[LithTech]
Perspective Movement
 
       
  Two methods of changing your view are possible in a Perspective View pane:
  • Walkthru Movement: You move the camera to any position and independently change its orientation to any vector.
  • Orbit Movement: You remain focused on a single point while moving the camera about.

To choose between these methods, point to Move Mode on the context menu for a Perspective View pane and then select from the sub-menu.

The following table shows the movements possible in Walkthru Movement mode.

Action Effect
Press and hold I and move the mouse
Change camera horizontal position, keep vertical position (y coordinate) steady

Press and hold I, press and hold the right mouse button, and move the mouse
Change camera vertical position, keep horizontal position (x and z coordinates) steady

Press and hold O and move the mouse
Change the camera direction, keep position (x, y, and z coordinates) steady


The following table shows the movements possible in Orbit Movement mode.

Action Effect
Press and hold I and move the mouse forward and backward
Dolly in and out along the axis between the camera and the focus point

Press and hold O and move the mouse
Change the camera position and orientation, keeping the view toward the focus point

 
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http://www.lithtech.com