265 lines
8.6 KiB
Python
265 lines
8.6 KiB
Python
from PyQt4.QtCore import QObject, pyqtSignal, Qt
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from PyQt4.QtGui import QColor
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import numpy as N
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import CustomWidgets
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import pyqtgraph as pg
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from PyQt4.QtCore import *
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from mathlib import id_to_color, hn, FitFunctionCreator, Functions
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class Data:
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def __init__(self, frequency=N.zeros(1), die_real=N.zeros(1), die_imag=N.zeros(1)):
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self.frequency = frequency
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self.epsilon = die_real + 1j * die_imag
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self.epsilon_fit = die_real*0 + 1j * die_imag*0
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myPen_imag = pg.mkPen(width=3, color=(255,255,127))
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myPen_real = pg.mkPen(width=3, color=(255,127,127))
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self.data_curve_imag = pg.PlotDataItem(x=[N.nan], y=[N.nan],pen=QColor(0,0,0,0), symbol='o',
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symbolBrush=(255,127,0,127))
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self.data_curve_real = pg.PlotDataItem(x=[N.nan], y=[N.nan],pen=QColor(0,0,0,0), symbol='s',
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symbolBrush=(119,202,92,127))
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self.fitted_curve_imag = pg.PlotDataItem(N.array([N.nan]), N.array([N.nan]), pen=myPen_imag)
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self.fitted_curve_real = pg.PlotDataItem(N.array([N.nan]), N.array([N.nan]), pen=myPen_real)
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self.length = len(frequency)
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self.meta = dict()
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self.fit_limits = [frequency.min(), frequency.max(), die_imag.min(), die_imag.max()]
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self.fit_param = None
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self.fit_funcs = None
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def set_fit(self, param, funcs):
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self.fit_funcs = funcs
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self.fit_param = param
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fit_real, fit_imag = FitFunctionCreator().fitfcn(param, self.frequency, *funcs)
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self.epsilon_fit = fit_real + 1j*fit_imag
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def __del__(self):
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#self.remove_curves()
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pass
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#def set_fit_limits(self, limits=(None,None,None,None)):
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def set_data(self,f,e_real,e_imag):
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self.frequency = f
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self.epsilon = e_real + 1j*e_imag
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self.epsilon_fit = 0*e_real + 1j*e_imag*0
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self.fit_limits = [f.min(), f.max(), e_imag.min(), e_imag.max()]
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self.data_curve_imag.setData(f,e_imag)
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self.data_curve_real.setData(f,e_real)
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def set_fit_xlimits(self, xmin, xmax):
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self.fit_limits[0] = xmin
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self.fit_limits[1] = xmax
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def set_fit_ylimits(self, ymin, ymax):
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self.fit_limits[2] = ymin
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self.fit_limits[3] = ymax
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def get_data(self):
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"""
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"""
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mask = N.ones(len(self.frequency), dtype='bool')
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mask = (self.frequency > self.fit_limits[0]) & (self.frequency < self.fit_limits[1])
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#mask &= (self.epsilon.imag > self.fit_limits[2]) & (self.epsilon.imag < self.fit_limits[3])
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#mask &= (self.epsilon.real > self.fit_limits[2]) & (self.epsilon.real < self.fit_limits[3])
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return self.frequency[mask], self.epsilon[mask]
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def remove_curves(self):
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print "remove data_curve"
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#if self.data_curve is not None: self.data_curve.remove()
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print "remove fitted_curve"
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#if self.fitted_curve is not None: self.fitted_curve.remove()
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class Conductivity(QObject):
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changedData = pyqtSignal()
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def __init__(self, pgPlotWidget=None, limits=None):
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QObject.__init__(self)
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super(Conductivity, self)
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self.widget = CustomWidgets.ConductivityWidget()
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self.widget.changedTable.connect(self.updateData)
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self.f=Functions()
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myPen = pg.mkPen( style=Qt.DashLine, width=1)
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self.color=QColor("black")
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self.data_curve_imag = pg.PlotDataItem(x=N.array([N.nan]), y=N.array([N.nan]), pen=myPen)
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self.data_static_real = pg.PlotDataItem(x=N.array([N.nan]), y=N.array([N.nan]), pen=myPen)
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self.pgPlotWidget = pgPlotWidget
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self.pgPlotWidget.addItem(self.data_curve_imag)
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self.pgPlotWidget.addItem(self.data_static_real)
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self.limits = limits
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self.frequency = None
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self.conductivity = None
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self.epsilon_static = None
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self.id_string = "conductivity"
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def getParameter(self):
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p = self.widget.getTable()
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return p
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def getFixed(self):
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p = self.widget.fixedParameter()
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return p
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def setParameter(self, beta, sd_beta=None):
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self.widget.updateTable(beta, sd_beta)
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self.updateData()
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def updateData(self):
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# get current axis limits
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x_min, x_max, y_min, y_max = self.limits
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self.frequency = N.logspace(N.log10(x_min), N.log10(x_max), 1024)
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eps_static, sigma, sigma_N = self.getParameter()
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y = self.f.cond_cmplx([sigma, sigma_N], self.frequency)
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self.epsilon_static = N.ones(len(self.frequency)) * eps_static
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self.conductivity = y[1] # imaginary part
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self.data_curve_imag.setData(x=self.frequency, y=self.conductivity, label="Cond.")
