Simple example

Author: malaterre

Examples/Csharp/CMakeLists.txt

@@ -17,6 +17,7 @@ set(CSHARP_EXAMPLES
   NewSequence
   GenerateDICOMDIR
   StandardizeFiles
+  ExplicitLittleEndian
   ReformatFile
   CompressLossyJPEG
   SendFileSCU

Examples/Csharp/ExplicitLittleEndian.cs

@@ -0,0 +1,119 @@
+/*=========================================================================
+
+  Program: GDCM (Grassroots DICOM). A DICOM library
+
+  Copyright (c) 2006-2011 Mathieu Malaterre
+  All rights reserved.
+  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
+
+   This software is distributed WITHOUT ANY WARRANTY; without even
+   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+   PURPOSE.  See the above copyright notice for more information.
+
+=========================================================================*/
+
+/*
+ * Simple C# example to show how one would 'Standardize' a DICOM File-Set
+ *
+ * Usage:
+ * $ export LD_LIBRARY_PATH=$HOME/Projects/gdcm/debug-gcc/bin
+ * $ mono bin/StandardizeFiles.exe input_path output_path
+ */
+using System;
+using gdcm;
+
+public class ExplicitLittleEndian
+{
+  public static bool ToExplicitLittleEndian(string aSrc, string aDst)
+  {
+    using (ImageReader reader = new ImageReader())
+    {
+      bool b = System.IO.File.Exists(aSrc);
+      reader.SetFileName(aSrc);
+      if (!reader.Read())
+      {
+        throw new System.Exception(string.Format("Cannot read '{0}'", aSrc));
+      }
+      using (FileExplicitFilter fef = new FileExplicitFilter())
+      {
+        fef.SetChangePrivateTags(false);
+        fef.SetFile(reader.GetFile());
+        if (!fef.Change())
+        {
+          throw new System.Exception(string.Format("Cannot make explicit '{0}'", aSrc));
+        }
+        using (var syntax = new TransferSyntax(TransferSyntax.TSType.ExplicitVRLittleEndian))
+        {
+          using (ImageChangeTransferSyntax tsc = new ImageChangeTransferSyntax())
+          {
+            tsc.SetTransferSyntax(syntax);
+            tsc.SetInput(reader.GetImage());
+            tsc.SetForce(true);
+            if (!tsc.Change())
+            {
+              throw new System.Exception(string.Format("Cannot change '{0}'", aSrc));
+            }
+            using (var writer = new ImageWriter())
+            {
+              writer.SetFile(fef.GetFile());
+              writer.SetImage(tsc.GetOutput());
+              writer.SetFileName(aDst);
+              if (!writer.Write())
+              {
+                throw new System.Exception(string.Format("Cannot write to '{0}'", aDst));
+              }
+            }
+          }
+        }
+      }
+    }
+    return true;
+  }
+
+  public static int Main(string[] args)
+  {
+  gdcm.FileMetaInformation.SetSourceApplicationEntityTitle( "My Standardize App" );
+
+  // http://www.oid-info.com/get/1.3.6.1.4.17434
+  string THERALYS_ORG_ROOT = "1.3.6.1.4.17434";
+  gdcm.UIDGenerator.SetRoot( THERALYS_ORG_ROOT );
+  System.Console.WriteLine( "Root dir is now: " + gdcm.UIDGenerator.GetRoot() );
+
+  string dir1 = args[0];
+  string dir2 = args[1];
+
+  // Check input is valid:
+  if( !gdcm.PosixEmulation.FileIsDirectory(dir1) )
+    {
+    System.Console.WriteLine( "Input directory: " + dir1 + " does not exist. Sorry" );
+    return 1;
+    }
+  if( !gdcm.PosixEmulation.FileIsDirectory(dir2) )
+    {
+    System.Console.WriteLine( "Output directory: " + dir2 + " does not exist. Sorry" );
+    return 1;
+    }
+
+  Directory d = new Directory();
+  uint nfiles = d.Load( dir1, true );
+  if(nfiles == 0) return 1;
+
+  // Process all filenames:
+  FilenamesType filenames = d.GetFilenames();
+  for( uint i = 0; i < nfiles; ++i )
+    {
+    string filename = filenames[ (int)i ];
+    string outfilename = filename.Replace( dir1, dir2 );
+    System.Console.WriteLine( "Filename: " + filename );
+    System.Console.WriteLine( "Out Filename: " + outfilename );
+    if( !ToExplicitLittleEndian( filename, outfilename ) )
+    {
+    System.Console.WriteLine( "Could not process filename: " + filename );
+    //return 1;
+    }
+    }
+
+
+  return 0;
+  }
+}