Re: [NTG-context] Laundry symbols (now: altered picture)

[Alfredo Catalina via ntg-context]

Great! Thanks Hans, now it works. I replaced the "draw externalfigure"
commands by

draw externalfigure "./skysprite.png" xsized 4u ysized 5u shifted (0u,-0u);
draw externalfigure "./sandsprite.png" xsized 4u ysized 5u shifted (0u,-5u);

Best regards

On Sun, Jan 2, 2022 at 3:36 PM Hans Hagen  wrote:

> On 1/2/2022 3:12 PM, Alfredo Catalina via ntg-context wrote:
> > I'm trying to use ConTeXt with Metafun to produce a map of a videogame I
> > am working on. In fact I did it 9 years ago but it seems that now it
> > doesn't work.
> >
> > I have two 32 pixels wide by 40 pixels high sprites. They are saved in
> > the skysprite.png and sandsprite.png files. Since 32 = 4 x 8 and 40 = 5
> > x 8, the width/height ratio is 4/5.
> >
> > This should produce a page with a sky sprite and a sand sprite, one
> > below the other. It worked in the past. Each sprite should be 4 x 0.095
> > cm = 0,38 cm wide and 5 x 0.095 cm = 0.475 cm high:
> >
> > \starttext
> > \setupMPinstance[metafun][textstyle={\switchtobodyfont[termes,8pt]}]
> > \startuseMPgraphic{mapa}
> > u:=.095cm;
> > draw externalfigure "./skysprite.png" xscaled 4u yscaled 5u shifted
> > (0u,-0u);
> > draw externalfigure "./sandsprite.png" xscaled 4u yscaled 5u shifted
> > (0u,-5u);
> > \stopuseMPgraphic
> > \useMPgraphic{mapa}
> > \stoptext
> >
> > But instead I got two huge sprites of 2.8 cm x 4.4 cm.
> >
> > Am I forgetting something?
> Originally that worked because the image was always 'included' at 1 bp
> and then scaled but that was (1) inaccurate and (2) a bit depending on
> the image and (3) could overflow metapost.
>
> Use xsized and ysized instead (absolute measures instead of scaling the
> unknown)
>
> 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
> -
>
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Re: [NTG-context] Laundry symbols (now: altered picture)

[Alfredo Catalina via ntg-context]

I'm trying to use ConTeXt with Metafun to produce a map of a videogame I
am working on. In fact I did it 9 years ago but it seems that now it
doesn't work.

I have two 32 pixels wide by 40 pixels high sprites. They are saved in the
skysprite.png and sandsprite.png files. Since 32 = 4 x 8 and 40 = 5 x 8,
the width/height ratio is 4/5.

This should produce a page with a sky sprite and a sand sprite, one
below the other. It worked in the past. Each sprite should be 4 x 0.095 cm
= 0,38 cm wide and 5 x 0.095 cm = 0.475 cm high:

\starttext
\setupMPinstance[metafun][textstyle={\switchtobodyfont[termes,8pt]}]
\startuseMPgraphic{mapa}
u:=.095cm;
draw externalfigure "./skysprite.png" xscaled 4u yscaled 5u shifted
(0u,-0u);
draw externalfigure "./sandsprite.png" xscaled 4u yscaled 5u shifted
(0u,-5u);
\stopuseMPgraphic
\useMPgraphic{mapa}
\stoptext

But instead I got two huge sprites of 2.8 cm x 4.4 cm.

Am I forgetting something?

