/usr/lib/python2.7/dist-packages/PyMca/SimpleFitControlWidget.py is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
import sys
from PyMca import PyMcaQt as qt
QTVERSION = qt.qVersion()
if QTVERSION < '4.0.0':
raise ImportError("This module requires Qt4")
class FitFunctionDefinition(qt.QGroupBox):
def __init__(self, parent=None):
qt.QGroupBox.__init__(self, parent)
self.setTitle("Function Definition")
self.mainLayout = qt.QGridLayout(self)
self.mainLayout.setMargin(2)
self.mainLayout.setSpacing(2)
row = 0
#actual fit function
self.fitFunctionCheckBox = qt.QCheckBox(self)
self.fitFunctionCheckBox.setText("Fit Function to be used")
self.fitFunctionCombo = qt.QComboBox(self)
self.fitFunctionCombo.addItem(str("None"))
self.connect(self.fitFunctionCombo,
qt.SIGNAL("activated(int)"),
self._fitFunctionComboActivated)
self.fitFunctionSetupButton = qt.QPushButton(self)
self.fitFunctionSetupButton.setText('SETUP')
self.fitFunctionSetupButton.setAutoDefault(False)
self.fitFunctionSetupButton.hide()
self.mainLayout.addWidget(self.fitFunctionCheckBox, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.fitFunctionSetupButton, row, 2)
self.mainLayout.addWidget(self.fitFunctionCombo, row, 3)
row += 1
#background
self.backgroundCheckBox = qt.QCheckBox(self)
self.backgroundCheckBox.setText("Background function")
self.backgroundCombo = qt.QComboBox(self)
self.backgroundCombo.addItem(str("None"))
self.connect(self.backgroundCombo,
qt.SIGNAL("activated(int)"),
self._backgroundComboActivated)
self.backgroundSetupButton = qt.QPushButton(self)
self.backgroundSetupButton.setText('SETUP')
self.backgroundSetupButton.setAutoDefault(False)
self.backgroundSetupButton.hide()
self.mainLayout.addWidget(self.backgroundCheckBox, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.backgroundSetupButton, row, 2)
self.mainLayout.addWidget(self.backgroundCombo, row, 3)
row += 1
#stripping
self.stripCheckBox = qt.QCheckBox(self)
self.stripCheckBox.setText("Non-analytical (or estimation) background algorithm")
self.stripCombo = qt.QComboBox(self)
self.stripCombo.addItem(str("Strip"))
self.stripCombo.addItem(str("SNIP"))
self.stripSetupButton = qt.QPushButton(self)
self.stripSetupButton.setText('SETUP')
self.stripSetupButton.setAutoDefault(False)
self.connect(self.stripCombo,
qt.SIGNAL("activated(int)"),
self._stripComboActivated)
self.mainLayout.addWidget(self.stripCheckBox, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.stripSetupButton, row, 2)
self.mainLayout.addWidget(self.stripCombo, row, 3)
row += 1
self.snipWidthLabel = qt.QLabel(self)
self.snipWidthLabel.setText(str("SNIP Background Width"))
self.snipWidthSpin = qt.QSpinBox(self)
self.snipWidthSpin.setMinimum(1)
self.snipWidthSpin.setMaximum(300)
self.snipWidthSpin.setValue(10)
self.mainLayout.addWidget(self.snipWidthLabel, row, 0)
self.mainLayout.addWidget(self.snipWidthSpin, row, 3)
row += 1
self.stripWidthLabel = qt.QLabel(self)
self.stripWidthLabel.setText(str("Strip Background Width"))
self.stripWidthSpin = qt.QSpinBox(self)
self.stripWidthSpin.setMinimum(1)
self.stripWidthSpin.setMaximum(100)
self.stripWidthSpin.setValue(4)
self.mainLayout.addWidget(self.stripWidthLabel, row, 0)
self.mainLayout.addWidget(self.stripWidthSpin, row, 3)
row += 1
self.stripIterLabel = qt.QLabel(self)
self.stripIterLabel.setText(str("Strip Background Iterations"))
self.stripIterSpin = qt.QSpinBox(self)
self.stripIterSpin.setMinimum(0)
self.stripIterSpin.setMaximum(100000)
self.stripIterSpin.setValue(5000)
self.mainLayout.addWidget(self.stripIterLabel, row, 0)
self.mainLayout.addWidget(self.stripIterSpin, row, 3)
row += 1
self.stripFilterLabel = qt.QLabel(self)
