Test for override of Velo motion system from YAML files

closes #244 (closed)

Det/VPDet/include/VPDet/DeVP.h

@@ -27,6 +27,9 @@ using DeVPSensor = LHCb::Detector::DeVPSensor;
 
 #else
 
+#  include "DetDesc/Condition.h"
+#  include "GaudiKernel/SmartDataPtr.h"
+
 // Local
 #  include "VPDet/DeVPSensor.h"
 
@@ -82,7 +85,7 @@ public:
   }
 
   /// Added for forward-compatibility with dd4hep
-  auto beamSpot() const { return Gaudi::XYZPoint{0., 0., 0.}; }
+  auto beamSpot() const { return m_beamSpot; }
 
 private:
   /// local to global matrix cache
@@ -103,6 +106,10 @@ private:
   /// cache of the pixel size of sensors
   float m_pixel_size = 0;
 
+  // beamspot
+  Condition const* m_beamSpotCond = nullptr;
+  Gaudi::XYZPoint  m_beamSpot     = {0., 0., 0.};
+
 public:
   /// Return local x for a given sensor.
   float local_x( unsigned int n ) const { return m_local_x[n]; }
@@ -142,6 +149,9 @@ private:
 
   /// code updateing the cached data when geometry changes
   StatusCode updateCache();
+
+  // update beamspot location
+  StatusCode updateBeamSpot();
 };
 
 #endif