ConTeXt + asymptote

ConTeXt + asymptote

[Renaud AUBIN]

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Hi all,

I like metapost but, according to the following mail (on the metapost ML):

[metapost] MP vs. Asymptote
I don't want to start a flame, but since someone posted a message some
time ago mentioning Asymptote I got curious and I have to say that I was
very impressed, even if I still have some problems with it. However, it
seems a net improvement over MP, or not? Is there anyone with an
informed opinion over Asymptote? Might Asymptote be the killer of MP?

Cheers,
(and always thanks for the help I got here now and then...)

Maurizio
_______________________________________________
metapost mailing list
http://tug.org/mailman/listinfo/metapost

I wonder if someone has already tried to use asymptote with ConTeXt... IMHO, this doesn't seem obvious at all but I'm maybe wrong...

Cheers

Renaud


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Re: ConTeXt + asymptote

[Renaud AUBIN]

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Ouch, grep latex * on the source returns

ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex:
ChangeLog:      * configure.ac: Use kpsewhich to help find default latex
path.
ChangeLog:      Force quiet mode with running embedded latex files.
ChangeLog:      * doc/latexusage.tex, base/plain.asy, doc/asymptote.texi,
ChangeLog:      * doc/generalaxis.asy, doc/generalaxis3.asy,
doc/latexusage.tex,
ChangeLog:      * doc/latexusage.tex, patches/README, patches/dvipdf,
drawlabel.cc,
ChangeLog:      * doc/latexusage.tex: Updated axis call.
ChangeLog:      * doc/generalaxis.asy, doc/helix.asy, doc/latexusage.tex,
ChangeLog:      * doc/latexusage.tex, doc/parametricgraph.asy,
doc/surface.asy,
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex, base/graph.asy,
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex:
ChangeLog:      Fixed texpreamble for multiple files and latex asy
environment.
ChangeLog:      * doc/latexusage.tex, doc/lineargraph.asy,
doc/lineargraph0.asy,
ChangeLog:      * doc/image.asy, doc/latexusage.tex, doc/mosquito.asy,
ChangeLog:      * examples/venn.asy, doc/latexusage.tex:
ChangeLog:      pipe and final latex processing and to ensure tex pipe
font is properly
ChangeLog:      * doc/latexusage.tex, doc/lineargraph.asy, doc/linetype.asy,
ChangeLog:      * Makefile.in, doc/asymptote.texi: Fixed location of
latexusage.tex.
ChangeLog:      * Makefile.in, doc/asymptote.texi: Fixed location of
latexusage.tex.
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex,
examples/sqrtx01.asy,
ChangeLog:      Included correct latexusage file in documentation.
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex,
examples/Pythagoras.asy,
ChangeLog:      Install latexusage.tex with examples.
ChangeLog:      * doc/labelsquare.asy, doc/latexusage.tex,
examples/geometry.asy,
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex,
ChangeLog:      doc/datagraph.asy, doc/latexusage.tex,
examples/Pythagoras.asy,
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex,
examples/lever.asy,
ChangeLog:      * picture.cc: Improved latex diagnostics.
ChangeLog:      * picture.cc: Improved latex diagnostics.
ChangeLog:      * doc/latexusage.tex: updated coordinate
ChangeLog:      doc/asymptote.texi, doc/diatom.asy, doc/latexusage.tex:
Fixed
ChangeLog:      /usr/share/texmf/tex/latex/ (./configure
--with-latex=PATH to
ChangeLog:      * configure.ac: Fixed -with-latex=PATH.
ChangeLog:      * Makefile.in, configure.ac: Added --with-latex=PATH
configuration
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex,
base/plain.asy: Updated
ChangeLog:      * doc/latexusage.tex, base/plain.asy, doc/asymptote.sty,
ChangeLog:      * doc/asymptote.texi, doc/latexusage.tex: Made import
graph local
ChangeLog:      to each figure in latexusage.
ChangeLog:      * doc/latexusage.tex: Example of latex usage.
ChangeLog:      examples/latexusage.tex, doc/asymptote.sty,
doc/asymptote.texi,
configure:ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME
PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT
exec_prefix prefix program_transform_name bindir sbindir libexecdir
datadir sysconfdir sharedstatedir localstatedir libdir includedir
oldincludedir infodir mandir build_alias host_alias target_alias DEFS
ECHO_C ECHO_N ECHO_T LIBS VERSION Datadir kpsewhich latexdir LEX CXX
CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT LEXLIB LEX_OUTPUT_ROOT
INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CC CFLAGS ac_ct_CC SET_MAKE
YACC CXXCPP EGREP getopt GCDIR GCLIBS INCL OPTIONS LIBOBJS LTLIBOBJS'
configure:  --with-latex=PATH       specify path to LaTeX installation
configure:# Check whether --with-latex or --without-latex was given.
configure:if test "${with_latex+set}" = set; then
configure:  withval="$with_latex"
configure:                      latexdir=$withval
configure:  latexdir=`kpsewhich base/latex.ltx`
configure:  latexdir=`echo $latexdir | sed -e 's;/base/latex.ltx;;'`
configure:  latexdir=$prefix/share/texmf/tex/latex
configure:  as_ac_File=`echo "ac_cv_file_$latexdir/base/latex.ltx" |
$as_tr_sh`
configure:echo "$as_me:$LINENO: checking for $latexdir/base/latex.ltx" >&5
configure:echo $ECHO_N "checking for $latexdir/base/latex.ltx...
$ECHO_C" >&6
configure:if test -r "$latexdir/base/latex.ltx"; then
configure:  latexdir=/usr/share/texmf/tex/latex
configure:  as_ac_File=`echo "ac_cv_file_$latexdir/base/latex.ltx" |
$as_tr_sh`
configure:echo "$as_me:$LINENO: checking for $latexdir/base/latex.ltx" >&5
configure:echo $ECHO_N "checking for $latexdir/base/latex.ltx...
$ECHO_C" >&6
configure:if test -r "$latexdir/base/latex.ltx"; then
configure:latexdir=$latexdir/asymptote
configure:{ echo "$as_me:$LINENO: Using $latexdir for LaTeX style file" >&5
configure:echo "$as_me: Using $latexdir for LaTeX style file" >&6;}
configure:s,@latexdir@,$latexdir,;t t
configure.ac:AC_ARG_WITH(latex,
configure.ac:   [  --with-latex=PATH       specify path to LaTeX
installation ],
configure.ac:                   latexdir=$withval
configure.ac:  latexdir=`kpsewhich base/latex.ltx`
configure.ac:  latexdir=`echo $latexdir | sed -e 's;/base/latex.ltx;;'`
configure.ac:  latexdir=$prefix/share/texmf/tex/latex
configure.ac:  AC_CHECK_FILE($latexdir/base/latex.ltx,,
configure.ac:  [latexdir=/usr/share/texmf/tex/latex
configure.ac:  AC_CHECK_FILE($latexdir/base/latex.ltx,,)])
configure.ac:latexdir=$latexdir/asymptote
configure.ac:AC_MSG_NOTICE([Using $latexdir for LaTeX style file])
configure.ac:AC_SUBST(latexdir)
Makefile.in:latexdir = @latexdir@
Makefile.in:    -${INSTALL} -d $(latexdir)
Makefile.in:            doc/*.asy doc/*.csv doc/*.dat doc/latexusage.tex
$(exampledir)
Makefile.in:    -${INSTALL} -m644 doc/asymptote.sty $(latexdir)
Makefile.in:            latexusage.tex
Makefile.in:    -rm -f $(latexdir)/asymptote.sty
Makefile.in:    -rmdir $(latexdir)
picture.cc:texstream tex; // Bi-directional pipe to latex (to find label
bbox)
picture.cc: 
tex.open(getSetting<mem::string>("latex").c_str(),"latex","latex");
picture.cc:    cmd << "'" << getSetting<mem::string>("latex") << "'"
picture.cc:    status=System(cmd,quiet,"latex");
picture.cc:      if(quiet) status=System(cmd,false,"latex");
picture.h:extern texstream tex; // Bi-directional pipe to latex (to find
label bbox)
settings.cc:  addOption(new envSetting("latex", "latex"));

Renaud AUBIN a écrit :

>Hi all,
>
>I like metapost but, according to the following mail (on the metapost ML):
>
>[metapost] MP vs. Asymptote
>I don't want to start a flame, but since someone posted a message some
>time ago mentioning Asymptote I got curious and I have to say that I was
>very impressed, even if I still have some problems with it. However, it
>seems a net improvement over MP, or not? Is there anyone with an
>informed opinion over Asymptote? Might Asymptote be the killer of MP?
>
>Cheers,
>(and always thanks for the help I got here now and then...)
>
>Maurizio
>_______________________________________________
>metapost mailing list
>http://tug.org/mailman/listinfo/metapost
>
>I wonder if someone has already tried to use asymptote with ConTeXt... IMHO, this doesn't seem obvious at all but I'm maybe wrong...
>
>Cheers
>
>Renaud
>
>
>  
>
>------------------------------------------------------------------------
>
>_______________________________________________
>ntg-context mailing list
>ntg-context@ntg.nl
>http://www.ntg.nl/mailman/listinfo/ntg-context
>  
>


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Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> Ouch, grep latex * on the source returns
i downloade it, and indeed it seems that calling latex is hard coded into the source 

of course you can make a batch file latex.cmd that runs context -) 

integrating does not look that problematic but without proper label support ... .

so maybe you can convince the authors to make the --tex switch accept a format 

Hans 


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                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Jilani Khaldi]

>i downloade it, and indeed it seems that calling latex is hard coded into the source 
>
>of course you can make a batch file latex.cmd that runs context -) 
>
>integrating does not look that problematic but without proper label support ... .
>
>so maybe you can convince the authors to make the --tex switch accept a format 
>  
>
Have a look at this:
http://www.kitp.ucsb.edu/~paxton/tioga.html
and, please, tell us what do you think about it.
jk

--
Jilani KHALDI
http://jkhaldi.oltrelinux.com

Re: ConTeXt + asymptote

[Renaud AUBIN]

Tioga looks very nice for 2D plots but IMHO, asymptote could provide a
good transition for metaposters. Moreover, asymptote is a "all-in-one"
tool with 3D support and 2D plots of reasonable quality...

