Roll

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Roll is the angle of camera rotation around it's optical axis.  
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{{Glossary|Rotation angle around the lens axis.  See also [[Pitch]] and [[Yaw]].}} Roll is the angle of camera rotation around it's optical axis.  
  
 
If your camera is not level this can be in two directions:  
 
If your camera is not level this can be in two directions:  

Revision as of 20:24, 18 November 2007

Roll is the angle of camera rotation around it's optical axis. 

If your camera is not level this can be in two directions:

  • the image is tilted up or down, resulting in a Pitch value different from 0.0
  • the image is rotated such that the horizon is not horizontal if held upright, resulting in a Roll value different from 0.0
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