| Settings | Description | 
|---|---|
| Scan Direction | Set the direction that the tool uses when searching for edges. 
 | 
| Edge Count Range | |
| Transition Type | Select the type of edge transition used to find the circle starting from the center outwards. | 
| Minimum Edge Length | The minimum length in pixels of an edge to use. | 
| Maximum Gap | The maximum size in pixels to consider in gaps of the edge. | 
| Skew Tolerance |  The number of degrees to attempt to match the skew of the line if it is not straight. | 
| Edge Contrast | Threshold acceptance to consider a line. | 
| Edge Profile | Displays the contrast score of the features across the region of interest. | 
