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Tag Property

Summary

Gets a value that contains the tag of the DICOM element that is about to be added to the DicomDataSet.

Syntax

C++/CLI

public long Tag { get; set; }

public: 
property int64 Tag { 
   int64 get(); 
   void set (    int64 ); 
}

Property Value

The tag of the DICOM element that is about to be added to the DicomDataSet.

Remarks

Modifying Tag changes the element that is added to the DicomDataSet.

Example

using Leadtools.Dicom; 
using Leadtools.Dicom.Common; 
using Leadtools.Dicom.Common.Extensions; 
using Leadtools; 
using Leadtools.Dicom.Common.Linq.BasicDirectory; 
using Leadtools.Dicom.Common.DataTypes; 
 
using Leadtools.Codecs; 
 
public void LoadJsonCallbackExample() 
{ 
   string dicomFileNameIn = Path.Combine(LEAD_VARS.ImagesDir,"DICOM", "image2.dcm"); 
   string jsonFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.json"); 
   string dicomFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.dcm"); 
 
   // Initialize DICOM engine 
   DicomEngine.Startup(); 
 
   DicomDataSet ds = new DicomDataSet(); 
 
   // Load an existing DICOM file 
   ds.Load(dicomFileNameIn, DicomDataSetLoadFlags.None); 
 
   // Save as JSON to a file with no binary data 
   // For the demo, keep the json output file size small by skipping the pixel data 
   // Use the SaveJsonCallback delegate to customize the json file 
   DicomDataSetSaveJsonFlags jsonFlags = 
      DicomDataSetSaveJsonFlags.IgnoreBinaryData | 
      DicomDataSetSaveJsonFlags.TrimWhiteSpace; 
 
   ds.SaveJson(jsonFileNameOut, jsonFlags); 
 
   // Use a LoadmlCallback to read the customized json file 
   ds.LoadJson(jsonFileNameOut, DicomDataSetLoadJsonFlags.None, MyLoadJsonBeforeElementCallback, MyLoadJsonAfterElementCallback); 
 
   // Save the result -- there will be no pixel data 
   ds.Save(dicomFileNameOut, DicomDataSetSaveFlags.None); 
 
   DicomEngine.Shutdown(); 
} 
 
private static bool MyLoadJsonBeforeElementCallback(LoadJsonBeforeElementData data) 
{ 
   // Remove Patient Birth Date 
   if (data.Tag == DicomTag.PatientBirthDate) 
   { 
      return false; 
   } 
 
   // Change the patient name 
   if (data.Tag == DicomTag.PatientName) 
   { 
      data.ElementValue = "NewLast^NewFirst"; 
   } 
 
   // Write the elements to the consolee that have child elements 
   if (data.HasChildElements) 
   { 
      Console.WriteLine("Element {0} has child elements.", data.Tag); 
   } 
   return true; 
} 
 
private static void MyLoadJsonAfterElementCallback(LoadJsonAfterElementData data) 
{ 
   if (data.DicomElement.Tag == DicomTag.PixelData) 
   { 
      // here you could call one of the following to set the pixel data 
      //    data.DicomDataSet.SetBinaryValue  
      //    data.DicomDataSet.SetImage() 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}