The discussion is now, what do you prefer: an integrated tool with a
great variety of features (even if a small amount of us are interested
by "three" or "graph" in asymptote) or a better tool but with less
features ?

It is already possible to do 3D with metapost by using featpost, m3d or
others but IMHO asymptote seems great because it integrates nativelly
this kind of features.

I have just send a mail to Andy Hammer to ask him what he thinks about
using plainTeX format instead of hardcoded latex calls...

Cheers,

Renaud

Jilani Khaldi a écrit :

>
>Have a look at this:
>http://www.kitp.ucsb.edu/~paxton/tioga.html
>and, please, tell us what do you think about it.
>jk
>
>--
>Jilani KHALDI
>http://jkhaldi.oltrelinux.com
>
>_______________________________________________
>ntg-context mailing list
>ntg-context@ntg.nl
>http://www.ntg.nl/mailman/listinfo/ntg-context
>
>
>  
>

Re: ConTeXt + asymptote

[Hans Hagen]

Jilani Khaldi wrote:
>> i downloade it, and indeed it seems that calling latex is hard coded into the source 
>>
>> of course you can make a batch file latex.cmd that runs context -) 
>>
>> integrating does not look that problematic but without proper label support ... .
>>
>> so maybe you can convince the authors to make the --tex switch accept a format 
>>  
>>
>>     
> Have a look at this:
> http://www.kitp.ucsb.edu/~paxton/tioga.html
> and, please, tell us what do you think about it.
>   
interesting (i assume that it produced pdf) 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> I have just send a mail to Andy Hammer to ask him what he thinks about
> using plainTeX format instead of hardcoded latex calls...
>   
or configurable calls, i see no reason for binding to whatever format 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> The discussion is now, what do you prefer: an integrated tool with a
> great variety of features (even if a small amount of us are interested
> by "three" or "graph" in asymptote) or a better tool but with less
> features ?
>   
or multiple tools -) 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Renaud AUBIN]

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Ok, but how to deal with asymptote like with metapost.
For example, if I produce a pdf with asymptote (with embed fonts) and use this pdf into my ConTeXt document with the same fonts... Is the fonts included twice ? I assume that this is the case...
Maybe it could be interesting to "integrate" asymptote.

I don't know how hard it is at all... It's only an idea...


>interesting (i assume that it produced pdf) 
>
>Hans 
>
>-----------------------------------------------------------------
>                                          Hans Hagen | PRAGMA ADE
>              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
>                                             | www.pragma-pod.nl
>-----------------------------------------------------------------
>
>_______________________________________________
>ntg-context mailing list
>ntg-context@ntg.nl
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>
>
>  
>


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Re: ConTeXt + asymptote

[Renaud AUBIN]

I agree with you, and this is what I do for my document (I use featpost,
metaobj and context term of gnuplot).
But sometimes, there is some conflicts... That's the reason why I think
that an integrated and expandable solution could be interesting.

That's my humble opinion ;)

Hans Hagen a écrit :

>or multiple tools -) 
>
>Hans 
>  
>

Re: ConTeXt + asymptote

[Sanjoy Mahajan]

I started rewriting the asymptote code to use plain TeX -- I had never
used ConTeXt back then, so didn't even try to make that work.  But
maybe the TeX changes will help those more expert in ConTeXt to make
them.  I'll dig out my half-finished changes for public onsumption.

The asymptote authors said that they welcome asymptote working with
other tex formats (someone else had asked about ConTeXt), and prefer,
rather than their having to modify it themselves, that users of those
formats submit the changes (they use LaTeX themselves).

-Sanjoy

Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> Ok, but how to deal with asymptote like with metapost.
> For example, if I produce a pdf with asymptote (with embed fonts) and use this pdf into my ConTeXt document with the same fonts... Is the fonts included twice ? I assume that this is the case...
> Maybe it could be interesting to "integrate" asymptote.
>
> I don't know how hard it is at all... It's only an idea...
>   
it depends, if asymptote outputs a parsable format ...

Hans 


-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt +Tioga

[Jilani Khaldi]

>interesting (i assume that it produced pdf) 
>  
>
Yes with the difference that while Metapost, Asympthote and GLE 
(http://glx.sourceforge.net/)  use their own proprietary language to do 
PDF graphics, Tioga(*) uses Ruby, a full featrured and very nice 
language. I even see more presence in the future of Ruby in ConTeXt. Isn'it?

jk

(*) Tioga has been written by Bill Paxton, a computer scientist.

--
Jilani KHALDI
http://jkhaldi.oltrelinux.com

Re: ConTeXt +Tioga

[Sanjoy Mahajan]

I just had a look at the Tioga page and the figures are excellent.
Though it looks even more wedded to LaTeX than asymptote is?

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
         --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.

Re: ConTeXt + asymptote

[Mojca Miklavec]

On 4/21/06, Sanjoy Mahajan wrote:
> I started rewriting the asymptote code to use plain TeX -- I had never
> used ConTeXt back then, so didn't even try to make that work.  But
> maybe the TeX changes will help those more expert in ConTeXt to make
> them.  I'll dig out my half-finished changes for public onsumption.
>
> The asymptote authors said that they welcome asymptote working with
> other tex formats (someone else had asked about ConTeXt),

Probably me ;) But I've given up once I saw how harcoded LaTeX was in
there. Metapost support in ConTeXt is much deeper and I wonder how
much work should be invested into making as good support for Asymptote
in ConTeXt as it is now for metapost.

For me Asymptote to Metapost is like XeTeX to TeX: I think that the
first one is better, but I "can't" use it. (3D, animation & big
numbers support would be more than urgent for metapost, but it's so
complex to modify the code that I can understand why it's easier to
write a new engine like Asymptote than extending the old metapost.)

There's a very similar situation with hardcoded LaTeX in PyX,
Wiki2PDF, ... Well, people who write those don't write it with
anything else but LaTeX in mind which is a pitty.

> and prefer,
> rather than their having to modify it themselves, that users of those
> formats submit the changes (they use LaTeX themselves).

And thanks to Jilani for pointing out the existence of Tioga.

Mojca

Re: ConTeXt +Tioga

[Hans Hagen]

Jilani Khaldi wrote:
>> interesting (i assume that it produced pdf) 
>>  
>>
>>     
> Yes with the difference that while Metapost, Asympthote and GLE 
> (http://glx.sourceforge.net/)  use their own proprietary language to do 
> PDF graphics, Tioga(*) uses Ruby, a full featrured and very nice 
> language. I even see more presence in the future of Ruby in ConTeXt. Isn'it?
>   
well, if we can have \ruby {...} as we will have \lua {...} 

Hans 


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                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Hans Hagen]

there's also:

ftp://tug.ctan.org/pub/tex-archive/graphics/pgf

(although for context i'd rewrite the backend drivers a bit in order to 
be more integrated)

Hans


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                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[andrea valle]

I discovered conTeXt+metapost because I was not satisfied with the 
limited capabilties of pgf for my graph music project.
I have to say that I was forcing pgf beyond its scope, but in any case 
it is not intended as a complex, global plotting system, as far as I 
understand.

