ICogAcqTrigger.TriggerModel Property

ICogAcqTrigger TriggerModel Property

Cognex VisionPro 9.8 SR1

Reads or sets the trigger model.

Namespace: Cognex.VisionPro
Assembly: Cognex.VisionPro.Core (in Cognex.VisionPro.Core.dll) Version: 75.0.0.0

Syntax

CogAcqTriggerModelConstants TriggerModel { get; set; }

CogAcqTriggerModelConstants TriggerModel { get; set; }

Property TriggerModel As CogAcqTriggerModelConstants 
	Get 
	Set

Property TriggerModel As CogAcqTriggerModelConstants 
	Get 
	Set

property CogAcqTriggerModelConstants TriggerModel {
	CogAcqTriggerModelConstants get ();
	void set (CogAcqTriggerModelConstants value);
}

property CogAcqTriggerModelConstants TriggerModel {
	CogAcqTriggerModelConstants get ();
	void set (CogAcqTriggerModelConstants value);
}

Property Value

Type: CogAcqTriggerModelConstants

Events

Event Type	Reason
ICogChangedEvent Changed	Fires when the trigger model is changed. The following state flag may be affected: SfTriggerModel

Event Type

Reason

ICogChangedEvent Changed

Fires when the trigger model is changed.

The following state flag may be affected:

SfTriggerModel

Exceptions

Exception	Condition
ArgumentException	val is not in CogAcqTriggerModelConstants or is Slave.
CogAcqNotAllowedForSlaveException	The acquisition FIFO is a slave.

Remarks

Sets or gets the trigger model.

Changing the trigger model stops the current acquisition. Before changing the trigger model, use Flush to flush any pending acquisition requests.

Examples

C++

Copy to Clipboard Print

using Cognex.VisionPro;

private CogFrameGrabbers myFrameGrabbers;
private ICogFrameGrabber myFrameGrabber;
private ICogAcqFifo myAcqFifo;

private void InitializeFifo()
{
    const string VIDEO_FORMAT = "Sony XC75 640x480";
    ICogAcqTrigger triggerParams;

    myFrameGrabbers = new CogFrameGrabbers();
    myFrameGrabber = myFrameGrabbers[0];
    myAcqFifo = myFrameGrabber.CreateAcqFifo(VIDEO_FORMAT, 
        Cognex.VisionPro.CogAcqFifoPixelFormatConstants.Format8Grey, 0, false);

    triggerParams = myAcqFifo.OwnedTriggerParams;
    if (triggerParams != null) {
        triggerParams.TriggerEnabled = true;
        triggerParams.TriggerModel = CogAcqTriggerModelConstants.Semi;
        triggerParams.TriggerLowToHigh = true;
    }
}

using Cognex.VisionPro;

private CogFrameGrabbers myFrameGrabbers;
private ICogFrameGrabber myFrameGrabber;
private ICogAcqFifo myAcqFifo;

private void InitializeFifo()
{
    const string VIDEO_FORMAT = "Sony XC75 640x480";
    ICogAcqTrigger triggerParams;

    myFrameGrabbers = new CogFrameGrabbers();
    myFrameGrabber = myFrameGrabbers[0];
    myAcqFifo = myFrameGrabber.CreateAcqFifo(VIDEO_FORMAT, 
        Cognex.VisionPro.CogAcqFifoPixelFormatConstants.Format8Grey, 0, false);

    triggerParams = myAcqFifo.OwnedTriggerParams;
    if (triggerParams != null) {
        triggerParams.TriggerEnabled = true;
        triggerParams.TriggerModel = CogAcqTriggerModelConstants.Semi;
        triggerParams.TriggerLowToHigh = true;
    }
}

Copy to Clipboard Print

Imports Cognex.VisionPro

Private myFrameGrabbers As CogFrameGrabbers
Private myFrameGrabber As Cognex.VisionPro.ICogFrameGrabber
Private myAcqFifo As Cognex.VisionPro.ICogAcqFifo

Private Sub InitializeFifo()
    Const VIDEO_FORMAT = "Sony XC75 640x480"
    Dim triggerParams As Cognex.VisionPro.ICogAcqTrigger

    myFrameGrabbers = New CogFrameGrabbers
    myFrameGrabber = myFrameGrabbers.Item(0)
    myAcqFifo = myFrameGrabber.CreateAcqFifo(VIDEO_FORMAT, CogAcqFifoPixelFormatConstants.Format8Grey, 0, False)

    triggerParams = myAcqFifo.OwnedTriggerParams

    If Not triggerParams Is Nothing Then
        triggerParams.TriggerEnabled = True
        triggerParams.TriggerModel = CogAcqTriggerModelConstants.Semi
        triggerParams.TriggerLowToHigh = True
    End If
End Sub

Imports Cognex.VisionPro

Private myFrameGrabbers As CogFrameGrabbers
Private myFrameGrabber As Cognex.VisionPro.ICogFrameGrabber
Private myAcqFifo As Cognex.VisionPro.ICogAcqFifo

Private Sub InitializeFifo()
    Const VIDEO_FORMAT = "Sony XC75 640x480"
    Dim triggerParams As Cognex.VisionPro.ICogAcqTrigger

    myFrameGrabbers = New CogFrameGrabbers
    myFrameGrabber = myFrameGrabbers.Item(0)
    myAcqFifo = myFrameGrabber.CreateAcqFifo(VIDEO_FORMAT, CogAcqFifoPixelFormatConstants.Format8Grey, 0, False)

    triggerParams = myAcqFifo.OwnedTriggerParams

    If Not triggerParams Is Nothing Then
        triggerParams.TriggerEnabled = True
        triggerParams.TriggerModel = CogAcqTriggerModelConstants.Semi
        triggerParams.TriggerLowToHigh = True
    End If
End Sub