Features AW00123409000
262 Basler ace USB 3.0
Particular Implementation with Variable Effective Bayer Filter Alignments
For the acA640-750uc, acA800-510uc, acA1300-200uc, acA1920-40uc, acA1920-150uc,
acA1920-155uc, acA2040-55uc, acA2040-120uc, acA2440-35uc, acA2440-75uc, acA2500-60uc
the effective Bayer filter alignments vary when Reverse X is used.
The Bayer filter alignments given in Section 1.3 on page 4 and Table 38 on page 195 refer to the
physical Bayer filter alignments with respect to the sensors’ pixels. The physical alignments also
apply to the images, when mirror image features are not enabled.
However, when mirror image features are enabled, effective alignments apply that differ
systematically from the physical alignments. And accordingly, the related pixel formats apply. For
example, when you use a camera with BG physical alignment and only ReverseX enabled, the
pixels of the image are based on an effective GB alignment and the Bayer GB pixel formats apply.
Note: When ReverseX and ReverseY are used at the same time the resulting effective alignment
does not depend on the sequence of enabling.
Setting Reverse X
You can enable or disable the ReverseX feature by setting the ReverseX parameter value. You can
set the parameter value from within your application software by using the Basler pylon API. The
following code snippet illustrates using the API to set the parameter value:
// Enable reverse X
camera.ReverseX.SetValue(true);
You can also use the Basler pylon Viewer application to easily set the parameter.
For more information about the pylon API and the pylon Viewer, see Section 3.1 on page 61.
Physical Bayer Filter
Alignment
Effective Bayer Filter Alignment
No Mirror Image
Feature Enabled
Only ReverseX
Enabled
Only ReverseY
Enabled
ReverseX and
ReverseY
Enabled
BG BG GB GR RG
RG RG GR GB BG
Table 53: Effective Bayer Filter Alignments for Reverse X and for Reverse X and Y Combined
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