# [Xy-pic] Using line styles extension with pdftex

Armin Goralczyk agoralczyk at gmail.com
Mon Aug 22 20:11:00 CEST 2005

```Hi

I want to use line styles extension with pdflatex, but pdflatex seems
not to be an appropriate backend for line styles extension. Is there
any other possibility to change line styles when using pdflatex? I
use xypic to draw arrows onto graphics, but if the graphics are
large, the arrows are not thick enough. My graphics are all jpg, pdf
or png, so I need to use pdflatex (it is also the standard in
distributions for Mac OS X). Any suggestions?

Also I have encountered some problems with \color{white} command in
the xy environment. Depending on where I put it it changes output
significantly. I haven't recognized a pattern yet and I didn't find
anything in the xypic reference that would explain such behaviour. If
needed I can provide a minimal example.