You can use the Filters tab for the Adaptive Cylinder Line Scan strategy to set up filters.
Filter
This value indicates the filter type for the scan. Some filtering options are specific to certain strategies. Select the filter type:
None - Does not apply any filter type to the scan data set.
Gaussian - Applies a Gaussian filter to the scan data set, which smooths the data.
Wave Length (mm)
Oscillations in data smaller than the value you select in the list are smoothed when applying the linear Gaussian filter. This applies to lines and planes.
You can also type a wavelength value in the box. The value is in millimeters.
This option is hidden if you select None in the Filter list.