3.4 Mouse actions

In the following, for a 2 button mouse, Middle button = Shift+Left button. For a 1 button mouse, Middle button = Shift+Left button and Right button = Alt+Left button.

Move the mouse:

• Highlight the entity under the mouse pointer and display its properties in the status bar
• Resize a lasso zoom or a lasso selection/unselection started with Ctrl+Left button

Left button:

• Rotate
• Select an entity
• Accept a lasso zoom or a lasso selection started with Ctrl+Left button

Ctrl+Left button: Start a lasso zoom or a lasso selection/unselection

Middle button:

• Zoom
• Unselect an entity
• Accept a lasso zoom or a lasso unselection

Ctrl+Middle button: Orthogonalize display

Right button:

• Pan
• Cancel a lasso zoom or a lasso selection/unselection
• Pop-up menu on post-processing view button

Ctrl+Right button: Reset to default viewpoint