Best

-a-


On 22 Apr 2006, at 10:38, Hans Hagen wrote:

> ftp://tug.ctan.org/pub/tex-archive/graphics/pgf
Andrea Valle
DAMS - Facoltà di Scienze della Formazione
Università degli Studi di Torino
http://www.semiotiche.it/andrea
andrea.valle@unito.it

Re: ConTeXt +Tioga

[Taco Hoekwater]

Hans Hagen wrote:
> Jilani Khaldi wrote:
> 
>>>interesting (i assume that it produced pdf) 
>>> 
>>
>>Yes with the difference that while Metapost, Asympthote and GLE 
>>(http://glx.sourceforge.net/)  use their own proprietary language to do 
>>PDF graphics, Tioga(*) uses Ruby, a full featrured and very nice 
>>language. I even see more presence in the future of Ruby in ConTeXt. Isn'it?
>>  
> well, if we can have \ruby {...} as we will have \lua {...} 

It is just my 2c, but I really dislike the Tioga approach. It feels
like typesetting a book in TeX by writing a single-shot pascal
program. ;-)

Specifically, I find code like this (Tioga):

   move_to_point(x0, y0)
   append_curve_to_path(x1, y1, x2, y2, x3, y3)

far uglier than this (Asymptote/MetaPost):

   z0.. controls z1 and z2 .. z3

Taco

Re: ConTeXt +Tioga

[Jilani Khaldi]

>It is just my 2c, but I really dislike the Tioga approach. It feels
>like typesetting a book in TeX by writing a single-shot pascal
>program. ;-)
>
>Specifically, I find code like this (Tioga):
>
>   move_to_point(x0, y0)
>   append_curve_to_path(x1, y1, x2, y2, x3, y3)
>
>far uglier than this (Asymptote/MetaPost):
>
>   z0.. controls z1 and z2 .. z3
>
>  
>
Very true, but you forgot that in Tioga everything is done inside Ruby 
interpreter. Tioga is a Ruby extension so you could use the power of 
Ruby, its standard library and all the other extensions made for it 
inside Tioga.
However, I don't like Asymptote, just seeing things like this:
----------------------
struct parent {
real x=1;
public void virtual(int) {write (0);}
void f() {virtual(1);}
}
parent operator init() {return new parent;}
void write(parent p) {write(p.x);}
struct child {
parent parent;
real y=2;
void virtual(int x) {write (x);}
parent.virtual=virtual;
void f()=parent.f;
}
parent operator cast(child child) {return child.parent;}
child operator init() {return new child;}
parent p;
child c;
write(c); // Outputs 1;
p.f(); // Outputs 0;
c.f(); // Outputs 1;
write(c.parent.x); // Outputs 1;
write(c.y);
---------------
But, do we really need a baroque language like this to just draw some 
primitive graphics?

jk

--
Jilani KHALDI
http://jkhaldi.oltrelinux.com

Re: ConTeXt +Tioga

[andrea valle]

As far as we are discussing about graphics, actually my favorite and 
quick (and powreful) solution to produce pdf graphics not TeX-related 
is to use the graphic facilities of R, generating automatically scripts 
with code
(http://www.r-project.org/).

Best

-a-



On 22 Apr 2006, at 14:12, Jilani Khaldi wrote:

>
>> It is just my 2c, but I really dislike the Tioga approach. It feels
>> like typesetting a book in TeX by writing a single-shot pascal
>> program. ;-)
>>
>> Specifically, I find code like this (Tioga):
>>
>>   move_to_point(x0, y0)
>>   append_curve_to_path(x1, y1, x2, y2, x3, y3)
>>
>> far uglier than this (Asymptote/MetaPost):
>>
>>   z0.. controls z1 and z2 .. z3
>>
>>
>>
> Very true, but you forgot that in Tioga everything is done inside Ruby
> interpreter. Tioga is a Ruby extension so you could use the power of
> Ruby, its standard library and all the other extensions made for it
> inside Tioga.
> However, I don't like Asymptote, just seeing things like this:
> ----------------------
> struct parent {
> real x=1;
> public void virtual(int) {write (0);}
> void f() {virtual(1);}
> }
> parent operator init() {return new parent;}
> void write(parent p) {write(p.x);}
> struct child {
> parent parent;
> real y=2;
> void virtual(int x) {write (x);}
> parent.virtual=virtual;
> void f()=parent.f;
> }
> parent operator cast(child child) {return child.parent;}
> child operator init() {return new child;}
> parent p;
> child c;
> write(c); // Outputs 1;
> p.f(); // Outputs 0;
> c.f(); // Outputs 1;
> write(c.parent.x); // Outputs 1;
> write(c.y);
> ---------------
> But, do we really need a baroque language like this to just draw some
> primitive graphics?
>
> jk
>
> --
> Jilani KHALDI
> http://jkhaldi.oltrelinux.com
>
> _______________________________________________
> ntg-context mailing list
> ntg-context@ntg.nl
> http://www.ntg.nl/mailman/listinfo/ntg-context
>
>
Andrea Valle
DAMS - Facoltà di Scienze della Formazione
Università degli Studi di Torino
http://www.semiotiche.it/andrea
andrea.valle@unito.it

Re: ConTeXt + asymptote

[Renaud AUBIN]

[-- Attachment #1.1: Type: text/plain, Size: 1314 bytes --]

asy -inlinetex results in:
- an eps graphics
- latex code to use (I've not checked but seems) with asymptote.sty

So, we can maybe imagine an -inlinecontext option to add asymptote
support in context (???)

Hans Hagen a écrit :

>Renaud AUBIN wrote:
>  
>
>>Ok, but how to deal with asymptote like with metapost.
>>For example, if I produce a pdf with asymptote (with embed fonts) and use this pdf into my ConTeXt document with the same fonts... Is the fonts included twice ? I assume that this is the case...
>>Maybe it could be interesting to "integrate" asymptote.
>>
>>I don't know how hard it is at all... It's only an idea...
>>  
>>    
>>
>it depends, if asymptote outputs a parsable format ...
>
>Hans 
>
>
>-----------------------------------------------------------------
>                                          Hans Hagen | PRAGMA ADE
>              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
>                                             | www.pragma-pod.nl
>-----------------------------------------------------------------
>
>_______________________________________________
>ntg-context mailing list
>ntg-context@ntg.nl
>http://www.ntg.nl/mailman/listinfo/ntg-context
>
>
>  
>


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Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> asy -inlinetex results in:
> - an eps graphics
> - latex code to use (I've not checked but seems) with asymptote.sty
>
> So, we can maybe imagine an -inlinecontext option to add asymptote 
> support in context (???)
no, what is needed is an isolation of the tex part, so that the macro package has/can to implement certain 'features'; otherwise it's unmaintainable 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------

Re: ConTeXt + asymptote

[Renaud AUBIN]

[-- Attachment #1.1: Type: text/plain, Size: 379 bytes --]

Hans Hagen a écrit :

>no, what is needed is an isolation of the tex part, so that the macro package has/can to implement certain 'features'; otherwise it's unmaintainable 
>
>Hans 
>  
>
euh... The isolation of the tex part is performed for LaTeX with
inlinetex option... (an eps file without any text + a tex file)
Isn't this kind of isolation sufficient ?

Renaud

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Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> Hans Hagen a écrit :
>> no, what is needed is an isolation of the tex part, so that the macro package has/can to implement certain 'features'; otherwise it's unmaintainable 
>>
>> Hans 
>>   
> euh... The isolation of the tex part is performed for LaTeX with 
> inlinetex option... (an eps file without any text + a tex file)
> Isn't this kind of isolation sufficient ?
i meant the 'hard coded parts' but then, i must admit that i never saw any real asymptote code -) 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
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Re: ConTeXt + asymptote

[Renaud AUBIN]

[-- Attachment #1.1: Type: text/plain, Size: 638 bytes --]

Hans Hagen a écrit :

>i meant the 'hard coded parts' but then, i must admit that i never saw any real asymptote code -) 
>
>Hans 
>  
>
Since asymptote uses gs to generate eps or pdf output, I wander if the
generated code can be used by ConTeXt...
To integrate asymptote to ConTeXt, what is needed (from the ConTeXt pov
I mean) ? I ask that because I don't know ConTeXt internals well...
What's the integration scheme for a MPgraphic for example ? (I know that
ConTeXt finally use a .mp and a .mpx)
I assume after reading a .log that a ps file is needed... but it seems
that a "font name mngt" is needed too...

Renaud

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Re: ConTeXt + asymptote

[Sanjoy Mahajan]

> To integrate asymptote to ConTeXt, what is needed (from the ConTeXt
> pov I mean) ?

I'm curious about that too.  I'm just going through my asymptote diffs
(against v0.99) for it to work with plain TeX, and I'm not sure any of
my changes will make it easier to integrate with ConTeXt the way MP is
integrated.  It's depressing how wedded asymptote is to LaTeX, and
maybe it's impossible to get it all out (e.g. it uses \minipage and
\fontsize).

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
         --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.

