User Manual

7
PresencePLUS Software Tools
7.1 ROI Types
ROI types include Area, Search, and Linear.
7.1.1 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. You can adjust the ROI width in increments of
4; that is, 1, 5, 9, 13, and so on. The ROI is widened symmetrically.
Note: Widening an ROI provides an average value/location, which results in improved
repeatability.
7.1.2 Area ROI
An Area ROI can be rectangular, elliptical, or circular. Click on Draw ROI in the input tab to expand the list of
ROI shapes from which to select. The shapes are shown below.
Note: An Area ROI can be as large as the entire Field of View (FOV).
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