Thanks
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

I've run

first-setup.bat --modules=all

and now it works. Thanks Wolfgang and Aditya!!
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

On Sun, Jun 10, 2012 at 9:29 PM, Wolfgang Schuster <
schuster.wolfg...@googlemail.com> wrote:

>
> Do you use TeXLive or the ConTeXt Suite (installation from the context
> wiki)?
>
>

ConTeXt Suite
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

On Sun, Jun 10, 2012 at 7:14 PM, Aditya Mahajan  wrote
>
>
> You need to upgrade your ConTeXt installation.
>
>
>

I installed context two weeks ago. I've just run

mtxrun --selfupdate
mtxrun --generate
luatools --generate
context --make
and I've got the same error. Any ideas?
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

> \setupbodyfont[pagella,11pt]
>
> %\setupMPinstance[metafun][textstyle=sans]
> \setupMPinstance[metafun][textstyle={\switchtobodyfont[termes,14pt]}]
>
> \starttext
>
> \input knuth
>
> \startMPcode
> draw textext("I’m different!") ;
> \stopMPcode
>
> \stoptext
>
>
>

It gives an error:

! Undefined control sequence.
system  > tex > error on line 1 in file GeneraMapa.tex: Undefined
control sequence ...
1 >>  \setupMPinstance[metafun][textstyle={\switchtobodyfont[termes,14pt]}]
2
3 \setuppagenumbering[location=]
4 \starttext
5 \input ./mapa.tex
6 \useMPgraphic{mapa}
7 \stoptext
8
l.1 \setupMPinstance
[metafun][textstyle={\switchtobodyfont[termes,14pt]}]
?
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

>
> 1. Do you use MkII or MkIV?
>
> 2. Do you want Palatino only for the metapost labels or also for the main
> font in the document?
>
>
>

I am using MkIV. Whether it is possible I would like to use a different
font for the metapost labels.
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Re: [NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

I'm sorry but I don't know how to use them. I've tried

\setupMPinstance [metafun] [textcolor=red]

and got an "undefined control sequence" error.

I've also tried

\startMPenvironment [global]
\usetypescript[palatino][ec]
\switchtobodyfont[palatino,7pt]
\stopMPenvironment

and it changed the font size but the font type is not "palatino".

thanks
On Sun, Jun 10, 2012 at 5:25 PM, Wolfgang Schuster <
schuster.wolfg...@googlemail.com> wrote:

>
> Am 10.06.2012 um 16:25 schrieb Alfredo Catalina:
>
> > How can I setup a font -name, size, etc- inside a startuseMPgraphic
> environment?
> >
> > \startuseMPgraphic{map}
> >
> > \stopuseMPgraphic
>
> - http://wiki.contextgarden.net/Command/defineMPinstance
> - http://wiki.contextgarden.net/Command/setupMPinstance
>
> Wolfgang
>
>
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[NTG-context] Change font in \startuseMPgraphic

[Alfredo Catalina]

How can I setup a font -name, size, etc- inside a startuseMPgraphic
environment?

\startuseMPgraphic{map}

\stopuseMPgraphic
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Re: [NTG-context] \externalfigure shows text alongside the picture

[Alfredo Catalina]

Great! Thanks Wolfgang!

On 8 Jun 2012 17:16, "Wolfgang Schuster" 
wrote:
>
>
> Am 08.06.2012 um 17:10 schrieb Alfredo Catalina:
>
> > I am using \externalfigure to show a picture at the desired scale.
Instead of providing a number for the width parameter I have made a
definition with \def. When I run in mkiv this I get the text "4t" alongside
the picture.
> >
> > \def\DesignSize#1{3.5cm/4*#1}%
> > \starttext
> > \externalfigure[hacker.jpg][width=\DesignSize{4}]
> > \stoptext
> >
> > In mkii is perfect.
> >
> > I've also tried
> >
> > \define[1]\DesignSize{3.5cm/4*#1}
> >
> > with the same result.
>
> \define[1]\DesignSize{\the\dimexpr3.5cm/4*#1\relax}
>
> Wolfgang
>
>
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[NTG-context] \externalfigure shows text alongside the picture

[Alfredo Catalina]

I am using \externalfigure to show a picture at the desired scale. Instead
of providing a number for the width parameter I have made a definition with
\def. When I run in mkiv this I get the text "4t" alongside the picture.

