[fa81e94] | 1 | import logging |
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| 2 | import numpy as np |
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| 3 | |
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| 4 | from PyQt5 import QtGui, QtCore, QtWidgets |
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| 5 | |
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| 6 | # sas-global |
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| 7 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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| 8 | |
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| 9 | # pr inversion GUI elements |
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| 10 | from .InversionUtils import WIDGETS |
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| 11 | from .UI.TabbedInversionUI import Ui_PrInversion |
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| 12 | from .InversionLogic import InversionLogic |
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| 13 | |
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| 14 | # pr inversion calculation elements |
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| 15 | from sas.sascalc.pr.invertor import Invertor |
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[effdd98] | 16 | # Batch calculation display |
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| 17 | from sas.qtgui.Utilities.GridPanel import BatchInversionOutputPanel |
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| 18 | |
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[b9e89d5] | 19 | |
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[fa81e94] | 20 | def is_float(value): |
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| 21 | """Converts text input values to floats. Empty strings throw ValueError""" |
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| 22 | try: |
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| 23 | return float(value) |
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| 24 | except ValueError: |
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| 25 | return 0.0 |
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| 26 | |
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[b9e89d5] | 27 | |
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[50bfab0] | 28 | NUMBER_OF_TERMS = 10 |
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| 29 | REGULARIZATION = 0.0001 |
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| 30 | BACKGROUND_INPUT = 0.0 |
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| 31 | MAX_DIST = 140.0 |
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[edd6720] | 32 | DICT_KEYS = ["Calculator", "PrPlot", "DataPlot"] |
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[47bf906] | 33 | |
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[fa81e94] | 34 | |
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| 35 | # TODO: Update help with batch capabilities |
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[d4881f6a] | 36 | class InversionWindow(QtWidgets.QDialog, Ui_PrInversion): |
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[fa81e94] | 37 | """ |
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| 38 | The main window for the P(r) Inversion perspective. |
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| 39 | """ |
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| 40 | |
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| 41 | name = "Inversion" |
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[f1ec901] | 42 | estimateSignal = QtCore.pyqtSignal(tuple) |
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| 43 | estimateNTSignal = QtCore.pyqtSignal(tuple) |
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| 44 | calculateSignal = QtCore.pyqtSignal(tuple) |
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[fa81e94] | 45 | |
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| 46 | def __init__(self, parent=None, data=None): |
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| 47 | super(InversionWindow, self).__init__() |
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| 48 | self.setupUi(self) |
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| 49 | |
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| 50 | self.setWindowTitle("P(r) Inversion Perspective") |
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| 51 | |
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| 52 | self._manager = parent |
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[b9e89d5] | 53 | self.communicate = parent.communicator() |
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| 54 | self.communicate.dataDeletedSignal.connect(self.removeData) |
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[fa81e94] | 55 | |
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| 56 | self.logic = InversionLogic() |
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| 57 | |
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| 58 | # The window should not close |
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[ae34d30] | 59 | self._allowClose = False |
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[fa81e94] | 60 | |
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[ae34d30] | 61 | # Visible data items |
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[fa81e94] | 62 | # current QStandardItem showing on the panel |
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| 63 | self._data = None |
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[47bf906] | 64 | # Reference to Dmax window for self._data |
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| 65 | self.dmaxWindow = None |
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| 66 | # p(r) calculator for self._data |
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[fa81e94] | 67 | self._calculator = Invertor() |
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[304e42f] | 68 | # Default to background estimate |
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[bb6b037] | 69 | self._calculator.est_bck = True |
