AW00089317000 Standard Features
Basler ace GigE 219
10.6 Stacked Zone Imaging (acA2000-50,
acA2040-25 Only)
The stacked zone imaging feature lets you define up to eight zones on the sensor array. When an
image is acquired, only the pixel information from the areas within the defined zones will be read
out of the sensor. The lines read out of the zones will then be stacked together and will be
transmitted from the camera as a single image.
Using the stacked zone imaging feature increases the camera’s frame rate.
The Stacked Zone Imaging Enable parameter is used to enable or disable stacked zone imaging.
When the parameter is set to true, stacked zone imaging is enabled.
The Offset X and Width parameters are used to begin the process of setting up stacked zone
imaging. Since all of the zones must be the same width and all of the zones must be vertically
aligned, these two parameters define the left and right borders for all of the zones as shown in
Figure 95 on page 220. In the figure, Offset X is set to 10 and the Width is set to 16.
The next step in the setup process is to define each individual zone. Up to 8 zones can be set up,
with zone index numbers ranging from 1 through 8. Each zone can be enabled or disabled
individually by first using the Stacked Zone Imaging Index parameter to select a zone number and
then using the Stacked Zone Imaging Zone Enable parameter to enable the selected zone.
At least one zone must be enabled.
Once a zone has been enabled, you must use the Stacked Zone Imaging Zone Offset Y parameter
to set the offset (in pixels) between the top of the sensor and the top of the zone. And you can use
the Stacked Zone Imaging Zone Height parameter to set the height of the zone.
In Figure 95, for example, three zones have been enabled - zone 1, zone 2, and zone 3.
The Offset X is set to 10 and the Width is set to 16. These settings apply to all zones.
For zone 1:
The Stacked Zone Imaging Zone Offset Y parameter is set to 6
The Stacked Zone Imaging Zone Height parameter is set to 6.
For zone 2:
The Stacked Zone Imaging Zone Offset Y parameter is set to 20
The Stacked Zone Imaging Zone Height parameter is set to 10.
For zone 3:
The Stacked Zone Imaging Zone Offset Y parameter is set to 38.
The Stacked Zone Imaging Zone Height parameter is set to 8.
With these settings, the camera would output an image that is 16 pixels wide and 24 lines (the
total height of the three zones) high.
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