Working with Extended Data Chapter 12. Dialog Boxes and Dialog Control Language Chapter 15. First Steps with ARx Chapter 16. ARx Iterators, Geometry Classes, and Cloning Chapter 17. Derived Entities and Dictionaries Chapter 19.
All source code is on the diskette included with the book.
Don't let the many typos in the Table of Contents throw you off. The examples are clear and straight-forward. Every so often, author Corney includes a sidebar describing the mathematical background, the theory on which the ACIS is based on. Problems stem both from the vast number of cases which have to be considered and fundamental problems of numerical accuracy. Appendix B provides a clear summary of the ACIS data structure.