\def\DesignSize#1{3.5cm/4*#1}%
\starttext
\externalfigure[hacker.jpg][width=\DesignSize{4}]
\stoptext

In mkii is perfect.

I've also tried

\define[1]\DesignSize{3.5cm/4*#1}

with the same result.
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Re: [NTG-context] Zapf Dingbats font

[Alfredo Catalina]

On Mon, Jun 4, 2012 at 10:01 AM, Hans Hagen  wrote:
>
>
> in the distrubution from the contextgarden
>
> \definefont[zapfdingbats][**ZapfDingbats]
>
> should work as well
>
> Hans
>
>
>
mmm, does it mean that a ZapfDingbats.* font file is present in the
distribution??
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Re: [NTG-context] Process stops

[Alfredo Catalina]

On Sun, Jun 3, 2012 at 10:19 AM, luigi scarso
 wrote:

> Something like a missed \stoptext , i.e.
> \starttext
> ..
> ..
> %\stoptext
>
> A good strategy is to move \stoptext from bottom to up next to
> \starttext until a correct compilation


You are right. There was a "\stoptext"  missing. Thanks!
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[NTG-context] Process stops

[Alfredo Catalina]

I am trying to process a document I wrote in 2009 using mkii. I am
modifying it to work with mkiv.

When I run

context mydoc.tex

the process starts and after some time it stops and shows an asterisk (*)
waiting for a command. I then type in "\end", and it resumes. Finally it
ouputs "mydoc.pdf". There are still some things to fix (ie section numbers)
but in general the document is ok.

I can't see any "error" message although I got a lot of "Overfull \hbox..."
and "Underfull \hbox..." messages.

What can be the reason?
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Re: [NTG-context] Zapf Dingbats font

[Alfredo Catalina]

Ok, thanks Luigi.

This is how I sorted it out, hope it may help someone. It looks like I
should write a typescript and a symbol definition file, but I new to this
and don't know how to do it yet.

This is a workaround for the meantime:

- Download the free True Type font "Zapf Dingbats BT" from
http://www.ufonts.com/fonts/zapf-dingbats-bt.html
- You should have got the file ufonts.com_zapf-dingbats-bt-2.ttf or an EXE
file -an installer-
- In windows 7 it may be installed by clicking "install" -context menu,
right mouse click-
- Generate Context font database:

mtxrun --script fonts --reload

- Check it's been read:

mtxrun --script fonts --list --all --pattern=zapf*

- You should have several lines like "zapfdingbatsbt
zapfdingbatsitcbybtregular
 c:/windows/fonts/ufonts.com_zapf-dingbats-bt-2.ttf"
- Finally this is how I get the characters I need:

\definefont[zapfdingbats][ufonts.com_zapf-dingbats-bt-2.ttf at 10pt]

\starttext

Testing: {\zapfdingbats \char109}  %shadowed white circle

\stoptext
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[NTG-context] Zapf Dingbats font

[Alfredo Catalina]

Can the Zapf Dingbats font be used in MKIV? I can't do it work

I have downloaded the
symb-uni-zapf.zip
file
from http://dl.contextgarden.net/websitesarchive/atl/tex/. Then I unpacked
it and copied the .tfm, .enc and .map files in texmf-context/fonts as well
as symb-uzd.tex in texmf-context/tex/context/third

I then run

mtxrun --script fonts --reload
and

context --generate

I tried

usetypescriptfile[symb-uzd.tex]
\usesymbols[uzd]

\symbol[Unicode Shadowed Shapes][LowerRightDrop-shadowedWhiteSquare]


but it doesn't work. Any ideas?
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

Yes!!! It works!!

Now I can use both commands and it works!

I very much appreciate your support.

Thanks Luigi!

