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#!/usr/bin/env python3
"""
Cylinder form factor in DWBA with beam divergence
"""
import bornagain as ba
from bornagain import ba_plot as bp, deg, nm
def get_sample():
from bornagain import std_samples
return std_samples.cylinders()
def get_simulation(sample):
beam = ba.Beam(1e9, 0.1*nm, 0.2*deg)
n = 11
detector = ba.SphericalDetector(n, 0., 2*deg, n, 0., 2*deg)
simulation = ba.ScatteringSimulation(beam, sample, detector)
distr_1 = ba.DistributionLogNormal(0.1*nm, 0.1, 5, 2)
simulation.addParameterDistribution(
ba.ParameterDistribution.BeamWavelength, distr_1)
distr_2 = ba.DistributionGaussian(0.2*deg, 0.1*deg, 5, 2)
simulation.addParameterDistribution(
ba.ParameterDistribution.BeamGrazingAngle, distr_2)
distr_3 = ba.DistributionGaussian(0, 0.1*deg, 5, 2)
simulation.addParameterDistribution(
ba.ParameterDistribution.BeamAzimuthalAngle, distr_3)
return simulation
if __name__ == '__main__':
sample = get_sample()
simulation = get_simulation(sample)
result = simulation.simulate()
from bornagain import ba_check
ba_check.persistence_test(result)
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