def __init__(self, parent):
framework.Template.__init__(self, parent)
plotpanel = self.NewPlotFolder('Test')
inputpanel = self.NewInputFolder('Test')
datapanel = self.NewDataFolder('Test')
menu = self.NewMenu('Test')
iprint('Everyting tested, should be visible :-)')
def __init__(self, fn, userext=[], **kwargs):
"""Initialize SpecDataFile
Parameters
----------
fn : string
Filename of spec file to open
userext : list
A list of user extension classes to run on data
Returns a SpecDataFile object
"""
self.filename = fn
self.mode = 'concat' # Set the default to concatenate multiple files
# User extensions for adding functionality
self.userExtensions = userext
self.userExtensions = self.userExtensions + DefaultUserExtensions
if __verbose__:
for ext in self.userExtensions:
iprint("**** Defining extension %s" % ext.getName())
for ext in self.userExtensions:
ext.initSpec(self)
for arg in kwargs:
# Set any keyword args into the base class
setattr(self, arg, kwargs[arg])
self._loadSpecFile()
return
def AmpElfield2(kx, k, n, z):
kz = sqrt(n[:, newaxis]**2 * k**2 - kx**2)
r = (kz[:-1] - kz[1:]) / (kz[:-1] + kz[1:])
t = 1 + r
X = 0 * ones(kx.shape)
for i in range(len(n) - 2, -1, -1):
X = exp(
-2j * kz[i] * z[i]) * (r[i] + X * exp(2j * kz[i + 1] * z[i])) / (
1 + r[i] * X * exp(2j * kz[i + 1] * z[i]))
iprint(i)
# X=reflected amplitude...
r = (kz[1:] - kz[:-1]) / (kz[:-1] + kz[1:])
t = 1 + r
R = [X]
T = [1 * ones(X.shape)]
for i in range(0, len(n) - 1, 1):
R.append(1 / t[i] * (T[i] * r[i] * exp(-1.0j *
(kz[i + 1] + kz[i]) * z[i]) +
R[i] * exp(-1.0j * (kz[i + 1] - kz[i]) * z[i])))
T.append(1 / t[i] * (T[i] * exp(1.0j * (kz[i + 1] - kz[i]) * z[i]) +
R[i] * r[i] * exp(1.0j *
(kz[i + 1] + kz[i]) * z[i])))
#R[len(n)-1]=0*ones(X.shape)
R = array(R)
T = array(T)
return (T, R, kz)
def __init__(self, parent):
#print "__init__ SXRD Plugin"
framework.Template.__init__(self, parent)
self.setup_script_interactor()
if self.GetModelScript() == '':
self.script_interactor.parse_code(code)
self.SetModelScript(self.script_interactor.get_code())
else:
try:
self.script_interactor.parse_code(self.GetModelScript())
except Exception as e:
iprint("Reflectivity plugin model could not be read.")
self.script_interactor.parse_code(code)
self.SetModelScript(self.script_interactor.get_code())
self.layout_sample_edit()
self.layout_simulation_edit()
self.layout_misc_edit()
self.layout_domain_viewer()
self.create_main_window_menu()
self.OnInteractorChanged(None)
self.update_data_names()
self.simulation_edit_widget.Update()
self.update_widgets()
def simulate(self, instrument, h, k, qz):
self.layer_dic = {}
# Add a q = 0 point for the mean scattering potential
q = np.c_[h * 2 * np.pi / self.a(), k * 2 * np.pi / self.b(), -qz].T
kwargs = {'z': 0.0, 'q': q}
wavelength = instrument.wl(**kwargs)
kwargs['wl'] = wavelength
area_uc = (self.a * self.b)(**kwargs)
dic = self.build_layer_list(['d', 'sld'], kwargs)
vf, d = 4 * np.pi * np.array(dic['sld']), np.array(dic['d'])
kwargs['q'] = np.array([0, 0, 0])
vmean = 4 * np.pi * np.array(
self.build_layer_list(['sld'], kwargs)['sld']) / area_uc
self.layer_dic['sld_mean'] = vmean / 4 / np.pi
self.layer_dic['d'] = d
iprint(vmean.shape, vf.shape)
k_in, k_out = instrument.reflectometer_3axis_kinout(q)
R = grating.coherent_refl(k_in,
k_out,
wavelength,
vf.T,
vmean,
d,
area_uc,
kin=False)
return R
def reflq_kin(q, lamda, n, d, sigma, correct_q=True, return_int=True):
"""Calculates the reflectivity in the kinematical approximation"""
d = d[:-1]
d[0] = 0
z = d.sum() - d.cumsum()
sigma = sigma[:-1]
q0 = 4 * pi / lamda
# Kinematical reflectivity for the interfaces
iprint(n.shape, len(n.shape))
if len(n.shape) == 1:
if correct_q:
