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Bioinformatics. 2007 Dec 15;23(24):3384-5. Epub 2007 Sep 24.

TreeSnatcher: coding trees from images.

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Center for Integrative Bioinformatics Vienna, Max F. Perutz Laboratories, Dr-Bohr-Gasse 9/6, A-1030 Vienna, Austria.


TreeSnatcher is a GUI-driven JAVA application for the semi-automatic recognition of multifurcating phylogenetic trees in pixel images. The program accepts an image file as input and analyzes the topology and the metrics of a tree depicted. The analysis is carried out in a multiple-stage process using algorithms from image analysis. In the end, TreeSnatcher produces a Newick tree code that represents the tree structure optionally including branch lengths. TreeSnatcher can process trees with 100 leaves or more in a few seconds.


TreeSnatcher was developed in JAVA under Mac OS X and is executable on UNIX/Linux, Windows and Mac OS X systems. The application and its documentation can be freely downloaded from

[Indexed for MEDLINE]

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