versions of my own texts and of the texts my students give me for review. - import from Scrivener... When writing difficult texts I noticed that LaTeX-typesetting is often an interruption of the writing flow. After writing some sentences I am curious to see how the text might look like, so I typeset the text and sooner or later I am fiddling with some LaTeX details instead of focussing on the writing process. One help had been to use Scrivener during the writing process and using the LaTeX typesetting for the final steps only (as a reward... ;-) ). How much of this list can be accomplished with LuaTex and ConTeXt...? Best wishes Thomas ___ 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] ConTeXt on the Mac (TexShop). Problem of a newbie
You can ignore everything Keith said and you will be just fine. Regards, Khaled On Fri, Jan 11, 2013 at 11:32:39AM +, Meigen, Thomas wrote: Hi Keith, thank you for your open comments. You exactly understood the questions that I am asking right now. Would it be a good idea to switch to ConTeXt? Yes, I do not have (and I do not want to have) a deeper understanding of proper TeX. Well, I have Knuth's TeXbook in my shelf, but it is simply a question of time. Life is too short anyway ;-) But... do I really have to have a knowledge of proper TeX and Lua before I can use ConTeXt? For me, the charme of ConTeXt had always been that those nice documents had been prepared with rather smart code. I dont want to write my own modules (in which case I definitely would need to know proper TeX and Lua). I just want to use ConTeXt and focus on the content, not on the technical background. Sure, I am using MacTeX and TeXLive now for many years. What attracted me to ConTeXt was the project-product-component structure to use and re-use components. Other aspects are - different modes (presentation, handout, manuscript) - poster production - nice graphics/animation via pstricks or metapost - export to other formats (when writing articles many journals in my field do not accept .tex-files) - export to epub/mobi format. I enjoy reading mobile versions of my own texts and of the texts my students give me for review. - import from Scrivener... When writing difficult texts I noticed that LaTeX-typesetting is often an interruption of the writing flow. After writing some sentences I am curious to see how the text might look like, so I typeset the text and sooner or later I am fiddling with some LaTeX details instead of focussing on the writing process. One help had been to use Scrivener during the writing process and using the LaTeX typesetting for the final steps only (as a reward... ;-) ). How much of this list can be accomplished with LuaTex and ConTeXt...? Best wishes Thomas ___ 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 ___
Re: [NTG-context] ConTeXt on the Mac (TexShop). Problem of a newbie
On 1/11/2013 11:58 AM, Meigen, Thomas wrote: 1 \usemodule[s-pre-05] crashed for s-pre-05 and most of the other s-pre-XX modules indicates that such crashes have nothing to do with the decision to load modules from other users. The s-pre-XX modules are part of the standalone ConTeXt installation, my installation was fine, but a recent update of some mkiv component was not compatible with luatex. Most of those presentation styles were used at tex user group meetings and in those cases I often use new (or experimental) functionality, i.e. hooking in extentions and such; in the transition from mkii to mkiv some of the hacks needed in traditional tex are gone but then I need to check all those styles too and I don't use them that often. So what to do next? Load an earlier ConText version? Wait until this problem is fixed? If the mkiv - luatex interaction is the reason for this problem, the problems might not be restricted to some s-pre-XX modules (that are unchanged since about two years...) ? The benefits of mkiv over mkii compensate the occasional issue. Also, issues are often fixed quite fast and as we have a perfect update structure running on the garden problems never stay long. I (and probably others) use mkiv in (often unattended) production runs so it's on the average pretty useable. I haven't used mkii for years. 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] ConTeXt on the Mac (TexShop). Problem of a newbie
On 1/11/2013 12:32 PM, Meigen, Thomas wrote: But... do I really have to have a knowledge of proper TeX and Lua before I can use ConTeXt? For me, the charme of ConTeXt had always been that those nice documents had been prepared with rather smart code. I dont want to write my own modules (in which case I definitely would need to know proper TeX and Lua). I just want to use ConTeXt and focus on the content, not on the technical background. For most layouts no \def or whatever is needed, just some \setupthisorthat commands. The whole idea of context is that one uses a high level of abstraction while coding (although I quite often see violations of that). For instance, normally you will see / use no spacing commands in a document source but set them up in the preamble. Sure, I am using MacTeX and TeXLive now for many years. What attracted me to ConTeXt was the project-product-component structure to use and re-use components. Other aspects are - different modes (presentation, handout, manuscript) 'modes' have always been around - poster production A1 papersizes are supported as are layers (the way to make posters). - nice graphics/animation via pstricks or metapost mp is rather tightly integrated - export to other formats (when writing articles many journals in my field do not accept .tex-files) depends on the format .. there is an xml export (still experimental but on the average good enough) - export to epub/mobi format. I enjoy reading mobile versions of my own texts and of the texts my students give me for review. idem - import from Scrivener... When writing difficult texts I noticed that LaTeX-typesetting is often an interruption of the writing flow. After writing some sentences I am curious to see how the text might look like, so I typeset the text and sooner or later I am fiddling with some LaTeX details instead of focussing on the writing process. One help had been to use Scrivener during the writing process and using the LaTeX typesetting for the final steps only (as a reward... ;-) ). I have no clue what Scrivener is. How much of this list can be accomplished with LuaTex and ConTeXt...? 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 ___
[NTG-context] link to component
Hi,
I'm using a product/component structure with interaction but it seems
that hyperlink targets pointing to manually set pagereferences in
another component file do not work as they should: The line/page numbers
on the link is correct, but the hyperlinks points to _component.pdf_
(which opens, if it has been compiled by itself before, otherwise the
link is just going nowhere) instead of the page in product.pdf
On the other hand, hyperlinks to a chapter/... head work as expected.