On Mon, May 28, 2012 at 10:20 PM, luigi scarso wrote:

> On Mon, May 28, 2012 at 9:20 PM, Alfredo Catalina
>  wrote:
> > This is what I get with "mtxrun texexec kk.tex"
> >
> > This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012/W32TeX)
> > (format=cont-en 2012.5.28)  28 MAY 2012 21:18
> > entering extended mode
> >  \write18 enabled.
> >  (c:/context/tex/texmf-context/web2c/natural.tcx)
> > **kk.tex
> > (./kk.tex
> > ConTeXt  ver: 2012.05.26 16:40 MKII  fmt: 2012.5.28  int:
> english/english
> > system  : cont-new.mkii loaded
> > (c:/context/tex/texmf-context/tex/context/base/cont-new.mkii
> > FatalError  : Your format does not match the base files!
> > FormatVersion   : 2012.05.26 16:40 MKII
> > FilesVersion: 2011.05.18 18:04
>
> Hm,  try
> mtxrun texexec --make
> and
> context --make
>
> Both are ok at my end.
>
> --
> luigi
>
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

This is what I get with "mtxrun texexec kk.tex"

This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012/W32TeX)
(format=cont-en 2012.5.28)  28 MAY 2012 21:18
entering extended mode
 \write18 enabled.
 (c:/context/tex/texmf-context/web2c/natural.tcx)
**kk.tex
(./kk.tex
ConTeXt  ver: 2012.05.26 16:40 MKII  fmt: 2012.5.28  int: english/english
system  : cont-new.mkii loaded
(c:/context/tex/texmf-context/tex/context/base/cont-new.mkii
FatalError  : Your format does not match the base files!
FormatVersion   : 2012.05.26 16:40 MKII
FilesVersion: 2011.05.18 18:04
 ) )
Here is how much of TeX's memory you used:
 47 strings out of 255946
 829 string characters out of 1273077
 2595900 words of memory out of 400
 41195 multiletter control sequences out of 15000+10
 7 words of font info for 0 fonts, out of 200 for 5000
 397 hyphenation exceptions out of 8191
 20i,0n,15p,81b,471s stack positions out of
1i,500n,1p,400b,5s
No pages of output.
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

Contents of the log file:

(kk.tex
ConTeXt  ver: 2011.05.18 18:04 MKIV  fmt: 2012.5.28  int: english/english
system  > cont-new.mkiv loaded
(C:/context/tex/texmf-context/tex/context/base/cont-new.mkiv
system  > beware: some patches loaded from cont-new.mkiv
)
system  > kk.top loaded
system  > options > begin of optionfile
system  > options >
system  > options > % runtime options files (command line driven)
system  > options > \unprotect
system  > options > % feedback and basic job control
system  > options > % handy for special styles
system  > options > \startluacode
system  > options > document = document or { }
system  > options > document.arguments={
system  > options >  ["autopdf"]=true,
system  > options > }
system  > options > document.files={
system  > options >  "kk.tex",
system  > options > }
system  > options > \stopluacode
system  > options > % process info
system  > options > \setupsystem[inputfile=kk.tex]
system  > options > \setupsystem[\c!n=1,\c!m=1]
system  > options > % modes
system  > options > % options (not that important)
system  > options > \startsetups *runtime:options
system  > options > \stopsetups
system  > options > % styles and modules
system  > options > \startsetups *runtime:modules
system  > options > \stopsetups
system  > options > % done
system  > options > \protect \endinput
system  > options >
system  > options > end of optionfile
(kk.top)
fonts   > latin modern fonts are not preloaded
languages   > language en is active
{C:/context/tex/texmf-context/fonts/map/pdftex/context/mkiv-base.map}
fonts   > preloading latin modern fonts (second stage)
(C:/context/tex/texmf-context/tex/context/base/type-siz.mkiv)
(C:/context/tex/texmf-context/tex/context/base/type-otf.mkiv){C:/context/tex/texmf/fonts/map/dvips/lm/lm-math.map}{C:/context/tex/texmf/fonts/map/dvips/lm/lm-rm.map}
fonts   > virtual math > unable to resolve name mapsfromchar
fonts   > fallback modern rm 12pt is loaded
system  > begin file kk.tex at line 1
metapost> initializing instance 'metafun' using format 'metafun'
metapost> loading 'metafun.mp' (experimental metapost version two)
! terminal: >> picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
.
system  > tex > error on line 17 in file kk.tex: terminal: >>
picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
 ...
 7 numeric u;
 8 u:=1;
 9 textX:=87.51u;
10 textY:=96.31u;
11 pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
12 draw pic shifted (textX, textY);
13 externalfigure "mill.png" xscaled 80.13u yscaled 60.09u shifted
14 (69.85u,20.30u) ;
15 \stopuseMPgraphic
16
17 >>  \useMPgraphic{gh}
18
19 \stoptext
20
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
  \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.17 \useMPgraphic{gh}

