Baumer USB3 Vision, User Manual

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Baumer Image Info Header (Chunk) 10.2
The Baumer Image Info Header is a data packet that is generated by the camera and
integrated into the Payload (every image), if chunk mode is activated.
This integrated data packet contains different settings for the image. Baumer GAPI can
read the Image Info Header (Chunk). Third party software that supports chunk mode can
read the features in the table below. These settings are (not exhaustive):
Feature Description
ChunkOffsetX Horizontal offset from the origin to the area of interest (in
pixels).
ChunkOffsetY Vertical offset from the origin to the area of interest
(in pixels).
ChunkWidth Returns the width of the image included in the payload.
ChunkHeight Returns the height of the image included in the payload.
ChunkPixelFormat Returns the pixel format of the image included in the pay-
load.
ChunkTimestamp Returns the Timestamp of the image included in the pay-
load at the time of the FrameStart internal event.
ChunkExposureTime Returns the exposure time used to capture the image.
ChunkGainSelector Selects which Gain to retrieve data from.
ChunkGain Returns the gain used to capture the image.
ChunkFrameID Returns the unique Identifier of the frame (or image)
included in the payload.
ChunkBinningHorizontal Number of horizontal photo-sensitive cells to combine
together.
ChunkBinningVertical Number of vertical photo-sensitive cells to combine
together.
◄ Figure 42
Location of the Baumer
Image Info Header