I haven't used interaction much until now, so I might well be missing
something, but this seems like a bug to me.
Thanks in advance!
Daniel
Working minimal example:
---
My product.tex looks like this:
\setupinteraction[state=start]
\startproduct product
\startbodymatter
%\at and \inline - \pagereference[knuth] don't work
cf. Knuth at \at{p.}[knuthpage] \inline{line}[knuth]
% \in - \chapter[knuthchap] works
in \in{Chapter}[knuthchap].
\stopbodymatter
\startappendices
\component appendix
\stopappendices
\stopproduct
--
And my appendix.tex looks like this:
\startcomponent appendix
\product product
\chapter[knuthchap]{Knuth}
\startlinenumbering
\startline[knuth]\input knuth\stopline[knuth]
\stoplinenumbering
\page
Some problem here.\pagereference[knuthpage]
\stopcomponent
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Re: [NTG-context] link to component
Sorry, I forgot:
I'm using MkIV version 2012.12.10 23:20
Am 11.01.13 15:52, schrieb Daniel Schopper:
Hi,
I'm using a product/component structure with interaction but it seems
that hyperlink targets pointing to manually set pagereferences in
another component file do not work as they should: The line/page numbers
on the link is correct, but the hyperlinks points to _component.pdf_
(which opens, if it has been compiled by itself before, otherwise the
link is just going nowhere) instead of the page in product.pdf
On the other hand, hyperlinks to a chapter/... head work as expected.
I haven't used interaction much until now, so I might well be missing
something, but this seems like a bug to me.
Thanks in advance!
Daniel
Working minimal example:
---
My product.tex looks like this:
\setupinteraction[state=start]
\startproduct product
\startbodymatter
%\at and \inline - \pagereference[knuth] don't work
cf. Knuth at \at{p.}[knuthpage] \inline{line}[knuth]
% \in - \chapter[knuthchap] works
in \in{Chapter}[knuthchap].
