### Linear option

The Linear option allows you to filter the data in a feature that is not a circular scan. The deviations affected in this case are perpendicular to the workplane.

Note: For the linear filters, the number of points in the filter set may be less than the number of input points. PC-DMIS removes points at both ends for which not enough data (to the left or right) is available. To compute a valid output point, see the "Filter Width box".