text = str("Strip Background Smoothing Width (Savitsky-Golay)")
self.stripFilterLabel.setText(text)
self.stripFilterSpin = qt.QSpinBox(self)
self.stripFilterSpin.setMinimum(0)
self.stripFilterSpin.setMaximum(40)
self.stripFilterSpin.setSingleStep(2)
self.mainLayout.addWidget(self.stripFilterLabel, row, 0)
self.mainLayout.addWidget(self.stripFilterSpin, row, 3)
row += 1
#anchors
self.anchorsContainer = qt.QWidget(self)
anchorsContainerLayout = qt.QHBoxLayout(self.anchorsContainer)
anchorsContainerLayout.setMargin(2)
anchorsContainerLayout.setSpacing(2)
self.stripAnchorsCheckBox = qt.QCheckBox(self.anchorsContainer)
self.stripAnchorsCheckBox.setText(str("Strip Background use Anchors"))
anchorsContainerLayout.addWidget(self.stripAnchorsCheckBox)
self.stripAnchorsList = []
for i in range(4):
anchor = qt.QLineEdit(self.anchorsContainer)
anchor._v = qt.QDoubleValidator(anchor)
anchor.setValidator(anchor._v)
anchor.setText("0.0")
anchorsContainerLayout.addWidget(anchor)
self.stripAnchorsList.append(anchor)
self.mainLayout.addWidget(self.anchorsContainer, row, 0, 1, 4)
row += 1
#signals
self.connect(self.fitFunctionSetupButton,
qt.SIGNAL('clicked()'),
self.setupFitFunction)
self.connect(self.backgroundSetupButton,
qt.SIGNAL('clicked()'),
self.setupBackground)
self.connect(self.stripSetupButton,
qt.SIGNAL('clicked()'),
self.setupStrip)
def _stripComboActivated(self, iValue):
if iValue == 1:
self.setSNIP(True)
else:
self.setSNIP(False)
def _fitFunctionComboActivated(self, iValue):
ddict = {}
ddict['event'] = "fitFunctionChanged"
ddict['fit_function'] = str(self.fitFunctionCombo.currentText())
self.emit(qt.SIGNAL("FitFunctionDefinitionSignal"), ddict)
def _backgroundComboActivated(self, iValue):
ddict = {}
ddict['event'] = "backgroundFunctionChanged"
ddict['background_function'] = str(self.backgroundCombo.currentText())
self.emit(qt.SIGNAL("FitFunctionDefinitionSignal"), ddict)
def setSNIP(self, bValue):
if bValue:
self.snipWidthSpin.setEnabled(True)
self.stripWidthSpin.setEnabled(False)
self.stripIterSpin.setEnabled(False)
self.stripCombo.setCurrentIndex(1)
else:
self.snipWidthSpin.setEnabled(False)
self.stripWidthSpin.setEnabled(True)
self.stripIterSpin.setEnabled(True)
self.stripCombo.setCurrentIndex(0)
def setFunctions(self, functionList):
currentFunction = str(self.fitFunctionCombo.currentText())
currentBackground = str(self.backgroundCombo.currentText())
self.fitFunctionCombo.clear()
self.backgroundCombo.clear()
self.fitFunctionCombo.addItem('None')
self.backgroundCombo.addItem('None')
for key in functionList:
self.fitFunctionCombo.addItem(str(key))
self.backgroundCombo.addItem(str(key))
#restore previous values
idx = self.fitFunctionCombo.findText(currentFunction)
self.fitFunctionCombo.setCurrentIndex(idx)
idx = self.backgroundCombo.findText(currentBackground)
self.backgroundCombo.setCurrentIndex(idx)
def getFunctions(self):
functionList = []
n = self.fitFunctionCombo.count()
for i in range(n):
if i == 0:
continue
functionList.append(str(self.fitFunctionCombo.itemText(i)))
return functionList
def setupFitFunction(self):
print("FUNCTION SETUP CALLED")
def setupBackground(self):
print("Background SETUP CALLED")
def setupStrip(self):
ddict = {}
ddict['event'] = "stripSetupCalled"
ddict['strip_function'] = str(self.stripCombo.currentText())
ddict['stripalgorithm'] = self.stripCombo.currentIndex()
self.emit(qt.SIGNAL("FitFunctionDefinitionSignal"), ddict)
class FitControl(qt.QGroupBox):
def __init__(self, parent=None):
qt.QGroupBox.__init__(self, parent)
self.setTitle("Fit Control")
self.mainLayout = qt.QGridLayout(self)
self.mainLayout.setMargin(2)
self.mainLayout.setSpacing(2)
row =0
#linear fit
self.fitAlgorithmLabel = qt.QLabel(self)
