Ceiba

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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Project Samples

Screenshot of Ceiba displaying a small phylogeny of birds in 3D layout. Bird images were obtained from the University of Arizona Museum of Natural History digital archive. Large image cube on left displays images from four species contained within the subtree at that node. Translucent cube on right displays a subtree with its image box minimized and its tree rendered, with image cube displayed for its leaves.

"Fan" layout for a tree with 839 leaves.

Trees and subtrees with image boxes for orders of angiosperms found in Arizona (USA)

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