SpatialRugs: Enhancing Spatial Awareness of Movement in Dense Pixel Visualizations
J. Buchmüller, U. Schlegel, E. Cakmak, E. Dimara, D. A. Keim
EuroVis Workshop on Visual Analytics (EuroVA), 2020Collective Movement
Compact visual summaries of spatio-temporal movement data often strive to express accurate positions of movers. We present SpatialRugs, a technique to enhance the spatial awareness of movements in dense pixel visualizations. SpatialRugs apply 2D colormaps to visualize location mapped to a juxtaposed display. We explore the effect of various colormaps discussing perceptual limitations and introduce a custom color-smoothing method to mitigate distorted patterns of collective movement behavior.
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