Network Related Camera Parameters and Managing Bandwidth AW00097603000
300 Basler aviator GigE
Device Current Throughput (read only)
Indicates the actual bandwidth (in bytes per second) that the camera will use to transmit image data
and chunk data given the current area of interest settings, chunk feature settings, and the pixel
format setting.
If the Acquisition Frame Rate abs parameter has been used to set the camera’s frame rate, the
camera will use this frame rate setting to calculate the device current throughput. If software or
hardware triggering is being used to control the camera’s frame rate, the maximum frame rate
allowed with the current camera settings will be used to calculate the device current throughput.
Note that the Device Current Throughput parameter indicates the bandwidth needed to transmit the
actual image data and chunk data. The Bandwidth Assigned parameter, on the other hand,
indicates the bandwidth needed to transmit image data and chunk data plus the bandwidth reserved
for retries and the bandwidth needed for any overhead such as leaders and trailers.
Resulting Frame Rate (read only)
Indicates the maximum allowed frame acquisition rate (in frames per second) given the current
camera settings. The parameter takes the current area of interest, exposure time, and bandwidth
settings into account.
If the Acquisition Frame Rate abs parameter has been used to set the camera’s frame rate, the
Resulting Frame Rate parameter will show the Acquisition Frame Rate abs parameter setting. If
software or hardware triggering is being used to control the camera’s frame rate, the Resulting
Frame Rate parameter will indicate the maximum frame rate allowed given the current camera
settings.
You can read or set the camera’s network related parameter values from within your application
software by using the Basler pylon API. The following code snippet illustrates using the API to set
the selector and the parameter values:
// Payload Size
int64_t payloadSize = Camera.PayloadSize.GetValue();
// GevStreamChannelSelector
Camera.GevStreamChannelSelector.SetValue
( GevStreamChannelSelector_StreamChannel0 );
// PacketSize
Camera.GevSCPSPacketSize.SetValue( 1500 );
// Inter-packet Delay
Camera.GevSCPD.SetValue( 1000 );
// Frame-transmission Delay
Camera.GevSCFTD.SetValue( 1000 );
// Bandwidth Reserve
Camera.GevSCBWR.SetValue( 10 );
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