?
! Emergency stop.
system  > tex > error on line 17 in file kk.tex: Emergency stop ...
 7 numeric u;
 8 u:=1;
 9 textX:=87.51u;
10 textY:=96.31u;
11 pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
12 draw pic shifted (textX, textY);
13 externalfigure "mill.png" xscaled 80.13u yscaled 60.09u shifted
14 (69.85u,20.30u) ;
15 \stopuseMPgraphic
16
17 >>  \useMPgraphic{gh}
18
19 \stoptext
20
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
          \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.17 \useMPgraphic{gh}

End of file on the terminal!
!  ==> Fatal error occurred, no output PDF file produced!


On Mon, May 28, 2012 at 8:

Re: [NTG-context] thelabel problem

[Alfredo Catalina]

I checked that I have

shell_escape = t
shell_escape.context  = t
shell_escape_commands.context = mtxrun,luatools,texmfstart,texexec,mpost

in C:\context\tex\texmf\web2c\texmf.cnf

Please find attached the file log (kk.log).

Thanks in advance.


kk.log
Description: Binary data
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

I tried your code but I got an error. No idea of what is happening. Thanks.

--

! terminal: >> picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
.
system  > tex > error on line 17 in file kk.tex: terminal: >>
picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
 ...
 7 numeric u;
 8 u:=1;
 9 textX:=87.51u;
10 textY:=96.31u;
11 pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
12 draw pic shifted (textX, textY);
13 externalfigure "mill.png" xscaled 80.13u yscaled 60.09u shifted
14 (69.85u,20.30u) ;
15 \stopuseMPgraphic
16
17 >>  \useMPgraphic{gh}
18
19 \stoptext
20
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
  \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.17 \useMPgraphic{gh}
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

I've tried to compile that code and I got:

! terminal: >> picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;

.

system  > tex > error on line 17 in file kk.tex: terminal: >>
picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;

 ...

 7 numeric u;
 8 u:=1;
 9 textX:=87.51u;
10 textY:=96.31u;
11 pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
12 draw pic shifted (textX, textY);
13 externalfigure "mill.png" xscaled 80.13u yscaled 60.09u shifted
14 (69.85u,20.30u) ;
15 \stopuseMPgraphic
16
17 >>  \useMPgraphic{gh}
18
19 \stoptext
20
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
  \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.17 \useMPgraphic{gh}

-

I have no idea of what to do. Any ideas? Thanks
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

Thank you. I check it, and you are right. I forgot to include the
definitions when I cut and paste that part of the code. I thought the
problem was related to the btex command, but it's not.

The first line is:

u=1.000mm; linecap:=butt; linejoin:=mitered; path pp; picture pic;
labeloffset:=0;

I compared it with your code. The "numeric u;" definition is missing in my
file. I have included it and now it works!!

It's really weird since I compiled it in 2009 and it worked as is. I still
have the pdf output file...??

