To define a single joint, a line or polyline is defined. Tutorial 5 illustrates how to define a single joint.
Tutorial 5: single joint is defined
Tutorial 19 examines joint-liner interaction.
Tutorial 19: multiple joints, intersecting an excavation, are defined
If a number of repeating joints are being defined, a joint network should be used; see Tutorial 29 for details on how to define joint networks.
Tutorial 29: multiple joint networks are defined