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[47bf906] | 70 | # plots of self._data |
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[ae34d30] | 71 | self.prPlot = None |
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| 72 | self.dataPlot = None |
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[e51e078] | 73 | # suggested nTerms |
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| 74 | self.nTermsSuggested = NUMBER_OF_TERMS |
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[47bf906] | 75 | |
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| 76 | # Calculation threads used by all data items |
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[ae34d30] | 77 | self.calcThread = None |
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| 78 | self.estimationThread = None |
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| 79 | self.estimationThreadNT = None |
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[fa81e94] | 80 | |
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[47bf906] | 81 | # Mapping for all data items |
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[ae34d30] | 82 | # Dictionary mapping data to all parameters |
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| 83 | self._dataList = {} |
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[fa81e94] | 84 | if not isinstance(data, list): |
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| 85 | data_list = [data] |
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| 86 | if data is not None: |
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| 87 | for datum in data_list: |
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[e51e078] | 88 | self.updateDataList(datum) |
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[f1ec901] | 89 | |
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[e51e078] | 90 | self.enableButtons() |
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[8f83719f] | 91 | |
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[fa81e94] | 92 | self.model = QtGui.QStandardItemModel(self) |
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| 93 | self.mapper = QtWidgets.QDataWidgetMapper(self) |
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[8f83719f] | 94 | |
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[ae34d30] | 95 | # Batch fitting parameters |
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| 96 | self.isBatch = False |
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| 97 | self.batchResultsWindow = None |
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[98485fe] | 98 | self.batchResults = {} |
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| 99 | self.batchComplete = [] |
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[effdd98] | 100 | |
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[8f83719f] | 101 | # Add validators |
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| 102 | self.setupValidators() |
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[fa81e94] | 103 | # Link user interactions with methods |
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| 104 | self.setupLinks() |
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| 105 | # Set values |
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| 106 | self.setupModel() |
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| 107 | # Set up the Widget Map |
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| 108 | self.setupMapper() |
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| 109 | # Set base window state |
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| 110 | self.setupWindow() |
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| 111 | |
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| 112 | ###################################################################### |
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| 113 | # Base Perspective Class Definitions |
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| 114 | |
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| 115 | def communicator(self): |
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| 116 | return self.communicate |
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| 117 | |
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| 118 | def allowBatch(self): |
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| 119 | return True |
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| 120 | |
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| 121 | def setClosable(self, value=True): |
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| 122 | """ |
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| 123 | Allow outsiders close this widget |
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| 124 | """ |
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| 125 | assert isinstance(value, bool) |
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[ae34d30] | 126 | self._allowClose = value |
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[fa81e94] | 127 | |
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| 128 | def closeEvent(self, event): |
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| 129 | """ |
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| 130 | Overwrite QDialog close method to allow for custom widget close |
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| 131 | """ |
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[ae34d30] | 132 | # Close report widgets before closing/minimizing main widget |
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| 133 | self.closeDMax() |
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| 134 | self.closeBatchResults() |
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| 135 | if self._allowClose: |
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[fa81e94] | 136 | # reset the closability flag |
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| 137 | self.setClosable(value=False) |
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[d4881f6a] | 138 | # Tell the MdiArea to close the container |
