RedEntryBits Property

Summary

Gets or set the "number of bits" for each entry in the LUT (lookup table) Data of the "Red Palette Color Lookup Table Descriptor" (0028,1101) element.

Syntax

Objective-C

C++/CLI

Java

public int RedEntryBits { get; set; }

@property (nonatomic, assign) NSInteger redEntryBits;

public int getRedEntryBits() 
public void setRedEntryBits(int value)

public: 
property int RedEntryBits { 
   int get(); 
   void set (    int value); 
}

Property Value

Value indicating the "number of bits" for each entry in the LUT (lookup table) Data of the "Red Palette Color Lookup Table Descriptor" (0028,1101) element.

Example

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"; 
}