Re: ConTeXt + asymptote

[Hans Hagen]

Renaud AUBIN wrote:
> Hans Hagen a écrit :
>> i meant the 'hard coded parts' but then, i must admit that i never saw any real asymptote code -) 
>>
>> Hans 
>>   
> Since asymptote uses gs to generate eps or pdf output, I wander if the 
> generated code can be used by ConTeXt...
> To integrate asymptote to ConTeXt, what is needed (from the ConTeXt 
> pov I mean) ? I ask that because I don't know ConTeXt internals well...
> What's the integration scheme for a MPgraphic for example ? (I know 
> that ConTeXt finally use a .mp and a .mpx)
> I assume after reading a .log that a ps file is needed... but it seems 
> that a "font name mngt" is needed too...
context parses the ps code and converts it to pdf and in the process uses tex to do the fonts 

Hans 

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
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Re: ConTeXt + asymptote

[Sanjoy Mahajan]

> context parses the ps code and converts it to pdf and in the process
> uses tex to do the fonts

Maybe then it's not worth finishing my modifications for asymptote to
use plain tex.  The following .asy file (labelbox.asy in the distributed
examples/):

  real margin=2mm;
  frame b1,b2;
  box(b1,Label("small box",(0,0)),margin);
  box(b2,Label("LARGER BOX",(0,-2cm)),margin);
  add(b1);
  add(b2);
  draw(point(b1,S)--point(b2,N),currentpen);

produces an 810-line .eps file that includes fonts (cmr12) and the
pstricks headers.  The actual page material is:

  %%Page: 1 1
   0 0.5 dtransform truncate idtransform setlinewidth pop
  1 setlinecap
  1 setlinejoin
  gsave
   0 0 translate
  newpath 273.998159 412.742829 moveto
   338.001841 412.742829 lineto
   338.001841 435.883567 lineto
   273.998159 435.883567 lineto
   273.998159 412.742829 lineto
   closepath
  [ 1 0 0 1 0 0] concat
   stroke
  grestore
  gsave
   0 0 translate
  newpath 258.635763 356.116433 moveto
   353.364237 356.116433 lineto
   353.364237 379.124359 lineto
   258.635763 379.124359 lineto
   258.635763 356.116433 lineto
   closepath
  [ 1 0 0 1 0 0] concat
   stroke
  grestore
  newpath 306 412.242829 moveto
   306 379.624359 lineto
   stroke
  showpage

But I've attached the half-working diff (some would say the glass is
half-broken), against asymptote 0.99.  The result is supposed to work as
follows:

  asy labelbox.asy  [make eps file; use latex for labels]
  asy -t latex labelbox.asy [same as above]
  asy -t tex labelbox.asy [make eps, use plain tex for labels]

My patches don't break the first or second uses, which is good, but the
third isn't working yet:

  $ asy -t tex labelbox.asy
  /usr/local/share/asymptote/shipout.asy: 73.10: runtime: camp: shipout failed

which is failing, I think, in this line from the intermediate
labelbox_.tex file:

  \setbox\ASYpsbox=\hbox{\epsfbox{labelbox_0.eps}}%

But I haven't figured out who generates labelbox_0.eps and why it isn't
being generated when using tex but is when using latex.  Obviously I
haven't found all the places where latex is hardwired into asymptote.

And even what I did is incomplete.  The latex interface code spits out
e.g. \fontsize{12}{14.4}, which I just ignore if plain tex is being
used.

Compared to the monster .eps files that asymptote produces, I now love
metapost's simple postscript files and one-line, easily parsed font
commands.

From: "Mojca Miklavec" <mojca.miklavec.lists@gmail.com>
> But I've given up once I saw how harcoded LaTeX was in there.

I've pretty much given up too.

> Metapost support in ConTeXt is much deeper and I wonder how much work
> should be invested into making as good support for Asymptote in
> ConTeXt as it is now for metapost.

Whoever is game can start with the diff below, but I'm also not sure
it's worth it.  My ideal figure program:

1. Agnostic about the tex engine (tex/latex/context), easy to integrate
   with any of them.  MP is good here.
2. 3D built in.
3. Modern color models (cmyk, transparency)
4. Decent syntax.  MP is a bit ghastly, and writing macros is horrible
   esp. with vardefs.  I prefer a non-macro language, and asymptote is
   good that way

But it's a lot of work to get it right.

-Sanjoy

`A society of sheep must in time beget a government of wolves.'
   - Bertrand de Jouvenal


diff -r 57c230047c98 base/babel.asy
--- a/base/babel.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/babel.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -1,4 +1,6 @@ void babel(string s)
 void babel(string s) 
 {
+  if (texengine == "tex")
+    abort("No babel package in plain TeX.");
   texpreamble("\usepackage["+s+"]{babel}");
 }
diff -r 57c230047c98 base/fontsize.asy
--- a/base/fontsize.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/fontsize.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -1,1 +1,3 @@ texpreamble("\usepackage{type1cm}");
+if (texengine == "tex")
+  abort("No fontsize package in plain TeX.");
 texpreamble("\usepackage{type1cm}");
diff -r 57c230047c98 base/latin1.asy
--- a/base/latin1.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/latin1.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -1,2 +1,4 @@ texpreamble("\usepackage[T1]{fontenc}");
+if (texengine == "tex")
+  abort("No T1 or latin1 packages in plain TeX.");
 texpreamble("\usepackage[T1]{fontenc}");
 texpreamble("\usepackage[latin1]{inputenc}");
diff -r 57c230047c98 base/plain.asy
--- a/base/plain.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/plain.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -7,6 +7,9 @@
  *****/
 
 include constants;
+
+// tex, latex, or none (for the future: or pdftex, pdflatex, context)
+public string texengine = TEXENGINE(); // what variant will typeset the labels
 
 access version;		    
 if(version.VERSION != VERSION()) {
diff -r 57c230047c98 base/strings.asy
--- a/base/strings.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/strings.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -81,12 +81,16 @@ string math(string s)
 
 string includegraphics(string name, string options="")
 {
+  if (texengine == "tex")
+    return "\hbox{\epsfbox"+"{"+name+"}}";
   if(options != "") options="["+options+"]";
   return "\includegraphics"+options+"{"+name+"}";
 }
 
 string minipage(string s, real width=100pt)
 {
+  if (texengine == "tex")
+    abort("No minipage environment in plain TeX.");
   return "\begin{minipage}{"+(string) (width*pt)+"pt}"+s+"\end{minipage}";
 }
 
diff -r 57c230047c98 base/unicode.asy
--- a/base/unicode.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/base/unicode.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -1,2 +1,4 @@ texpreamble("\usepackage{ucs}");
+if (texengine == "tex")
+  abort("No unicode (ucs,utf8x) packages in plain TeX.");
 texpreamble("\usepackage{ucs}");
 texpreamble("\usepackage[utf8x]{inputenc}");
diff -r 57c230047c98 doc/asy.1
--- a/doc/asy.1	Tue Feb 07 23:34:29 2006 -0500
+++ b/doc/asy.1	Tue Apr 25 00:28:42 2006 -0400
@@ -35,7 +35,7 @@ View output file.
 View output file.
 .TP
 .B -a, -align C|B|T|Z
-Center, Bottom, Top or Zero page alignment; Z => -notex.
+Center, Bottom, Top or Zero page alignment; Z => -tex none.
 .TP
 .B -autoplain
 Enable automatic importing of plain (default).
@@ -106,8 +106,8 @@ Convert cmyk colors to rgb.
 .B -safe
 Disable system call (default).
 .TP
-.B -tex
-Enable LaTeX label postprocessing (default).
+.B -t, -tex engine
+TeX engine for processing labels: one of latex (default), tex, none.
 .TP
 .B -s, -translate
 Translate test.
diff -r 57c230047c98 doc/asymptote.texi
--- a/doc/asymptote.texi	Tue Feb 07 23:34:29 2006 -0500
+++ b/doc/asymptote.texi	Tue Apr 25 00:28:42 2006 -0400
@@ -5286,7 +5286,7 @@ Usage: asy [options] [file ...]
 
 Options: 
 -V,-View              View output files
--a,-align C|B|T|Z     Center, Bottom, Top or Zero page alignment; Z => -notex
+-a,-align C|B|T|Z     Center, Bottom, Top or Zero page alignment; Z => -tex none
 -autoplain            Enable automatic importing of plain (default)
 -batchMask            Mask fpu exceptions in batch mode
 -batchView            View output files in batch mode
@@ -5310,7 +5310,7 @@ Options:
 -p,-parseonly         Parse test
 -rgb                  Convert cmyk colors to rgb
 -safe                 Disable system call (default)
--tex                  Enable LaTeX label postprocessing (default)
+-t, -tex engine       TeX engine for processing labels (default: latex).
 -s,-translate         Translate test
 -unsafe               Enable system call
 -v,-verbose           Increase verbosity level
diff -r 57c230047c98 drawlabel.cc
--- a/drawlabel.cc	Tue Feb 07 23:34:29 2006 -0500
+++ b/drawlabel.cc	Tue Apr 25 00:28:42 2006 -0400
@@ -70,7 +70,8 @@ void drawLabel::bounds(bbox& b, iopipest
 void drawLabel::bounds(bbox& b, iopipestream& tex, boxvector& labelbounds,
 		       bboxlist&)
 {
-  if(!settings::getSetting<bool>("tex")) {b += position; return;}
+  if(settings::getSetting<mem::string>("tex") == "none")
+    {b += position; return;}
   pair rotation=expi(radians(angle));
   pen Pentype=pentype;
   static const double fuzz=1.0+Pentype.size()/24.0;
@@ -79,9 +80,12 @@ void drawLabel::bounds(bbox& b, iopipest
     havebounds=true;
     if(Pentype.size() != lastpen.size() ||
        Pentype.Lineskip() != lastpen.Lineskip()) {
-      tex <<  "\\fontsize{" << Pentype.size() << "}{" << Pentype.Lineskip()
-	  << "}\\selectfont\n";
-      tex.wait("\n*","! ");
+      // need to fix if not using latex (change fontsize and baselineskip)
+      if(settings::getSetting<mem::string>("tex") == "latex") {
+	tex <<  "\\fontsize{" << Pentype.size() << "}{" << Pentype.Lineskip()
+	    << "}\\selectfont\n";
+	tex.wait("\n*","! ");
+      }
     }
     