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| 139 | self.parentWidget().close() |
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[fa81e94] | 140 | event.accept() |
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| 141 | else: |
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| 142 | event.ignore() |
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| 143 | # Maybe we should just minimize |
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| 144 | self.setWindowState(QtCore.Qt.WindowMinimized) |
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| 145 | |
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[ae34d30] | 146 | def closeDMax(self): |
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| 147 | if self.dmaxWindow is not None: |
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| 148 | self.dmaxWindow.close() |
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| 149 | |
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| 150 | def closeBatchResults(self): |
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| 151 | if self.batchResultsWindow is not None: |
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| 152 | self.batchResultsWindow.close() |
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| 153 | |
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[fa81e94] | 154 | ###################################################################### |
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| 155 | # Initialization routines |
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| 156 | |
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| 157 | def setupLinks(self): |
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| 158 | """Connect the use controls to their appropriate methods""" |
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| 159 | self.dataList.currentIndexChanged.connect(self.displayChange) |
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[f1ec901] | 160 | self.calculateAllButton.clicked.connect(self.startThreadAll) |
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| 161 | self.calculateThisButton.clicked.connect(self.startThread) |
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[fa81e94] | 162 | self.removeButton.clicked.connect(self.removeData) |
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| 163 | self.helpButton.clicked.connect(self.help) |
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| 164 | self.estimateBgd.toggled.connect(self.toggleBgd) |
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| 165 | self.manualBgd.toggled.connect(self.toggleBgd) |
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| 166 | self.regConstantSuggestionButton.clicked.connect(self.acceptAlpha) |
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| 167 | self.noOfTermsSuggestionButton.clicked.connect(self.acceptNoTerms) |
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| 168 | self.explorerButton.clicked.connect(self.openExplorerWindow) |
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[f1ec901] | 169 | |
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| 170 | self.backgroundInput.editingFinished.connect( |
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[bb6b037] | 171 | lambda: self.set_background(self.backgroundInput.text())) |
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[f1ec901] | 172 | self.minQInput.editingFinished.connect( |
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[8f83719f] | 173 | lambda: self._calculator.set_qmin(is_float(self.minQInput.text()))) |
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[f1ec901] | 174 | self.regularizationConstantInput.editingFinished.connect( |
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[8f83719f] | 175 | lambda: self._calculator.set_alpha(is_float(self.regularizationConstantInput.text()))) |
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[f1ec901] | 176 | self.maxDistanceInput.editingFinished.connect( |
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[8f83719f] | 177 | lambda: self._calculator.set_dmax(is_float(self.maxDistanceInput.text()))) |
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[f1ec901] | 178 | self.maxQInput.editingFinished.connect( |
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[8f83719f] | 179 | lambda: self._calculator.set_qmax(is_float(self.maxQInput.text()))) |
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[f1ec901] | 180 | self.slitHeightInput.editingFinished.connect( |
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[8f83719f] | 181 | lambda: self._calculator.set_slit_height(is_float(self.slitHeightInput.text()))) |
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[f1ec901] | 182 | self.slitWidthInput.editingFinished.connect( |
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[8f83719f] | 183 | lambda: self._calculator.set_slit_width(is_float(self.slitHeightInput.text()))) |
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[f1ec901] | 184 | |
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[fa81e94] | 185 | self.model.itemChanged.connect(self.model_changed) |
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[f1ec901] | 186 | self.estimateNTSignal.connect(self._estimateNTUpdate) |
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| 187 | self.estimateSignal.connect(self._estimateUpdate) |
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| 188 | self.calculateSignal.connect(self._calculateUpdate) |
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[fa81e94] | 189 | |
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| 190 | def setupMapper(self): |
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| 191 | # Set up the mapper. |
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| 192 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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| 193 | self.mapper.setModel(self.model) |
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| 194 | |
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| 195 | # Filename |
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| 196 | self.mapper.addMapping(self.dataList, WIDGETS.W_FILENAME) |
