This model includes an actor whose behavior is given in C code. Double click on the EmbeddedCFileActor to see how it works. This model is identical to the EmbeddedCActor model, Scale.xml, except that it utilizes the EmbeddedCFileActor rather than the EmbeddedCActor. The C code is located in the following file: ptolemy/actor/lib/jni/demo/Scale/codeForScaleWithECFADemo.c