self.fitAlgorithmLabel.setText("Fit algorithm")
self.fitAlgorithmCombo = qt.QComboBox(self)
self.fitAlgorithmCombo.addItem(str("Levenberg-Marquardt"))
self.fitAlgorithmCombo.addItem(str("Linear Fit"))
self.mainLayout.addWidget(self.fitAlgorithmLabel, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.fitAlgorithmCombo, row, 3)
row += 1
#weighting
self.weightLabel = qt.QLabel(self)
self.weightLabel.setText("Statistical weighting of data")
self.weightCombo = qt.QComboBox(self)
self.weightCombo.addItem(str("NO Weight"))
self.weightCombo.addItem(str("Poisson (1/Y)"))
self.mainLayout.addWidget(self.weightLabel, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.weightCombo, row, 3)
row += 1
#function estimation policy
self.functionEstimationLabel = qt.QLabel(self)
self.functionEstimationLabel.setText("Function estimation policy")
self.functionEstimationCombo = qt.QComboBox(self)
self.functionEstimationCombo.addItem(str("Use configuration"))
self.functionEstimationCombo.addItem(str("Estimate once"))
self.functionEstimationCombo.addItem(str("Estimate always"))
self.functionEstimationCombo.setCurrentIndex(2)
self.mainLayout.addWidget(self.functionEstimationLabel, row, 0)
self.mainLayout.addWidget(self.functionEstimationCombo, row, 3)
row += 1
#background estimation policy
self.backgroundEstimationLabel = qt.QLabel(self)
text = "Background estimation policy"
self.backgroundEstimationLabel.setText(text)
self.backgroundEstimationCombo = qt.QComboBox(self)
self.backgroundEstimationCombo.addItem(str("Use configuration"))
self.backgroundEstimationCombo.addItem(str("Estimate once"))
self.backgroundEstimationCombo.addItem(str("Estimate always"))
self.backgroundEstimationCombo.setCurrentIndex(2)
self.mainLayout.addWidget(self.backgroundEstimationLabel, row, 0)
self.mainLayout.addWidget(self.backgroundEstimationCombo, row, 3)
row += 1
#number of iterations
self.iterLabel = qt.QLabel(self)
self.iterLabel.setText(str("Maximum number of fit iterations"))
self.iterSpin = qt.QSpinBox(self)
self.iterSpin.setMinimum(1)
self.iterSpin.setMaximum(10000)
self.iterSpin.setValue(10)
self.mainLayout.addWidget(self.iterLabel, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.iterSpin, row, 3)
row += 1
#chi square handling
self.chi2Label = qt.QLabel(self)
self.chi2Label.setText(str("Minimum chi^2 difference (%)"))
if 0:
self.chi2Value = qt.QLineEdit(self)
self.chi2Value._v = qt.QDoubleValidator(self.chi2Value)
self.chi2Value.setValidator(self.chi2Value._v)
self.chi2Value.setText(str("0.001"))
else:
self.chi2Value = qt.QDoubleSpinBox(self)
self.chi2Value.setDecimals(4)
self.chi2Value.setMinimum(0.0001)
self.chi2Value.setMaximum(100.)
self.chi2Value.setSingleStep(0.0001)
self.chi2Value.setValue(0.001)
self.mainLayout.addWidget(self.chi2Label, row, 0)
self.mainLayout.addWidget(qt.HorizontalSpacer(self), row, 1)
self.mainLayout.addWidget(self.chi2Value, row, 3)
row +=1
#fitting region
self.regionTopLine = qt.QFrame(self)
self.regionTopLine.setFrameShape(qt.QFrame.HLine)
self.regionTopLine.setFrameShadow(qt.QFrame.Sunken)
self.regionTopLine.setFrameShape(qt.QFrame.HLine)
self.regionCheckBox = qt.QCheckBox(self)
self.regionCheckBox.setText(str("Limit fitting region to :"))
self.firstLabel = qt.QLabel(self)
firstLabel_font = qt.QFont(self.firstLabel.font())
firstLabel_font.setItalic(1)
self.firstLabel.setFont(firstLabel_font)
self.firstLabel.setText(str("First X Value "))
self.firstLabel.setAlignment(qt.Qt.AlignVCenter | qt.Qt.AlignRight)
self.firstValue = qt.QLineEdit(self)
self.firstValue._v = qt.QDoubleValidator(self.firstValue)
self.firstValue.setValidator(self.firstValue._v)
self.firstValue.setText(str("0."))