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| 197 | # Background |
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| 198 | self.mapper.addMapping(self.backgroundInput, WIDGETS.W_BACKGROUND_INPUT) |
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| 199 | self.mapper.addMapping(self.estimateBgd, WIDGETS.W_ESTIMATE) |
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| 200 | self.mapper.addMapping(self.manualBgd, WIDGETS.W_MANUAL_INPUT) |
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| 201 | |
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| 202 | # Qmin/Qmax |
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| 203 | self.mapper.addMapping(self.minQInput, WIDGETS.W_QMIN) |
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| 204 | self.mapper.addMapping(self.maxQInput, WIDGETS.W_QMAX) |
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| 205 | |
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| 206 | # Slit Parameter items |
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| 207 | self.mapper.addMapping(self.slitWidthInput, WIDGETS.W_SLIT_WIDTH) |
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| 208 | self.mapper.addMapping(self.slitHeightInput, WIDGETS.W_SLIT_HEIGHT) |
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| 209 | |
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| 210 | # Parameter Items |
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[8f83719f] | 211 | self.mapper.addMapping(self.regularizationConstantInput, WIDGETS.W_REGULARIZATION) |
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| 212 | self.mapper.addMapping(self.regConstantSuggestionButton, WIDGETS.W_REGULARIZATION_SUGGEST) |
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[fa81e94] | 213 | self.mapper.addMapping(self.explorerButton, WIDGETS.W_EXPLORE) |
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| 214 | self.mapper.addMapping(self.maxDistanceInput, WIDGETS.W_MAX_DIST) |
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| 215 | self.mapper.addMapping(self.noOfTermsInput, WIDGETS.W_NO_TERMS) |
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[8f83719f] | 216 | self.mapper.addMapping(self.noOfTermsSuggestionButton, WIDGETS.W_NO_TERMS_SUGGEST) |
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[fa81e94] | 217 | |
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| 218 | # Output |
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| 219 | self.mapper.addMapping(self.rgValue, WIDGETS.W_RG) |
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| 220 | self.mapper.addMapping(self.iQ0Value, WIDGETS.W_I_ZERO) |
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| 221 | self.mapper.addMapping(self.backgroundValue, WIDGETS.W_BACKGROUND_OUTPUT) |
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| 222 | self.mapper.addMapping(self.computationTimeValue, WIDGETS.W_COMP_TIME) |
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| 223 | self.mapper.addMapping(self.chiDofValue, WIDGETS.W_CHI_SQUARED) |
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| 224 | self.mapper.addMapping(self.oscillationValue, WIDGETS.W_OSCILLATION) |
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| 225 | self.mapper.addMapping(self.posFractionValue, WIDGETS.W_POS_FRACTION) |
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[8f83719f] | 226 | self.mapper.addMapping(self.sigmaPosFractionValue, WIDGETS.W_SIGMA_POS_FRACTION) |
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[fa81e94] | 227 | |
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| 228 | # Main Buttons |
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| 229 | self.mapper.addMapping(self.removeButton, WIDGETS.W_REMOVE) |
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[f1ec901] | 230 | self.mapper.addMapping(self.calculateAllButton, WIDGETS.W_CALCULATE_ALL) |
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[8f83719f] | 231 | self.mapper.addMapping(self.calculateThisButton, WIDGETS.W_CALCULATE_VISIBLE) |
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[fa81e94] | 232 | self.mapper.addMapping(self.helpButton, WIDGETS.W_HELP) |
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| 233 | |
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| 234 | self.mapper.toFirst() |
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| 235 | |
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| 236 | def setupModel(self): |
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| 237 | """ |
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| 238 | Update boxes with initial values |
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| 239 | """ |
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[ae34d30] | 240 | blank_item = QtGui.QStandardItem("") |
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| 241 | no_terms_item = QtGui.QStandardItem(str(NUMBER_OF_TERMS)) |
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| 242 | bgd_item = QtGui.QStandardItem(str(BACKGROUND_INPUT)) |
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| 243 | reg_item = QtGui.QStandardItem(str(REGULARIZATION)) |
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| 244 | max_dist_item = QtGui.QStandardItem(str(MAX_DIST)) |
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| 245 | self.model.setItem(WIDGETS.W_BACKGROUND_INPUT, bgd_item) |
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| 246 | self.model.setItem(WIDGETS.W_QMIN, blank_item) |
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| 247 | self.model.setItem(WIDGETS.W_QMAX, blank_item) |
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| 248 | self.model.setItem(WIDGETS.W_SLIT_WIDTH, blank_item) |
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| 249 | self.model.setItem(WIDGETS.W_SLIT_HEIGHT, blank_item) |
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| 250 | self.model.setItem(WIDGETS.W_NO_TERMS, no_terms_item) |
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| 251 | self.model.setItem(WIDGETS.W_REGULARIZATION, reg_item) |
