Hardware manual

Impact Reference Guide Circle Gauge
3-121 Datalogic Automation Inc.
2. Click the ROI radio button. Position the Circle ROI over the circle or ring you want to find. Be sure
that the ROI completely encloses the circle or ring. To adjust the ROI, hold the cursor over an adjust-
ment point until the cursor changes to one shown below, then click and drag.
3. Select the "Circle-Type" based on the shape you want to find:
• Dark Circle from Outside In - Start at the outer edge and search inward for a bright to dark edge
• Dark Circle from Inside Out - Start at the inner edge and search outward for a bright to dark edge
• Bright Circle from Outside In - Start at the outer edge and search inward for a dark to bright edge
• Bright Circle from Inside Out - Start at the inner edge and search outward for a dark to bright edge
• Dark Ring from Outside In - Do both Outside In and Inside Out searches for bright to dark edges
• Dark Ring from Inside Out - Start at the ROI mid-Diameter and search outward and inward for dark to
bright edges
• Bright Ring from Outside In - Do both Outside In and Inside Out searches for dark to bright edges
• Bright Ring from Inside Out - Start at the ROI mid-Diameter and search outward and inward for
bright to dark edges
The Inside Out Ring types will only work if the ROI mid-Diameter is located on the ring, since the
search starts at the mid-Diameter.
4. The detected edges are displayed on the image.
Important: Adjust the threshold and sensitivity options in the Circle ROI selection area until all the
desired edges are marked in the image.
Gradient and Grey Level edge detection types are supported. In cases where Gradient edge detection
picks up extra edges in a noisy image, Grey Level may offer better results.
5. Adjust the Outlier Distance and Sampling Percent until all the desired points are found.
Adjust Arc
Length
ROI positioned on image
Adjust Inner and Outer
ROI Diameter
Move the ROI
Adjust ROI size
Purple - OD points that are not outliers
Orange - ID points that are outliers
Red - ID points that are not outliers
Yellow - OD points that are outliers
Found points are marked with the following colors: