Edge PresencePlus P4, User Manual

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P/N 120413
01/05
Tools Screen PresencePLUS ® P4 EDGE
Banner Engineering Corp. • Minneapolis, MN USA
www.bannerengineering.com • Tel: 763.544.3164
Region of Interest (ROI)
A Region of Interest (ROI) indicates the area of the image that the tool evaluates. The area outside the ROI is ignored but
remains visible in the Image window. An ROI must be drawn for all Vision tools.
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ROI Types
ROI types include Area, Search and Pattern Area, and Linear. Availability depends on the P4 Model.
The following table lists the ROI type for each PresencePLUS P4 EDGE tool:
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Linear ROI
Linear ROIs are used by tools that scan along a defined line in a defined direction. Data are averaged along a linear ROI wider
than 1 pixel to provide accurate test results. The ROI width is in increments of 4; for example 1, 5, 9, 13, and so on. The ROI
widens symmetrically.
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Linear ROIs with Left-to-Right Scan Direction
ROI Types
P4 EDGE Tool ROI Type
Locate Linear
Edge Linear
Object Linear
Widening an ROI will give the user an average value/location. This will result in improved repeatability.
TIP
1 Pixel Wide
17 Pixels Wide