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ContourFilterCommand Class

Summary
Performs a contour segment filter on the source image. This command is available in the Document/Medical Toolkits.
Syntax
C#
C++/CLI
Python
public class ContourFilterCommand : RasterCommand 
public ref class ContourFilterCommand : public RasterCommand   
class ContourFilterCommand(RasterCommand): 
Remarks
  • The bits per pixel of the affected image will change according to the value of Type property, or the type parameter of the constructor as follows:

    If the type is Bits per pixel will be:
    Thin 8 bits per pixel grayscale
    LinkBlackWhite 1 bit per pixel
    LinkGray 8 bits per pixel grayscale
    LinkColor 8 bits per pixel color
    ApproxColor 8 bits per pixel color
  • This command supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.

  • This command does not support 32-bit grayscale images.
Example

Run the ContourFilterCommand on an image.

C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Effects; 
 
 
public void ContourFilterCommandExample() 
{ 
   // 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(); 
   command.Threshold = 15; 
   command.DeltaDirection = 35; 
   command.MaximumError = 5; 
   command.Type = ContourFilterCommandType.Thin; 
   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:\LEADTOOLS23\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.3.3
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Leadtools.ImageProcessing.Effects Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.