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#!/usr/bin/env python3
"""
Cylinder form factor in DWBA with constant background
"""
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(1e6, 0.1*nm, 0.2*deg)
n = 100
detector = ba.SphericalDetector(n, 0., 2*deg, n, 0., 2*deg)
simulation = ba.ScatteringSimulation(beam, sample, detector)
background = ba.ConstantBackground(1e3)
simulation.setBackground(background)
return simulation
if __name__ == '__main__':
sample = get_sample()
simulation = get_simulation(sample)
result = simulation.simulate()
plotargs = bp.parse_commandline()
bp.plot_datafield(result, **plotargs)
bp.export(**plotargs)
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