LEADTOOLS Image Processing (Leadtools.ImageProcessing.Effects assembly)

ContourFilterCommand Constructor(Int32,Int32,Int32,ContourFilterCommandType)

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Example 







Threshold of the gradient magnitude. Values below this will be considered as background, and will be set to 0. Values can be from 1 to 254. A lower threshold provides a better quality image. Default is 15.
Maximum angle for the thinning algorithm. Values can be from 1 to 64. Default is 35.
Maximum error for approximation algorithm. Values can be from 0 to 255. Default is 5. This parameter is only valid if the type parameter is set to ApproxColor.
Flag that controls the resulting image. This value tells the command what process to complete before returning.
Initializes a new ContourFilterCommand class object with explicit parameters.
Syntax
public ContourFilterCommand( 
   int threshold,
   int deltaDirection,
   int maximumError,
   ContourFilterCommandType type
)
'Declaration
 
Public Function New( _
   ByVal threshold As Integer, _
   ByVal deltaDirection As Integer, _
   ByVal maximumError As Integer, _
   ByVal type As ContourFilterCommandType _
)
'Usage
 
Dim threshold As Integer
Dim deltaDirection As Integer
Dim maximumError As Integer
Dim type As ContourFilterCommandType
 
Dim instance As New ContourFilterCommand(threshold, deltaDirection, maximumError, type)
public ContourFilterCommand( 
   int threshold,
   int deltaDirection,
   int maximumError,
   ContourFilterCommandType type
)

            

            
function ContourFilterCommand( 
   threshold ,
   deltaDirection ,
   maximumError ,
   type 
)
public:
ContourFilterCommand( 
   int threshold,
   int deltaDirection,
   int maximumError,
   ContourFilterCommandType type
)

Parameters

threshold
Threshold of the gradient magnitude. Values below this will be considered as background, and will be set to 0. Values can be from 1 to 254. A lower threshold provides a better quality image. Default is 15.
deltaDirection
Maximum angle for the thinning algorithm. Values can be from 1 to 64. Default is 35.
maximumError
Maximum error for approximation algorithm. Values can be from 0 to 255. Default is 5. This parameter is only valid if the type parameter is set to ApproxColor.
type
Flag that controls the resulting image. This value tells the command what process to complete before returning.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Effects

Public Sub ContourFilterConstructorExample()
   Dim codecs As New RasterCodecs()
   codecs.ThrowExceptionsOnInvalidImages = True

   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg"))

   ' Prepare the command
   Dim command As ContourFilterCommand
   command = New ContourFilterCommand(15, 35, 5, ContourFilterCommandType.LinkColor)
   command.Run(leadImage)
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)

End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Effects;

public void ContourFilterConstructorExample()
{
   // Load an image
   RasterCodecs codecs = new RasterCodecs();
   codecs.ThrowExceptionsOnInvalidImages = true;

   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Beauty16.jpg"), 16, CodecsLoadByteOrder.BgrOrGray, 1, 1);

   // Prepare the command
   ContourFilterCommand command = new ContourFilterCommand(15, 35, 5, ContourFilterCommandType.LinkColor);
   command.Run(image);
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);

}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Requirements

Target Platforms

See Also

Reference

ContourFilterCommand Class
ContourFilterCommand Members
Overload List

 

 


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