### 2.2.3. Viewer Hotkeys

A number of shortcut keys are available to carry out common viewer tasks. These can be carried out by clicking in the viewer window and pressing the associated key.

Key | Action
--- | ---
space | Toggles between picking and viewing mode.
arrow keys | Rotates about horizontal and vertical axes.
Ctrl + up/down arrow keys | Rotates about an axis normal to the screen.
Shift + arrow keys | Moves the light source.
1 | Switches to one viewport.
2 | Switches to two viewports.
3 | Switches to three viewports.
4 | Switches to four viewports.
C | Centers the graphic object in the viewer window.
N | Toggles the projection between orthographic and perspective.
rR | Resets the view to the initial orientation.
S | Toggles the level of detail between auto, off, and on.
U | Undoes transformation.
Shift+U | Redoes transformation.
X | Sets view from +X axis.
Shift+X | Sets view from -X axis.
Y | Sets view from +Y axis.
Shift+Y | Sets view from -Y axis.
Z | Sets view from +Z axis.
Shift+Z | Sets view from -Z axis.

The information in this table is accessible by clicking the Show Help Dialog toolbar icon in the 3D viewer toolbar.

Release 18.2 - © ANSYS, Inc. All rights reserved.