User`s guide

18 Properties — Alphabetical List
18-36
ROIPosition
Specify region-of-interest (ROI) window
Description
The ROIPosition property specifies the region-of-interest acquisition window. The ROI
window defines the actual size of the frame logged by the toolbox, measured with respect
to the top left corner of an image frame.
ROIPosition is specified as a 1-by-4 element vector
[XOffset YOffset Width Height]
where
XOffset Position of the upper left corner of the ROI, measured in pixels.
YOffset Position of the upper left corner of the ROI, measured in rows.
Width Width of the ROI, measured in pixels. The sum of XOffset and Width
cannot exceed the width specified in VideoResolution.
Height Height of the ROI, measured in rows. The sum of YOffset and Height
cannot exceed the height specified in VideoResolution.