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Published byBlake Harvey Modified over 6 years ago
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Interactive Parallel Coordinate Visualization Tools
David E. Rosenberg Castalletti Research Group Meeting Milan, Italy November 5, 2014 CAREER Grant #
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Overview Alternative generation Visualization Interaction Demos
Next steps Help managers find near-optimal alternatives that they prefer to the optimal solution
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1. Alternative Generation
Full extent of near-optimal region Stratified sampling strategy Won’t go into specifics For high dimensional problems, need parallel coordinates to show!
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2. Parallel Coordinate Visualization
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3. Interaction Control rendering Generate new alternatives
View values Highlight traces Reorder axes & Ramp color Generate new alternatives With specified characteristics Streamline process to add Constraints Objectives Save/load data + settings
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4. Demo Phosphorus removal in Echo Reservoir, Utah
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Problem Specifics (Alminagorta et. al, 2013) Pending TMDL in 2006
Decide BMP implementation levels (biws) to Minimize costs Pending TMDL in 2006 Non-point source load reduction of 8,067 kg/year 10 potential BMPs (i) 3 sources (s) 3 sub-watersheds (w) 90 decisions!! Such that Define phosphorus removed, Phosphorus reduction targets achieved, Available resources to implement BMPs, Remove no more than the existing load, and Non-negative variable values (Alminagorta et. al, 2013)
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5. Continuing Work Lower Bear River, USA
Ecological performance criteria Extend to non-linear problems Solicit + test water managers’ reactions
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Take home points New tools Find preferred near-optimal alternatives
Alternative generation Parallel coordinate visualization Interaction Find preferred near-optimal alternatives Water supply, quality, single & multi-objective applications Many avenues for further work
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Further Information Code, Documentation, Model data, Examples
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