Lawrence Livermore National Laboratory



Operators

VisIt supports various operators to visualize data within a three-dimensional volume. These include displaying fields on surfaces within a volume (cone, sphere, plane, and more), removing portions of the three-dimensional volume (clip), displaying fields within a localized region (onion-peel), and displaying portions of the volume that meet specific criteria.

The cone operator is used to display data on the surface of a cone. The first image shows a field on the surface of the volume, the second image shows the field on the surface of a cone, and the third shows the field on the same surface mapped to a two-dimensional coordinate system.


The clip operator is used to remove regions of a three-dimensional volume. The first image shows the entire volume, the second image shows a rectangular region removed from the volume, and the third image shows a spherical region removed from the volume.


seed cell
layer 1
layer 2
whole volume

The cone operator is used to display data on the surface of a cone. The first image shows a field on the surface of the volume, the second image shows the field on the surface of a cone, and the third shows the field on the same surface mapped to a two-dimensional coordinate system.


The threshold operator is used to display cells where a scalar field value falls within a specified range. The first image shows the entire three-dimensional volume. The second image shows only the cells where the scalar field values are above a specified value and below another specified value.


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