olduvai / accordion drawing olduvai.sf
DESCRIPTION
Olduvai / Accordion Drawing http://olduvai.sf.net. Tamara Munzner, James Slack, Kristian Hildebrand University of British Columbia. TreeJuxtaposer. Visualization of phylogenetic trees Interactive comparison of several trees with over one million nodes Focus + Context Guaranteed visibility - PowerPoint PPT PresentationTRANSCRIPT
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Olduvai /Accordion Drawing
http://olduvai.sf.net
Tamara Munzner, James Slack, Kristian Hildebrand
University of British Columbia
![Page 2: Olduvai / Accordion Drawing olduvai.sf](https://reader035.vdocuments.net/reader035/viewer/2022062308/5681322c550346895d988a7f/html5/thumbnails/2.jpg)
TreeJuxtaposer
Visualization of phylogenetic trees
Interactive comparison of several trees with over one million nodes
Focus + Context Guaranteed visibility User-defined groups Searching
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Focus+Context
Display large datasets using scalable drawing techniques
Stretch interesting details, smoosh surroundings
Interaction uses a rubber sheet with tacked down borders approach
Never push nodes off-screen Never lose track of marked groups
of interest
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User-Defined Groups
A group is a forest of color identified nodes
Select nodes or subtrees for group inclusion
Guranteed visibility of groups Marked groups drawn
even when small
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Text based search, reduce search results as you type Search for nodes of interest with mouse
Searching
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Tree Comparison
Using our Best Corresponding Node (BCN) algorithm: Mouse-over highlighting Simultaneous tree
navigation Group selection across
trees
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SequenceJuxtaposer Navigation and comparison of biomolecular sequences Aligned sequences shown horizontally Same rubber sheet interaction metaphor as TreeJuxtaposer Browse large collections of sequences of 30 million nodes Differences in aligned columns are highlighted Motif searching Visualize annotations
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Differences
Difference threshold assists in determining aligned nucleotides, shows possible strong phylogenetic signals
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Searching
Motif searching Matching bases are marked as landmarks and are
guaranteed to be visible
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Annotations
Include annotations to understand sequences
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Webpage
Olduvai online: http://olduvai.sf.net