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From: Rodolfo Medina <rodolfo.medina@gmail.com>
Subject:  Editing CM source files
Date:  Wed, 11 Apr 2007 16:36:14 +0200
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Hi.

I wanted to edit cmr12.mf to see what happens.
So I copied the original file into a work directory, changed its name and ran
metafont on it:

 $ mf
   \mode=localfont; input my-cmr12

 $ gftopk my-cmr12.2602gf

. Then, in my-file.tex I put:

\font\myfont=my-cmr12

\myfont

Hallo

\vfill\eject\end

, and then I do:

 $ tex my-file

. Now, the changes I do in my-cmr12.mf seem to produce no effect at all in the
my-file.dvi output file.  For example, if I change the 12pt size into 50pt, in
dvi file the characters are always 12pt small.

Can anyone explain why?  What am I missing?
Please pardon the basicness of the question.

Thanks,
Rodolfo


From - Wed Apr 11 17:20:19 2007
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Date: Wed, 11 Apr 2007 17:20:01 +0200 (CEST)
From: Laurence Finston <lfinsto1@gwdg.de>
To: Rodolfo Medina <rodolfo.medina@gmail.com>
cc: metafont@ens.fr
Subject: Re: [metafont] Editing CM source files
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On Wed, 11 Apr 2007, Rodolfo Medina wrote:

> 
> I wanted to edit cmr12.mf to see what happens.
> So I copied the original file into a work directory, changed its name and ran
> metafont on it:
> 
>  $ mf
>    \mode=localfont; input my-cmr12
> 
>  $ gftopk my-cmr12.2602gf
> 

I have done this sort of thing before, but it's been quite awhile.

Put this or something like it at the top of my-cmr12.  You don't need to put it 
in the command line:

localfont:=ljfour;
mode:=localfont;
mode_setup;

Make sure it doesn't reset `mode' afterwards.

`ljfour' is defined on my system.  The alternative is `cx'.  
These values are defined in some file or other that's part of
your METAFONT installation.  They refer to device resolutions.
You may have to use `grep' to find them, unless someone else here 
knows off-hand.  On my system, `ljfour' is for 600 dpi (dots per inch) 
fonts and `cx' is for 300 dpi.  300 dpi is probably as obsolete as
the horse-and-buggy.

2602 is the resolution for proofsheets.  I believe the utility for examining them
is called `gftodvi'.  They look like the illustrations in _The METAFONTbook_.

> . Then, in my-file.tex I put:
> 
> \font\myfont=my-cmr12
> 
> \myfont
> 
> Hallo
> 
> \vfill\eject\end
> 
> , and then I do:
> 
>  $ tex my-file
> 

If you succeed in generating `my-cmr12.300gf' and converting it to `my-cmr12.300pk',
(or `my-cmr12.600gf' and `my-cmr12.600pk'),
it seems to me that this should work.  You could also add `gf', `pk', `tfm', 
and `src' (source) subdirectories in your current directory and put the 
various files into the appropriate subdirectories.  I believe the only
ones that are needed are the `tfm' and `pk' files, unless you try to load the
font at a different size and/or magnification and `Kpathsea' needs to try 
to generate it.  You could also put the fonts in another directory where 
Kpathsea, MF, and/or TeX can find it.  One used to use a `texmf.cnf' file 
for this purpose.  I believe this still works on my system, but this 
information may also be out-of-date.

Don't lose heart.  What you want to do is possible, and shouldn't even be 
too difficult.  If necessary, I'll dust off my old files and give it a try.

Laurence Finston


From - Wed Apr 11 17:22:58 2007
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From: Laurence Finston <lfinsto1@gwdg.de>
To: Rodolfo Medina <rodolfo.medina@gmail.com>
cc: metafont@ens.fr
Subject: Re: [metafont] Editing CM source files
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On Wed, 11 Apr 2007, Laurence Finston wrote:

> On Wed, 11 Apr 2007, Rodolfo Medina wrote:
> 
> Make sure it doesn't reset `mode' afterwards.
> 

Actually, I think this would only matter if you called `mode_setup' again.  

