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GetPaletteColorLutData Method

Summary
Retrieves red, green or blue "Palette Color Lookup Table Data".
Syntax
C#
C++/CLI
Java
public int[] GetPaletteColorLutData( 
   DicomPaletteColorLutType type 
) 
public int[] getPaletteColorLutData(DicomPaletteColorLutType type) 
public: 
array<int>^ GetPaletteColorLutData(  
   DicomPaletteColorLutType type 
)  

Parameters

type
Type of the "Palette Color Lookup Table Data" to get.

Return Value

Buffer that contains the "Palette Color Lookup Table Data".

Remarks

This method will retrieve the data for the "Red", "Green" or "Blue" "Palette Color Lookup Table". If the data is segmented, the method will decode the data before copying it to the returned buffer.

Example
C#
using Leadtools; 
using Leadtools.Dicom; 
 
 
public void TestPaletteColorLut() 
{ 
   string dicomFileName = Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "image3.dcm"); 
   //Make sure to initialize the DICOM engine, this needs to be done only once  
   //In the whole application 
   DicomEngine.Startup(); 
   using (DicomDataSet ds = new DicomDataSet()) 
   { 
      int paletteColorLutSize = 65536; 
      //Load DICOM File 
      ds.Load(dicomFileName, DicomDataSetLoadFlags.None); 
      ds.DeletePaletteColorLut(); 
      DicomPaletteColorLutAttributes paletteColorLutAttributes = new DicomPaletteColorLutAttributes(); 
      // Initialize Red Palette Color Lookup Table Descriptor (0028,1101)  
      paletteColorLutAttributes.RedFirstStoredPixelValueMapped = 0; 
      paletteColorLutAttributes.RedEntryBits = 16; 
      paletteColorLutAttributes.RedNumberOfEntries = paletteColorLutSize; 
 
      // Initialize Green Palette Color Lookup Table Descriptor (0028,1102)  
      paletteColorLutAttributes.GreenFirstStoredPixelValueMapped = 0; 
      paletteColorLutAttributes.GreenEntryBits = 16; 
      paletteColorLutAttributes.GreenNumberOfEntries = paletteColorLutSize; 
 
      // Initialize Blue Palette Color Lookup Table Descriptor (0028,1103)  
      paletteColorLutAttributes.BlueFirstStoredPixelValueMapped = 0; 
      paletteColorLutAttributes.BlueEntryBits = 16; 
      paletteColorLutAttributes.BlueNumberOfEntries = paletteColorLutSize; 
 
      ds.SetPaletteColorLutAttributes(paletteColorLutAttributes); 
 
      int[] LutData = new int[paletteColorLutSize]; 
      for (int i = 0; i < paletteColorLutSize; i++) 
      { 
         LutData[i] = i; 
      } 
 
      ds.SetPaletteColorLutData(LutData, DicomPaletteColorLutType.Red); 
      ds.SetPaletteColorLutData(LutData, DicomPaletteColorLutType.Green); 
      ds.SetPaletteColorLutData(LutData, DicomPaletteColorLutType.Blue); 
 
      DicomPaletteColorLutAttributes attributes = ds.GetPaletteColorLutAttributes(); 
      if (attributes != null) 
      { 
         Debug.Assert(attributes.RedNumberOfEntries == paletteColorLutSize); 
         Debug.Assert(attributes.GreenNumberOfEntries == paletteColorLutSize); 
         Debug.Assert(attributes.BlueNumberOfEntries == paletteColorLutSize); 
 
         int[] data = ds.GetPaletteColorLutData(DicomPaletteColorLutType.Red); 
         // Do something with the data 
      } 
      ds.Save(Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "PLUT.dcm"), DicomDataSetSaveFlags.None); 
   } 
   DicomEngine.Shutdown(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.8.20
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Dicom Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.