Update analysis script

  • copy cxif5315/proc-cxif5315-r0169-peaks-from-file-v2.py to ...-v3.py and use v3 file in this test
  • use the same data after peak_finder_v2
  • use the same  curve_fit to peaks with free parameters for angles phi and beta
  • apply image peak rotation in phi and do fraser transformation for β=0
  • change event selection for all peaks |qv|<0.001 1/Å to |qv|<0.02 1/Å
  • add histogram for beta evaluated in indexing

Results

phi and beta angles offsets of central values p0 = [-3.2,-16.0]

 

Plots in h,k and reciprocal space

for all selected events

for 0<β<20° and 180<β<200°

The same plots for V1 of fraser transformation with β≠0

for all selected events

 

for 0<β<20° and 180<β<200°

 

2012-12-17 Mtg with Meng

Preblem: beta from fit does not match beta from look-up table

Things to try

  • play with tolerance
  • when using corrected beta after fit, generate look-up table for beta=0 only
  • use bright peaks only for indexing

 

 

 

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