Ceiba is a program for visualization and navigation of large phylogenetic trees, and annotation of these trees with collections of images. By "large," I mean trees with 100 - 100,000 leaves and potentially the same number of images. "Images" refers to 2D digital photographic images and 3D surface models such as those obtained from CT scans of biological specimens. Ceiba is not a program for building phylogenies or analyzing comparative data. It is a program for tree visualization, exploration, and education. It provides interactive 3D and 2D tree layouts in a hierarchical display meant to ease navigation in potentially a very large and complex object, a phylogenetic tree.
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