Setting The Parameters Related To Software Frame; Start Triggering - Basler GIGE VISION ace acA640-100gm/gc Manual

Image Acquisition Control
6.4.2.3
You can set the all of parameters needed to perform software frame start triggering from within your
application software by using the pylon API. The following code snippet illustrates using the API to
set the parameter values and execute the commands related to software frame start triggering with
the camera set for continuous frame acquisition mode and the acquisition start trigger mode set to
off:
// Set the acquisition mode to continuous frame
Camera.AcquisitionMode.SetValue( AcquisitionMode_Continuous );
// Select the acquisition start trigger
Camera.TriggerSelector.SetValue( TriggerSelector_AcquisitionStart );
// Set the mode for the selected trigger
Camera.TriggerMode.SetValue( TriggerMode_Off );
// Disable the acquisition frame rate parameter (this will disable the camera's
// internal frame rate control and allow you to control the frame rate with
// software frame start trigger signals)
Camera.AcquisitionFrameRateEnable.SetValue( false );
// Select the frame start trigger
Camera.TriggerSelector.SetValue( TriggerSelector_FrameStart );
// Set the mode for the selected trigger
Camera.TriggerMode.SetValue( TriggerMode_On );
// Set the source for the selected trigger
Camera.TriggerSource.SetValue ( TriggerSource_Software );
// Set for the timed exposure mode
Camera.ExposureMode.SetValue( ExposureMode_Timed );
// Set the exposure time
Camera.ExposureTimeAbs.SetValue( 3000 );
// Execute an acquisition start command to prepare for frame acquisition
Camera.AcquisitionStart.Execute( );
while ( ! finished )
{
}
Camera.AcquisitionStop.Execute( );
// Note: as long as the Trigger Selector is set to FrameStart, executing
// a Trigger Software command will apply a frame start software trigger
The following code snippet illustrates using the API to check the acquisition status:
// Set the acquisition status selector
Camera.AcquisitionStatusSelector.SetValue
( AcquisitionStatusSelector_FrameTriggerWait );
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Setting the Parameters Related to Software Frame

Start Triggering

Camera.TriggerSoftware.Execute( );
// Retrieve acquired frame here
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