--- 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)