On 12/19/2016 10:10 AM, Fabrice Couvreur wrote:

Hello, I do not answer the question, but I'm interested because I also use Asymptote. The following code works with context in texlive 2016 but does not work with standalone context. thank you,

it probably depends on what you want to pass as info (i don't have asymptote installed nor time to check it) but if the code you pass gets expanded then you can add expandable macros or \the\foo kind of code to it Hans

Fabrice % macros=mkvi

\usemodule[filter]

\defineexternalfilter [ASY] [ filter={asy -tex "context" -outformat pdf -outname \externalfilteroutputfile}, output=\externalfilterbasefile.pdf, cache=yes, readcommand=\ReadImage, ]

\define[1]\ReadImage{\externalfigure[#1]}

\starttext Testing if we can include an asymptote image \startplacefigure[location={here}, title={An Asymptote figure}] \startASY import three; size(8cm,0); currentlight.background=black;

material White(real x, real y){ return material(diffusepen=gray(.05+.1x+.3y), emissivepen=gray(.05+.1x+.3y)); }

for(int y=0; y<=2; ++y) for(int x=0; x<3; ++x) draw(shift(2x,2y,0)*unitsphere,White(x,y)); \stopASY \stopplacefigure \stoptext

2016-12-19 8:41 GMT+01:00 Jaroslav Hajtmar mailto:hajtmar@gyza.cz>:

Hello ConTeXtist,____

I saw the opportunity to insert an Asymptote picture into Context source code (due filter).____

For example here: https://mailman.ntg.nl/pipermail/ntg-context/2015/080581.html https://mailman.ntg.nl/pipermail/ntg-context/2015/080581.html____

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Is there a way to pass the ConTeXt parameter which influenced the creation of the Asymptote image? My point eg. the ability to define macros, which gave its parameters to Asymptote procedure or function and depending on these parameters, the image created by Asymptote looked differently.____

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Before starting work on an illustrative example I am asking, whether it makes sense to deal with such a thing ... I suppose the impossibility of combining asymptote code and such Lua code (or not?).____

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There is a similar possibility, at least in Metapost? For simpler pictures it would probably suffice ....____

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Thanx ____

Jaroslav Hajtmar____

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___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

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-- ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Thanx Aditya very much for your Metapost example. This I certainly sufficient for the production of simple images for my ideas. I attach source code, which outlines how I imagined inserting Asymptote images into Context. In the lower part of commented code is fully functional, compiled ConTEXt of TeX Live 2016 (included in the package is also Asymptote). My idea is that Asymptote code is part of my ConTeXt macro and parameters of macro are passed into Asymptote. My example does not work because Asymptote is probably not enough linked with Context. I am very grateful that You would to deal with my problem. I am not sure whether it will do Asymptote example as in the case Metapost. That's why I use filter in my own example (taken from https://mailman.ntg.nl/pipermail/ntg-context/2015/080581.html ). Thank you once again. Jaroslav Hajtmar \usemodule[filter] \defineexternalfilter [ASY] [ filter={asy -tex "context" -outformat pdf -outname \externalfilteroutputfile}, output=\externalfilterbasefile.pdf, cache=yes, readcommand=\ReadImage, ] \define[1]\ReadImage{\externalfigure[#1]} \define[1]\mycircle{ \startASY import graph; draw(Circle((0,0),#1)); \stopASY } \starttext \mycircle{20} \mycircle{30} \mycircle{40} \stoptext %% simple asymptote example (compiled ConTeXt (LuaTeX) from TeX Live 2016) % %\usemodule[filter] % %\defineexternalfilter % [ASY] % [ % filter={asy -tex "context" -outformat pdf % -outname \externalfilteroutputfile}, % output=\externalfilterbasefile.pdf, % cache=yes, % readcommand=\ReadImage, % ] % %\define[1]\ReadImage{\externalfigure[#1]} % %\starttext %\startASY %import graph; %draw(Circle((0,0),20)); %\stopASY %\stoptext Dne 19.12.16 17:19, ntg-context za uživatele Aditya Mahajan napsal(a): On Mon, 19 Dec 2016, Jaroslav Hajtmar wrote: > There is a similar possibility, at least in Metapost? For simpler > pictures it would probably suffice .... The ability to pass parameters to metapost has been around since the beginning. See the metafun manual for details (search for MPvar). For simple images, you can also do: \define[1]\Circle{\startMPcode draw fullcircle scaled #1*cm; \stopMPcode} \Circle{1} \Circle{2} \Circle{3} > Is there a way to pass the ConTeXt parameter which influenced the > creation of the Asymptote image? My point eg. the ability to define > macros, which gave its parameters to Asymptote procedure or function and > depending on these parameters, the image created by Asymptote looked > differently. In principle, something similar to \MPvar can work for asymptote as well (or one could do parse the content in Lua rather than expand variables in TeX). > Before starting work on an illustrative example I am asking, whether it > makes sense to deal with such a thing ... I suppose the impossibility of > combining asymptote code and such Lua code (or not?). ConTeXt and Metapost are very well integrated, even in MkII. The same ideas could work with other graphic backends as well (Asymptote, tikz, and others). But it does require a good knowledge of the graphics package. I am willing to write the code at the context end, if someone who knows asymptote can tell me what needs to be done at the asymptote end. 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://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________

