Координатно-измерительные машины (КИМ) > Measure Steps > Measure Circle > To Measure a Circle
  
To Measure a Circle
1. Click Inspect > Circle. The MEASUREMENT STEP dialog box opens.
2. Select a cylindrical surface.
3. Select a plane, or create a datum plane, to define the slice where to measure the circle. The plane must be normal to the axis of the cylinder.