Interpreters control the state and behavior of a GraphicalObject. A GraphicalObject has an InterpreterMediator, which chooses which Interpreter or Interpreters to call when the GraphicalObject receives some input.

Sketch and Transformational INfrastructure is a toolkit for creating pen-based and sketch-based user interfaces. See http://guir.cs.berkeley.edu/projects/satin/ for an overview. Slides of the class hierarchy are available at http://guir.cs.berkeley.edu/projects/satin/class-diagrams/index.html.

This software is distributed under the Berkeley Software License.

Here are the static class diagrams:
1. Object Notation
2. Overview of Scenegraph

3. Graphical Objects 4. Views
5. Rendering 6. Interpreters
7. Strokes 8. Commands
9. Constants and Globals 10. Bridge Classes