[l2h] image generation problem

Ross Moore ross at ics.mq.edu.au
Mon Apr 25 05:43:26 CEST 2005

Hi Bob,

On 25/04/2005, at 9:24 AM, Bob van der Poel wrote:

>>> I'm not sure why this worked just fine with previous versions of 
>>> latex.
>> Probably the commands that  ldump.sty  uses to create the specialised
>> format file need to be changed for the later version of teTeX,
>> or maybe it's a question of where the  .fmt  file is placed.
> Well, we are getting closer. First of all I can confirm that all works
> (mostly) fine if the -ldump option is NOT used. So, that should
> eliminate the guessing about directory permissions, etc. The images are
> created and placed in the correct places. However, when I use -ldump I
> get the following printed to the screen:
> Writing image file ...
> This is TeX, Version 3.141592 (Web2C 7.5.4)
> ---! /usr/share/texmf-var/web2c/latex.fmt was written by pdfetex
> (Fatal format file error; I'm stymied)

This means that there is a mismatch between the TeX engine that
created  latex.fmt  and the TeX engine that you are running
for the current job...

> images.fmt failed, trying without it
> This is pdfeTeX, Version 3.141592-1.21a-2.2 (Web2C 7.5.4)

  ... which is now pdfeTeX.

So  ldump.sty  probably needs to be modified to be loading
  latex.efmt  instead of  latex.fmt ,
and then build on top of that for its specialised format
  ---  which may also need to be named with .efmt  as the
filename suffix.

> entering extended mode
> (./images.tex
> LaTeX2e <2003/12/01>
> Babel <v3.8d> and hyphenation patterns for american, french, german,
> ngerman, b
> ahasa, basque, bulgarian, catalan, croatian, czech, danish, dutch,
> esperanto, e
> stonian, finnish, greek, icelandic, irish, italian, latin, magyar,
> norsk, polis
> h, portuges, romanian, russian, serbian, slovak, slovene, spanish,
> swedish, tur
> kish, ukrainian, nohyphenation, loaded.
>  *** LaTeX produced no output ***
>  *** no new images can be created
>  *** Examine the  images.log  file.
> <END>
> Also, there is no file "images.fmt" created.
> Here is the actual command line extracted from the Makefile:
> latex2html -split +1  -dir html -no_math -no_footnode  -local_icons \
>                 -ldump -up_url ../mma.html -up_title "Main MMA
> Reference" \
>                  $(TARG).tex
> Under the previous system the .fmt file was created in the html
> directory. The permissions for that dir are:
> 	drwxrwxr-x  2 bob bob  8192 Apr 24 16:12 html/
> So, that should be okay.
> Maybe some tex-pert can figure out the "I'm stymied" message above :)

That's the easy part.
It means:
   "you asking asking me to use stuff that probably will not work
  anyway, due to some kind of mismatch, so I'm not even going to try".

The medium part is to find out what the corresponding resources are
now called, and where to find them in the TeX hierarchy.

The harder part is to adjust the various packages (ldump.sty)
and scripts (part of LaTeX2HTML) so as to recover the ability
to have it all work correctly, in a fully automated way.

>> Or maybe the variable in  texmf.cnf  isn't allowing the working
>> directory to be searched for formats.
> I just checked the texmf stuff and the various html files show in the
> ls-R file in my main texmf tree. So, that seems to be fine.
> Now, a second problem. Which may be related ... so I'm not starting a
> new thread. No matter what I do, none of my images are created as
> transparent. These are all images created from postscript files. They
> are black and white music notation snippets. The conversions insist on
> created a grey background with black notes/lines.

There is some history behind that, which I won't try to explain here.

You could try adding the following to your LaTeX preamble:


> I've looked at the docs, etc. but don't see anything to control that. 
> It
> should just happen, shouldn't it?

Transparency should work with .gif images, but may not with .png format.
This could be dependent upon which browser you use to view the HTML 

Hope this helps,

	Ross Moore

> -- 
> Bob van der Poel ** Wynndel, British Columbia, CANADA **
> EMAIL: bvdp at uniserve.com
> WWW:   http://mypage.uniserve.com/~bvdp
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Ross Moore                                         ross at maths.mq.edu.au
Mathematics Department                             office: E7A-419
Macquarie University                               tel: +61 +2 9850 8955
Sydney, Australia                                  fax: +61 +2 9850 8114

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