Changeset 937 for trunk/User Procedures/Irena/IR3_WAXSDiffraction.ipf

Timestamp:

May 11, 2020 1:47:17 PM (2 years ago)

Author:

ilavsky

Message:

Add Triaxial ellipsoid user form factor

File:

• trunk/User Procedures/Irena/IR3_WAXSDiffraction.ipf (modified) (1 diff)

trunk/User Procedures/Irena/IR3_WAXSDiffraction.ipf

@@ -3383 +3383 @@
         Wave TheCardNew = $((CardName))
         string DimensionUnit=GetDimLabel(TheCardNew, 1, 0 )
-        NVAR DistanceCorrection = root:Packages:Irena:WAXS:DistanceCorrection                   //when DistanceCorrection=1, distacne calibration is perfect, based on my sketch, correction is linear fix. 
+        NVAR DistanceCorrection = root:Packages:Irena:WAXS:DistanceCorrection                   //when DistanceCorrection=1, distacne calibration is perfect, 
+        // based on my sketch, correction is linear fix. actually, approximately (small angle approximation) d = Lambda*Distance/Radius 
         if(stringmatch(DimensionUnit,"d_A"))            //manually inserted, dimension is in d and A
                 TheCardNew[][4] =   114.592 * asin((2 * pi / (DistanceCorrection*TheCard[p][0]))* wavelength / (4*pi))