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self.data_static_real.setData(x=self.frequency, y=self.epsilon_static)
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self.changedData.emit()
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def get_color(self):
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return self.color
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def get_data(self):
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return self.frequency, self.conductivity
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def get_epsilon_static(self):
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return self.frequency, self.epsilon_static
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def removeMe(self):
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self.pg_plot_widget.removeItem(self.data_curve_imag)
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self.pg_plot_widget.removeItem(self.data_static_real)
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class PowerComplex(QObject):
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changedData = pyqtSignal()
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def __init__(self, pgPlotWidget=None, limits=None):
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QObject.__init__(self)
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super(PowerComplex, self)
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self.widget = CustomWidgets.PowerLawWidget()
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self.widget.changedTable.connect(self.updateData)
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self.widget.removeMe.connect(self.removeMe)
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myPen = pg.mkPen( style=Qt.DashLine, width=1.5)
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self.color=QColor("black")
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self.data_curve_real = pg.PlotDataItem(x=N.array([N.nan]), y=N.array([N.nan]), pen=myPen)
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self.pg_plot_widget = pgPlotWidget
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self.pg_plot_widget.addItem(self.data_curve_real)
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self.limits = limits
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self.frequency = None
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self.powerlaw = None
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self.f = Functions()
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self.id_string = 'power'
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def removeMe(self):
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self.pg_plot_widget.removeItem(self.data_curve_real)
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def getParameter(self):
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p = self.widget.getTable()
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return p
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def getFixed(self):
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p = self.widget.fixedParameter()
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return p
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def setParameter(self, beta, sd_beta=None):
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self.widget.updateTable(beta, sd_beta)
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self.updateData()
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def updateData(self):
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# get current axis limits
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x_min, x_max, y_min, y_max = self.limits
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p = self.getParameter()
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self.frequency = N.logspace(N.log10(x_min), N.log10(x_max), 1024)
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self.powerlaw = self.f.power_cmplx(p, self.frequency) [1] # imaginary part
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self.data_curve_real.setData(x=self.frequency, y=self.powerlaw, label="Power Law")
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self.changedData.emit()
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def get_color(self):
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return self.color
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def get_data(self):
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return self.frequency, self.powerlaw
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def conductivity(p, nu):
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c = p[0] / (2 * N.pi * nu) ** p[1]
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return c
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class Peak(QObject):
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changedData = pyqtSignal()
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def __init__(self, id=None, mpl=None, limits=None):
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QObject.__init__(self)
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super(Peak, self).__init__()
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self.widget = CustomWidgets.PeakWidget()
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self.widget.setId(id)
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self.color = id_to_color(id)
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self.widget.setColor(self.color)
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self.widget.changedTable.connect(self.updatePeak)
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self.mpl = mpl
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self.limits = limits
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myPen = pg.mkPen( style=Qt.DashLine, width=2, color=self.color)
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self.mpl_line = pg.PlotDataItem(x=N.array([N.nan]),y=N.array([N.nan]), pen=myPen)
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self.mpl.addItem(self.mpl_line)
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self.frequency = None
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self.epsilon = None
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self.id_string = "hn"
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def getParameter(self):
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p = self.widget.peakParameter()
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return p
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def getFixed(self):
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p = self.widget.fixedParameter()
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return p
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def setParameter(self, beta, sd_beta=None):
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# delta_eps=None, tau=None, a=None, b=None
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self.widget.updateTable(beta=beta, sd_beta=sd_beta)
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self.updatePeak()
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def updatePeak(self):
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# get current axis limits
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# x_min, x_max = self.mpl.canvas.axes.get_xlim()
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# y_min, y_max = self.mpl.canvas.axes.get_ylim()
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x_min,x_max, y_min, y_max = self.limits
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nu = N.logspace(N.log10(x_min), N.log10(x_max), 1024)
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y = hn(self.getParameter(), nu)
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# clip data to axes limits
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#mask = (y < y_max) & (y > y_min)
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#y = y[mask]
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#nu = nu[mask]
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self.frequency = nu[:]
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self.epsilon = y[:]
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self.mpl_line.setData(x=nu, y=y)
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self.changedData.emit()
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def get_color(self):
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return self.color
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def get_data(self):
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return self.frequency,self.epsilon |