Refs #9643. Implemented the conversion from VULCAN offset to Mantid.

Also, the geometry file of VULCAN is slightly modified to make the
definition of bank numbers consistent between Mantid and that VULCAN
uses now.

A unit test data file is added, too.

Code/Mantid/Framework/DataHandling/inc/MantidDataHandling/LoadVulcanCalFile.h

@@ -10,12 +10,16 @@
 #include "MantidGeometry/Instrument.h"
 #include "MantidKernel/System.h"
 
+#include "MantidDataObjects/EventWorkspace.h"
+
 
 namespace Mantid
 {
 namespace DataHandling
 {
 
+  enum VULCAN_OFFSET_LEVEL{VULCAN_OFFSET_BANK, VULCAN_OFFSET_MODULE, VULCAN_OFFSET_STACK};
+
   /** Algorithm to load a 5-column ascii .cal file into up to 3 workspaces:
    * a GroupingWorkspace, OffsetsWorkspace and/or MaskWorkspace.
    */
@@ -40,9 +44,6 @@ namespace DataHandling
 
     void getInstrument3WaysInit();
 
-    /// Read VULCAN's offset file
-    void readOffsetFile(DataObjects::OffsetsWorkspace_sptr offsetws, std::string offsetfilename);
-
     Geometry::Instrument_const_sptr getInstrument();
 
     static void readCalFile(const std::string& calFileName,
@@ -56,6 +57,44 @@ namespace DataHandling
     void init();
     /// Run the algorithm
     void exec();
+
+    void processInOutProperites();
+
+    /// Set up grouping workspace
+    void setupGroupingWorkspace();
+
+    void generateOffsetsWorkspace();
+
+    /// Read VULCAN's offset file
+    void readOffsetFile(std::map<detid_t, double> &map_detoffset);
+
+    void processOffsets(std::map<detid_t, double> map_detoffset);
+
+    /// Convert offsets from VUCLAN's offset to Mantid's
+    void convertOffsets();
+
+    Geometry::Instrument_const_sptr m_instrument;
+
+    /// Type of grouping
+    VULCAN_OFFSET_LEVEL m_groupingType;
+
+    std::string m_offsetFilename;
+    std::string m_badPixFilename;
+
+    DataObjects::OffsetsWorkspace_sptr m_offsetsWS;
+    DataObjects::GroupingWorkspace_sptr m_groupWS;
+    DataObjects::MaskWorkspace_sptr m_maskWS;
+
+    // Verification tool
+    void alignEventWorkspace();
+
+    bool m_doAlignEventWS;
+    DataObjects::EventWorkspace_sptr m_eventWS;
+
+    // Map for bank: eff_L and theta (in degree)
+    std::map<int, std::pair<double, double> > m_effLTheta;
+
+
   };