Difference between revisions of "Posting on arxiv.org"
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Revision as of 03:15, 17 April 2007
What is arxiv.org
http://arxiv.org is the worldwide, open-access physics preprint server. It is the primary means of scholarly communication in many subfields of physics, and now includes subfields of mathematics and computer science. It has roughly 500,000 articles.
Why should ConTeXt users care about this page?
http://arxiv.org uses plain TeX or LaTeX as the preferred source format for submitting documents. When you request PDF, PS, or DVI format, the system, which now (April 2007) runs a modified teTeX 3 distribution, generates it automatically from the source.
But the system does not run ConTeXt in the same automatic way. So you have to generate the PS format yourself and submit that. If that were the whole story, you'd be done. However, you would like the benefit of arxiving, sorry archiving the source code that plain TeX or LaTeX users get. So you need a way to submit the source code along with your PS file, in a way that the arxiv.org automatic system does not reject.
You can imagine that with 500,000 or so documents, with thousands added every month, that the submission process has to be as automatic as possible in order to keep the costs per article low. And the low per-paper cost, one or two orders of magnitude lower than the cost of traditional journals, allows the system to provide the articles for free.
So this page describes how to submit your ConTeXt document along with its source.
For the impatient, look at http://www.arxiv.org/abs/0704.1854 containing a working example. It is licensed under the GNU GPL free-software license, so you can use it as a basis for your own submission.
Otherwise, here are the details.
The arxiv.org system will accept a PDF file but only unaccompanied. So for now you cannot submit a PDF file along with the source. Instead, you need to submit PS. The PS-submission subsystem does accept other files, ideally placed in a subdirectory.
The admins say that this situation is an oddity in their system, but not one that they can fix easily or soon (except, I suppose, by making the PS submission be like the PDF one!).
Prepare the PostScript
Write your document! Let's say that it's called document.tex and uses two EPS figures generated from the MetaPost file fig.mp. Generate document.ps using
mpost fig.mp texexec --dvi --nobackend document.tex dvips -Ppdf document.dvi -o document.ps
The -o is to work around stupid dvips configurations that send the output to lpr by default.
The arxiv.org system will automatically generate PDF from the PS using ghostscript, so test that ps2pdf (a wrapper around ghostscript) on document.ps produces a working PDF file.
View document.ps to check that any TeX-generated labels in the MetaPost figures come out in the correct font. If they look like Courier, then the font embedding isn't right. The -Ppdf is to make sure that the correct fonts are embedded into the PS file, but if that didn't work, ask for help on the mailing list!
Prepare the upload file
Make a directory src/ with document.tex and fig.mp. Then make a .tgz file for uploading. I usually call it arxiv.tgz. It is produced from this file structure:
document.ps src/ fig.mp document.tex
The command to produce the tgz file:
tar -czvf arxiv.tgz document.ps src/
If all is well, upload arxiv.tgz as your submission using the usual arxiv.org submission or replacement procedure. Ideally you'll do step 4 an hour before the 4pm (US Eastern) weekday deadline, so that you get back in time the submission date and preprint number from arxiv.org for step 5. Then you have time for the next steps.
Incorporate the date and preprint number
Incorporate the preprint number (or URL) and submission date into your document and produce an arxiv stampline along the left margin on the first page. Then remake document.ps and arxiv.tgz, and replace the previous submission with the new arxiv.tgz. This stampline is most easily placed using layers, and the http://www.arxiv.org/abs/0704.1854 document is an example.
For automatically processed source formats (plain TeX and LaTeX), you can avoid this incorporation step by using magic strings in the source file, and the automatic system will translate those into the preprint number and date. However, we as ConTeXt users are (with these directions) faking the behavior of that system, so we get the info ourselves and incorporate it.
Check that all is well
Check that the PS and PDF look fine. For example, check that the fonts in the MetaPost figures look right.
Then sit back and relax, knowing that you've contributed to the open-access commons.
Generating document.ps and arxiv.tgz from the source files is a process best done by a computer. And that is best done by a Makefile. See http://www.inference.phy.cam.ac.uk/sanjoy/teaching/tex/ for how to use the make program for documents. And see http://www.arxiv.org/abs/0704.1854 for a ConText document that uses a Makefile.