def __call__(self, npts = 101):
"""
Perform test and produce output file
@param npts: number of points to average over
@return: True if the test passed, otherwise False
"""
passed = True
model = EllipticalCylinderModel()
theta_label = 'cyl_theta'
if not model.params.has_key(theta_label):
theta_label = 'axis_theta'
phi_label = 'cyl_phi'
if not model.params.has_key(phi_label):
phi_label = 'axis_phi'
output_f = open("average_func.txt",'w')
output_f.write("<q_average> <2d_average> <1d_average>\n")
for i_q in range(1, 15):
q = 0.3/15.0*i_q
value = self.average_point_3D(model, q, npts)
ana = model.run(q)
if q<0.3 and (value-ana)/ana>0.05:
passed = False
output_f.write("%10g %10g %10g\n" % (q, value, ana))
if self.verbose:
print "Q=%g: %10g %10g %10g %10g" % (q, value, ana, value-ana, value/ana)
output_f.close()
return passed
def setUp(self):
from sas.models.EllipticalCylinderModel import EllipticalCylinderModel
self.model= EllipticalCylinderModel()
self.model.setParam('scale', 1.0)
self.model.setParam('r_minor', 20.0)
self.model.setParam('r_ratio', 1.5)
self.model.setParam('length', 400.0)
self.model.setParam('sldCyl', 4.0e-6)
self.model.setParam('sldSolv', 1.0e-6)
self.model.setParam('background', 0.0)
self.model.setParam('cyl_theta', 90)
self.model.setParam('cyl_phi', 0.0)
self.model.setParam('cyl_psi', 0.0)
def checkCylinder(self, points):
"""
Compare the average over all orientations
of the main cylinder axis for a cylinder
and the elliptical cylinder with r_ratio = 1
@param points: number of points to average over
@return: True if the test passed, otherwise False
"""
from sas.models.CylinderModel import CylinderModel
passed = True
npts =points
model = EllipticalCylinderModel()
model.setParam('r_ratio', 1.0)
model.setParam("r_minor", 20)
model.setParam("cyl_theta", 90)
model.setParam("cyl_phi", 0.0)
model.setParam("length", 400)
model.setParam("sldEll", 2.0e-6)
model.setParam("sldSolv", 1.0e-6)
cyl = CylinderModel()
cyl.setParam("cyl_theta", 90)
cyl.setParam("cyl_phi", 0.0)
cyl.setParam("radius", 20)
cyl.setParam("length", 400)
cyl.setParam("sldCyl", 2.0e-6)
cyl.setParam("sldSolv", 1.0e-6)
output_f = open("average_func.txt",'w')
output_f.write("<q_average> <2d_average> <1d_average>\n")
for i_q in range(1, 15):
q = 0.3/15.0*i_q
value = self.average_point_2D(model, q, npts)
ana = cyl.run(q)
if q<0.3 and math.fabs(value-ana)/ana>0.05:
passed = False
output_f.write("%10g %10g %10g\n" % (q, value, ana))
if self.verbose:
print "Q=%g: %10g %10g %10g %10g" % (q, value, ana, value-ana, value/ana)
output_f.close()
return passed
def checkCylinder2D(self, phi):
"""
Check that the 2D scattering intensity reduces
to a cylinder when r_ratio = 1.0
@param phi: angle of the vector q on the detector
@return: True if the test passed, otherwise False
"""
from sas.models.CylinderModel import CylinderModel
cyl = CylinderModel()
cyl.setParam("cyl_theta", 90)
cyl.setParam("cyl_phi", 0.0)
cyl.setParam("radius", 20)
cyl.setParam("length", 400)
cyl.setParam("sldCyl", 2.0e-6)
cyl.setParam("sldSolv", 1.0e-6)
ell = EllipticalCylinderModel()
ell.setParam("r_ratio", 1.0)
ell.setParam("r_minor", 20)
ell.setParam("cyl_theta", 90)
ell.setParam("cyl_phi", 0.0)
ell.setParam("length", 400)
ell.setParam("sldCyl", 2.0e-6)
ell.setParam("sldSolv", 1.0e-6)
passed = True
for i_q in range(1, 30):
q = 0.025 * i_q
ell_val = ell.run([q, phi])
cyl_val = cyl.run([q, phi])
if self.verbose:
print "Q=%g Ell=%g Cyl=%g R=%g" % (q, ell_val, cyl_val,
ell_val / cyl_val)
if math.fabs(ell_val - cyl_val) / cyl_val > 0.05:
passed = False
return passed
def setUp(self):
from sas.models.EllipticalCylinderModel import EllipticalCylinderModel
from sas.models.DiamCylFunc import DiamCylFunc
self.comp = EllipticalCylinderModel()
self.diam = DiamCylFunc()
