--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugin/InstanceInformation.h	Wed Feb 25 13:45:35 2015 +0100
@@ -0,0 +1,73 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include <vector>
+#include <string>
+
+namespace OrthancPlugins
+{
+  class InstanceInformation
+  {
+  private:
+    bool  hasPosition_;
+    float normal_[3];
+    float position_[3];
+    bool  hasIndex_;
+    int   index_;
+
+  public:
+    InstanceInformation() : hasPosition_(false), hasIndex_(false)
+    {
+    }
+
+    InstanceInformation(const std::string& serialized)
+    {
+      Deserialize(*this, serialized);
+    }
+
+    void SetPosition(const std::vector<float>& normal,
+                     const std::vector<float>& position);
+
+    void SetIndexInSeries(int index);
+
+    bool HasPosition() const
+    {
+      return hasPosition_;
+    }
+
+    bool HasIndexInSeries() const
+    {
+      return hasIndex_;
+    }
+
+    float GetPosition(size_t i) const;
+
+    float GetNormal(size_t i) const;
+
+    int GetIndexInSeries() const;
+
+    void Serialize(std::string& result) const;
+
+    static void Deserialize(InstanceInformation& result,
+                            const std::string& serialized);  
+  };
+}