Finally I have a problem in this line:

externalfigure "aciddrops1.png" xscaled 80.13u yscaled 60.09u shifted
(69.85u,20.30u) ;

Then I got:

 terminal: >> picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
.
system  > tex > error on line 99 in file kk2.tex: terminal: >>
picture
! Isolated expression.

   ;
<*> ...3u yscaled 60.09u shifted (69.85u,20.30u) ;
   ;
 ...
 89 fill pp--cycle withcolor (0.000,0.000,0.000);
 90
pp:=(150.24u,73.96u)--(152.93u,72.91u)--(153.10u,74.30u)--(150.24u,73.96u);
 91 draw pp--cycle withpen pencircle scaled 0.30mm withcolor
(0.000,0.000,0.000);
 92
 93 setbounds currentpicture to
(67.85u,18.30u)--(197.56u,18.30u)--(197.56u,102.23u)--(67.85u,102.23u)--cycle;
 94
 95 externalfigure "aciddrops1.png" xscaled 80.13u yscaled 60.09u
shifted (69.85u,20.30u) ;
 96
 97 \stopuseMPgraphic
 98
 99 >>  \useMPgraphic{gh}
100
101 \stoptext
102
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
  \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.99 \useMPgraphic{gh}
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Re: [NTG-context] thelabel problem

[Alfredo Catalina]

Sorry, that's right, it works. I forgot the definition. I have been trying
some things before.

In fact the problem is this:

\starttext

Testing

\startuseMPgraphic{gh}

textX:=87.51u;
textY:=96.31u;
pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
draw pic shifted (textX, textY);

\stopuseMPgraphic

\useMPgraphic{gh}

\stoptext
And  I get:

! terminal: >> pic
>> picture
! Equation cannot be performed (numeric=picture).

   ;
<*> ...rt(rawtextext("{Test}") scaled 1.00,(0,0));
   draw pic shifted (textX,
...
>> pic
>> (0.90863textY,textY)
! Not implemented: (unknown numeric)shifted(unknown pair).

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
>> 0.90863textY
! Undefined x coordinate has been replaced by 0.

   withpen
draw->...:also(EXPR0)else:doublepath(EXPR0)withpen
  .currentpen.fi._op_

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
>> textY
! Undefined y coordinate has been replaced by 0.

   withpen
draw->...:also(EXPR0)else:doublepath(EXPR0)withpen
  .currentpen.fi._op_

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
.
system  > tex > error on line 14 in file kk2.tex: terminal: >> pic
>> picture
! Equation cannot be performed (numeric=picture).

   ;
<*> ...rt(rawtextext("{Test}") scaled 1.00,(0,0));
   draw pic shifted (textX,
...
>> pic
>> (0.90863textY,textY)
! Not implemented: (unknown numeric)shifted(unknown pair).

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
>> 0.90863textY
! Undefined x coordinate has been replaced by 0.

   withpen
draw->...:also(EXPR0)else:doublepath(EXPR0)withpen
  .currentpen.fi._op_

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
>> textY
! Undefined y coordinate has been replaced by 0.

   withpen
draw->...:also(EXPR0)else:doublepath(EXPR0)withpen
  .currentpen.fi._op_

   ;
<*> ...00,(0,0)); draw pic shifted (textX, textY);
   ;
 ...
 4
 5 \startuseMPgraphic{gh}
 6
 7 textX:=87.51u;
 8 textY:=96.31u;
 9 pic:=thelabel.urt(btex {Test} etex scaled 1.00,(0,0));
10 draw pic shifted (textX, textY);
11
12 \stopuseMPgraphic
13
14 >>  \useMPgraphic{gh}
15
16 \stoptext
17
 ...re.mp ; fi ; ]===], false)}

\processMPgraphic ...e ;\!!es , \MPaskedfigure )}}
  \egroup \placeMPgraphic
\d...
\handleuseMPgraphic ...hics \processMPgraphic {#3}
  \endgroup
\douseMPgraphic ...{\@@MPG \currentMPgraphicname }
  \empty \endMPgraphicgroup


l.14 \useMPgraphic{gh}
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[NTG-context] thelabel problem

[Alfredo Catalina]

I installed ConTeXt in 2009 in my laptop and wrote some documents. Now I
have installed ConTeXt in other computer and tried to process some of those
documents but it doesn't work.

