Find Circle - HikRobot SC2000 Series User Manual

Result Display
In Image Display, click
edit OK color, NG color, and transparency.

7.4.3 Find Circle

This tool detects multiple edge points first, and then fits them into a circle. It is used to locate and
measure the circle.
Parameter Settings
Search Mode
It has 3 modes, including The Best, Maximum, and Smallest. The Best refers to only edge points
of the largest gradient threshold within the scan range is detected and the circle is fitted.
Maximum refers to only edge points of the longest distance from the circle center within the
scan range is detected and the circle is fitted. Smallest refers to only edge points of the shortest
distance from the circle center within the scan range is detected and the circle is fitted.
Edge Polarity
It has three modes, including White to Black, Black to White, and All. White to Black refers to
the transition from the area with a low gray value to the edge of the area with a high gray value.
Black to White refers to the transition from the area with a high gray value to the edge of the
area with a low gray value. All refers to both edges are detected.
Edge Threshold
It is also called gradient threshold, and its range is from 0 to 255. The edge point whose gradient
SC2000 Series Vision Sensor User Manual
Figure 7-14 Fixture Settings
to display or not display running point and reference point. Click
30
to