[pstricks] displaying parts of tree in beamer with pstree

[A. Erhardt]

Hello, Pstrickers,

I keep learning interesting stuff just by being subscibed to the list and reading the contributions
which are of interest for me.

The treestuff with beamer interests me very much,  so I pdfLatexed Herbert Voss's text below.
Surprisingly, I got some black pages (enclosed please find the *.tex and the pdf document).
Sounds like some outdated packages. I am using Miktex2.6 (not yet ready to convert to Miktex2.7!)

Any ideas anybody?
Thanks in advance
Angelika Erhardt



> Florian Ederer schrieb:
> 
> > I am trying to use pstree in beamer such that subtrees are displayed 
> > only later on. I have drawn the trees but now I want to unravel them 
> > such that I first show the first branches and then the lower branches. I 
> > tried a few commands (\only etc.) but it didn't work.
> 
> \only didn't reserves the "unseen" space
> 
> > In particular, I want to display the root and nodes 1-4 in the first 
> > part. Then when I click I want to display nodes 1.1-1.4, then another 
> > click for nodes 2.1-2.4 and so on.
> 
> \documentclass[10pt,dvips,notes=hid]{beamer}
> \usepackage{pst-tree}
> 
> \begin{document}
> 
> \begin{frame}
> \frametitle{Title}
> \begin{center}
> \pstree[treemode=R,linewidth=0.4pt,treesep=0.3,levelsep=4.5,nodesep=2pt]{\TR{root}}
>      {
>      \pstree[nodesep=2pt]{\Tr{node 1}^{branch 1}}
>          {\uncover<2->{%
>          \Tr{\tiny node 1.1}
>          \Tr{\tiny node 1.2}
>          \Tr{\tiny node 1.3}
>          \Tr{\tiny node 1.4}
>          }}
>      \pstree[nodesep=2pt]{\Tr{node 2}^{branch 2}}
>          {\uncover<3->{%
>          \Tr{\tiny node 2.1}
>          \Tr{\tiny node 2.2}
>          \Tr{\tiny node 2.3}
>          \Tr{\tiny node 2.4}
>          }}
>      \pstree[nodesep=2pt]{\Tr{node 3}_{branch 3}}
>          {\uncover<4->{%
>          \Tr{\tiny node 3.1}
>          \Tr{\tiny node 3.2}
>          \Tr{\tiny node 3.3}
>          \Tr{\tiny node 3.4}
>          }}
>      \pstree[nodesep=2pt]{\Tr{node 4}_{branch 4}}
>          {\uncover<5->{%
>          \Tr{\tiny node 4.1}
>          \Tr{\tiny node 4.2}
>          \Tr{\tiny node 4.3}
>          \Tr{\tiny node 4.4}
>          }}
>      }
> 
> \end{center}
> \end{frame}
> \end{document}
> 
> 
> Herbert
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> 


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