View Depedant Culling

View Dependent Culling aims to determine which parts of the model cannot be seen because they are outside of the viewing frustum. By only sending visible parts of the model into the graphics pipeline, further performance improvements can be obtained.


User's View

Users View

What is sent to the graphics pipe with View Dependent Culling for a Uniform Grid Model.

Culled View Grid

What is sent to the graphics pipe with View Dependent Culling for a Triangulated Irregular Network Model.

Culled View TIN

What is sent to the graphics pipe without View Dependent Culling.

Unculled View


Model and Type. One Flyby sequence with view dependent culling on One Flyby sequence with view dependent culling off
Ethiopia TIN Model with 5,079 Vertices 13 seconds 44 seconds
Hurricane Fran TIN model with 25,000 Vertices 76 seconds 129 seconds
Hurricane Hugo 200x200 Uniform Grid Model 18 seconds 30 seconds


Jeremy Hinegardner
Last modified: Mon May 24 13:20:11 CDT 1999