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| 252 | self.model.setItem(WIDGETS.W_MAX_DIST, max_dist_item) |
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| 253 | self.model.setItem(WIDGETS.W_RG, blank_item) |
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| 254 | self.model.setItem(WIDGETS.W_I_ZERO, blank_item) |
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| 255 | self.model.setItem(WIDGETS.W_BACKGROUND_OUTPUT, bgd_item) |
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| 256 | self.model.setItem(WIDGETS.W_COMP_TIME, blank_item) |
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| 257 | self.model.setItem(WIDGETS.W_CHI_SQUARED, blank_item) |
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| 258 | self.model.setItem(WIDGETS.W_OSCILLATION, blank_item) |
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| 259 | self.model.setItem(WIDGETS.W_POS_FRACTION, blank_item) |
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| 260 | self.model.setItem(WIDGETS.W_SIGMA_POS_FRACTION, blank_item) |
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[fa81e94] | 261 | |
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| 262 | def setupWindow(self): |
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| 263 | """Initialize base window state on init""" |
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| 264 | self.enableButtons() |
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| 265 | self.estimateBgd.setChecked(True) |
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| 266 | |
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[8f83719f] | 267 | def setupValidators(self): |
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| 268 | """Apply validators to editable line edits""" |
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| 269 | self.noOfTermsInput.setValidator(QtGui.QIntValidator()) |
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| 270 | self.regularizationConstantInput.setValidator(GuiUtils.DoubleValidator()) |
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| 271 | self.maxDistanceInput.setValidator(GuiUtils.DoubleValidator()) |
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| 272 | self.minQInput.setValidator(GuiUtils.DoubleValidator()) |
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| 273 | self.maxQInput.setValidator(GuiUtils.DoubleValidator()) |
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| 274 | self.slitHeightInput.setValidator(GuiUtils.DoubleValidator()) |
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| 275 | self.slitWidthInput.setValidator(GuiUtils.DoubleValidator()) |
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| 276 | |
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[fa81e94] | 277 | ###################################################################### |
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| 278 | # Methods for updating GUI |
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| 279 | |
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| 280 | def enableButtons(self): |
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| 281 | """ |
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| 282 | Enable buttons when data is present, else disable them |
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| 283 | """ |
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[ae34d30] | 284 | self.calculateAllButton.setEnabled(len(self._dataList) > 1 |
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| 285 | and not self.isBatch) |
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| 286 | self.calculateThisButton.setEnabled(self.logic.data_is_loaded |
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| 287 | and not self.isBatch) |
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[fa81e94] | 288 | self.removeButton.setEnabled(self.logic.data_is_loaded) |
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| 289 | self.explorerButton.setEnabled(self.logic.data_is_loaded) |
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[b685c7b] | 290 | self.regConstantSuggestionButton.setEnabled( |
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| 291 | self._calculator.suggested_alpha != self._calculator.alpha) |
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| 292 | self.noOfTermsSuggestionButton.setEnabled( |
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| 293 | self._calculator.nfunc != self.nTermsSuggested) |
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[fa81e94] | 294 | |
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| 295 | def populateDataComboBox(self, filename, data_ref): |
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| 296 | """ |
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| 297 | Append a new file name to the data combobox |
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| 298 | :param filename: data filename |
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| 299 | :param data_ref: QStandardItem reference for data set to be added |
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| 300 | """ |
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[6a3e1fe] | 301 | self.dataList.addItem(filename, data_ref) |
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[fa81e94] | 302 | |
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| 303 | def acceptNoTerms(self): |
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| 304 | """Send estimated no of terms to input""" |
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| 305 | self.model.setItem(WIDGETS.W_NO_TERMS, QtGui.QStandardItem( |
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| 306 | self.noOfTermsSuggestionButton.text())) |
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| 307 | |
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| 308 | def acceptAlpha(self): |
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| 309 | """Send estimated alpha to input""" |
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| 310 | self.model.setItem(WIDGETS.W_REGULARIZATION, QtGui.QStandardItem( |
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| 311 | self.regConstantSuggestionButton.text())) |
