Surface curvature analysis using color

In the automotive industry, it is highly important that the exterior body panels be esthetically pleasing. One aspect of creating esthetically pleasing surfaces is to require that they be fair. A system that has proven useful for diagnosis of surface fairness problems is presented. How to choose a set of colors with perceptually uniform spacing is described, and the usefulness of a logarithmic scale for relating curvature to colors is shown.<<ETX>>