Laurence

From - Wed Apr 11 17:53:54 2007
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To: Rodolfo Medina <rodolfo.medina@gmail.com>
cc: metafont@ens.fr
Subject: Re: [metafont] Editing CM source files 
In-reply-to: Your message of Wed, 11 Apr 2007 16:36:14 +0200.
             <87lkgzt1up.fsf@gmail.com> 
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Rodolfo Medina <rodolfo.medina@gmail.com> wrote:

> I wanted to edit cmr12.mf to see what happens.

is this the third, or only the second time i've read this post?

> So I copied the original file into a work directory, changed its name and ran
> metafont on it:
> 
>  $ mf
>    \mode=localfont; input my-cmr12
> 
>  $ gftopk my-cmr12.2602gf

if you've got a .2602gf, your mf ran in proof mode; it's unlikely that
any tex run is going to pick that up.

> . Then, in my-file.tex I put:
> 
> \font\myfont=my-cmr12
> 
> \myfont
> 
> Hallo
> 
> \vfill\eject\end
> 
> , and then I do:
> 
>  $ tex my-file
> 
> . Now, the changes I do in my-cmr12.mf seem to produce no effect at
> all in the my-file.dvi output file.  For example, if I change the 12pt
> size into 50pt, in dvi file the characters are always 12pt small.

presumably because tex and xdvi/dvips couldn't find your font, and ran
maketextfm or maketexpk (respectively) and used the output of that.

maketex* files aren't like makefiles: they don't even get called if the
font source changes.

so, you need to sort out your mode_setup; i think someone else has
already told you that.

i think the faq covers mode_setup.

From - Sun Apr 15 17:44:34 2007
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From: Rodolfo Medina <rodolfo.medina@gmail.com>
Subject:  Re: [metafont] Editing CM source files
Date:  Sun, 15 Apr 2007 17:44:28 +0200
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Rodolfo Medina wrote:

>>I wanted to edit cmr12.mf to see what happens.
>>So I copied the original file into a work directory, changed its name and ran
>>metafont on it:
>>
>>  $ mf
>>    \mode=localfont; input my-cmr12
>>
>>  $ gftopk my-cmr12.2602gf



Dan Luecking <luecking@uark.edu> writes:

> If localfont is a known mode, it should NOT produce a .2602gf
> file. It should instead produce a .300gf or .600gf (or even
> .1200gf) file. You should run gftopk on that NEW GF FILE.



Yes, it was my mistake: I did: `$ gftopk my-cmr12.600gf', as you say.

 
Rodolfo:

>>Now, the changes I do in my-cmr12.mf seem to produce no effect at all in the
>>my-file.dvi output file.  For example, if I change the 12pt size into 50pt, in
>>dvi file the characters are always 12pt small.



Dan:

> How do you change the size? Normally you would do this by changing
> all the size parameters defined in cmr12.mf. Changing the font_size
> command would have no effect. All it does is set the value of the
> parameter designsize.
>
> [...]
> 
> If you would like to test whether changes are occuring, you should
> try changing some parameter that has a visible effect, such as
> bar_height#, body_height# or slant.


In my-cmr12.mf I changed the line:

 body_height#:=324/36pt#;  % height of tallest characters

into:

 body_height#:=3240/36pt#;  % height of tallest characters

, with no effect either.
Any other hint?

Thanks,
Rodolfo


From - Sun Apr 15 19:51:52 2007
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I got some email lately from this list and would like to know how to unsubscribe.

Matthias Pospiech
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From - Mon Apr 16 13:24:20 2007
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From: Rodolfo Medina <rodolfo.medina@gmail.com>
To: "Matthias Pospiech" <Matthias.Pospiech@gmx.de>
Cc: metafont@ens.fr
Subject: Re: [metafont] Howto Unsubscribe
References: <20070415175140.219530@gmx.net>
Date: Mon, 16 Apr 2007 13:24:16 +0200
In-Reply-To: <20070415175140.219530@gmx.net> (Matthias Pospiech's message of
	"Sun, 15 Apr 2007 19:51:40 +0200")
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"Matthias Pospiech" <Matthias.Pospiech@gmx.de> writes:

> I got some email lately from this list and would like to know how to
> unsubscribe.



