[Xy-pic] Thick lines in pdflatex

Ross Moore ross at ics.mq.edu.au
Tue Jul 22 05:41:58 CEST 2003

Hi Till,

On Sat, 12 Jul 2003, Till Mossakowski wrote:

> Hi,
> Is it possible to typeset thick lines, e.g. as in
> \xymatrix{A \ar@{-->}@*{[|(1.8)]}[r]^{B} & C}
> with PdfLaTeX?
> (The thicker lines seem to work only with the [ps,dvips]
> option, but not with PdfLaTeX).

That is correct.
Sorry, the work to do this for the PDF driver has not been done yet.
It needs a full implementation of drawing lines an arrow-tips in PDF
(akin to the xyps driver).
Unfortunately some of the vital programming features of PostScript
that are used by Xy-pic in the xyps driver, cannot be translated
easily into PDF.

So your best options to get PDF of the diagrams that you want are:

 A.  Use  dvi -- dvips ---> PS --- Ghostscript -->  PDF
     for the whole document;

 B.  Typeset the diagrams as separate graphics, then use dvips -E
     to encapsulate them; convert to PDF using Ghostscript
     then import the resulting graphic into your document.

     In the long run, option B may actually save time, as you do
     not need to rebuild the Xy-pic diagram on every LaTeX run of
     your full document.

Hope this helps,

	Ross Moore

> Greetings,
> Till
> --
> Till Mossakowski               Phone +49-421-218-4683
> Dept. of Computer Science      Fax +49-421-218-3054
> University of Bremen           till at tzi.de
> P.O.Box 330440, D-28334 Bremen http://www.tzi.de/~till
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