def get_sample(params):
"""
Returns a sample with uncorrelated cylinders and pyramids.
"""
radius_a = params["radius_a"]
radius_b = params["radius_b"]
height = params["height"]
m_vacuum = ba.HomogeneousMaterial("Vacuum", 0.0, 0.0)
m_substrate = ba.HomogeneousMaterial("Substrate", 6e-6, 2e-8)
m_particle = ba.HomogeneousMaterial("Particle", 6e-4, 2e-8)
formfactor = ba.FormFactorHemiEllipsoid(radius_a, radius_b, height)
particle = ba.Particle(m_particle, formfactor)
layout = ba.ParticleLayout()
layout.addParticle(particle)
vacuum_layer = ba.Layer(m_vacuum)
vacuum_layer.addLayout(layout)
substrate_layer = ba.Layer(m_substrate)
multi_layer = ba.MultiLayer()
multi_layer.addLayer(vacuum_layer)
multi_layer.addLayer(substrate_layer)
return multi_layer
def get_sample(radius_a=4.0*nm, radius_b=4.0*nm, height=4.0*nm):
"""
Returns a sample with uncorrelated cylinders and pyramids.
"""
m_air = ba.HomogeneousMaterial("Air", 0.0, 0.0)
m_substrate = ba.HomogeneousMaterial("Substrate", 6e-6, 2e-8)
m_particle = ba.HomogeneousMaterial("Particle", 6e-4, 2e-8)
formFactor = ba.FormFactorHemiEllipsoid(radius_a, radius_b, height)
hemiEllipsoid = ba.Particle(m_particle, formFactor)
particle_layout = ba.ParticleLayout()
particle_layout.addParticle(hemiEllipsoid)
air_layer = ba.Layer(m_air)
air_layer.addLayout(particle_layout)
substrate_layer = ba.Layer(m_substrate, 0)
multi_layer = ba.MultiLayer()
multi_layer.addLayer(air_layer)
multi_layer.addLayer(substrate_layer)
return multi_layer
phi_min, phi_max = -2.0, 2.0
alpha_min, alpha_max = 0.0, 2.0
formfactors = [
ba.FormFactorAnisoPyramid(20.0, 16.0, 13.0, 60.0 * deg),
ba.FormFactorBox(20.0, 16.0, 13.0),
ba.FormFactorCantellatedCube(15.0, 6.0),
ba.FormFactorCone(10.0, 13.0, 60.0 * deg),
ba.FormFactorCone6(10.0, 13.0, 60.0 * deg),
ba.FormFactorCuboctahedron(20.0, 13.0, 0.7, 60.0 * deg),
ba.FormFactorCylinder(8.0, 16.0),
ba.FormFactorDodecahedron(5.0),
ba.FormFactorEllipsoidalCylinder(8.0, 13.0, 16.0),
ba.FormFactorFullSphere(8.0),
ba.FormFactorFullSpheroid(10.0, 13.0),
ba.FormFactorHemiEllipsoid(10.0, 6.0, 8.0),
ba.FormFactorIcosahedron(8.0),
ba.FormFactorPrism3(10.0, 13.0),
ba.FormFactorPrism6(5.0, 11.0),
ba.FormFactorPyramid(18.0, 13.0, 60.0 * deg),
ba.FormFactorCosineRippleBox(27.0, 20.0, 14.0),
ba.FormFactorSawtoothRippleBox(36.0, 25.0, 14.0, 3.0),
ba.FormFactorTetrahedron(15.0, 6.0, 60.0 * deg),
ba.FormFactorTruncatedCube(15.0, 6.0),
ba.FormFactorTruncatedSphere(5.0, 7.0, 0),
ba.FormFactorTruncatedSpheroid(7.5, 9.0, 1.2, 0),
]
def get_sample(formfactor):
"""
"""
Plot form factor.
"""
import bornagain as ba
from bornagain import nanometer, degree
import bornplot as bp
det = bp.Detector(200, 0, 5, 0, 5)
n = 4
results = []
for i in range(n):
omega = 90 * i / (n - 1)
title = r'$\omega=%d^\circ$' % omega
ff = ba.FormFactorHemiEllipsoid(10 * nanometer, 3.8 * nanometer,
3.2 * nanometer)
trafo = ba.RotationZ(omega * degree)
data = bp.run_simulation(det, ff, trafo)
results.append(bp.Result(i, data, title))
bp.make_plot(results, det, "ff_HemiEllipsoid")