1.3 How to use this manual

Read the chapter on Concepts to get a fundamental understanding of 4D CAD. Take special care studying the sections on

• Elementary mathematics (Coordinates, Angle and Linear transformation matrix)
• Base elements of a drawing (ID, Layer, Sublayer, Block and Scope).

To learn how to use 4D CAD, read the User reference chapter. The rest of the manual can be used as a reference work. Note the various indices

• Thematical method index
• List of Programming tasks
• Alphabetical list of Areas and methods
• List of Errors and constants
• List of Events
• Constant index
• Parameter index
• Method index
• General index
• Concept index.

Important

• This manual displays Mac OS X illustrations, but 4D CAD is compatible with Mac OS, Mac OS X and Windows
• Where this manual prints command key, on Windows the control key is meant. Where it prints option key, it is the alt key on Windows.