Standard Features AW00097603000
178 Basler aviator GigE
10.7.3.3 Setting an Auto Function AOI
Setting an Auto Function AOI is a two-step process: You must first select the Auto Function AOI that
was related to the auto function that you want to use and then set the position and the size of the
Auto Function AOI.
By default, an Auto Function AOI is set to the full resolution of the camera’s sensor. You can change
the position and the size of an Auto Function AOI by changing the value of the Auto Function AOI’s
X Offset, Y Offset, Width, and Height parameters.
The value of the X Offset parameter determines the starting column for the Auto Function AOI.
The value of the Y Offset parameter determines the starting line for the Auto Function AOI.
The value of the Width parameter determines the width of the Auto Function AOI.
The value of the Height parameter determines the height of the Auto Function AOI.
When you are setting an Auto Function AOI, you must follow these guidelines:
The sum of the X Offset setting plus the Width setting must not exceed the width of the
camera’s sensor. For example, on the avA1000-100gm, the sum of the X Offset setting plus
the Width setting must not exceed 1040.
The sum of the Y Offset setting plus the Height setting must not exceed the height of the
camera’s sensor. For example, on the avA1000-100gm, the sum of the X Offset setting plus
the Width setting must not exceed 1040.
On monochrome versions of the camera, the width and height of the AOI can be set in
increments of 2.
On color versions of the camera, the width and height of the AOI can be set in increments of 4.
For more information about the concept of a "virtual" sensor, see Section 10.17 on page 250.
You can select an Auto Function AOI and set the X Offset, Y Offset, Width, and Height parameter
values for the Auto Function AOI from within your application software by using the pylon API. The
following code snippet illustrates using the API to select Auto Function AOI one and to get the
maximum allowed settings for the Width and Height parameters. The snippet also illustrates setting
the X Offset, Y Offset, Width, and Height parameter values.
On color cameras, the same increments apply for setting Auto Function AOIs as
for the Image AOI.
Normally, the X Offset, Y Offset, Width, and Height parameter settings for an Auto
Function AOI refer to the physical columns and lines in the sensor. But if binning
is enabled (monochrome cameras only), these parameters are set in terms of
"virtual" columns and lines, i.e., the settings for an Auto Function AOI will refer to
the binned lines and columns in the sensor and not to the physical lines in the
sensor as they normally would.
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