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Visual Analytics for Roof Savings Calculator Ensembles

Chad Jones
University of California, Davis, USA
Joshua New
Oak Ridge National Laboratory, USA
Jibonananda Sanyal
Oak Ridge National Laboratory, USA
Kwan-Liu Ma
University of California, Davis, USA


Abstract
The Roof Savings Calculator (RSC) has been deployed for DOE as an industry-consensus, web-based tool for easily running complex building energy simulations. These simulations allow both homeowners and experts to determine building-specific cost and energy savings for modern roof and attic technologies. Using a database of over 3 million RSC simulations for different combinations of parameters, we have built a visual analytics tool to assist in the exploration and identification of features in the data. Since the database contains multiple variables, both categorical and continuous, we employ a coordinated multi-view approach that allows coordinated feature exploration through multiple visualizations at once. The main component of our system, a parallel coordinates view, has been adapted to handle large-scale, mixed data types as are found in RSC simulations. Other visualizations include map coordinated plots, high dynamic range (HDR) line plot rendering, and an intuitive user interface. We demonstrate these techniques with several use cases that have helped identify software and parametric simulation issues.

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Reference:Jones, C., New, J., Sanyal, J., Ma, K. (2012). "Visual Analytics for Roof Savings Calculator Ensembles," Proceedings > Proceedings of Energy Informatics . Sprouts: Working Papers on Information Systems, 12(5). http://sprouts.aisnet.org/12-5
Keywords:Visualization, Visual Analytics, Parallel Coordinate Plots, Linked-View Visualization, Computer Graphics Applications, Simulation and Modeling Validation and Analysis, Physical Sciences and Engineering
Item Type:Article - Volume 12 Article 5 (2012)
Language:English
Email: Chad Jones (cejjones@ucdavis.edu)
Joshua New (newjr@ornl.gov)
Jibonananda Sanyal (sanyalj@ornl.gov)
Kwan-Liu Ma (ma@cs.ucdavis.edu)

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