     string font=Pentype.Font();
@@ -93,8 +97,10 @@ void drawLabel::bounds(bbox& b, iopipest
 	p += scaled.length();
 	fontscale=atof(font.substr(p,string::npos).c_str())/1000.0;
       }
-      tex <<  font << "\n";
-      tex.wait("\n*","! ");
+      if(settings::getSetting<mem::string>("tex") == "latex") {
+	tex <<  font << "\n";	// need to change fonts differently in tex
+	tex.wait("\n*","! ");
+      }
     }
     
     lastpen=Pentype;
diff -r 57c230047c98 examples/conicurv.asy
--- a/examples/conicurv.asy	Tue Feb 07 23:34:29 2006 -0500
+++ b/examples/conicurv.asy	Tue Apr 25 00:28:42 2006 -0400
@@ -4,7 +4,8 @@
 
 import three;
 import math;
-texpreamble("\usepackage{bm}");
+if (texengine != "tex")
+  texpreamble("\usepackage{bm}");
 
 size(300,0);
 
diff -r 57c230047c98 picture.cc
--- a/picture.cc	Tue Feb 07 23:34:29 2006 -0500
+++ b/picture.cc	Tue Apr 25 00:28:42 2006 -0400
@@ -83,7 +83,7 @@ bool picture::havelabels()
 bool picture::havelabels()
 {
   size_t n=nodes.size();
-  if(n > lastnumber && !labels && getSetting<bool>("tex")) {
+  if(n > lastnumber && !labels && getSetting<mem::string>("tex") != "none") {
     // Check to see if there are any labels yet
     nodelist::iterator p=nodes.begin();
     for(size_t i=0; i < lastnumber; ++i) ++p;
@@ -131,7 +131,9 @@ void picture::texinit()
     return;
   }
   
-  tex.open(getSetting<mem::string>("latex").c_str(),"latex","latex");
+  tex.open(getSetting<mem::string>("tex").c_str(),
+	   getSetting<mem::string>("tex").c_str(),
+	   getSetting<mem::string>("tex").c_str());
   texdocumentclass(tex,true);
   
   texdefines(tex,TeXpipepreamble,true);
@@ -152,12 +154,12 @@ bool picture::texprocess(const string& t
   if(outfile) {
     outfile.close();
     ostringstream cmd;
-    cmd << getSetting<mem::string>("latex") 
+    cmd << getSetting<mem::string>("tex") 
 	<< " \\scrollmode\\input " << texname;
     bool quiet=verbose <= 1;
-    status=System(cmd,quiet,true,"latex");
+    status=System(cmd,quiet,true,getSetting<mem::string>("tex").c_str());
     if(status) {
-      if(quiet) status=System(cmd,true,"latex");
+      if(quiet) status=System(cmd,true,getSetting<mem::string>("tex").c_str());
       return false;
     }
     
@@ -360,7 +362,8 @@ bool picture::shipout(picture *preamble,
       
   bbox bpos=b;
   
-  bool TeXmode=getSetting<bool>("inlinetex") && getSetting<bool>("tex");
+  bool TeXmode=getSetting<bool>("inlinetex") &&
+               (getSetting<mem::string>("tex") == "latex");
   bool Labels=labels || TeXmode;
   
   if(deconstruct) {
diff -r 57c230047c98 runtime.cc
--- a/runtime.cc	Tue Feb 07 23:34:29 2006 -0500
+++ b/runtime.cc	Tue Apr 25 00:28:42 2006 -0400
@@ -2599,8 +2599,16 @@ void gen226(stack *Stack)
   {Stack->push<string>(VERSION); return;}
 }
 
+// for exporting to the .asy world how labels are to be processed
+// string TEXENGINE();
+void gen227(stack *Stack)
+{
+
+  {Stack->push<string>(getSetting<mem::string>("tex")); return;}
+}
+
 // void quiet(bool v);
-void gen227(stack *Stack)
+void gen228(stack *Stack)
 {
   bool v = vm::pop<bool>(Stack);
 
@@ -2610,7 +2618,7 @@ void gen227(stack *Stack)
 }
 
 // void atexit(callable *f);
-void gen228(stack *Stack)
+void gen229(stack *Stack)
 {
   callable * f = vm::pop<callable *>(Stack);
 
@@ -2618,7 +2626,7 @@ void gen228(stack *Stack)
 }
 
 // callable* atexit();
-void gen229(stack *Stack)
+void gen230(stack *Stack)
 {
 
   {Stack->push<callable*>(atExitFunction); return;}
@@ -2627,7 +2635,7 @@ void gen229(stack *Stack)
 
 // Merge output files  
 // int merge(stringarray *files, string *args, string *format, bool keep);
-void gen230(stack *Stack)
+void gen231(stack *Stack)
 {
   bool keep = vm::pop<bool>(Stack);
   string * format = vm::pop<string *>(Stack);
@@ -2922,7 +2930,7 @@ void arraySequence(stack *Stack)
 
 // Return the array {0,1,...n-1}
 // intarray* sequence(int n);
-void gen251(stack *Stack)
+void gen252(stack *Stack)
 {
   int n = vm::pop<int>(Stack);
 
@@ -2951,7 +2959,7 @@ void arrayFunction(stack *Stack)
 }
 
 // bool all(boolarray *a);
-void gen253(stack *Stack)
+void gen254(stack *Stack)
 {
   boolarray * a = vm::pop<boolarray *>(Stack);
 
@@ -2963,7 +2971,7 @@ void gen253(stack *Stack)
 }
 
 // boolarray* !(boolarray* a);
-void gen254(stack *Stack)
+void gen255(stack *Stack)
 {
   boolarray* a = vm::pop<boolarray*>(Stack);
 
@@ -2975,7 +2983,7 @@ void gen254(stack *Stack)
 }
 
 // int sum(boolarray *a);
-void gen255(stack *Stack)
+void gen256(stack *Stack)
 {
   boolarray * a = vm::pop<boolarray *>(Stack);
 
@@ -3044,7 +3052,7 @@ void array2Transpose(stack *Stack)
 // In a boolean array, find the index of the nth true value or -1 if not found
 // If n is negative, search backwards.
 // int find(boolarray *a, int n=1);
-void gen260(stack *Stack)
+void gen261(stack *Stack)
 {
   int n = vm::pop<int>(Stack,1);
   boolarray * a = vm::pop<boolarray *>(Stack);
@@ -3103,7 +3111,7 @@ void arrayConditional(stack *Stack)
 // [                ...         ]
 // [       c[n-1] a[n-1] b[n-1] ]
 // realarray* tridiagonal(realarray *a, realarray *b, realarray *c, realarray *f);
-void gen262(stack *Stack)
+void gen263(stack *Stack)
 {
   realarray * f = vm::pop<realarray *>(Stack);
   realarray * c = vm::pop<realarray *>(Stack);
@@ -3232,7 +3240,7 @@ void pairArrayFFT(stack *Stack)
 
 // File operations
 // bool ==(file *a, file *b);
-void gen264(stack *Stack)
+void gen265(stack *Stack)
 {
   file * b = vm::pop<file *>(Stack);
   file * a = vm::pop<file *>(Stack);
@@ -3241,7 +3249,7 @@ void gen264(stack *Stack)
 }
 
 // bool !=(file *a, file *b);
-void gen265(stack *Stack)
+void gen266(stack *Stack)
 {
   file * b = vm::pop<file *>(Stack);
   file * a = vm::pop<file *>(Stack);
@@ -3262,7 +3270,7 @@ void nullFile(stack *Stack)
 }
 
 // file* input(string name, bool check=true, string comment=commentchar);
-void gen268(stack *Stack)
+void gen269(stack *Stack)
 {
   string comment = vm::pop<string>(Stack,commentchar);
   bool check = vm::pop<bool>(Stack,true);
@@ -3275,7 +3283,7 @@ void gen268(stack *Stack)
 }
 
 // file* output(string name, bool append=false);
-void gen269(stack *Stack)
+void gen270(stack *Stack)
 {
   bool append = vm::pop<bool>(Stack,false);
   string name = vm::pop<string>(Stack);
@@ -3286,7 +3294,7 @@ void gen269(stack *Stack)
 }
 
 // file* xinput(string name, bool check=true);
-void gen270(stack *Stack)
+void gen271(stack *Stack)
 {
   bool check = vm::pop<bool>(Stack,true);
   string name = vm::pop<string>(Stack);
@@ -3300,7 +3308,7 @@ void gen270(stack *Stack)
 }
 
 // file* xoutput(string name, bool append=false);
-void gen271(stack *Stack)
+void gen272(stack *Stack)
 {
   bool append = vm::pop<bool>(Stack,false);
   string name = vm::pop<string>(Stack);
@@ -3314,7 +3322,7 @@ void gen271(stack *Stack)
 }
 
 // bool eof(file *File);
-void gen272(stack *Stack)
+void gen273(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3322,7 +3330,7 @@ void gen272(stack *Stack)
 }
 
