The Appearance settings control how the flow integration results are displayed. The following settings are available for all three types of flow integration (steady, unsteady, field line advection):
- Shape: Select either "Tube", "Arrow" or "Point" as the shape in which the streamlines are displayed.
- Diameter: The size of the display primitive (in voxels) .
- Diamond Size: When a streamline terminates because the field becomes zero, that line is terminated with a grey diamond shape. The Diamond size parameter controls the size of the diamonds and can be set to 0 if no diamonds are to be shown.
- Arrowhead Size: When using Arrows to display flow lines, use the "Arrowhead size" to determine the size of the arrowhead relative to the diameter of the attached tube.
- Color and Opacity: The color/opacity mapping uses a transfer function editor to color flow lines. In addition to using variables in the VDC, the editor allows "Position on Flow", and "Seed Index" as color/opacity-mapped variables. With unsteady flow, "time step" is available instead of "Position on Flow"
Additional Appearance settings are only available for steady flow and are discussed under streamlines.