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| 312 | |
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[edd6720] | 313 | def displayChange(self, data_index=0): |
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[47bf906] | 314 | """Switch to another item in the data list""" |
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[edd6720] | 315 | self.updateDataList(self._data) |
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| 316 | self.setCurrentData(self.dataList.itemData(data_index)) |
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[fa81e94] | 317 | |
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| 318 | ###################################################################### |
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| 319 | # GUI Interaction Events |
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| 320 | |
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[ae34d30] | 321 | def updateCalculator(self): |
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[fa81e94] | 322 | """Update all p(r) params""" |
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[edd6720] | 323 | self._calculator.set_x(self.logic.data.x) |
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| 324 | self._calculator.set_y(self.logic.data.y) |
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| 325 | self._calculator.set_err(self.logic.data.dy) |
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[441a03f] | 326 | self.set_background(self.backgroundInput.text()) |
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| 327 | |
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| 328 | def set_background(self, value): |
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| 329 | self._calculator.background = is_float(value) |
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[fa81e94] | 330 | |
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| 331 | def model_changed(self): |
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| 332 | """Update the values when user makes changes""" |
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| 333 | if not self.mapper: |
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| 334 | msg = "Unable to update P{r}. The connection between the main GUI " |
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| 335 | msg += "and P(r) was severed. Attempting to restart P(r)." |
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| 336 | logging.warning(msg) |
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| 337 | self.setClosable(True) |
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| 338 | self.close() |
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[ae34d30] | 339 | InversionWindow.__init__(self.parent(), list(self._dataList.keys())) |
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[fa81e94] | 340 | exit(0) |
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[8f83719f] | 341 | if self.dmaxWindow is not None: |
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[47bf906] | 342 | self.dmaxWindow.nfunc = self.getNFunc() |
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[bb6b037] | 343 | self.dmaxWindow.pr_state = self._calculator |
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[edd6720] | 344 | self.mapper.toLast() |
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[fa81e94] | 345 | |
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| 346 | def help(self): |
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| 347 | """ |
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| 348 | Open the P(r) Inversion help browser |
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| 349 | """ |
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[e90988c] | 350 | tree_location = "/user/sasgui/perspectives/pr/pr_help.html" |
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[fa81e94] | 351 | |
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| 352 | # Actual file anchor will depend on the combo box index |
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| 353 | # Note that we can be clusmy here, since bad current_fitter_id |
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| 354 | # will just make the page displayed from the top |
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[e90988c] | 355 | self._manager.showHelp(tree_location) |
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[fa81e94] | 356 | |
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| 357 | def toggleBgd(self): |
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| 358 | """ |
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| 359 | Toggle the background between manual and estimated |
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| 360 | """ |
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[edd6720] | 361 | if self.estimateBgd.isChecked(): |
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| 362 | self.manualBgd.setChecked(False) |
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[fa81e94] | 363 | self.backgroundInput.setEnabled(False) |
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[304e42f] | 364 | self._calculator.set_est_bck = True |
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[edd6720] | 365 | elif self.manualBgd.isChecked(): |
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| 366 | self.estimateBgd.setChecked(False) |
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[fa81e94] | 367 | self.backgroundInput.setEnabled(True) |
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[304e42f] | 368 | self._calculator.set_est_bck = False |
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[441a03f] | 369 | else: |
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| 370 | pass |
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[fa81e94] | 371 | |
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| 372 | def openExplorerWindow(self): |
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| 373 | """ |
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| 374 | Open the Explorer window to see correlations between params and results |
