Chapter3 Cognitive Design Principles for Automated Generation of Visualizations Barbara Tversky Stanford University Maneesh Agrawala University of California, Berkeley Julie Heiser Adobe systems Paul Lee NASA-Ames Pat Hanrahan, Doantam Phan Stanford University Chris Stolte Tableau Software Marie-Paule Daniel LIMSI-CNRS, France Before there were written languages, there were visualizations, painted in caves, inscribed in stone, or carved on wood. Visualizations of things that are 53 Chapter-03.qxd 6/26/2006 8:36 PM Page 53