#### Nominals Mode Tab

BASICSCAN dialog box - Nominals Mode tab

The Nominal Modes available are the following (See Nominals list in the "Nominals Method area"):

- MASTER – corresponds to Master mode described in the "Nominals Mode" section.

- FINDNOMS – corresponds to FindNoms mode described in the "Nominals Mode" section. You can type in a FindNoms Tolerance that can be applied when finding nominals for a Basic Scan.

Use Bestfit – This check box causes PC-DMIS to use best fit algorithms on the data found from the original FINDNOMS operation and then repeat the FINDNOMS operation. This finds the nominal data with greater accuracy when the actual part has a lot of error with respect to the CAD data. See "See "Nominals Mode".

Find Noms Only On Selected Surface – This check box causes PC-DMIS to look for nominal values for a scan's measured points on only the selected set of surfaces.

Note: With the Circle, Cylinder, and Axis types of Basic Scans, there is no need to have CAD data to find the nominals. To execute the Basic Scan, PC-DMIS obtains the nominals from the nominal data you supply.
For example, if you typed in nominal data, such as center and diameter , to execute the circle, that data would be used to find the nominals for the Circle scan.