This technique extends the concept of mapping data values from a pixel-based approach to one using erceptually-based displayable objects, including auditory representation of data.
This is a much different approach than automated data mining, where algorithms determine relationships and structure in data. Exvis was meant to be used in an exploratory data analysis mode, where data can be rapidly and easily manipulated, organized into perceptually compelling displays, with flexibility for changing viewing parameters.
FBI homicide database is displayed with x axis representing the age of the victimg and the y axis representing the age of the offender. We can see a clear trend from the middle of the image to the lower right corner. We can also see that the victims can be older, while the felons are younger.
Satelite image of the Great Lakes region presented using the line icon. In this case, we used a black background and a white icon on top of it.