# The internal wave vector calacuted with the thickness averaged refractive index.
n_mean = (n[1:-1] * d[1:] / d.sum()).sum()
q_corr = sqrt((n_mean**2 - n[-1]**2) * q0**2 + (n[-1] * q)**2)
else:
q_corr = q
rp = (n[:-1] - n[1:])[:, newaxis] * exp(
-(q_corr * sigma[:, newaxis])**2 / 2)
else:
if correct_q:
# The internal wave vector calacuted with the thickness averaged refractive index.
n_mean = (n[1:-1] * d[1:][:, newaxis] / d.sum()).sum(axis=0)
q_corr = sqrt((n_mean**2 - n[-1]**2) * q0**2 + (n[-1] * q)**2)
else:
q_corr = q
rp = (n[:-1] - n[1:]) * exp(-(q_corr * sigma[:, newaxis])**2 / 2)
p = exp(1.0j * z[:, newaxis] * q_corr)
r = (rp * p).sum(axis=0) * q0**2 / q_corr**2 / 2.
if return_int:
return abs(r)**2
else:
return r
def _getLine(self):
"""Read line from datafile"""
line = self.file.readline()
if __verbose__ & 0x10:
iprint("xxxx %s" % line.strip())
return line
def readHeader(self):
"""Read the spec header from the datafile.
Currently supported header items:
'#O' (Motor positions)
"""
self.file = open(self.filename, 'r')
if __verbose__:
iprint("---- Reading Header.")
self.motors = []
self.file.seek(0, 0)
line = self.file.readline()
while line[0:2] != "#S":
if line[0:2] == "#O":
self.motors = self.motors + splitSpecString(line[4:])
else:
# Run user extensions
for ext in self.userExtensions:
ext.parseSpecHeader(self, line)
line = self.file.readline()
for ext in self.userExtensions:
ext.postProcessSpecHeader(self)
self.file.close()
return
def show(self, prefix="", nperline=4):
"""Return string of statistics on SpecScan"""
p = ""
p = p + "Scan:\n\n"
p = p + "\t%s\n\n" % self.scan
p = p + "Datafile:\n\n"
p = p + "\t%s\n\n" % self.datafile.file.name
p = p + "Scan Command:\n\n"
p = p + "\t%s\n\n" % self.scan_command
p = p + "Scan Constants:\n\n"
j = nperline
typestoprint = [float, str, numpy.ndarray, int, numpy.float64]
for d in self.__dict__:
if d not in self.scandata.values:
if typestoprint.count(type(getattr(self, d))):
p = p + "%-19s " % d
iprint(d, type(getattr(self, d)))
j -= 1
if j == 0:
p = p + "\n"
j = nperline
p = p + "\n\n"
p = p + self.scandata.show(prefix, nperline)
return p
def highlight(self, actor):
# outline = vtk.vtkOutlineFilter()
# print dir(actor)
# print dir(actor.GetProperty())
sphere = vtkSphereSource()
sphere.SetRadius(self.radius * 1.1)
sphere.SetCenter(actor.GetCenter())
sphere.SetThetaResolution(self.theta_res)
sphere.SetPhiResolution(self.phi_res)
spheremapper = vtkPolyDataMapper()
spheremapper.SetInputConnection(sphere.GetOutputPort())
sphereActor = vtkActor()
sphereActor.SetMapper(spheremapper)
sphereActor.GetProperty().SetColor((0.0, 0.0, 0.0))
sphereActor.GetProperty().SetOpacity(0.5)
# sphereActor.GetProperty().SetRepresentationToWireframe()
try:
self.ren.RemoveViewProp(self.sphereActor)
except Exception as e:
iprint(e)
self.ren.AddActor(sphereActor)
self.sphereActor = sphereActor
self.Render()
def ass_X_test(k_b, k_u, k_l, dd_u, dd_l,
sigma, sigma_l, sigma_u, dtype = _ctype):
''' Just a simpler version of ass_X to locate an error somewhere...
