--- a/OrthancStone/Sources/Toolbox/DicomInstanceParameters.h	Wed May 26 13:08:49 2021 +0200
+++ b/OrthancStone/Sources/Toolbox/DicomInstanceParameters.h	Wed May 26 14:02:12 2021 +0200
@@ -62,6 +62,7 @@
       std::string         doseUnits_;
       double              doseGridScaling_;
       std::string         frameOfReferenceUid_;
+      bool                hasPixelSpacing_;
 
       explicit Data(const Orthanc::DicomMap& dicom);
     };
@@ -229,5 +230,10 @@
     {
       return data_.frameOfReferenceUid_;
     }
+
+    bool HasPixelSpacing() const
+    {
+      return data_.hasPixelSpacing_;
+    }
   };
 }