Dome
Dome Mapping emits content from a singular point project in a dome, distorting content to conform to a Dome shape.
To create a Dome mapper go to Menu Bar-> Create-> 
Dome
Dome Mapping Properties
Lens
- Resolution: The resolution of texture being applied to objects. This should match the selected materials resolution.
- Aspect Ratio: The aspect ratio of the texture mapper based on resolution.
- Vertical End: The radius of the emission cone.
- Dynamic Clipping Planes: With this enabled, Clipping Planes, Near and Far will automatically set themselves to the region of interest.
- Near: This sets the closest plane the texture mapper will begin to render within.
- Far: This sets the furthest plane the texture mapper will will stop to render within.