'''
k_jm1_b = k_b[...,1:]
k_j_b = k_b[...,:-1]
k_jm1_l = k_l[...,1:]
k_j_u = k_u[...,:-1]
sigma_jm1_l = sigma_l[...,1:]
sigma_j_b = sigma[...,:-1]
sigma_j_u = sigma_u[...,:-1]
dd_jm1_l = dd_l[...,1:]
dd_j_u = dd_u[...,:-1]
iprint(dd_j_u, dd_jm1_l)
#Reflectivites
r_j_b = refl(k_j_b, k_j_u)
#print 'r_j_b', r_j_b
r_jm1_l = refl(k_jm1_l, k_jm1_b)
#print 'r_jm1_l', r_jm1_l
r_j_u = refl(k_j_u, k_jm1_l)
#print 'r_j_u', r_j_u
p_jm1_l = np.exp(-1.0J*dd_jm1_l*k_jm1_l)
p_j_u = np.exp(-1.0J*dd_j_u*k_j_u)
#Defining the X matrix
X = np.empty((2,2) + k_j_b.shape, dtype = dtype)
X[0,0] = p_jm1_l*r_j_u*p_j_u
X[0,1] = -(p_jm1_l*r_j_u-p_jm1_l)/p_j_u
X[1,0] = -((r_j_u-1)*p_j_u)/p_jm1_l
X[1,1] = r_j_u/(p_jm1_l*p_j_u)
return X
def update_data_cols(self, cols, autom=False):
''' Update the choices for the different values'''
iprint(cols)
self.x_val = cols[0]
self.det_val = cols[1]
self.mon_val = cols[2]
self.error_val = cols[3]
xval = self.scan.values[self.x_val]
yvals = [
self.scan.values[self.det_val],
]
if self.mon_val != 'None':
yvals.append(self.scan.values[self.mon_val])
if self.error_val != 'None' and self.error_val != '':
yvals.append(self.scan.values[self.error_val])
if autom:
xval, yvals = automerge(xval, yvals)
# self.dataset.set_extra_data('det', self.scan.values[self.det_val])
self.dataset.set_extra_data('det', yvals[0])
if self.mon_val != 'None':
# self.dataset.set_extra_data('mon', self.scan.values[self.mon_val])
self.dataset.set_extra_data('mon', yvals[1])
if self.error_val != 'None' and self.error_val != '':
self.dataset.error_raw = yvals[2]
elif self.error_val != 'None' and self.error_val != '':
self.dataset.error_raw = yvals[1]
# self.dataset.x_raw = self.scan.values[self.x_val]
self.dataset.x_raw = xval
def reload(self):
"""Reload the data file
This routine reloads (reindexes) the datafile"""
if __verbose__:
iprint("**** Reloading SpecFile")
self._loadSpecFile()
def lookup_value(self, name):
'''lookup_value(self, name) --> object
Used to (externally) lookup a value in a database to be inserted in
local one for this object.