 // bool eol(file *File);
-void gen273(stack *Stack)
+void gen274(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3330,7 +3338,7 @@ void gen273(stack *Stack)
 }
 
 // bool error(file *File);
-void gen274(stack *Stack)
+void gen275(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3338,7 +3346,7 @@ void gen274(stack *Stack)
 }
 
 // void clear(file *File);
-void gen275(stack *Stack)
+void gen276(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3346,7 +3354,7 @@ void gen275(stack *Stack)
 }
 
 // void close(file *File);
-void gen276(stack *Stack)
+void gen277(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3354,7 +3362,7 @@ void gen276(stack *Stack)
 }
 
 // void precision(file *File, int digits);
-void gen277(stack *Stack)
+void gen278(stack *Stack)
 {
   int digits = vm::pop<int>(Stack);
   file * File = vm::pop<file *>(Stack);
@@ -3363,7 +3371,7 @@ void gen277(stack *Stack)
 }
 
 // void flush(file *File);
-void gen278(stack *Stack)
+void gen279(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3371,7 +3379,7 @@ void gen278(stack *Stack)
 }
 
 // string getc(file *File);
-void gen279(stack *Stack)
+void gen280(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3384,7 +3392,7 @@ void gen279(stack *Stack)
 
 // Set file dimensions
 // file* dimension(file *File, int nx);
-void gen280(stack *Stack)
+void gen281(stack *Stack)
 {
   int nx = vm::pop<int>(Stack);
   file * File = vm::pop<file *>(Stack);
@@ -3394,7 +3402,7 @@ void gen280(stack *Stack)
 }
 
 // file* dimension(file *File, int nx, int ny);
-void gen281(stack *Stack)
+void gen282(stack *Stack)
 {
   int ny = vm::pop<int>(Stack);
   int nx = vm::pop<int>(Stack);
@@ -3405,7 +3413,7 @@ void gen281(stack *Stack)
 }
 
 // file* dimension(file *File, int nx, int ny, int nz);
-void gen282(stack *Stack)
+void gen283(stack *Stack)
 {
   int nz = vm::pop<int>(Stack);
   int ny = vm::pop<int>(Stack);
@@ -3418,7 +3426,7 @@ void gen282(stack *Stack)
 
 // Set file to read comma-separated values
 // file* csv(file *File, bool b=true);
-void gen283(stack *Stack)
+void gen284(stack *Stack)
 {
   bool b = vm::pop<bool>(Stack,true);
   file * File = vm::pop<file *>(Stack);
@@ -3429,7 +3437,7 @@ void gen283(stack *Stack)
 
 // Set file to read arrays in line-at-a-time mode
 // file* line(file *File, bool b=true);
-void gen284(stack *Stack)
+void gen285(stack *Stack)
 {
   bool b = vm::pop<bool>(Stack,true);
   file * File = vm::pop<file *>(Stack);
@@ -3440,7 +3448,7 @@ void gen284(stack *Stack)
 
 // Set file to read/write single-precision XDR values.
 // file* single(file *File, bool b=true);
-void gen285(stack *Stack)
+void gen286(stack *Stack)
 {
   bool b = vm::pop<bool>(Stack,true);
   file * File = vm::pop<file *>(Stack);
@@ -3451,7 +3459,7 @@ void gen285(stack *Stack)
 
 // Set file to read an array1 (1 int size followed by a 1d array)
 // file* read1(file *File);
-void gen286(stack *Stack)
+void gen287(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3461,7 +3469,7 @@ void gen286(stack *Stack)
 
 // Set file to read an array2 (2 int sizes followed by a 2d array)
 // file* read2(file *File);
-void gen287(stack *Stack)
+void gen288(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3471,7 +3479,7 @@ void gen287(stack *Stack)
 
 // Set file to read an array3 (3 int sizes followed by a 3d array)
 // file* read3(file *File);
-void gen288(stack *Stack)
+void gen289(stack *Stack)
 {
   file * File = vm::pop<file *>(Stack);
 
@@ -3672,39 +3680,40 @@ void gen_base_venv(venv &ve)
   addFunc(ve, run::gen224, primReal(), "cubiclength", formal(primTriple(), "z0", false, false), formal(primTriple(), "z0p", false, false), formal(primTriple(), "z1m", false, false), formal(primTriple(), "z1", false, false), formal(primReal(), "goal", false, false));
   addFunc(ve, run::gen225, primPair(), "intersect", formal(tripleArray(), "pre1", false, false), formal(tripleArray(), "point1", false, false), formal(tripleArray(), "post1", false, false), formal(tripleArray(), "pre2", false, false), formal(tripleArray(), "point2", false, false), formal(tripleArray(), "post2", false, false), formal(primReal(), "fuzz", false, false));
   addFunc(ve, run::gen226, primString() , "VERSION");
-  addFunc(ve, run::gen227, primVoid(), "quiet", formal(primBoolean(), "v", false, false));
-  addFunc(ve, run::gen228, primVoid(), "atexit", formal(voidFunction(), "f", false, false));
-  addFunc(ve, run::gen229, voidFunction(), "atexit");
-  addFunc(ve, run::gen230, primInt(), "merge", formal(stringArray(), "files", false, false), formal(primString(), "args", false, false), formal(primString(), "format", false, false), formal(primBoolean(), "keep", false, false));
-  addFunc(ve, run::gen251, intArray(), "sequence", formal(primInt(), "n", false, false));
-  addFunc(ve, run::gen253, primBoolean(), "all", formal(boolArray(), "a", false, false));
-  addFunc(ve, run::gen254, boolArray(), "!", formal(boolArray(), "a", false, false));
-  addFunc(ve, run::gen255, primInt(), "sum", formal(boolArray(), "a", false, false));
-  addFunc(ve, run::gen260, primInt(), "find", formal(boolArray(), "a", false, false), formal(primInt(), "n", true, false));
-  addFunc(ve, run::gen262, realArray(), "tridiagonal", formal(realArray(), "a", false, false), formal(realArray(), "b", false, false), formal(realArray(), "c", false, false), formal(realArray(), "f", false, false));
-  addFunc(ve, run::gen264, primBoolean(), "==", formal(primFile(), "a", false, false), formal(primFile(), "b", false, false));
-  addFunc(ve, run::gen265, primBoolean(), "!=", formal(primFile(), "a", false, false), formal(primFile(), "b", false, false));
-  addFunc(ve, run::gen268, primFile(), "input", formal(primString() , "name", false, false), formal(primBoolean(), "check", true, false), formal(primString() , "comment", true, false));
-  addFunc(ve, run::gen269, primFile(), "output", formal(primString() , "name", false, false), formal(primBoolean(), "append", true, false));
-  addFunc(ve, run::gen270, primFile(), "xinput", formal(primString() , "name", false, false), formal(primBoolean(), "check", true, false));
-  addFunc(ve, run::gen271, primFile(), "xoutput", formal(primString() , "name", false, false), formal(primBoolean(), "append", true, false));
-  addFunc(ve, run::gen272, primBoolean(), "eof", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen273, primBoolean(), "eol", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen274, primBoolean(), "error", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen275, primVoid(), "clear", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen276, primVoid(), "close", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen277, primVoid(), "precision", formal(primFile(), "file", false, false), formal(primInt(), "digits", false, false));
-  addFunc(ve, run::gen278, primVoid(), "flush", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen279, primString() , "getc", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen280, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false));
-  addFunc(ve, run::gen281, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false), formal(primInt(), "ny", false, false));
-  addFunc(ve, run::gen282, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false), formal(primInt(), "ny", false, false), formal(primInt(), "nz", false, false));
-  addFunc(ve, run::gen283, primFile(), "csv", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
-  addFunc(ve, run::gen284, primFile(), "line", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
-  addFunc(ve, run::gen285, primFile(), "single", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
-  addFunc(ve, run::gen286, primFile(), "read1", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen287, primFile(), "read2", formal(primFile(), "file", false, false));
-  addFunc(ve, run::gen288, primFile(), "read3", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen227, primString() , "TEXENGINE");
+  addFunc(ve, run::gen228, primVoid(), "quiet", formal(primBoolean(), "v", false, false));
+  addFunc(ve, run::gen229, primVoid(), "atexit", formal(voidFunction(), "f", false, false));
+  addFunc(ve, run::gen230, voidFunction(), "atexit");
+  addFunc(ve, run::gen231, primInt(), "merge", formal(stringArray(), "files", false, false), formal(primString(), "args", false, false), formal(primString(), "format", false, false), formal(primBoolean(), "keep", false, false));
+  addFunc(ve, run::gen252, intArray(), "sequence", formal(primInt(), "n", false, false));
+  addFunc(ve, run::gen254, primBoolean(), "all", formal(boolArray(), "a", false, false));
+  addFunc(ve, run::gen255, boolArray(), "!", formal(boolArray(), "a", false, false));
+  addFunc(ve, run::gen256, primInt(), "sum", formal(boolArray(), "a", false, false));
+  addFunc(ve, run::gen261, primInt(), "find", formal(boolArray(), "a", false, false), formal(primInt(), "n", true, false));
+  addFunc(ve, run::gen263, realArray(), "tridiagonal", formal(realArray(), "a", false, false), formal(realArray(), "b", false, false), formal(realArray(), "c", false, false), formal(realArray(), "f", false, false));
+  addFunc(ve, run::gen265, primBoolean(), "==", formal(primFile(), "a", false, false), formal(primFile(), "b", false, false));
+  addFunc(ve, run::gen266, primBoolean(), "!=", formal(primFile(), "a", false, false), formal(primFile(), "b", false, false));
+  addFunc(ve, run::gen269, primFile(), "input", formal(primString() , "name", false, false), formal(primBoolean(), "check", true, false), formal(primString() , "comment", true, false));
+  addFunc(ve, run::gen270, primFile(), "output", formal(primString() , "name", false, false), formal(primBoolean(), "append", true, false));
+  addFunc(ve, run::gen271, primFile(), "xinput", formal(primString() , "name", false, false), formal(primBoolean(), "check", true, false));
+  addFunc(ve, run::gen272, primFile(), "xoutput", formal(primString() , "name", false, false), formal(primBoolean(), "append", true, false));
+  addFunc(ve, run::gen273, primBoolean(), "eof", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen274, primBoolean(), "eol", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen275, primBoolean(), "error", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen276, primVoid(), "clear", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen277, primVoid(), "close", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen278, primVoid(), "precision", formal(primFile(), "file", false, false), formal(primInt(), "digits", false, false));
+  addFunc(ve, run::gen279, primVoid(), "flush", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen280, primString() , "getc", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen281, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false));
+  addFunc(ve, run::gen282, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false), formal(primInt(), "ny", false, false));
+  addFunc(ve, run::gen283, primFile(), "dimension", formal(primFile(), "file", false, false), formal(primInt(), "nx", false, false), formal(primInt(), "ny", false, false), formal(primInt(), "nz", false, false));
+  addFunc(ve, run::gen284, primFile(), "csv", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
+  addFunc(ve, run::gen285, primFile(), "line", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
+  addFunc(ve, run::gen286, primFile(), "single", formal(primFile(), "file", false, false), formal(primBoolean(), "b", true, false));
+  addFunc(ve, run::gen287, primFile(), "read1", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen288, primFile(), "read2", formal(primFile(), "file", false, false));
+  addFunc(ve, run::gen289, primFile(), "read3", formal(primFile(), "file", false, false));
 }
 
