AW00123402000 Features
Basler ace USB 3.0 211
8.11.3 Auto Function ROIs
Each auto function uses the pixel data from an Auto Function ROI for automatically adjusting a
parameter value, and accordingly, for controlling the related image property. Some auto functions
always share an Auto Function ROI and some auto functions can use their own individual Auto
Function ROIs. Within these limitations, auto functions can be assigned to Auto Function ROIs as
desired.
Each Auto Function ROI has its own specific set of parameter settings, and the parameter settings
for the Auto Function ROIs are not tied to the settings for the ROI that is used to define the size of
captured images (Image ROI). For each Auto Function ROI, you can specify a portion of the sensor
array and only the pixel data from the specified portion will be used for auto function control. Note
that an Auto Function ROI can be positioned anywhere on the sensor array.
An Auto Function ROI is referenced to the top left corner of the sensor array. The top left corner of
the sensor array is designated as column 0 and row 0 as shown in Figure 91.
The location and size of an Auto Function ROI is defined by declaring an X offset (coordinate), a
width, a Y offset (coordinate), and a height. For example, suppose that you specify the X offset as
14, the width as 5, the Y offset as 7, and the height as 6. The area of the array that is bounded by
these settings is shown in Figure 91.
Only the pixel data from the area of overlap between the Auto Function ROI defined by your settings
and the Image ROI will be used by the related auto function.
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