# Cursor Modes in Graphic Views
There are various modes of operation of the cursor in Graphic Views. The following summarises the scope of these cursor modes.
# Rotate cursor mode
In general, left mouse button behaviour replicates right mouse button behaviour. Additional features include:
Set centre of rotation
- Ctrl + left click
Reset centre of rotation
- Shift + left click
# Zoom cursor mode
Incremental zoom
- Left click (zoom in)
- Ctrl + left click (zoom out)
Zoom to selection
- Left button drag
# Volume cursor mode
New volume
- Left button drag (inclusive volume)
- Ctrl + left button drag (exclusive volume)
Adjust last volume depth
- Ctrl + wheel rotate (adjust near plane)
- Ctrl + Shift wheel rotate (adjust far plane)
Delete last volume
- Left click
Delete all volumes
- Ctrl + left click
# Select cursor modes
New entity selection
- Left click
- Left button drag
Add to existing selection
- Shift + left click
- Shift + left button drag
Deselect entities
- Ctrl + left click
- Ctrl + left button drag
# Polyline cursor mode
Add vertex
- Left click
Drag vertex
- Left button drag
# Sculpt geometry cursor modes
Add node/point on new entity
- Left button click
Drag node on current grid plane
- Left button drag