### Performing a Circle Basic Scan

BASICSCAN dialog box - Circle tab

The Insert | Scan | Circle menu option allows you to scan a circle feature. It takes parameters such as the center of the circle, diameter of the circle etc., and allows the CMM to execute the scan. The Circle Method allows only the Distance Filter to be used. It allows only the Vector Hit Type and does not need a Boundary Condition. The following parameters control the scan execution:

- Centroid: This point (found in the first list, under the # column) is the center of the circle. The center of the circle can be typed directly or can be obtained from Machine or from CAD.

To Define a Basic Circle Scan:

You can define a Basic Circle scan in one of these ways:

- Typing in values directly. See "Circle Basic Scan - Key In Method" for this scan.

- Physically measuring points on the circle. See "Circle Basic Scan - Measured Point Method" for this scan.

- Clicking on the circle in the CAD model in the Graphics Display window. See "Circle Basic Scan - Surface Data Method" or "Circle Basic Scan - Wire frame Data Method".

Once you create the scan, PC-DMIS inserts it into the Edit window. The Edit window command line for a Circle Basic Scan reads:

ID=BASICSCAN/CIRCLE,ShowHits=YES,ShowAllParams=YES
centerx,centery,centerz,CutVec=i,j,k,Type
InitVec=i,j,k, diameter,angle,depth,thickness

More:

Circle Basic Scan - Key In Method

Circle Basic Scan - Measured Point Method

Circle Basic Scan - Surface Data Method

Circle Basic Scan - Wire frame Data Method

Circle: CAD Data Method