However:
The conventional visual mapping maps each data attribute onto a single visual channel
Purpose:
investigate composite visual mapping综合可视映射: mapping single data attributes onto several visual channels.
a valuable tool for understanding those relationships and patterns and eventually for problem solving and decision making
Introduction:
Visual Problem: It's a challenge to view all data and information in a limited screen space.
Supplementary knowledge:
1. horizon graph
Horizon Graph的提出是在SIGCHI 2009 [1].
[1] Heer, Jeffrey, Nicholas Kong, and Maneesh Agrawala. "Sizing the horizon: the effects of chart size and layering on the graphical perception of time series visualizations."Proceedings of the SIGCHI conference on human factors in computing systems. ACM, 2009.