\PtToCm contains assignments, so it won't expand. Here is a macro
that does basically the same, but in a different order.
\def\writepapersize{%
\begingroup
\dimen0 0.0351459804\paperwidth % 2.54/72.27
\dimen1 0.0351459804\paperheight
\special
{papersize={\withoutpt\the\dimen0 cm,\withoutpt\the\dimen1 cm}%
\endgroup
}
Taco
Tobias Burnus wrote:
Hello,
Peter Münster wrote:
On Fri, 27 May 2005, Tobias Burnus wrote:
Should be e.g. for "A4" \special{papersize=210mm,297mm} and for "A5"
\special{papersize=148mm,210mm}.
If I add this, it actually seems to work here. I failed to create
something which obtains the papersize automatically.
Ok, the following works:
\special{papersize=\the\paperwidth,\the\paperheight}
It puts (for \setuppapersize[letter][letter]) the following into the DVI
file (dvips -d3 test2.dvi 2>&1 |grep special):
papersize=614.295pt,794.96999pt which gv shows as letter.
Having the right unit (as defined in page-lay.tex, i.e. 148mm×210mm for
A5, 8.5in×11in for letter etc.) would be probably better, but this works.
Yes, that's the problem. I tried
\special{papersize=\paperwidth,\paperheight}
That expands to:
papersize=\paperwidth ,\paperheight
which dvips cannot digest.
and
\special{papersize=\PtToCm{\paperwidth},\PtToCm{\paperheight}}
Whereas that expands to
papersize=\begingroup \scratchdimen \paperwidth \relax \scratchdimen
0.0351459804\scratchdimen 0.0cm\endgroup ,\begingroup \scratchdimen
\paperheight \relax \scratchdimen 0.0351459804\scratchdimen 0.0cm\endgroup
<cmr12.pfb>[1Processing special: papersize=\begingroup \scratchdimen
\paperwidth \relax \scratchdimen 0.0351459804\scratchdimen
0.0cm\endgroup ,\begingroup \scratchdimen \paperheight \relax
\scratchdimen 0.0351459804\scratchdimen 0.0cm\endgroup
still something dvips cannot digest.
I have to admit, I actually fail to expand
\special{papersize=\PtToCm{\the\paperwidth},\PtToCm{\the\paperheight}}
correctly. It always ends up as \begingroup ... in the DVI file (i.e. as
above with \paperheight|weight replaced by its numerical value).
Tobias
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