self.lastLabel = qt.QLabel(self)
lastLabel_font = qt.QFont(self.lastLabel.font())
lastLabel_font.setItalic(1)
self.lastLabel.setFont(lastLabel_font)
self.lastLabel.setText(str("Last X Value "))
self.lastLabel.setAlignment(qt.Qt.AlignVCenter | qt.Qt.AlignRight)
self.lastValue = qt.QLineEdit(self)
self.lastValue._v = qt.QDoubleValidator(self.lastValue)
self.lastValue.setValidator(self.lastValue._v)
self.lastValue.setText(str("1000."))
self.regionBottomLine = qt.QFrame(self)
self.regionBottomLine.setFrameShape(qt.QFrame.HLine)
self.regionBottomLine.setFrameShadow(qt.QFrame.Sunken)
self.regionBottomLine.setFrameShape(qt.QFrame.HLine)
self.mainLayout.addWidget(self.regionTopLine, row, 0, 1, 4)
row += 1
self.mainLayout.addWidget(self.regionCheckBox,row, 0)
self.mainLayout.addWidget(self.firstLabel, row, 1)
self.mainLayout.addWidget(self.firstValue, row, 3)
row += 1
self.mainLayout.addWidget(self.lastLabel, row, 1)
self.mainLayout.addWidget(self.lastValue, row, 3)
row += 1
self.mainLayout.addWidget(self.regionBottomLine, row, 0, 1, 4)
row += 1
class SimpleFitControlWidget(qt.QWidget):
def __init__(self, parent = None):
qt.QWidget.__init__(self, parent)
self.mainLayout = qt. QVBoxLayout(self)
self.mainLayout.setMargin(2)
self.mainLayout.setSpacing(2)
self.functionDefinitionWidget = FitFunctionDefinition(self)
self.fitControlWidget = FitControl(self)
self.mainLayout.addWidget(self.functionDefinitionWidget)
self.mainLayout.addWidget(self.fitControlWidget)
self.mainLayout.addWidget(qt.VerticalSpacer(self))
self.connect(self.functionDefinitionWidget,
qt.SIGNAL("FitFunctionDefinitionSignal"),
self._functionDefinitionSlot)
def _functionDefinitionSlot(self, ddict):
self.emit(qt.SIGNAL("FitControlSignal"), ddict)
def setConfiguration(self, ddict0):
if "fit" in ddict0:
ddict = ddict0["fit"]
else:
ddict = ddict0
workingKeys = []
originalKeys = list(ddict.keys())
for key in originalKeys:
workingKeys.append(key.lower())
#get current configuration
current = self.getConfiguration()
for key in list(current.keys()):
#avoid case sensitivity problems
lowerCaseKey = key.lower()
if lowerCaseKey in workingKeys:
idx = workingKeys.index(lowerCaseKey)
current[key] = ddict[originalKeys[idx]]
self._setConfiguration(current)
def _setConfiguration(self, ddict):
#all the keys will be present
w = self.functionDefinitionWidget
if 'functions' in ddict:
w.setFunctions(ddict['functions'])
if ddict['fit_function'] in [None, "None", "NONE"]:
idx = 0
else:
idx = w.fitFunctionCombo.findText(ddict['fit_function'])
w.fitFunctionCombo.setCurrentIndex(idx)
if ddict['background_function'] in [None, "None", "NONE"]:
idx = 0
else:
idx = w.backgroundCombo.findText(ddict['background_function'])
w.backgroundCombo.setCurrentIndex(idx)
if ddict['function_flag']:
w.fitFunctionCheckBox.setChecked(True)
else:
w.fitFunctionCheckBox.setChecked(False)
if ddict['strip_flag']:
w.stripCheckBox.setChecked(True)
else:
w.stripCheckBox.setChecked(False)
if ddict['background_flag']:
w.backgroundCheckBox.setChecked(True)
else:
w.backgroundCheckBox.setChecked(False)
if ddict['stripalgorithm'] in [0, 1, "0", "1"]:
idx = int(ddict['stripalgorithm'])
else:
idx = w.stripCombo.findText(ddict['strip_function'])
w.stripCombo.setCurrentIndex(idx)
w.setSNIP(idx)
w.snipWidthSpin.setValue(int(ddict["snipwidth"]))
w.stripWidthSpin.setValue(int(ddict["stripwidth"]))
w.stripFilterSpin.setValue(int(ddict["stripfilterwidth"]))
w.stripIterSpin.setValue(int(ddict['stripiterations']))
ddict['stripconstant'] = 1.0
