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#!/usr/bin/env python3
"""
Basic example of a DWBA simulation of a GISAS experiment.
"""
import bornagain as ba
from bornagain import ba_plot as bp, deg, nm
def get_sample():
"""
Standard sample model: dilute random assembly of cylinders on a substrate.
"""
from bornagain import std_samples
return std_samples.cylinders()
def get_simulation(sample):
# Beam
wavelength = 0.1*nm
alpha_i = 0.2*deg
beam = ba.Beam(1e9, wavelength, alpha_i)
# Detector
n = 200
detector = ba.SphericalDetector(n, -2*deg, 2*deg, n, 0., 3*deg)
return ba.ScatteringSimulation(beam, sample, detector)
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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