 } // namespace trans
diff -r 57c230047c98 runtime.in
--- a/runtime.in	Tue Feb 07 23:34:29 2006 -0500
+++ b/runtime.in	Tue Apr 25 00:28:42 2006 -0400
@@ -1878,6 +1878,12 @@ string VERSION()
   return VERSION;
 }
 \f
+// for exporting to the .asy world how labels are to be processed
+string TEXENGINE()
+{
+  return getSetting<mem::string>("tex");
+}
+\f
 void quiet(bool v)
 {
   Setting("interactiveView")=
diff -r 57c230047c98 settings.cc
--- a/settings.cc	Tue Feb 07 23:34:29 2006 -0500
+++ b/settings.cc	Tue Apr 25 00:28:42 2006 -0400
@@ -399,7 +399,7 @@ struct alignSetting : public argumentSet
       value=(int)BOTTOM;
     else if (str=="Z") {
       value=(int)ZERO;
-      Setting("tex")=false;
+      Setting("tex")="none";
     }
     else {
       error("invalid argument for option");
@@ -631,9 +631,11 @@ void initSettings() {
   addOption(new incrementSetting("verbose", 'v',
 				 "Increase verbosity level", &verbose));
   addOption(new boolSetting("keep", 'k', "Keep intermediate files"));
-  addOption(new boolSetting("tex", 0,
-			    "Enable LaTeX label postprocessing (default)",
-			    true));
+  // changing tex from bool to string means that '-notex' no longer works.
+  // instead: '-tex none'
+  addOption(new stringSetting("tex", 't', "engine",
+			   "TeX engine for labels: tex, latex (default), none",
+			    "latex"));
   addOption(new boolSetting("inlinetex", 0, ""));
   addOption(new boolSetting("parseonly", 'p', "Parse test"));
   addOption(new boolSetting("translate", 's', "Translate test"));
@@ -669,7 +671,6 @@ void initSettings() {
   addOption(new envSetting("pdfviewer", defaultPDFViewer));
   addOption(new envSetting("psviewer", defaultPSViewer));
   addOption(new envSetting("gs", defaultGhostscript));
-  addOption(new envSetting("latex", "latex"));
   addOption(new envSetting("dvips", "dvips"));
   addOption(new envSetting("convert", "convert"));
   addOption(new envSetting("display", defaultDisplay));
diff -r 57c230047c98 texfile.cc
--- a/texfile.cc	Tue Feb 07 23:34:29 2006 -0500
+++ b/texfile.cc	Tue Apr 25 00:28:42 2006 -0400
@@ -41,19 +41,39 @@ void texfile::prologue()
 void texfile::prologue()
 {
   texdefines(*out);
-  if(!getSetting<bool>("inlinetex"))
-    *out << "\\pagestyle{empty}" << newl
-	 << "\\textheight=2048pt" << newl
-	 << "\\textwidth=\\textheight" << newl
-	 << "\\begin{document}" << newl;
+  if(!getSetting<bool>("inlinetex")) {
+    if (getSetting<mem::string>("tex") == "tex")
+      *out << "\\nopagenumbers" << newl
+	   << "\\hsize=2048pt" << newl
+	   << "\\vsize=\\hsize" << newl;
+    else if (getSetting<mem::string>("tex") == "latex")
+      *out << "\\pagestyle{empty}" << newl
+	   << "\\textheight=2048pt" << newl
+	   << "\\textwidth=\\textheight" << newl
+	   << "\\begin{document}" << newl;
+    else {			// unknown engine
+      cerr << "Unknown engine: " << getSetting<mem::string>("tex") << newl;
+      abort();
+    }
+  }
   *out << "\\psset{unit=1pt}" << newl;
 }
     
 void texfile::beginlayer(const string& psname)
 {
-  *out << "\\setbox\\ASYpsbox=\\hbox{\\includegraphics{" << psname << "}}%"
+  string includecmd;
+
+  if (getSetting<mem::string>("tex") == "tex")
+    includecmd = "\\epsfbox{";
+  else if (getSetting<mem::string>("tex") == "latex")
+    includecmd = "\\includegraphics{";
+  else { 			//
+    cerr << "Unknown engine: " << getSetting<mem::string>("tex") << newl;
+    abort ();
+  }
+  *out << "\\setbox\\ASYpsbox=\\hbox{" << includecmd << psname << "}}%"
        << newl
-       << "\\includegraphics{" << psname << "}%" << newl;
+       << includecmd << psname << "}%" << newl;
 }
 
 void texfile::endlayer()
@@ -90,12 +110,13 @@ void texfile::setpen(pen p)
   }
   
   if(p.size() != lastpen.size() || p.Lineskip() != lastpen.Lineskip()) {
+    // need to fix if not using latex (change fontsize and baselineskip)
     *out << "\\fontsize{" << p.size() << "}{" << p.Lineskip()
 	 << "}\\selectfont" << newl;
   }
 
   if(p.Font() != lastpen.Font()) {
-    *out << p.Font() << "%" << newl;
+    *out << p.Font() << "%" << newl; // need to change fonts differently in tex
   }
 
   offset=pair(box.right,box.bottom);
diff -r 57c230047c98 texfile.h
--- a/texfile.h	Tue Feb 07 23:34:29 2006 -0500
+++ b/texfile.h	Tue Apr 25 00:28:42 2006 -0400
@@ -55,8 +55,14 @@ template<class T>
 template<class T>
 void texdocumentclass(T& out, bool pipe=false)
 {
-  if(pipe || !settings::getSetting<bool>("inlinetex"))
-    out << "\\documentclass[12pt]{article}" << newl;
+  if(pipe || !settings::getSetting<bool>("inlinetex")) {
+    if (settings::getSetting<mem::string>("tex") == "latex")
+      out << "\\documentclass[12pt]{article}" << newl;
+    else if (settings::getSetting<mem::string>("tex") != "tex") {
+      cerr << "Unknown engine: " << settings::getSetting<mem::string>("tex") << newl;
+      abort();
+    }
+  }
 }
   
 template<class T>
@@ -85,8 +91,17 @@ void texdefines(T& out, stringlist& prea
       << "\\def\\ASYscale(#1,#2)(#3,#4)(#5,#6)#7#8{%" << newl
       << "\\ASYalign(#1,#2)(#3,#4){#7}{\\scalebox{#5}[#6]{#8}}}%" << newl;
   
