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Computing  LaTeX (compare)

Difference: LaTeX (r5 vs. r4)


Letter and A4 paper

Europe and the US use different paper sizes. A lot of the Latex software and other open source document processing software is packaged in Europe and defaults to A4 paper. Often times when processing a Latex file on a new machine, the margins are messed up. If the bottom margin has moved by about 1" the problem is surely related to an A4 vs. letter paper switch. It is not unusual to find a document that has margin definitions that are setup to compensate for a mismatch of A4 processing and letter paper printing.

Looking at the top of a postscript file, you see a line like this for letter paper:

%%BoundingBox: 0 0 612 792

for A4 documents, the bounding box is:

%%BoundingBox: 0 0 596 842

Dividing by the unit of measurement in Postscript (72 per inch) we see that letter paper is 8.5x11" and A4 is 8.28x11.69".


For the dvips package, the default layout is specified in the file config.ps located at /usr/share/texmf/dvips/config/config.ps in the widely used texmf package on Linux.

You can manually specify letter pager to dvips with the -t letter switch:

$ dvips -t letter

In config.ps, simply move the letterSize statement for 8.5 x 11 ahead of the A4 statements, so it looks like:

@ letterSize 8.5in 11in
@+ ! %%DocumentPaperSizes: Letter

@ A4size 594.99bp 841.99bp
@+ ! %%DocumentPaperSizes: a4
@+ %%PaperSize: A4

@ letter 8.5in 11in
@+ ! %%DocumentPaperSizes: Letter
@+ %%BeginPaperSize: Letter
@+ letter
@+ %%EndPaperSize

I also comment out the printer output statement so it is no longer the default:

%o |lpr

-- TomRockwell - 26 Sep 2006

config.pspsconfig.psmanage 3.5 K 26 Sep 2006 - 03:20TomRockwell Dvips config file for letter paper
config.ps.txttxtconfig.ps.txtmanage 3.5 K 26 Sep 2006 - 03:22TomRockwell Dvips config file for letter paper

Revision r5 - 16 Oct 2009 - 20:15 - TomRockwell
Revision r4 - 13 Oct 2009 - 20:48 - ChipBrock
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