'''
iprint('Looking up value')
return 1
def reset(self):
"""Reset the specfile class
This routine resets the SpecDataFile, as if no scans
had been read."""
self.scandata = {}
if __verbose__:
iprint("**** SpecFile reset (all scans removed)")
def update_domain_view(self):
domain = self.sample_edit_widget.get_selected_domain_name()
if domain:
try:
domain = self.GetModel().eval_in_model(domain)
except Exception:
iprint("Could not load domain ", domain)
else:
self.sample_view.build_sample(domain, use_opacity=False)
def _loadSpecFile(self):
if __verbose__:
iprint("**** Opening specfile %s." % self.filename)
self.index()
self.readHeader()
iprint(self.getStats())
self.scandata = {}
return
def __init__(self):
if os.path.exists(config_file):
try:
known_materials = json.loads(open(config_file, 'r').read())
except json.JSONDecodeError:
iprint("Can't reload material list, file corrupted.")
known_materials = default_materials
else:
known_materials = default_materials
data = [self.prepare(mi) for mi in known_materials]
list.__init__(self, data)
def get_data_choices(self):
'''Function to return the data choices
'''
try:
choices = self.scan.cols
except Exception as e:
iprint("Could not load the scan cols error: ", e.__str__())
ShowErrorDialog(
self.parent,
"Could not load the scan cols, error:\n%s " % e.__str__())
choices = []
return choices
def _moveto(self, item):
"""Move to a location in the datafile for scan"""
if item in self.findex:
self.file.seek(self.findex[item])
else:
# Try re-indexing the file here.
if __verbose__:
iprint("**** Re-indexing scan file\n")
self.index()
if item in self.findex:
self.file.seek(self.findex[item])
else:
raise Exception("Scan %s is not in datafile ....." % item)
def test_correlation_function_h05():
"""Test so that the correlation function for h=0.5 matches the analytical solution."""
eta_r = 1050.
q_r = np.logspace(-5., 0., 100)
c_func = grating_diffuse.correlation_function(q_r, 0.5, eta_r, 0.0, 1e-10)
a = 1 / eta_r
analytical_func = 2. * a / (a**2 + q_r**2)
iprint((np.abs((c_func - analytical_func) / c_func).max()))
if True:
plt.loglog(q_r, c_func)
plt.loglog(q_r, analytical_func)
plt.show()
def load_specfile(self, filename):
self.specfile = spec.SpecDataFile(filename)
names = list(self.specfile.findex.keys())
names.sort()
try:
sc = self.specfile.scan_commands
names = ['%s ' % (name, ) + sc[name] for name in names]
except Exception as e:
iprint("Could not create full names, error: ", e.__str__())
ShowErrorDialog(
self.parent,
"Could not create full names, error:\n %s" % e.__str__())
names = ['%s ' % name for name in names]
self.specfile_name = filename
self.scan_names = names
return self.scan_names
def __init__(self, **kargs):
# Setup all the parameters in the class
for par in self._parameters:
setattr(self, par, self._parameters[par])
iscomplex = type(self._parameters[par]) is complex
# Making the set function
self._make_set_func(par, iscomplex)
# Creating the get function
self._make_get_func(par, iscomplex)
# Set all parameters given as keyword arguments
for k in kargs:
if not k in self._parameters and not k in dir(self):
iprint('%s is not an parameter in %s so it is ignored' %
(k, self.__class__.__name__))
else:
setattr(self, k, kargs[k])
def update_script(self):
"""Updates the script with new data"""
old_script = self.GetModelScript()
if old_script == "":
self.SetModelScript(self.script_interactor.get_code())
else:
try:
self.SetModelScript(self.script_interactor.update_code(old_script))
except Exception as e:
outp = io.StringIO()
traceback.print_exc(200, outp)
tbtext = outp.getvalue()
outp.close()
iprint("Error updating the script: ")
iprint(tbtext)
if self.ShowQuestionDialog('Could not update the script due to syntax issues. Python error: %s\n\n'
