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This tutorial deals with the interface features of the AnyBody Modeling System. Before trying your luck with this tutorial, please complete the Getting Started with AnyScript tutorial.
Much of the interface works like other types of windows software; you can copy and paste data, and you can arrange the various windows as you would expect. But AnyBody does computations that no other computer system is capable of, and this calls for some special features.
We need something to work on. Please download this file, save it in a working directory of your choice, and load it into the AnyBody Modeling System.
The squat problem
 The file you have loaded is a squat example. It is a 2-D model and contains only a single leg with eight muscles. The strength and mass of the single leg correspond roughly to two ordinary legs.
The arm of the model is used for balance. It does not have any muscles, and it has no explicit driver attached, but if you run the kinematic analysis or the inverse dynamic analysis on the model you will see that the arm moves to maintain the balance of the model. This is because the model has a driver on the position of the collective center of mass requiring it to be directly above the contact point with the ground, which the model accommodates by movement of the arm.
This tutorial consists of the following lessons: Let us quickly proceed to the first lesson: Windows and workspaces.
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