\stopbodymatter
\startappendices
\component appendix
\stopappendices
\stopproduct
--
And my appendix.tex looks like this:
\startcomponent appendix
\product product
\chapter[knuthchap]{Knuth}
\startlinenumbering
\startline[knuth]\input knuth\stopline[knuth]
\stoplinenumbering
\page
Some problem here.\pagereference[knuthpage]
\stopcomponent
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[NTG-context] getnameinfo
I have to update LuaTex on a win2k machine. But I get two errors while running mtxrun.exe and texlua.exe resp. via first- setup.bat. There is a call to getnameinfo in WS2_32.dll which is available in winxp and above. Here is an info from ms how to deal with this: The getnameinfo function was added to the Ws2_32.dll on Windows XP and later. If you want to execute an application using this function on earlier versions of Windows (Windows 2000, Windows NT, and Windows Me/98/95), then you need to include the Ws2tcpip.h file and also include the Wspiapi.h file. When the Wspiapi.h include file is added, the getnameinfo function is defined to the WspiapiGetNameInfo inline function in the Wspiapi.h file. At runtime, the WspiapiGetNameInfo function is implemented in such a way that if the Ws2_32.dll or the Wship6.dll (the file containing getnameinfo in the IPv6 Technology Preview for Windows 2000) does not include getnameinfo, then a version of getnameinfo is implemented inline based on code in the Wspiapi.h header file. This inline code will be used on older Windows platforms that do not natively support the getnameinfo function. Hope this can be done. 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] Layer vs. overlay
Hello, I need to add a text to the FOREGROUND of the page. - Layers can refer to a page (or its size) and elements in a layer are drawn BELLOW the (normal) page content. - Overlays are drawn ABOVE the (normal) page content and their size is given by an element (often \framed) which uses the overlay. So - I'd need a layer which would overlay the normal page content (like foreground or topmost layer) or an overlay which would refer to (= its size and position would depend on) the (current) page (instead of e.g. \framed); it should be a somewhat combination of layers overlays. How to achieve this in ConTeXt? Best regards, Lukas -- Ing. Lukáš Procházka [mailto:l...@pontex.cz] Pontex s. r. o. [mailto:pon...@pontex.cz] [http://www.pontex.cz] Bezová 1658 147 14 Praha 4 Tel: +420 244 062 238 Fax: +420 244 461 038 ___ 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] Place an annotation before it is defined
Am 11.01.2013 um 09:45 schrieb Marco Patzer home...@lavabit.com:
On 2013–01–10 Wolfgang Schuster wrote:
You can try the beta from my bitbucket site [0] which uses a two mechanism
for named buffers (\startannotation[NAME] … \stopannotation) which can
be accessed with \getannotation[NAME].
It doesn't work for me:
\usemodule[annotation]
\defineannotation [myannotation]
Use
\defineannotation[myannotation][method=buffer]
to disable the output from \startmyannotation … \stopmyannotation.
\starttext
a
\getannotation [foo]
You need \getmyannotation[foo].
b
\startmyannotation [foo]
ANNOTATION
\stopmyannotation
\stoptext
results in
a
b
ANNOTATION
Furthermore
\usemodule[annotation]
\defineannotation [myannotation]
\setupannotation [myannotation] [alternative=paragraph]
\starttext
\startmyannotation
\stopmyannotation
\stoptext
results in
+ t-annotation.lua)
! Undefined control sequence.
[…]
\540:way -\sharedcounterparameter
\c!way
argument ...rparameter {\currentcounter }\c!way
Tested on: 2013.01.10 01:04
No idea where this comes from because there is no command with this name in the
current version of the module.
Do you have the following block at the begin of t-annoation.mkvi?
%D \module
%D [ file=t-annotation,
%D version=2013.01.10,
%Dtitle=\CONTEXT\ User Module,
%D subtitle=Annotations,
%D author=Wolfgang Schuster,
%D date=\currentdate,
%Dcopyright=Wolfgang Schuster,
%D license=GNU General Public License]
Wolfgang
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[NTG-context] two problems with xml processing
Hi all,
I am encountering two problems with xml processing; minimal example
below. My questions/observations:
1. How can I prevent every index term to be sorted under x (for
\xmlflush)?
2. What is the readon that the \cite command displays this bizarre
behavior and the list of references is empty when I use authornum as
refcommand?
Thanks and all best!
Thomas
\setupbibtex[database=sample]
\setuppublications
[refcommand=authornum]
\starttext
\startbuffer[demo]
document
pMadame Bovary is a novel by Gustave indextermFlaubert,
Gustave/indextermFlaubert. This has been demonstrated in
citationhh2010/citation in 2010./p
/document
\stopbuffer
\startxmlsetups xml:test
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{document|p|indexterm|citation}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:test}
\startxmlsetups xml:document
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:p
\xmlflush{#1}
\par
\stopxmlsetups
\startxmlsetups xml:indexterm
\index{\xmlflush{#1}}
\stopxmlsetups
\startxmlsetups xml:citation
\cite[{\xmlflush{#1}}]
\stopxmlsetups
\xmlprocessbuffer{whatever}{demo}{}
\page
\placepublications[criterium=all]
\page
\placeregister[index]
\stoptext
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Re: [NTG-context] Place an annotation before it is defined
On 2013–01–11 Wolfgang Schuster wrote:
Use
\defineannotation[myannotation][method=buffer]
to disable the output from \startmyannotation … \stopmyannotation.
\starttext
a
\getannotation [foo]
You need \getmyannotation[foo].
It works perfectly, though I don't have much to test it with, except
one document. Future will show. Thanks a lot for implementing this.
