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# file name: ./v02-lut-cxif5315-r0169-2016-02-03T15:10:48.txt
# photon energy = 6003.1936 eV
# wavelength = 2.0653 A
# wave number/Evald radius k = 1/lambda = 0.484187 1/A
# sigma_ql = 0.001453 1/A (approximately = k * <pixel size>/
# sigma_qt = 0.000484 1/A (approximately = k * <pixel size>/<sample-to-detector distance> = k*100um/100mm)
# 3*sigma_ql = 0.004358 1/A
# 3*sigma_qt = 0.001453 1/A
# Triclinic crystal cell parameters:
# a = 18.55 A
# b = 27.19 A
# c = 4.86 A
# alpha = 90.00 deg
# beta = 90.00 deg
# gamma = 78.47 deg
# 3-d space primitive vectors:
# a1 = ( 18.550000, 0.000000, 0.000000)
# a2 = ( -5.435624, 26.645524, 0.000000)
# a3 = ( 0.000000, 0.000000, 4.860100)
# reciprocal space primitive vectors:
# b1 = ( 0.053908, 0.010997, -0.000000)
# b2 = ( 0.000000, 0.037530, 0.000000)
# b3 = ( 0.000000, -0.000000, 0.205757)
# _________________________________________________________________________________________
# beta 0.00 omega 0.00 degree
# index beta omega h k l dr[1/A] R(h,k,l) qv[1/A] qh[1/A] P(omega)
1 0.00 0.00 0 -1 0 0.001452 0.037530 0.000000 -0.037446 0.606641
1 0.00 0.00 0 1 0 0.001452 0.037530 0.000000 0.037446 0.606641
1 0.00 0.00 -1 6 0 -0.003549 0.220861 0.000000 0.221647 0.050590
# beta 0.00 omega 0.50 degree
# index beta omega h k l dr[1/A] R(h,k,l) qv[1/A] qh[1/A] P(omega)
2 0.00 0.50 0 -1 0 0.001779 0.037530 0.000000 -0.037419 0.472496
2 0.00 0.50 0 1 0 0.001126 0.037530 0.000000 0.037469 0.740615
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Check for look-up table
Method cxif5315/plot-lattice-from-data.py generates two plots from look-up table;
- intensities for omega vs. qh
- reconstructed lattice from measured omega and qh
- the same image convolved with 2-d gaussian weight matrix arr_2d_gauss(2, 1.5)
Mask
Mask is regenerated for equatorial region as
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Wedge 871.5 878 450 383 148 196 1 k False False
Wedge 871.5 878 450 383 -27 21 1 k False False
where parameters
t = pars[0] # figure type, ex. 'Wedge'
x = float(pars[1]) # x coordinate of the wedge center
y = float(pars[2]) # y coordinate of the wedge center
r = float(pars[3]) # 1-st radius of the wedge
w = float(pars[4]) # radial width of the wedge
t1 = float(pars[5]) # 1-st angle
t2 = float(pars[6]) # 2-nd angle
lw = int(pars[7]) # line width
col = str(pars[8]) # color
s = self.dicBool[pars[9].lower()] # isSelected boolean parameter
rem = self.dicBool[pars[10].lower()] # isRemoved - helper parameter |
Lattice reconstructed by Meng
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