'Do you wish to reset the model to the one defined in the user interface?'):
self.SetModelScript(self.script_interactor.get_code())
def _setcols(self):
if self.data.shape[0] > 0:
for i in range(len(self.cols)):
if len(self.data.shape) == 2:
self.scandata.setValue(removeIllegals(self.cols[i]),
self.data[:, i])
else:
self.scandata.setValue(removeIllegals(self.cols[i]),
array([self.data[i]]))
# Now set the variables into the scan class from the data
if self.setkeys:
for i in list(self.scandata.values.keys()):
if __verbose__ & 0x02:
iprint("oooo Setting variable %s" % i)
setattr(self, i, self.scandata.values[i])
self.values = self.scandata.values
def test_marginal_distributions_bvn_int():
"""Test so that the marginal distributions of polynomial_coefficentis_bvn_int is as expected"""
delta_z_slice_int1 = np.linspace(-2.9, 2.9, 200.0)
delta_z_slice_int2 = 2.9 * np.ones_like(delta_z_slice_int1)
sigma1 = 2.0
sigma2 = 1.0
poly = grating_diffuse.polynomial_cofficents_bvn_int(
delta_z_slice_int1, delta_z_slice_int2, sigma1, sigma2)
values = np.polyval(poly, 0.5 * np.ones_like(delta_z_slice_int1))
ref_values = 0.5 * (1 + erf(delta_z_slice_int1 / np.sqrt(2) / sigma1))
iprint((np.abs((values - ref_values) / (ref_values)).max()))
if True:
plt.plot(delta_z_slice_int1, values)
plt.plot(delta_z_slice_int1, ref_values)
plt.show()
def set_manip(self, choices):
'''Sets the manipulations to defualt values as given by
the choices in the form (x, det, mon, error)
'''
iprint(choices)
self.xCtrl.ChangeValue(choices[0])
if choices[2] == 'None':
self.yCtrl.ChangeValue(choices[1])
if choices[3] == 'None':
self.errorCtrl.ChangeValue("sqrt(%s)" % (choices[1], ))
else:
self.errorCtrl.ChangeValue(choices[3])
else:
self.yCtrl.ChangeValue("%s/%s" % (choices[1], choices[2]))
if choices[3] == 'None':
self.errorCtrl.ChangeValue(
"sqrt(1.0/%s + 1.0/%s)*%s/%s" %
(choices[1], choices[2], choices[1], choices[2]))
else:
self.errorCtrl.ChangeValue(choices[3])
def test_calc_fields_single_interface():
qz = np.linspace(0.0001, 0.5, 500)
t, r, k_z = grating.calc_fields(
qz / 2., 1.54, np.array([9e-5, 9e-5, 0], dtype=np.complex128),
np.array([0.0, 0.0, 0.0]))
t_theory = 2 * k_z[:, -1] / (k_z[:, 0] + k_z[:, -1])
r_theory = (k_z[:, -1] - k_z[:, 0]) / (k_z[:, 0] + k_z[:, -1])
iprint((t_theory - t[:, 0]).max())
iprint((r_theory - r[:, 1]).max())
if False:
plt.subplot(211)
plt.plot(qz, np.abs(t[:, 0])**2)
plt.plot(qz, np.abs(t_theory)**2)
plt.subplot(212)
plt.semilogy(qz, np.abs(r[:, -1])**2)
plt.semilogy(np.abs(r_theory)**2)
plt.show()
def setMode(self, mode='concatenate'):
"""Set the modee to deal with multiple scans
mode : string
If mode is 'concatenate' then concatenate scans together.
If mode is 'bin' then bin (numerically the scans together.
"""
if mode == 'concatenate':
self.mode = 'concat'
iprint("**** Multiple scans will be concatenated.")
return
elif mode == 'bin':
self.mode = 'bin'
iprint("**** Multiple scans will be binned.")
return
else:
raise Exception("Unknown mode %s" % mode)
return
def OnChangeCursorState(self, event):
"""Callback when changing the cursor state between select, orbit, zoom and pan"""
iprint(self.toolbar)
if self.toolbar:
[self.toolbar.ToggleTool(cid, False) for cid in self.cursor_ids]
self.toolbar.ToggleTool(event.GetId(), True)
name = self.toolbar.FindById(event.GetId()).GetLabel()
if self.cursor_mode == 'select':
self.textActor.VisibilityOff()
self.sphereActor.VisibilityOff()
self.Render()
if name == 'Select':
self.cursor_mode = 'select'
elif name == 'Orbit':
self.cursor_mode = 'orbit'
elif name == 'Zoom':
self.cursor_mode = 'zoom'
elif name == 'Pan':
self.cursor_mode = 'pan'
else:
iprint('VTKView.OnChangeCursorState: Button name ', name, 'is not a known button')