w.stripFilterSpin.setValue(int(ddict['stripfilterwidth']))
if int(ddict["stripanchorsflag"]):
w.stripAnchorsCheckBox.setChecked(True)
else:
w.stripAnchorsCheckBox.setChecked(False)
anchorslist = ddict.get("stripanchorslist", [0, 0, 0, 0])
anchorslist = ddict["stripanchorslist"]
for lineEdit in w.stripAnchorsList:
lineEdit.setText("0.0")
i = 0
for value in anchorslist:
w.stripAnchorsList[i].setText("%g" % float(value))
i += 1
w = self.fitControlWidget
idx = w.fitAlgorithmCombo.findText(ddict['fit_algorithm'])
w.fitAlgorithmCombo.setCurrentIndex(idx)
idx = w.weightCombo.findText(ddict['weight'])
w.weightCombo.setCurrentIndex(idx)
text = ddict['function_estimation_policy']
idx = w.functionEstimationCombo.findText(text)
w.functionEstimationCombo.setCurrentIndex(idx)
text = ddict['background_estimation_policy']
idx = w.backgroundEstimationCombo.findText(text)
w.backgroundEstimationCombo.setCurrentIndex(idx)
w.iterSpin.setValue(int(ddict['maximum_fit_iterations']))
w.chi2Value.setValue(float(ddict['minimum_delta_chi']))
if ddict['use_limits']:
w.regionCheckBox.setChecked(True)
else:
w.regionCheckBox.setChecked(False)
w.firstValue.setText("%g" % float(ddict['xmin']))
w.lastValue.setText("%g" % float(ddict['xmax']))
return
def getConfiguration(self):
ddict = {}
w = self.functionDefinitionWidget
ddict['functions'] = w.getFunctions()
ddict['fit_function'] = str(w.fitFunctionCombo.currentText())
ddict['strip_function'] = str(w.stripCombo.currentText())
ddict['stripalgorithm'] = w.stripCombo.currentIndex()
ddict['background_function'] = str(w.backgroundCombo.currentText())
if w.fitFunctionCheckBox.isChecked():
ddict['function_flag'] = 1
else:
ddict['function_flag'] = 0
if w.backgroundCheckBox.isChecked():
ddict['background_flag'] = 1
else:
ddict['background_flag'] = 0
if w.stripCheckBox.isChecked():
ddict['strip_flag'] = 1
else:
ddict['strip_flag'] = 0
ddict['snipwidth'] = w.snipWidthSpin.value()
ddict['stripwidth'] = w.stripWidthSpin.value()
ddict['stripiterations'] = w.stripIterSpin.value()
ddict['stripconstant'] = 1.0
ddict['stripfilterwidth'] = w.stripFilterSpin.value()
if w.stripAnchorsCheckBox.isChecked():
ddict['stripanchorsflag'] = 1
else:
ddict['stripanchorsflag'] = 0
ddict["stripanchorslist"] = []
for lineEdit in w.stripAnchorsList:
text = str(lineEdit.text())
if not len(text):
text = 0.0
ddict["stripanchorslist"].append(float(text))
w = self.fitControlWidget
ddict['fit_algorithm'] = str(w.fitAlgorithmCombo.currentText())
ddict['weight'] = str(w.weightCombo.currentText())
text = str(w.functionEstimationCombo.currentText())
ddict['function_estimation_policy'] = text
text = str(w.backgroundEstimationCombo.currentText())
ddict['background_estimation_policy'] = text
ddict['maximum_fit_iterations'] = w.iterSpin.value()
ddict['minimum_delta_chi'] = w.chi2Value.value()
if w.regionCheckBox.isChecked():
ddict['use_limits'] = 1
else:
ddict['use_limits'] = 0
ddict['xmin'] = float(str(w.firstValue.text()))
ddict['xmax'] = float(str(w.lastValue.text()))
return ddict
def test():
app = qt.QApplication(sys.argv)
app.connect(app, qt.SIGNAL("lastWindowClosed()"), app.quit)
wid = SimpleFitControlWidget()
ddict = {}
ddict['stripwidth'] = 4
ddict['stripiterations'] = 4000
ddict['stripconstant'] = 1.0
ddict['stripfilterwidth'] = 3
ddict['stripanchorsflag'] = 1
ddict['stripanchorslist'] = [0, 1, 2, 3]
ddict['use_limits'] = 1
ddict['xmin'] = 1
ddict['xmax'] = 1024
wid.setConfiguration(ddict)
wid.show()
app.exec_()
if __name__=="__main__":
test()
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