I got this horizontal tree code from  Herbert Voss' homepage and I tried to 
transform it into a vertical one.

\newcommand{\Itemf}[1]{\Tr[ref=l]{% 
\psframebox[linestyle=solid]{#1}}}
\renewcommand{\psedge}{\ncangle} 
\psset{xbbd=1.5cm,treemode=R,angleB=180,angleA=-00,levelsep=72pt} 
\pstree{\Itemf{Grandma}} {% 
\Itemf{Uncle}% 
\Itemf{Uncle}% 
\Itemf{Aunt}% 
{\pstree{\Itemf{Father}}{% 
\Itemf{Me}\Itemf{You}}}}

I changed line 4 into 
"\psset{xbbd=1.5cm,treemode=D,angleB=90,angleA=-90,levelsep=72pt} " 
(by trial and error) and it worked exept that the nodes were all on the left 
of the boxes instead of middle top/bottom

what is missing?


and what does the argument xbbd=1.5cm? 
I didn't see any changes while changing it...

Thanx           Alexis

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