CogPMAlignRunParams.ContrastThreshold Property

CogPMAlignRunParams ContrastThreshold Property

Cognex VisionPro 9.7

Minimum acceptable contrast for a pattern instance. Only pattern instances where the average difference in pixel values across all feature boundaries exceeds the contrast threshold are considered by PMAlign. Threshold must be between 0 and 65535.

Namespace: Cognex.VisionPro.PMAlign
Assembly: Cognex.VisionPro.PMAlign (in Cognex.VisionPro.PMAlign.dll) Version: 73.0.0.0

Syntax

C++

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public double ContrastThreshold { get; set; }

public double ContrastThreshold { get; set; }

Public Property ContrastThreshold As Double 
	Get 
	Set

Public Property ContrastThreshold As Double 
	Get 
	Set

public:
property double ContrastThreshold {
	double get ();
	void set (double value);
}

public:
property double ContrastThreshold {
	double get ();
	void set (double value);
}

Property Value

Type: Double

Events

Event Type	Reason
CogPMAlignRunParams Changed	Fires when the value of this property changes. The following state flag may be affected: SfContrastThreshold

Event Type

Reason

CogPMAlignRunParams Changed

Fires when the value of this property changes.

The following state flag may be affected:

SfContrastThreshold

Exceptions

Exception	Condition
ArgumentException	If you attempt to set this to a value less than zero or greater than 65535.

Remarks

ArgumentException is thrown at runtime if the value is greater than 255 and the image is CogImage8Grey.