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| 375 | """ |
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| 376 | from .DMaxExplorerWidget import DmaxWindow |
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| 377 | self.dmaxWindow = DmaxWindow(self._calculator, self.getNFunc(), self) |
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| 378 | self.dmaxWindow.show() |
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| 379 | |
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[98485fe] | 380 | def showBatchOutput(self): |
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[76567bb] | 381 | """ |
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| 382 | Display the batch output in tabular form |
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| 383 | :param output_data: Dictionary mapping filename -> P(r) instance |
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| 384 | """ |
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[ae34d30] | 385 | if self.batchResultsWindow is None: |
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| 386 | self.batchResultsWindow = BatchInversionOutputPanel( |
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[98485fe] | 387 | parent=self, output_data=self.batchResults) |
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[76567bb] | 388 | else: |
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[ae34d30] | 389 | self.batchResultsWindow.setupTable(self.batchResults) |
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| 390 | self.batchResultsWindow.show() |
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[effdd98] | 391 | |
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[fa81e94] | 392 | ###################################################################### |
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| 393 | # Response Actions |
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| 394 | |
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| 395 | def setData(self, data_item=None, is_batch=False): |
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| 396 | """ |
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| 397 | Assign new data set(s) to the P(r) perspective |
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| 398 | Obtain a QStandardItem object and parse it to get Data1D/2D |
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| 399 | Pass it over to the calculator |
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| 400 | """ |
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| 401 | assert data_item is not None |
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| 402 | |
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| 403 | if not isinstance(data_item, list): |
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| 404 | msg = "Incorrect type passed to the P(r) Perspective" |
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[47bf906] | 405 | raise AttributeError(msg) |
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[fa81e94] | 406 | |
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| 407 | for data in data_item: |
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[ae34d30] | 408 | if data in self._dataList.keys(): |
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[8f83719f] | 409 | # Don't add data if it's already in |
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[edd6720] | 410 | continue |
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[fa81e94] | 411 | # Create initial internal mappings |
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[edd6720] | 412 | self.logic.data = GuiUtils.dataFromItem(data) |
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[e51e078] | 413 | # Estimate q range |
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| 414 | qmin, qmax = self.logic.computeDataRange() |
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| 415 | self._calculator.set_qmin(qmin) |
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| 416 | self._calculator.set_qmax(qmax) |
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| 417 | self.updateDataList(data) |
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[edd6720] | 418 | self.populateDataComboBox(self.logic.data.filename, data) |
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| 419 | self.dataList.setCurrentIndex(len(self.dataList) - 1) |
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| 420 | self.setCurrentData(data) |
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[fa81e94] | 421 | |
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[47bf906] | 422 | def updateDataList(self, dataRef): |
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| 423 | """Save the current data state of the window into self._data_list""" |
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[e51e078] | 424 | if dataRef is None: |
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| 425 | return |
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[ae34d30] | 426 | self._dataList[dataRef] = { |
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[e51e078] | 427 | DICT_KEYS[0]: self._calculator, |
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[ae34d30] | 428 | DICT_KEYS[1]: self.prPlot, |
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| 429 | DICT_KEYS[2]: self.dataPlot |
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[47bf906] | 430 | } |
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[98485fe] | 431 | # Update batch results window when finished |
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| 432 | self.batchResults[self.logic.data.filename] = self._calculator |
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[ae34d30] | 433 | if self.batchResultsWindow is not None: |
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[98485fe] | 434 | self.showBatchOutput() |
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[47bf906] | 435 | |
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[fa81e94] | 436 | def getNFunc(self): |
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| 437 | """Get the n_func value from the GUI object""" |
