--- a/Plugins/Samples/GdcmDecoder/GdcmDecoderCache.cpp	Fri Nov 27 12:54:54 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmDecoderCache.cpp	Fri Nov 27 17:40:25 2015 +0100
@@ -83,7 +83,7 @@
 
     // This is not the same image
     std::auto_ptr<GdcmImageDecoder> decoder(new GdcmImageDecoder(dicom, size));
-    OrthancImageWrapper image(context, decoder->Decode(context, frameIndex));
+    OrthancImageWrapper image(context, *decoder, frameIndex);
 
     {
       // Cache the newly created decoder for further use

--- a/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.cpp	Fri Nov 27 12:54:54 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.cpp	Fri Nov 27 17:40:25 2015 +0100
@@ -222,6 +222,30 @@
   }
 
 
+  double GdcmImageDecoder::GetSlope() const
+  {
+    return pimpl_->GetImage().GetSlope();
+  }
+
+
+  double GdcmImageDecoder::GetIntercept() const
+  {
+    return pimpl_->GetImage().GetIntercept();
+  }
+
+
+  double GdcmImageDecoder::GetColumnPixelSpacing() const
+  {
+    return pimpl_->GetImage().GetSpacing(1);
+  }
+
+
+  double GdcmImageDecoder::GetRowPixelSpacing() const
+  {
+    return pimpl_->GetImage().GetSpacing(0);
+  }
+
+
   size_t GdcmImageDecoder::GetBytesPerPixel(OrthancPluginPixelFormat format)
   {
     switch (format)

--- a/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.h	Fri Nov 27 12:54:54 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.h	Fri Nov 27 17:40:25 2015 +0100
@@ -45,6 +45,14 @@
 
     unsigned int GetFramesCount() const;
 
+    double GetSlope() const;
+
+    double GetIntercept() const;
+
+    double GetColumnPixelSpacing() const;
+
+    double GetRowPixelSpacing() const;    
+
     static size_t GetBytesPerPixel(OrthancPluginPixelFormat format);
 
     OrthancPluginImage* Decode(OrthancPluginContext* context,

--- a/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.cpp	Fri Nov 27 12:54:54 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.cpp	Fri Nov 27 17:40:25 2015 +0100
@@ -28,7 +28,11 @@
                                            OrthancPluginPixelFormat format,
                                            uint32_t width,
                                            uint32_t height) :
-    context_(context)
+    context_(context),
+    slope_(1),
+    intercept_(0),
+    rowPixelSpacing_(1),
+    columnPixelSpacing_(1)
   {
     image_ = OrthancPluginCreateImage(context_, format, width, height);
     if (image_ == NULL)
@@ -38,6 +42,20 @@
   }
 
 
+  OrthancImageWrapper::OrthancImageWrapper(OrthancPluginContext* context,
+                                           GdcmImageDecoder& decoder,
+                                           unsigned int frameIndex) :
+    context_(context),
+    image_(decoder.Decode(context, frameIndex)),
+    slope_(decoder.GetSlope()),
+    intercept_(decoder.GetIntercept()),
+    rowPixelSpacing_(decoder.GetRowPixelSpacing()),
+    columnPixelSpacing_(decoder.GetColumnPixelSpacing())
+  {
+  }
+
+
+
   OrthancImageWrapper::~OrthancImageWrapper()
   {
     if (image_ != NULL)

--- a/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.h	Fri Nov 27 12:54:54 2015 +0100
+++ b/Plugins/Samples/GdcmDecoder/OrthancImageWrapper.h	Fri Nov 27 17:40:25 2015 +0100
@@ -22,6 +22,8 @@
 
 #include <orthanc/OrthancCPlugin.h>
 
+#include "GdcmImageDecoder.h"
+
 namespace OrthancPlugins
 {
   class OrthancImageWrapper
@@ -29,6 +31,10 @@
   private:
     OrthancPluginContext*  context_;
     OrthancPluginImage*    image_;
+    double                 slope_;
+    double                 intercept_;
+    double                 rowPixelSpacing_;
+    double                 columnPixelSpacing_;
 
   public:
     OrthancImageWrapper(OrthancPluginContext* context,
@@ -36,13 +42,9 @@
                         uint32_t width,
                         uint32_t height);
 
-    // Takes the ownership
     OrthancImageWrapper(OrthancPluginContext* context,
-                        OrthancPluginImage* image) :
-      context_(context),
-      image_(image)
-    {
-    }
+                        GdcmImageDecoder& decoder,
+                        unsigned int frameIndex);
 
     ~OrthancImageWrapper();