Ignore:
Timestamp:
Nov 8, 2018 9:19:04 AM (4 years ago)
Author:
srkline
Message:

adding patch procedure to adjust the number of attenuators - which may have been incorrect for one of Yun's experiments.

Adding updated beam center offsets for the Front carriage. These values are fitted to the AgBeh? arcs, and should be an improvement. Similar values were derived for the graphite monchromator. Separate procedures are necessary for the graphite vs. Velocity selector since the beam axis is shifted when the graphite is in place. These new graphite values are also included.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • sans/Dev/trunk/NCNR_User_Procedures/Reduction/VSANS/V_Marquee_Operations.ipf

    r1113 r1118  
    367367// these corrections are exactly the opposite of what is done in V_fDeriveBeamCenters(xFR,yFR,xMR,yMR) 
    368368                if(cmpstr(detStr,"FL") == 0) 
    369                         Print "FRONT Reference X-center (cm) = ",x_mm/10 + (0.03 + 0.03)/2 
    370                         Print "FRONT Reference Y-center (cm) = ",y_mm/10 - (0.34 + 0.32)/2 
     369                        Print "FRONT Reference X-center (cm) (Velocity Selector) = ",x_mm/10 - 0.26 
     370                        Print "FRONT Reference Y-center (cm) (Velocity Selector) = ",y_mm/10 - 0.33 
     371                         
     372                        Print "FRONT Reference X-center (cm) (Graphite) = ",x_mm/10 + 0.03 
     373                        Print "FRONT Reference Y-center (cm) (Graphite) = ",y_mm/10 - 0.28 
    371374                endif 
    372375                 
    373376                if(cmpstr(detStr,"ML") == 0) 
    374                         Print "MIDDLE Reference X-center (cm) = ",x_mm/10 + (0.06 + 0.05)/2 
    375                         Print "MIDDLE Reference Y-center (cm) = ",y_mm/10 - (0.14 + 0.01)/2 
     377                        Print "MIDDLE Reference X-center (cm) (Velocity Selector) = ",x_mm/10 + (0.06 + 0.05)/2 
     378                        Print "MIDDLE Reference Y-center (cm) (Velocity Selector) = ",y_mm/10 - (0.14 + 0.01)/2 
     379                         
     380                        Print "MIDDLE Reference X-center (cm) (Graphite) = ",x_mm/10 + (0.06 + 0.05)/2 
     381                        Print "MIDDLE Reference Y-center (cm) (Graphite) = ",y_mm/10 - (0.14 + 0.01)/2 
    376382                endif 
    377383        endif 
Note: See TracChangeset for help on using the changeset viewer.