I think you should send a message to `sympa@ens.fr' with no subject and
`unsubscribe metafont' as body.

Rodolfo

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Date: Thu, 26 Apr 2007 23:03:32 +0200
From: Taco Hoekwater <taco@elvenkind.com>
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Subject: MetaPost 1.000 announcement
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The MetaPost team is happy to announce a new release of MetaPost:

----------------------------------------------------------------------
MetaPost 1.000
----------------------------------------------------------------------

The sources and a win32 package can be downloaded immediately from

   https://foudnry.supelec.fr/projects/metapost/

The source package should compile normally on all systems that are
capable of compiling a modern web2c-based TeX distribution.

The win32 package is intended for texlive or a similar web2c-based
installation, and has been tested only with TeXLive 2007. These
executables will *not* work for miktex, sorry.

Of course, we welcome any comments (either good or bad) that you may
have. Simply replying to this message is fine, but see the bottom of
the message for a more formal way to report bugs and feature requests.

----------------------------------------------------------------------
What is new in version 1.000:
----------------------------------------------------------------------

*  The use of DSC (document structuring) comments has been
    been cleaned up, thanks to comments by Michail Vidiassov.

*  By setting prologues to 2 or 3, you can ask MetaPost to
    reencode and include the used labels fonts in the output,
    thus creating proper Encapsulated PostScript files even
    if labels are present.

*  Support for greyscale and cmykcolor models is added.

*  The new drawing options "withprescript" and withpostscript"
    allow the user to attach PostSCript special text to a specific
    drawing object.

*  Setting the new internal "mpprocset" to 1 will make MetaPost
    create a somewhat extended preamble that defines shortcuts
    for the postscript commands (e..g "l" instead of "lineto").
    For big images, this can help shrink the output a bit.

*  The pool file is now integrated in the executable, so there
    is not separate 'mp.pool' anymore, except at build time.

*  Groff support is redone, and dmp now uses kpathsea searching.
    Groff related changes are thanks to the efforts of Werner
    Lemberg and Michail Vidiassov

*  makempx is now a compiled executable on all systems,
    thank you Akira Kakuto

*  The error for 'special's longer then 255 characters
    is removed, so specials can now be of any length.

*  There is new turningnumber implementation that attempts
    to find the mathematically correct "turningnumber" of a
    path. The formulae are derived from a mailinglist discussion
    between (especially) Dan Luecking and Giuseppe Bilotta.

*  The manual is updated and modernized. It is currently
    maintained by Stephan Hennig and Troy Henderson.


----------------------------------------------------------------------
Legal notice / license / bug reports
----------------------------------------------------------------------
MetaPost is a system for producing graphics developed by John Hobby
at AT&T, based on Donald Knuth's Metafont.  The MetaPost home page
is http://tug.org/metapost.

MetaPost and related programs are in the public domain.

The MetaPost development project is currently hosted at Supelec,
https://foundry.supelec.fr/projects/metapost; please report bugs and
request enhancements through there if possible. Alternatively, you
can reach us through the <metapost@tug.org> mailing list as well.

Have fun!

Taco Hoekwater, for the MetaPost team, April 26, 2007



From - Fri Apr 27 09:32:02 2007
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Date: Fri, 27 Apr 2007 08:27:24 +0200
From: Taco Hoekwater <taco@elvenkind.com>
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Subject: Re: [metapost] MetaPost 1.000 announcement
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Stephan Hennig wrote:
> Taco Hoekwater schrieb:
> 
>> ----------------------------------------------------------------------
>> What is new in version 1.000:
>> ----------------------------------------------------------------------
> 
> *  The output file naming scheme is configurable.

Right. I overlooked it (because it was already in 'CHANGES' for 0.920)

> (If this hasn't been removed as a last minute change. :)

No,no.

Best wishes,
Taco
(and sorry about that typo in the supelec URL)


