Authoring Graphic Scripts: Experiences and Principles

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Abstract
Two prototype graphic scripts illustrate a variety of design principles useful in composing narrative sequences of dynamic maps, statistical graphics, and text blocks. The correlation script examines the variation and covariation of two variables in both geographic and bivariate attribute space, and the historical script uses complementary measurements to explore spatial-temporal change in a single variable. Both scripts are organized into acts and scenes, like a stage play, and progress from simple to more complex representations. A unique signature hue identifies each variable. Motion and juxtaposition link maps with scatterplots, bar graphs, and other noncartographic displays, and blinking symbols emphasize important features and support the sequential joint examination of maps and graphs by category or region. Text is a key element for describing the purpose or strategy of short graphic sequences, called graphic phrases, as well as for identifying variables, categories, or regions. Coherence requires ...

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