Hello Adytia. Thanks for sending Your code. It seems that it works with Asymptote. Unfortunately, when I am trying to multiple call a macro then I get fatal error, and then compile collapse. I do not know what it could be. Is it possible that my code is wrong. But it is possible that there is a stack overflow etc. It would be a need to look at why the fatal error occurs - It probably can evaluate Hans. Thanks again for your support. Below is my code. If removed commentary characters occurs advised error. Jaroslav Hajtmar \usemodule[filter] \defineexternalfilter [ASY] [ filtercommand={asy -tex context \externalfilterinputfile\space -o \externalfilteroutputfile}, output=\externalfilterbasefile.pdf, purge=no, cache=yes, readcommand=\ReadImage, ] \define[1]\ReadImage{\externalfigure[#1]} \define[1]\mycircle{ #1 - XXX \setbuffer[ASY] import graph; draw(Circle((0,0),#1)); \endbuffer \processASYbuffer[ASY] } \starttext AAA \startASY import graph; draw((0,0)--(100,100)); \stopASY BBB \mycircle{100} %CCC %\mycircle{50} %DDD %\mycircle{200} \stoptext Dne 22.12.16 5:49, ntg-context za uživatele Aditya Mahajan napsal(a): On Tue, 20 Dec 2016, Jaroslav Hajtmar wrote: > very much for your Metapost example. This I certainly sufficient for the > production of simple images for my ideas. > \define[1]\mycircle{ > \startASY > import graph; > draw(Circle((0,0),#1)); > \stopASY > } > > \starttext > \mycircle{20} > \mycircle{30} > \mycircle{40} > \stoptext It is already feasible to define something this simple using the filter module. I don't have asymptote installed on the machine that I am currently working on, but here is an example that uses pandoc. \usemodule[filter] \defineexternalfilter [MARKDOWN] [ filtercommand={pandoc -f markdown -t context \externalfilterinputfile\space -o \externalfilteroutputfile}, cache=yes, purge=no, % Just for testing. May be removed. ] \define[1]\TEST {\setbuffer[MARKDOWN]This is #1\endbuffer \processMARKDOWNbuffer[MARKDOWN]} \starttext \startMARKDOWN This is **one** \stopMARKDOWN \TEST{**ONE**} \TEST{_TWO_} \stoptext With this method, the results are not cached. Let me know if this works for your needs. 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://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________

On 12/23/2016 8:22 PM, Aditya Mahajan wrote:

On Fri, 23 Dec 2016, Jaroslav Hajtmar wrote:

...

Thanks for sending Your code. It seems that it works with Asymptote. Unfortunately, when I am trying to multiple call a macro then I get fatal error, and then compile collapse. I do not know what it could be.

When called for the first time, the code generates test-ASY.pdf file and includes it. After the second call, a new test-ASY.pdf is generated. ConTeXt generates an error because the name of the files is the same, but the content is not.

There should be an option for \externalfigure to disable this check, but I couldn't find it. Here is an alternative approach, that changes the name of the PDF.

object=no should work but even then, the backend can keep files open and flush later Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

On Sat, 24 Dec 2016, Jaroslav Hajtmar wrote:

It seems now, that everything at this time works as intended. Many thanks for your support. Below is a minimal example. Attached is a PDF sample result.

Nice to know that it works.

I tried also to experiment with the choice "object = no", as suggested by Hans, but without success.

Note that it is "object=no" (without spaces around equal to)

I would asking if you make any changes in filter module? Or have I misunderstood Your opinion?

I will add the code between \unprotect ... \protect to the filter module after I have tested it a bit more thoroughly. Aditya

On Tue, 20 Dec 2016, Alan Braslau wrote:

On Mon, 19 Dec 2016 08:19:25 -0800 Aditya Mahajan wrote:

...

The ability to pass parameters to metapost has been around since the beginning. See the metafun manual for details (search for MPvar).

Hans has developed tools making it quite easy to pass data back and forth between MetaPost and lua. This is quite efficient, and it is being used more and more in the development of macro functionality.

Thanks. It has been a few years since I read the ConTeXt+MP related part of the source. I'll look again to see how MP-Lua interface is developed. Aditya

On Sun, 19 Mar 2017, Aditya Mahajan wrote:

On Tue, 20 Dec 2016, Alan Braslau wrote:

...

On Mon, 19 Dec 2016 08:19:25 -0800 Aditya Mahajan wrote:

...

The ability to pass parameters to metapost has been around since the beginning. See the metafun manual for details (search for MPvar).

Hans has developed tools making it quite easy to pass data back and forth between MetaPost and lua. This is quite efficient, and it is being used more and more in the development of macro functionality.

I finally need to write a macro where I want to pass data from lua to metapost. I could not find an example in the source code showing this. Can someone show a basic example of how lua-metapost interface works or point me to the appropriate files in the source.

Found some information in the CLD manual. That is sufficient for the task at hand for me. But a pointer to a more detailed source will be welcome. Aditya