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Chapter 9 Vision Manager
9.2.11.2 Detecting edges
Operating procedure
1. Choose a target window range to measure.
2. Choose the edge detection method: absolute, relative, area relative, or area relative.
3. Choose the Transition(s): 0-Black-to-White, 1-White-to-Black, or 2-Both.
4. Specify the level.
5. Choose the scan direction for scanning in the projection window: Positive or Negative.
6. Press the Measure button to display the resulting boundaries on the histogram, save them
in the two boundary fields of the Digitization settings screen, and display the results in the
Vision monitor window.
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