The ST-Vis Tool for SpatioTemporal Visualization

  • Ana Paula S. Braatz Vieira
  • Rafael S. João
  • Luciana A. S. Romani
  • Marcela X. Ribeiro
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 738)

Abstract

Analyzing and understanding spatial data that vary over time is a complex task. Usually, the data is arranged in a tabular or text forms. We develop the ST-Vis (SpatioTemporal Visualization) tool to provide a visual representation of spatiotemporal data, which must help users to understand a temporal variation in a region when combining the parallel coordinates graph with a geographic map, a temporal texture, and a table. The temporal texture maps the linear form of the variation of the Normalized Difference Vegetation Index (NDVI), resulting in a representation of colors texture, and each texture cell refers to a period. ST-Vis provides a simultaneous spatiotemporal representation of data, and the visualizations interact with each other through animations. We evaluated ST-Vis by interviewing some domain experts, computer science, and other field students, who experienced ST-Vis tool. The results show that ST-Vis allows the understanding of spatiotemporal data through the generated visualizations. This tool simultaneously displays visualizations, which have interactions with each other through animations.

Keywords

NDVI Parallel coordinates Spatial data Temporal data Temporal texture 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Ana Paula S. Braatz Vieira
    • 1
  • Rafael S. João
    • 1
  • Luciana A. S. Romani
    • 2
  • Marcela X. Ribeiro
    • 1
  1. 1.Federal University of São Carlos (UFSCar)São CarlosBrazil
  2. 2.Embrapa Agricultural InformaticsCampinasBrazil

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