Resolve "50cm shift of lattice and FF detectors"

Closes #35 (closed)

src/hadronDownstreamBeamPipe.cpp

@@ -62,13 +62,13 @@ static Ref_t create_detector(Detector& det, xml_h e, SensitiveDetector sens)  {
 
   double drift_hadron_section_2_inner_r = 19.5;
   double drift_hadron_section_2_outer_r = 20.5;
-  double drift_hadron_section_2_length  = 300.0;
+  double drift_hadron_section_2_length  = 250.0;
 
   double drift_hadron_section_3_inner_r_ent = 19.5;
   double drift_hadron_section_3_outer_r_ent = 20.5;
   double drift_hadron_section_3_inner_r_ex  = 5.0;
   double drift_hadron_section_3_outer_r_ex  = 5.2;
-  double drift_hadron_section_3_length  = 100.0;
+  double drift_hadron_section_3_length  = 150.0;
 
   double drift_hadron_section_4_inner_r = 5.0;
   double drift_hadron_section_4_outer_r = 5.2;
@@ -118,13 +118,13 @@ static Ref_t create_detector(Detector& det, xml_h e, SensitiveDetector sens)  {
   tube_de_2.setPlacement(pv_drift_tube_section_1);
   
   //Second section - RP scattering chamber -- keeping separate for now.
-  auto pv_drift_tube_section_2 = assembly.placeVolume( v_drift_tube_section_2, Transform3D(RotationY(drift_beam_pipe_angle), Position(-88.555365, 0.0, 2699.43969)));
+  auto pv_drift_tube_section_2 = assembly.placeVolume( v_drift_tube_section_2, Transform3D(RotationY(drift_beam_pipe_angle), Position(-87.3646644, 0.0, 2674.468064)));
   pv_drift_tube_section_2.addPhysVolID("sector", 1);
   DetElement tube_de_3(sdet, "sector3_de", 1);
   tube_de_3.setPlacement(pv_drift_tube_section_2);
 
   //Third section -- tapered section acting as poor man's universal exit window.
-  auto pv_drift_tube_section_3 = assembly.placeVolume( v_drift_tube_section_3, Transform3D(RotationY(drift_beam_pipe_angle), Position(-98.080966, 0.0, 2899.21272)));
+  auto pv_drift_tube_section_3 = assembly.placeVolume( v_drift_tube_section_3, Transform3D(RotationY(drift_beam_pipe_angle), Position(-96.890266, 0.0, 2874.241092)));
   pv_drift_tube_section_3.addPhysVolID("sector", 1);
   DetElement tube_de_4(sdet, "sector4_de", 1);
   tube_de_4.setPlacement(pv_drift_tube_section_3);