+ t-annotation.lua)
! Undefined control sequence.
[…]
\540:way -\sharedcounterparameter
\c!way
argument ...rparameter {\currentcounter }\c!way
Tested on: 2013.01.10 01:04
No idea where this comes from because there is no command with this name in
the current version of the module.
Ignore it! For some reason mercurial said “Nothing to update” and
let me believe I was using the new version but, in fact kept using
the old one.
Do you have the following block at the begin of t-annoation.mkvi?
[…]
Now I do, yes :)
Marco
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Re: [NTG-context] Layer vs. overlay
On 1/11/2013 4:32 PM, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
Hello,
I need to add a text to the FOREGROUND of the page.
- Layers can refer to a page (or its size) and elements in a layer are
drawn BELLOW the (normal) page content.
- Overlays are drawn ABOVE the (normal) page content and their size is
given by an element (often \framed) which uses the overlay.
So - I'd need a layer which would overlay the normal page content (like
foreground or topmost layer) or an overlay which would refer to (=
its size and position would depend on) the (current) page (instead of
e.g. \framed);
it should be a somewhat combination of layers overlays.
How to achieve this in ConTeXt?
background={whaveter,another,foreground,alastone}
so 'foreground' will do it
-
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] getnameinfo
On 1/11/2013 4:04 PM, Wolfgang Werners-Lucchini wrote: I have to update LuaTex on a win2k machine. But I get two errors while running mtxrun.exe and texlua.exe resp. via first- setup.bat. There is a call to getnameinfo in WS2_32.dll which is available in winxp and above. Here is an info from ms how to deal with this: The getnameinfo function was added to the Ws2_32.dll on Windows XP and later. If you want to execute an application using this function on earlier versions of Windows (Windows 2000, Windows NT, and Windows Me/98/95), then you need to include the Ws2tcpip.h file and also include the Wspiapi.h file. When the Wspiapi.h include file is added, the getnameinfo function is defined to the WspiapiGetNameInfo inline function in the Wspiapi.h file. At runtime, the WspiapiGetNameInfo function is implemented in such a way that if the Ws2_32.dll or the Wship6.dll (the file containing getnameinfo in the IPv6 Technology Preview for Windows 2000) does not include getnameinfo, then a version of getnameinfo is implemented inline based on code in the Wspiapi.h header file. This inline code will be used on older Windows platforms that do not natively support the getnameinfo function. Hope this can be done. So you're using xp or win2K? 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] ConTeXt on the Mac (TexShop). Problem of a newbie
Hi Thomas, You wrote, a good number of e-mails ago: But would it be possible to use ConTeXt without having to care about bugs in updated code or broken links between different modules...? Thought I'd add a brief note to the conversation about updates and stability. ConTeXt Mark II (can use XeTeX, pdfTeX, LuaTeX, and all those other engines) is extraordinarily stable. Its development is frozen (although I think bugfixes can still be requested). Because it is written in TeX, a language that is also frozen, I think it is quite likely that Mark II documents will still compile in 20 years. Mark II is included in the Standalone distribution; use the `texexec` command to compile a document with Mark II. ConTeXt Mark IV is Hans's rewriting of ConTeXt in TeX + Lua, adding lots of features along the way because Lua makes it so damn easy. It requires LuaTeX. * The beta version are mercurial; bugs are introduced and fixed all the time. If you want to use a beta for a project, this is the usual advice: make a separate Standalone installation for your project, and don't update that unless you want/have to. That said: this is only because the next update might contain a bug when you least need it, it's not about compatibility. Hans, as far as I know, tries very hard to not break backward compatibility. * A stable version comes out once a year. They receive special bug-checking attention, and because Hans dislikes breaking backward compatibility I think you could hop from stable to stable and your documents would still compile. As for your third worry, modules dependency hell: this is very much a LaTeX thing. 2 reasons: 1. Pretty much everything is already in ConTeXt itself, meaning less external modules are needed. 2. ConTeXt is 10 years younger than LaTeX, meaning that its design and architecture are 10 years more modern. Specifically, LaTeX has an entire taxonomy of packages that make package-writing easier -- key-value, loops, string operations -- and user-facing packages may depend on any number of these. ConTeXt doesn't have this problem: everyone just depends on the core. So if it's stability you worry about, you have three options: * Use Mark II, solid as a rock. * Follow the stable Mark IVs. * Take a bleeding-edge beta and don't update it. Good luck! --Sietse ___ 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] Layer vs. overlay
Am 11.01.2013 um 16:32 schrieb Procházka Lukáš Ing. - Pontex s. r. o.
l...@pontex.cz:
Hello,
I need to add a text to the FOREGROUND of the page.