-  if(pipe || !settings::getSetting<bool>("inlinetex"))
-    out << "\\usepackage{pstricks,graphicx}" << newl;
+  if(pipe || !settings::getSetting<bool>("inlinetex")) {
+    if (settings::getSetting<mem::string>("tex") == "tex")
+      out << "\\input epsf" << newl
+	  << "\\input pstricks" << newl;
+    else if (settings::getSetting<mem::string>("tex") == "latex")
+      out << "\\usepackage{pstricks,graphicx}" << newl;
+    else {
+      cerr << "Unknown engine: " << settings::getSetting<mem::string>("tex") << newl;
+      abort ();
+    }      
+  }
 }
   
 class texfile : public gc {
diff -r 57c230047c98 .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Tue Apr 25 00:28:42 2006 -0400
@@ -0,0 +1,3 @@
+syntax: glob
+*~
+*.o

Re: ConTeXt + asymptote

[Hans Hagen]

Sanjoy Mahajan wrote:
>> context parses the ps code and converts it to pdf and in the process
>> uses tex to do the fonts
>>     
>
>   %%Page: 1 1
>    0 0.5 dtransform truncate idtransform setlinewidth pop
>   1 setlinecap
>   1 setlinejoin
>   gsave
>    0 0 translate
>   newpath 273.998159 412.742829 moveto
>    338.001841 412.742829 lineto
>   
...
>    stroke
>   showpage
>   
looks parsable
>   asy -t tex labelbox.asy [make eps, use plain tex for labels]
>   
> which is failing, I think, in this line from the intermediate
> labelbox_.tex file:
>
>   \setbox\ASYpsbox=\hbox{\epsfbox{labelbox_0.eps}}%
>
> But I haven't figured out who generates labelbox_0.eps and why it isn't
> being generated when using tex but is when using latex.  Obviously I
> haven't found all the places where latex is hardwired into asymptote.
>
> And even what I did is incomplete.  The latex interface code spits out
> e.g. \fontsize{12}{14.4}, which I just ignore if plain tex is being
> used.
>
> Compared to the monster .eps files that asymptote produces, I now love
> metapost's simple postscript files and one-line, easily parsed font
> commands.
>   
if metapost had path bound specials and a few more features ...
> From: "Mojca Miklavec" <mojca.miklavec.lists@gmail.com>
>   
>> But I've given up once I saw how harcoded LaTeX was in there.
>>     
>
> I've pretty much given up too.
>   
from what you describe it sounds like generic usage was not one part of 
the design
>   
>> Metapost support in ConTeXt is much deeper and I wonder how much work
>> should be invested into making as good support for Asymptote in
>> ConTeXt as it is now for metapost.
>>     
>
> Whoever is game can start with the diff below, but I'm also not sure
> it's worth it.  My ideal figure program:
>
> 1. Agnostic about the tex engine (tex/latex/context), easy to integrate
>    with any of them.  MP is good here.
> 2. 3D built in.
> 3. Modern color models (cmyk, transparency)
>   
and even then, most of that has to take place in the backend in order to 
get proper integration (efficiency and such),  so if for instance mp had 
a model for arbitrary collections, like:

(r,g,b) == (c,m,y,k) => (a,b,c,d,...)

actually, colors in mp are just triplets
> 4. Decent syntax.  MP is a bit ghastly, and writing macros is horrible
>    esp. with vardefs.  I prefer a non-macro language, and asymptote is
>    good that way
>   
well, mp misses a few things but should not be compared to tex 
(different model for globals, grouping, functions)
> But it's a lot of work to get it right.
>
> -Sanjoy
>
> `A society of sheep must in time beget a government of wolves.'
>    - Bertrand de Jouvenal
>
>
> diff -r 57c230047c98 base/babel.asy
> --- a/base/babel.asy	Tue Feb 07 23:34:29 2006 -0500
> +++ b/base/babel.asy	Tue Apr 25 00:28:42 2006 -0400
> @@ -1,4 +1,6 @@ void babel(string s)
>  void babel(string s) 
>  {
> +  if (texengine == "tex")
> +    abort("No babel package in plain TeX.");
>    texpreamble("\usepackage["+s+"]{babel}");
>  }
>   
such code should not be inline, but in a config file or variable, seeing 
this i'd say: for the moment forget about patching since it's hard to 
keep up with such changes

btw, it should be:

  if texengine == latex then texpreamble ...

else you need an abort for each macro package
> diff -r 57c230047c98 base/fontsize.asy
> --- a/base/fontsize.asy	Tue Feb 07 23:34:29 2006 -0500
> +++ b/base/fontsize.asy	Tue Apr 25 00:28:42 2006 -0400
> @@ -1,1 +1,3 @@ texpreamble("\usepackage{type1cm}");
> +
etc

Hans

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Re: ConTeXt + asymptote

[Taco Hoekwater]

I've posted this to the metapost list as well:

> I like metapost but, according to the following mail (on the metapost ML):
> 
> [metapost] MP vs. Asymptote
> I don't want to start a flame, but since someone posted a message some
> time ago mentioning Asymptote I got curious and I have to say that I was
> very impressed, even if I still have some problems with it. However, it
> seems a net improvement over MP, or not? Is there anyone with an
> informed opinion over Asymptote? Might Asymptote be the killer of MP?

I am extremely interested in what you feel the improvements are
in Asymptote compared to MP, because it would give some clues
to the direction MP development should take.

I've been browsing a bit and I now know it has more of a C++ style
of doing things, but personally I don't see that as a big advantage.
Just like Laurence, I simply like the MF/MP 'feel'.

But more importantly, most of my illustrations depend heavily on
the equation solving capabilities of MetaPost. I got the impression
Asymptote cannot do that (but I may have missed something).

Cheers, Taco

Re: ConTeXt + asymptote

[Taco Hoekwater]

Hans Hagen wrote:
> 
> looks parsable

But you see only a small bit of the actual output ;-)

 From Mojca:

>>Whoever is game can start with the diff below, but I'm also not sure
>>it's worth it.  My ideal figure program:
>>
>>1. Agnostic about the tex engine (tex/latex/context), easy to integrate
>>   with any of them.  MP is good here.
>>2. 3D built in.

I've asked this to a wide range of people and have never, ever gotten an
answer that is even close to usable for development purposes:

   What is actually needed to make it easy to do 3D in MP?

>>3. Modern color models (cmyk, transparency)

cmyk color model is older.much than rgb :-)

It would not be hard to add the cmyk color space, but transparancy can 
not easily be done in PostScript output (it would require overlap
removal code, and that is not present at all).

>>4. Decent syntax.  MP is a bit ghastly, and writing macros is horrible
>>   esp. with vardefs.  I prefer a non-macro language, and asymptote is
>>   good that way
>>  

True. But then again, you do not _really_ need vardef macros.

Cheers, Taco

Re: ConTeXt + asymptote

[Sanjoy Mahajan]

From:    Hans Hagen <pragma@wxs.nl>
> [asymptote eps] looks parsable

Those lines are only a bit of the output.  It's preceded by horrible
pstricks and font code to parse (about 800 lines in that eps file).
I'm not sure why asymptote decided to use pstricks.  I think it's for
figure inclusion, but there have to be other, less hacky ways.

>> +  if (texengine == "tex")
>> +    abort("No babel package in plain TeX.");
>>    texpreamble("\usepackage["+s+"]{babel}");

> btw, it should be:
>  if texengine == latex then texpreamble ...
> else you need an abort for each macro package

Yeah, I'm not proud of it.  By that point in the patching, I mostly
despaired of finding all the hardcoded latex spots and just added the
quickest hack to get something to work ("When the going gets tough,
the tough lower their standards.")  Not that it worked in the end.

From:    Taco Hoekwater <taco@elvenkind.com>
> It would not be hard to add the cmyk color space, but transparancy
> can not easily be done in PostScript output (it would require
> overlap removal code, and that is not present at all).

That's true, and the pdfmark hack added to postscript doesn't support
sending transparency information to a distiller (e.g. ps2pdf or
Acrobat distiller).  At least, it doesn't from what I could tell by
looking in the PDFmark reference manual from Adobe:
<http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/pdf_creation_apis_and_specs/pdfmarkReference.pdf>

Maybe it's time to abandon postscript and generate pdf directly?
About the only reason I sometimes run (non-pdf)tex is because I was
too lazy to convert metapost figures to pdf and hadn't added the scons
or Makefile rules to convert them automatically.

> I've been browsing a bit and I now know it has more of a C++ style
> of doing things, but personally I don't see that as a big advantage.

I agree.  Although perhaps related to the new syntax or the new
implementation: it's useful to have many mathematical functions ready
to use for graphing -- the asymptote authors keep adding functions
from the GNU scientific library -- instead of having to divide or
multiply by 256 (the metapost log and exp functions) or worry about
overrunning the integer range (and use the sarith package in MP).

> But more importantly, most of my illustrations depend heavily on the
> equation solving capabilities of MetaPost. I got the impression
> Asymptote cannot do that (but I may have missed something).

Right, I like the implicit equation solving in MP and find it very
intuitive and matched to how I think about figures.  Asymptote has
only explicit equation solving.  Laurence said (on the metapost list)
that his 3D package for MP doesn't have implicit solving either -- I
guess because the 3D objects are not native to MP so they don't
benefit from the built-in equation solver.

Maybe making 3d points native to MP is part of an answer to:

   What is actually needed to make it easy to do 3D in MP?

But I'm far from an expert in 3D drawings or MP, and maybe one of the
MP experts has more useful thoughts.

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
         --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.