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MinMaxValuesCommand Class
See Also  Members   Example 
Leadtools.ImageProcessing.Core Namespace : MinMaxValuesCommand Class




Gets the minimum and maximum intensity values present in a 12 or 16-bit grayscale or a 48 or 64-bit color image. This class is available in the Medical Toolkits.

Syntax

Visual Basic (Declaration) 
Public Class MinMaxValuesCommand 
   Inherits RasterCommand
   Implements IRasterCommand 
Visual Basic (Usage)Copy Code
Dim instance As MinMaxValuesCommand
C# 
public class MinMaxValuesCommand : RasterCommand, IRasterCommand 
Managed Extensions for C++ 
public __gc class MinMaxValuesCommand : public RasterCommand, IRasterCommand 
C++/CLI 
public ref class MinMaxValuesCommand : public RasterCommand, IRasterCommand 

Example

Visual BasicCopy Code
ImageProcessing.Core.MinMaxValuesCommand
   Public Sub MinMaxValuesCommandExample()
      RasterCodecs.Startup()
      Dim codecs As New RasterCodecs()
      codecs.ThrowExceptionsOnInvalidImages = True

      Dim leadImage As RasterImage = codecs.Load("C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Beauty16.jpg")

      ' Prepare the command
      Dim command As MinMaxValuesCommand = New MinMaxValuesCommand
      Dim MinimumValue As Integer 'the minimum value.
      Dim MaximumValue As Integer 'the maximum value.

      MinimumValue = 0
      MaximumValue = 0

      'Get min/max values.

      command.Run(leadImage)
      MinimumValue = command.MinimumValue
      MaximumValue = command.MaximumValue
      MessageBox.Show("The Minuimum Value is : " + MinimumValue.ToString() + ", The Maximum Value is : " + MaximumValue.ToString())

      RasterCodecs.Shutdown()
   End Sub
C#Copy Code
ImageProcessing.Core.MinMaxValuesCommand 
      public void MinMaxValuesCommandExample() 
      { 
         // Load an image 
         RasterCodecs.Startup(); 
         RasterCodecs codecs = new RasterCodecs(); 
         codecs.ThrowExceptionsOnInvalidImages = true; 
 
         RasterImage image = codecs.Load(@"C:\Program Files\LEAD Technologies\LEADTOOLS 15\Images\Beauty16.jpg"); 
 
         // Prepare the command 
         MinMaxValuesCommand command  = new MinMaxValuesCommand(); 
         int MinimumValue = 0; //the minimum value. 
         int MaximumValue = 0; //the maximum value. 
         //Get min/max values. 
         command.Run(image); 
         MinimumValue = command.MinimumValue; 
         MaximumValue = command.MaximumValue; 
         MessageBox.Show("The Minuimum Value is : " + MinimumValue.ToString() + ", The Maximum Value is : " + MaximumValue.ToString()); 
 
         RasterCodecs.Shutdown(); 
      }

Remarks

  • The minimum and maximum values can be used to create a lookup table, for use in the WindowLevelCommand class.
  • For signed images, the minimum intensity and the maximum intensity values can be negative.
  • This class supports 12 and 16-bit grayscale images. Support for 12 and 16-bit grayscale images is available only in the Document/Medical toolkits.
  • This command does not support 32-bit grayscale images.
For more information, refer to Processing an Image.
For more information, refer to Grayscale Images.

Inheritance Hierarchy

System.Object
   Leadtools.ImageProcessing.RasterCommand
      Leadtools.ImageProcessing.Core.MinMaxValuesCommand

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also