CogBlobSegmentationParams.Polarity Property

CogBlobSegmentationParams Polarity Property

Cognex VisionPro

Blob polarity used for image segmentation with either soft or hard thresholding. Indicates either dark blobs on a light background or light blobs on a dark background.

Namespace: Cognex.VisionPro.Blob
Assembly: Cognex.VisionPro.Blob (in Cognex.VisionPro.Blob.dll) Version: 65.1.0.0

Syntax

C++

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public CogBlobSegmentationPolarityConstants Polarity { get; set; }

public CogBlobSegmentationPolarityConstants Polarity { get; set; }

Public Property Polarity As CogBlobSegmentationPolarityConstants 
	Get 
	Set

Public Property Polarity As CogBlobSegmentationPolarityConstants 
	Get 
	Set

public:
property CogBlobSegmentationPolarityConstants Polarity {
	CogBlobSegmentationPolarityConstants get ();
	void set (CogBlobSegmentationPolarityConstants value);
}

public:
property CogBlobSegmentationPolarityConstants Polarity {
	CogBlobSegmentationPolarityConstants get ();
	void set (CogBlobSegmentationPolarityConstants value);
}

Property Value

Type: CogBlobSegmentationPolarityConstants
The default is DarkBlobs.

Events

Event Type	Reason
[Cognex.VisionPro.ICogChangedEvent.Changed]	Fires when the value of this property changes. The following state flag may be affected: SfPolarity

Event Type

Reason

[Cognex.VisionPro.ICogChangedEvent.Changed]

Fires when the value of this property changes.

The following state flag may be affected:

SfPolarity

Exceptions

Exception	Condition
[System.ArgumentException]	The supplied value is not a member of CogBlobSegmentationPolarityConstants

Remarks

Blob polarity used for image segmentation with either soft or hard thresholding. Specify DarkBlobs for dark blobs on a light background or LightBlobs for light blobs on a dark background.

This parameter is only used for the following segmentation modes: HardDynamicThreshold, HardFixedThreshold, HardRelativeThreshold, SoftFixedThreshold, or SoftRelativeThreshold.