[OS X TeX] a (q)tree upside-down

[Alan Munn]

At 12:19 PM +0200 9/16/06, Florian Grammel wrote:
>Dear all,
>
>I've successfully (mis)used qtree to include 
>some simple genealogy (descendants of Š) into my 
>document.
>
>Now I would need another chart, that displays 
>the _ancestors_ of a person. I don't have to do 
>anything complicated, just one man and the 
>connection to one of his great-grandfathers on 
>each side. A simple two-branched tree like this 
>can be made with any of the many (linguist) 
>tree-packages that I've looked at, but I 
>couldn't find any, that allows me to put the 
>node at the bottom of the tree.

Here's a quick solution using qtree. I don't know 
of one that is tailor made.  It uses the rotating 
pacakge to turn the tree and defines a command to 
rotate the text in the tree separately. Since I 
don't know exactly what your genealogical trees 
look like I just turned a simple linguistic tree 
upside down.  The output is not perfect, since 
there are some spacing issues that differ from 
the non-rotated tree as you can see when you 
LaTeX the example.

The PSTricks web page has a number of examples of 
genealogy trees using pstricks (which is much 
more powerful than qtree, which was designed 
specifically as a good tradeoff between ease of 
input and quality of tree for linguistics.) 
Here's a link: 
http://www.tug.org/PSTricks/main.cgi?file=Examples/Genealogy/genealogy

Alan


\documentclass[11pt]{article}

\usepackage{rotating}
\usepackage{qtree}

%The following defines a command to rotate the text in a tree
\newcommand{\RT}[1]{\rotatebox{180}{#1}}

\begin{document}

\begin{rotate}{-180}
\Tree [.\RT{NP} [.\RT{NP} \RT{John} ] \RT{and} [.\RT{NP} \RT{Mary} ] ]
\end{rotate}

% The unrotated tree looks slightly different

\Tree [.NP [.NP John ] and [.NP Mary ] ]

\end{document}

-- 
Alan Munn 
amunn at msu.edu
Department of Linguistics                             
and Germanic, Slavic, Asian and African Languages   Fax.  +1-517-432-2736
Michigan State University, East Lansing MI 48824       Tel.  +1-517-355-7491
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