- Introduction to the Gantt Scheduler, Version 2 [PDF]
- Gantt scheduler quick reference
- Styling the Gantt scheduler
- Globalizing the Gantt scheduler
- Troubleshooting the Gantt scheduler
- Application Building for the IBM TRIRIGA Application Platform 3, Chapter 6: Form Building, Form Properties section, contains information on the inner workings of the Gantt scheduler and how to modify Gantt sections.
If you prefer, your application administrator can switch the TRIRIGA environment to the classic Java-applet-based Gantt scheduler.
Here are more resources.