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Line integral convolution

In scientific visualization, line integral convolution (LIC) is a technique proposed by Brian Cabral and Leith Leedom to visualize a vector field, such as fluid motion. Compared to other integration-based techniques that compute field lines of the input vector field, LIC has the advantage that all structural features of the vector field are displayed, without the need to adapt the start and end points of field lines to the specific vector field. LIC is a method from the texture advection family.

 
Note:   The above text is excerpted from the Wikipedia article Line integral convolution, which has been released under the GNU Free Documentation License.
 

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