2009

4. Enter the Vertical Field Of View and Horizontal Field Of View. If the units are set to degrees, then
these numbers should be between 0.1 and 90 and if in radians, between 0.002 and 3.124. See Field
Of View for more details on what field of view means.
5. Enter the Roll of the camera about its viewing axis. This value is not editable where the world up
vector stays upright (i.e. in walk, orbit and turntable modes).
6. Enter the speed of motion in a straight line for the viewpoint in the Linear Speed box (the minimum
value is 0 and the maximum is based on the size of the scene's bounding box).
7. Enter the speed of turning for the viewpoint in the Angular Speed box.
8. Click the Settings button to open the Collision Detection dialog box:
• Select the Collision Detection check box to activate collision detection.
• Select the Gravity check box to activate gravity.
• Select the Auto Crouch check box to activate crouching.
• In the Viewer, Radius text box, enter a value for the radius of the collision volume. See “ Collision
Detection ”.
Viewpoints
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