- Layers can refer to a page (or its size) and elements in a layer are drawn
BELLOW the (normal) page content.
- Overlays are drawn ABOVE the (normal) page content and their size is given
by an element (often \framed) which uses the overlay.
So - I'd need a layer which would overlay the normal page content (like
foreground or topmost layer) or an overlay which would refer to (= its
size and position would depend on) the (current) page (instead of e.g.
\framed);
it should be a somewhat combination of layers overlays.
How to achieve this in ConTeXt?
Overlays and Layers are to different mechanism which are powerful when you
combine both but first you have to know what each of them does.
1. Overlays
ConTeXt has a overlay environment which cane used in the text to stack the
arguments on the same spot. When take a close look at the example you can see
each new element is placed on top of the previous element, when you remove the
\strut in the argument you would also notice that each argument is placed
horizontal and vertical centered.
\setupbodyfont[40pt]
\starttext
\startoverlay
{\strut\red m}
{\strut\green a}
{\strut\blue l}
\stopoverlay
\stoptext
After you do know now what overlays are I come to the real overlay mechanism.
Overlays are created with the \defineoverlay command which takes a name for the
overlay and its content. The overlays are then applied to a \framed command or
the background to the page the textblock, header etc.
In the next example I created two new overlays with the names “behind” and
“before” (the name itself doesn’t matter) which I activated in the frame with
tha background key.
\starttext
\defineoverlay[behind][{\blackrule[height=2cm,width=8cm,color=yellow]}]
\defineoverlay[before][{\blackrule[height=8cm,width=2cm,color=orange]}]
\framed
[width=10cm,
height=10cm,
background={color,behind,foreground,before},
backgroundcolor=red]
{\blackrule[width=6cm,height=6cm,color=blue]}
\stoptext
When you look at the arguments of the background key you can used two more
names besides my own “behind” and “before” overlays. The first name in the list
“color” is needed when you can to use the argument of the backgroundcolor key
which puts a color two the whole area of the frame. The second name
“foreground” is more interesting because with this you can place overlays
*before* the content of the frame because “foreground” is the frame text itself.
The differences between the overlay environment at the begin and the overlay
mechanism for framed aren’t so big, only the methods to set them because in the
first case you set the content for each level which the argument in braces
({…}{…}) and in the second case you define them first with \defineoverlay and
set the order in the background key.
2. Layers
When you have used layers the content of each layer was always centered in the
frame but with layers you can put the content from each command at a certain
horizontal and vertical position.
In the following example I created a new layer and set three texts for it which
are afterwards placed in the page which the \flushlayer command.
\starttext
\definelayer[test]
\setlayer[test][x=3cm,y=6cm]{ONE}
\setlayer[test][x=8cm,y=2cm]{TWO}
\setlayer[test][x=2cm,y=9cm]{THREE}
\flushlayer[test]
\stoptext
When you put new some text after \flushlayer would be surprised because it
would end put on the following page but you shouldn’t wonder about this because
layers have nothing to do with the page background or foreground.
What makes the layer and overlay mechanism is interesting is when you combine
them and put the \flushlayer command in a overlay which does now place the
texts before or after the content of a frame. With my next example we’re
finally in the process to combine them.
\setupbodyfont[30pt]
\starttext
\definelayer[behindtext]
\definelayer[beforetext]
\setupbackgrounds[text][background={behindtext,foreground,beforetext}]
\setlayer[behindtext][x=-2cm,y=.75ex]{\redBehind}
\setlayer[beforetext][x=+2cm,y=.75ex]{\yellow Before}
The Text!
\setlayer[behindtext][x=5cm,y=4cm]{\redMore background text!}
\setlayer[beforetext][x=3cm,y=8cm]{\yellow More foreground text!}
\stoptext
When you look at the example you can see that haven't created a overlay for
layer even though I said you need it to put the layer after the text. This
isn’t necessary because when you create a new layer context does also create a
overlay with the same name in which the layer is placed. The other question is
how you can place overlays on the text/page when I told before overalls can
only be placed on frame, this is possible because all page elements (textblock,
header, footer and even the page and paper itself) are frames. Even though
these elements are frames they don’t
