HOW TO: Create a simple DicomDir

#1 Posted : Thursday, February 8, 2018 10:45:19 AM(UTC)

Nick Villalobos

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Posts: 119

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Below you will find a code snippet for grabbing DICOM files from a folder then turning those into a DicomDir. The DICOMDIR file contains Dicom Directory information, which makes it easier to access the information contained in the other DICOM files in the file-set. The DICOM files in the file-set are assigned File IDs, so that they can be referenced by the DICOMDIR File, which itself, is identified by a File ID of DICOMDIR.

Code:


static void CreateDicomDir(string directory)
      {
         DicomEngine.Startup();
         DicomDir m_DicomDir = new DicomDir();
         m_DicomDir.Reset(directory);
         DicomDirOptions options;
         options = m_DicomDir.Options;
         options.IncludeSubfolders = true;
         m_DicomDir.Options = options;

         foreach (var file in Directory.GetFiles(directory))
         {
            //if there is already a DICOMDIR file in the folder, skip it
            if (Path.GetFileName(file) == "DICOMDIR")
               continue;

            //do a try-catch around a DICOM Dataset load to ensure we're only using DICOM files
            try
            {
               using (DicomDataSet ds = new DicomDataSet())
                  ds.Load(file, DicomDataSetLoadFlags.None);

               m_DicomDir.InsertFile(file);
            }
            catch { }
         }
         m_DicomDir.Save();
         DicomEngine.Shutdown();
      }

Nick Villalobos
Developer Support Engineer
LEAD Technologies, Inc.

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HOW TO: Create a simple DicomDir