The elements of graphing data
The visual display of quantitative information
The visual display of quantitative information
Visualization in Scientific Computing
Visualization in Scientific Computing
Visualization: The Second Computer Revolution
Visualization: The Second Computer Revolution
Improving the visualization of hierarchies with treemaps: design issues and experimentation
VIS '92 Proceedings of the 3rd conference on Visualization '92
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The flood of numeric data in science and technology has prompted new graphic representations called visualization. Business also has a serious need for new graphic representations. One candidate comes from the unlikely gray scale. Gray scale diagrams can present large amounts of quantitative information in a compact format. Hundreds of data points can easily be represented in one diagram, using small gray scale squares (or tiles), without visually overloading a viewer. An experiment was done to compare subjects' responses to answer questions from three types of charts, traditional column and line charts and gray scale tile charts. The results showed that questions were answered more correctly and more quickly using gray scale tile charts than using traditional charts. However, subjects reported they experienced more strain using gray scale tile charts.