It looks that there is something wrong with Metapost/Metafun. I have tried
a simple program like

\starttext

Testing

\startuseMPgraphic{gh}
draw thelabel.rt("the right way",a) withcolor .625red ;
\stopuseMPgraphic

\useMPgraphic{gh}

\stoptext

Then I get:

system  > begin file kk2.tex at line 1
metapost> initializing instance 'metafun' using format 'metafun'
metapost> loading 'metafun.mp' (experimental metapost version two)
! terminal: >> a
>> (3,0)
! Not implemented: (unknown numeric)+(pair).

   -
thelabel->...((EXPR4)+labeloffset*laboff(SUFFIX2)-

(labxf(SUFFIX2)*lrcorner.p...
<*>  draw thelabel.rt("the right way",a)
 withcolor .625red ; ;
.
system  > tex > error on line 10 in file kk2.tex: terminal: >> a
>> (3,0)
! Not implemented: (unknown numeric)+(pair).

   -
thelabel->...((EXPR4)+labeloffset*laboff(SUFFIX2)-

(labxf(SUFFIX2)*lrcorner.p...
<*>  draw thelabel.rt("the right way",a)
 withcolor .625red ; ;


Any ideas? Thank you.
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[NTG-context] Flow Charts

[Alfredo Catalina]

I find the chart module great, it provides good results when typesetting
flow charts in many cases. However, sometimes when defining connection lines
the automatic routing feature is not able to find an optimal route and lines
intersect. I was wondering if there is an alternate way to define a
particular path for a specific connection. Instead of letting the module
doing that connection I would rather let it undefined and use some metapost
commands to do it. Is there an easy way to do it keeping the lines and
arrows setup?.

Thanks!
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[NTG-context] Customizing chapter heads

[Alfredo Catalina]

I am new to ConTeXt. I am trying to define a customized head for chapters
but I am finding some problems. The sentences below are based on the chapter
Text Elements which may be found in the ConTeXt manual.

Prior to setting up the title, a new Head command is defined
by \def\HeadTitle#1#2%. It takes two arguments, the chapter number and the
chapter title. The Head so defined will show the word "C h a p t e r" in
capitals, then the chapter number at 80pt, then a horizontal line, and
finally the title.

The definition works quite well except that both, the chapter number and the
chapter title, are not show at the specified font size.

\definebodyfont[10pt,11pt,12pt][rm][tff=Regular at 80pt]
\definebodyfont[10pt,11pt,12pt][rm][tfe=Regular at 42pt]

\def\HeadTitle#1#2%
{\hbox to \hsize \bgroup
{\hfill %
\setupframed[height=7cm,offset=.5em,frame=off]
 \framed[width=9cm,align=left]
{
{\tfc \sc {C~h~a~p~t~e~r}} ~~ {\tff #1}\\
\hairline
{\ss \tfe #2}
}
}
\egroup
}
\starttext
\setuphead[chapter] [command=\HeadTitle]
\chapter{An Insight\\Into Fred's Design}
\stoptext

An easy workaround for the chapter number replaces the argument #1 by
\currentheadnumber

\def\HeadTitle#1#2%
{\hbox to \hsize \bgroup
{\hfill %
\setupframed[height=7cm,offset=.5em,frame=off]
 \framed[width=9cm,align=left]
{
{\tfc \sc {C~h~a~p~t~e~r}} ~~ {\tff #1}\\
\hairline
{\ss \tfe #2}
}
}
\egroup
}

Now the chapter number is shown at 80pt as defined. But I have not found the
way to solve the problem with the head title, #2. ¿Any ideas?

Thanks in advance.
Alfredo.
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