CogBlob.SortMeasure Property

CogBlob SortMeasure Property

Cognex VisionPro

The blob measure that will be used for sorting the filtered collection of blobs. SortMeasure is only used if SortEnabled is true.

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 CogBlobMeasureConstants SortMeasure { get; set; }

public CogBlobMeasureConstants SortMeasure { get; set; }

Public Property SortMeasure As CogBlobMeasureConstants 
	Get 
	Set

Public Property SortMeasure As CogBlobMeasureConstants 
	Get 
	Set

public:
property CogBlobMeasureConstants SortMeasure {
	CogBlobMeasureConstants get ();
	void set (CogBlobMeasureConstants value);
}

public:
property CogBlobMeasureConstants SortMeasure {
	CogBlobMeasureConstants get ();
	void set (CogBlobMeasureConstants value);
}

Property Value

Type: CogBlobMeasureConstants
The default is Area

Events

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

Event Type

Reason

ICogChangedEvent Changed

Fires when the value of this property changes.

The following state flag may be affected:

SfSortMeasure

Exceptions

Exception	Condition
ArgumentException	The supplied value is not a member of CogBlobMeasureConstants

Remarks

The blob measure that will be used for sorting the filtered collection of blobs. SortMeasure is only used if SortEnabled is true.

Examples

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 Imports Cognex.VisionPro
 Imports Cognex.VisionPro.Blob

  Private Sub doBlob()
  Dim myBlob As New CogBlob
  Dim myBlobResults As CogBlobResults
  Dim smallestPerimeter As Double
  Dim largestPerimeter As Double

  myBlob.SortEnabled = True
  myBlob.SortMeasure = CogBlobMeasureConstants.Perimeter
  myBlob.SortAscending = False
  myBlobResults = myBlob.Execute(mobjImage, r)

  TextBox1.Text = myBlobResults.GetBlobs.Count

  largestPerimeter = myBlobResults.GetBlobs.Item(0).Perimeter
  smallestPerimeter = myBlobResults.GetBlobs.Item(myBlobResults.GetBlobs.Count - 1).Perimeter

  MsgBox("Largest Perimeter: " + largestPerimeter + vbCr + " Smallest Perimeter: " + smallestPerimeter)
End Sub

 Imports Cognex.VisionPro
 Imports Cognex.VisionPro.Blob

  Private Sub doBlob()
  Dim myBlob As New CogBlob
  Dim myBlobResults As CogBlobResults
  Dim smallestPerimeter As Double
  Dim largestPerimeter As Double

  myBlob.SortEnabled = True
  myBlob.SortMeasure = CogBlobMeasureConstants.Perimeter
  myBlob.SortAscending = False
  myBlobResults = myBlob.Execute(mobjImage, r)

  TextBox1.Text = myBlobResults.GetBlobs.Count

  largestPerimeter = myBlobResults.GetBlobs.Item(0).Perimeter
  smallestPerimeter = myBlobResults.GetBlobs.Item(myBlobResults.GetBlobs.Count - 1).Perimeter

  MsgBox("Largest Perimeter: " + largestPerimeter + vbCr + " Smallest Perimeter: " + smallestPerimeter)
End Sub

C++

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 using Cognex.VisionPro; 
 using Cognex.VisionPro.Blob;

  private void doBlob()
{
CogBlob myBlob=new CogBlob();  
CogBlobResults myBlobResults; 
double smallestPerimeter; 
double largestPerimeter; 
myBlob.SortEnabled = true;
myBlob.SortMeasure = CogBlobMeasureConstants.Perimeter;
myBlob.SortAscending = false;
myBlobResults = myBlob.Execute(mobjImage, r);
textBox1.Text = myBlobResults.GetBlobs().Count.ToString();
largestPerimeter = myBlobResults.GetBlobs()[0].Perimeter;
smallestPerimeter = myBlobResults.GetBlobs()[myBlobResults.GetBlobs().Count - 1].Perimeter;
MessageBox.Show ("Largest Perimeter: " + largestPerimeter + "  Smallest Perimeter: " + smallestPerimeter);
}

 using Cognex.VisionPro; 
 using Cognex.VisionPro.Blob;

  private void doBlob()
{
CogBlob myBlob=new CogBlob();  
CogBlobResults myBlobResults; 
double smallestPerimeter; 
double largestPerimeter; 
myBlob.SortEnabled = true;
myBlob.SortMeasure = CogBlobMeasureConstants.Perimeter;
myBlob.SortAscending = false;
myBlobResults = myBlob.Execute(mobjImage, r);
textBox1.Text = myBlobResults.GetBlobs().Count.ToString();
largestPerimeter = myBlobResults.GetBlobs()[0].Perimeter;
smallestPerimeter = myBlobResults.GetBlobs()[myBlobResults.GetBlobs().Count - 1].Perimeter;
MessageBox.Show ("Largest Perimeter: " + largestPerimeter + "  Smallest Perimeter: " + smallestPerimeter);
}