Ignore:
Timestamp:
Feb 27, 2019 3:51:37 PM (4 years ago)
Author:
srkline
Message:

more bug fixes for the VCALC functionality

File:
1 edited

Legend:

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  • sans/Dev/trunk/NCNR_User_Procedures/Reduction/VSANS/V_Instrument_Resolution.ipf

    r1128 r1130  
    311311         
    312312        BS *= 0.5*0.1                   //nominal BS diameter passed in, convert to radius and [cm] 
    313         // 21 MAR 07 SRK - use the projected BS diameter, based on a point sample aperture 
    314         Variable LB 
    315         LB = 20.1 + 1.61*BS                     //distance in cm from beamstop to anode plane (empirical) 
    316         BS = bs + bs*lb/(l2-lb)         //adjusted diameter of shadow from parallax 
     313 
     314// TODO -- this empirical correction is for the geometry of the SANS beamstop location and the  
     315//   Ordela detector construction. For now on VSANS, don't correct for the projection. 
     316//      // 21 MAR 07 SRK - use the projected BS diameter, based on a point sample aperture 
     317//      Variable LB 
     318//      LB = 20.1 + 1.61*BS                     //distance in cm from beamstop to anode plane (empirical) 
     319//      BS = bs + bs*lb/(l2-lb)         //adjusted diameter of shadow from parallax 
    317320         
    318321        //Start resolution calculation 
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