Use the mouse to rotate or zoom the model or pan the view in the 3-D View panel, using a standard 3-button mouse. The default behavior for the mouse buttons is described in Table 2.7: Default mouse modes .
Entities within the 3-D View can be selected with a combination of keypress and left-mouse click. Once an item or group of items have been selected, right-clicking displays a context menu. Selecting an entity in the 3-D View area will also select the coresponding item on the Workflow tree.
To perform a:
Single-entity selection, left-click the entity in the 3-D View while holding the space bar key.
Multiple-entity selection, left-click the entities in the 3-D View while holding the Ctrl key.
"Lasso” rectangle selection, left-click and drag a box in the 3-D View area while holding the Shift key.