[metapost] macro path

[Steve MC Han]

Hi, thank you for your response: By comparing a sucseesful execution and a failure execution I suspect that somehow the path might have been screwed up.
   
  This is sucessful execution:
  <<mpost --tex=latex 2ms1
This is MetaPost, Version 0.993 (Web2C 7.5.6)
(2ms1.mp [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11{c:/TexLive2007/texmf-
var/fonts/map/dvips/updmap/psfonts.map}] [21] [22] [31] [32] )
16 output files written: 2ms1.0 .. 2ms1.32
Transcript written on 2ms1.log.>>
   
  As you can see that in the middle of  [11], it looked up c:/TexLive2007/texmf-var/fonts/map/dvips/updmap/psfonts.map and finish up the rest execution.
   
   
  and this is a failure:
  <<mpost --tex=latex 2ms3
This is MetaPost, Version 0.993 (Web2C 7.5.6)
(2ms3.mp [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]makempx: Command failed: la
tex mpxerr.tex; see mpxerr.log
  >> 2ms3.mp
>> 2ms3.mpx
! Unable to make mpx file.
l.156 label.lft(btex
                     $A$ etex, z8);
11 output files written: 2ms3.0 .. 2ms3.10
Transcript written on 2ms3.log.>>
   
  But here, in the middle of [10], somehow it couldnot find the right path and produce an error message "makempx: Command failed: latex mpxerr.tex; see mpxerr.log"
   
   
   
   
   
   
  
nicola <vitacolo at dimi.uniud.it> wrote:
  In article 
<6faad9f00703260425w16525f20v759c5569c388a810 at mail.gmail.com>,
"Mojca Miklavec" wrote:

> On 3/25/07, Steve MC Han wrote:
> > Hi, I have trouble with metapost. Could someone give some insight for this?
> >
> > This is the error message.
> >
> > <> > l.78 label.bot(btex
> > $\hbox{\sf Rectangle}$ etex, (0,-.6u));
> > 6 output files written: 2MS4.1 .. 2MS4.8
> > Transcript written on 2MS4.log.>>
> >
> > So, I tried set the path straight by typing "c:\TexLive2007\bin\win32" at
> > command prompt, it magically worked. But with different file, I still have
> > trouble with similar error message. This time, even with set path like
> > above, it didn't work.
> >
> > <> > This is MetaPost, Version 0.993 (Web2C 7.5.6)
> > (2MS3.mp [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]makempx: Command
> > failed: la
> > tex mpxerr.tex; see mpxerr.log
> > >> 2MS3.mp
> > >> 2MS3.mpx
> > ! Unable to make mpx file.
> > l.156 label.lft(btex
> > $A$ etex, z8);
> > 11 output files written: 2MS3.0 .. 2MS3.10
> > Transcript written on 2MS3.log.>>
> >
> > This trouble started after I did "mptopdf". At first, mptopdf didn't create
> > pdf files even thoufgh there was no error message. So, by consulting Contex
> > conversion to pdf manual
> >
> > http://tex.aanhet.net/context/mirror/general/sources/mptopdf.pdf
> >
> > I typed "pdftex --ini mptopdf" at prompt command and after that it produced
> > pdf files but now mpost didn't work with the above error message. I think
> > path
> >
> > c:/TeXLive2007/texmf-var/fonts/map/dvips/updmap/psfonts.map
> >
> > is screwed up somehow.
> 
> The mechanism has been changed heavily in May 2006 (before that, the
> old mechanism sometimes didn't recognize ConTeXt properly), so I was
> finally glad that it worked as it should. But no LaTeX user has ever
> upgraded ConTeXt before TeXLive 2007 came around. I used mptopdf, but
> it never came to my mind to try it with the latex switch.
> 
> In the long term it should really be fixed, but as a temporary
> workaround you should be able to convert files without the latex
> switch. If you need some special settings (a special font or whatever
> else), please post some concrete example. You can just delete
> everything latex-related and safely use ConTeXt command with mptopdf
> (which really shouldn't be much different).
> 
> I'm really sorry for the inconvenience ...
> 
> See also http://www.ntg.nl/pipermail/ntg-context/2007/023050.html
> 
> Mojca
> 
> 
> A minimal example for Hans:
> 
> verbatimtex
> %&latex
> \documentclass[12pt,a4paper]{article}
> \begin{document}
> etex
> 
> beginfig(1);
> draw btex $A$ etex;
> endfig;
> end.
> 
> (perhaps it would make sense to add a note on
> http://www.tug.org/texlive/bugs.html)

Just to mention that last weekend I have posted a similar problem in 
gmane.comp.tex.context (maybe this mailing list is better for questions 
related to mptopdf?):

http://thread.gmane.org/gmane.comp.tex.context/33948

>From what I have read above, I deduce that mptopdf should not be used 
with %&latex (at least for now), but I would be glad if someone could 
answer the questions of my other message, because I am a bit confused 
(after all, mptopdf does call mpost, right?).

One reason why I would use mptopdf with LaTeX is to include images with 
externalfigure and to add labels with LaTeX-specific features (e.g., 
symbols in mathrsfs or yfonts packages). Is there a better way to do 
that?

Nicola

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