142 lines
4.1 KiB
Python
142 lines
4.1 KiB
Python
from PyQt4.QtCore import QObject, pyqtSignal, Qt, pyqtSlot
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from PyQt4.QtGui import QColor
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import numpy as np
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import pyqtgraph as pg
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__author__ = 'markusro'
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class BaseContainer(QObject):
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changedData = pyqtSignal()
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removeObj = pyqtSignal(QObject)
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def __init__(self, plt_real=None, plt_imag=None, limits=None):
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super(BaseContainer, self).__init__()
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myPen = pg.mkPen( style=Qt.DotLine,
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width=2.5)
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self.data_curve_real = pg.PlotDataItem(x=np.array([np.nan]),y=np.array([np.nan]), pen=myPen)
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self.plt_real = plt_real
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self.plt_real.addItem(self.data_curve_real)
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self.data_curve_imag = pg.PlotDataItem(x=np.array([np.nan]),y=np.array([np.nan]), pen=myPen)
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self.plt_imag = plt_imag
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self.plt_imag.addItem(self.data_curve_imag)
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self.limits = limits
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# private varaibles
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self._color = QColor("white")
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self._id_label = None
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self._id_string = None
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self._widget = None
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self._frequency = np.logspace(np.log10(limits[0]), np.log10(limits[1]), 256)
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self._data = None
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self._func = None
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self._beta = None
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self._sd_beta = None
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self._selector_mask = None
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self._param_number = 0
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self._abort = False
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def set_limits(self, limits):
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self.limits = limits
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self.update_data()
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@pyqtSlot(bool)
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def abort(self, abort=False):
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self._abort = abort
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@property
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def param_number(self):
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return self._param_number
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@param_number.setter
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def param_number(self, num):
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self._param_number = num
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@property
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def id_string(self):
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return self._id_string
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@id_string.setter
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def id_string(self, id):
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#self._func = self.functions.get_function(id)
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self._id_string = id
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@property
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def id_label(self):
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return self._id_label
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@id_label.setter
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def id_label(self, id):
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#self._func = self.functions.get_function(id)
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self._func = self.function
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self._id_label = id
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@property
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def color(self):
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return self._color
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@color.setter
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def color(self, c):
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self._color = c
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self.data_curve_real.setPen(color=c, style=Qt.DotLine, width=2.5)
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self.data_curve_imag.setPen(color=c, style=Qt.DotLine, width=2.5)
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@property
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def widget(self):
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return self._widget
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@widget.setter
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def widget(self, wdgt):
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self._widget = wdgt
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self._widget.changedTable.connect(self.update_data) # TODO better to use self.setParameter
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self.removeObj.connect(self._widget.deleteLater)
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self._widget.removeMe.connect(self.removeMe)
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def get_parameter( self ):
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p = self.widget.getTable() # TODO ugly ... should return self._beta etc ...?
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return p
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def get_fixed( self ):
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p = self.widget.fixedParameter()
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return p
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def set_parameter( self, beta, sd_beta=None ):
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self._beta = beta
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self._sd_beta = sd_beta
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self.widget.update_table(beta, sd_beta)
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self.update_data()
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def get_data(self):
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return self._frequency, self._data
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def removeMe(self):
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self.plt_imag.removeItem(self.data_curve_imag)
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self.plt_real.removeItem(self.data_curve_real)
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self.removeObj.emit(self)
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self.changedData.emit()
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def update_data( self ):
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self._frequency = np.logspace(np.log10(self.limits[0]), np.log10(self.limits[1]), 256)
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self._data = self._func(self.get_parameter(), self._frequency)
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self.data_curve_real.setData(x=self._frequency, y=self._data[0])
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self.data_curve_imag.setData(x=self._frequency, y=self._data[1])
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self.changedData.emit()
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def resampleData(self, x):
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data = self._func(self.get_parameter(), x)
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return np.array([x,data[0],data[1]]).T
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def clear_data( self ):
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self.data_curve_real.setData(x=[np.nan], y=[np.nan])
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self.data_curve_imag.setData(x=[np.nan], y=[np.nan])
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def function(self,p,x):
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if self._abort: raise StopIteration
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#raise NotImplementedError, "This needs to be implemented in your subclass" |