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ETE is a python programming toolkit that assists in the automated manipulation, analysis and visualization of any type of hierarchical trees. This includes phylogenetic trees, clustering results and profile-based trees. It supports node annotation, programatic tree drawing, circular visualization, SVG, PNG and PDF image rendering, and more!
http://ete.cgenomics.org
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alxndrsPittis/ete
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The Environment for Tree Exploration (ETE) is a Python programming toolkit that assists in the automated manipulation, analysis and visualization of phylogenetic trees (although clustering trees or any other tree-like data would, in principle, supported). ETE is built as a Python library, thus providing the methods to operate with trees within your own python programs. ETE is developed as a tool for researchers working in phylogenetics and genomics. If you use ETE in a published work, please cite: :: Jaime Huerta-Cepas, Joaquín Dopazo and Toni Gabaldón. ETE: a python Environment for Tree Exploration. BMC Bioinformatics 2010, 11:24. DESCRIPTION **************** Supported Tree Formats: ======================== Currently, the following tree data formats are supported, both for reading and writing trees: - Newick (including several sub-types) - Extended Newick / New Hampshire Extended (NHX) - PhyloXML - NeXML Tree operations: ================ With ETE, trees are loaded as a succession of TreeNode objects connected in a hierarchical way. Each TreeNode instance contains methods to operate with it independently. This is, although the top-most TreeNode instance represents the whole tree structure, any child node can be used independently as a subtree instance. Available (per node) operations include: - Iteration over descendant or leaf nodes. - Tree traversing: post-order, pre-order, level-order- - Search (descendant) nodes by their properties. - Root / Unroot - Calculate branch-length and topological distances among nodes. - Node annotation (add custom features and properties to nodes) - Automatic tree pruning - Tree structure manipulation (add/remove parent, children, sister nodes, etc.). - Newick and extended newick (including annotations) conversion - shortcuts and checks: "len(Node)", "for leaf in Node", "if node in Tree", etc. Tree Visualization: =================== A programmatic tree rendering engine is fully integrated with the Tree objects. It allows to draw trees in both rectangular and circular modes. The aspect of nodes, branches and other tree items are fully configurable and can be dynamically controlled (this is, certain graphical properties of nodes can be linked to internal node values). Trees can be visualized interactively using a built-in Graphical User Interface (GUI) or exported as PNG images or SVG/PDF vector graphics images. Phylogenetic Trees: =================== ETE is not a phylogenetic reconstruction program, as it only provides methods to load, analyze and manipulate phylogenetic results. Thus, a PhyloTree instance is provided, which extends the standard Tree functionality with phylogenetics related methods. Most notably: - Link trees with Multiple Sequence Alignments (MSAs). - Automatic detection of species codes within family gene-trees - Node monophyly checks. - Orthology and paralogy detection based on tree reconciliation or species overlap. - Relative dating of speciation and duplication events. - Combined visualization of trees and MSA. - Integrated with the phylomeDB database Full info and documentation can be found at: http://ete.cgenomics.org
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ETE is a python programming toolkit that assists in the automated manipulation, analysis and visualization of any type of hierarchical trees. This includes phylogenetic trees, clustering results and profile-based trees. It supports node annotation, programatic tree drawing, circular visualization, SVG, PNG and PDF image rendering, and more!
http://ete.cgenomics.org
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