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[50bfab0] | 438 | try: |
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| 439 | nfunc = int(self.noOfTermsInput.text()) |
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| 440 | except ValueError: |
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[edd6720] | 441 | logging.error("Incorrect number of terms specified: %s" |
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| 442 | %self.noOfTermsInput.text()) |
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[50bfab0] | 443 | self.noOfTermsInput.setText(str(NUMBER_OF_TERMS)) |
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| 444 | nfunc = NUMBER_OF_TERMS |
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| 445 | return nfunc |
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[fa81e94] | 446 | |
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| 447 | def setCurrentData(self, data_ref): |
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[47bf906] | 448 | """Get the data by reference and display as necessary""" |
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[304e42f] | 449 | if data_ref is None: |
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| 450 | return |
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[fa81e94] | 451 | if not isinstance(data_ref, QtGui.QStandardItem): |
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| 452 | msg = "Incorrect type passed to the P(r) Perspective" |
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[e51e078] | 453 | raise AttributeError(msg) |
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[fa81e94] | 454 | # Data references |
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| 455 | self._data = data_ref |
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[edd6720] | 456 | self.logic.data = GuiUtils.dataFromItem(data_ref) |
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[ae34d30] | 457 | self._calculator = self._dataList[data_ref].get(DICT_KEYS[0]) |
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| 458 | self.prPlot = self._dataList[data_ref].get(DICT_KEYS[1]) |
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| 459 | self.dataPlot = self._dataList[data_ref].get(DICT_KEYS[2]) |
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[edd6720] | 460 | self.performEstimate() |
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[e51e078] | 461 | |
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| 462 | def updateGuiValues(self): |
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| 463 | pr = self._calculator |
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| 464 | out = self._calculator.out |
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| 465 | cov = self._calculator.cov |
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| 466 | elapsed = self._calculator.elapsed |
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| 467 | alpha = self._calculator.suggested_alpha |
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| 468 | self.model.setItem(WIDGETS.W_QMIN, |
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| 469 | QtGui.QStandardItem("{:.4g}".format(pr.get_qmin()))) |
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| 470 | self.model.setItem(WIDGETS.W_QMAX, |
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| 471 | QtGui.QStandardItem("{:.4g}".format(pr.get_qmax()))) |
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| 472 | self.model.setItem(WIDGETS.W_BACKGROUND_INPUT, |
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[effdd98] | 473 | QtGui.QStandardItem("{:.3g}".format(pr.background))) |
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[e51e078] | 474 | self.model.setItem(WIDGETS.W_BACKGROUND_OUTPUT, |
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| 475 | QtGui.QStandardItem("{:.3g}".format(pr.background))) |
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| 476 | self.model.setItem(WIDGETS.W_COMP_TIME, |
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| 477 | QtGui.QStandardItem("{:.4g}".format(elapsed))) |
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[ae34d30] | 478 | self.model.setItem(WIDGETS.W_MAX_DIST, |
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| 479 | QtGui.QStandardItem("{:.4g}".format(pr.get_dmax()))) |
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[b685c7b] | 480 | self.regConstantSuggestionButton.setText("{:-3.2g}".format(alpha)) |
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| 481 | self.noOfTermsSuggestionButton.setText( |
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| 482 | "{:n}".format(self.nTermsSuggested)) |
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[e51e078] | 483 | |
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[304e42f] | 484 | if isinstance(pr.chi2, np.ndarray): |
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[e51e078] | 485 | self.model.setItem(WIDGETS.W_CHI_SQUARED, |
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| 486 | QtGui.QStandardItem("{:.3g}".format(pr.chi2[0]))) |
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| 487 | if out is not None: |
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| 488 | self.model.setItem(WIDGETS.W_RG, |
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| 489 | QtGui.QStandardItem("{:.3g}".format(pr.rg(out)))) |
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| 490 | self.model.setItem(WIDGETS.W_I_ZERO, |
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| 491 | QtGui.QStandardItem( |
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| 492 | "{:.3g}".format(pr.iq0(out)))) |
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| 493 | self.model.setItem(WIDGETS.W_OSCILLATION, QtGui.QStandardItem( |
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| 494 | "{:.3g}".format(pr.oscillations(out)))) |
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| 495 | self.model.setItem(WIDGETS.W_POS_FRACTION, QtGui.QStandardItem( |
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| 496 | "{:.3g}".format(pr.get_positive(out)))) |
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| 497 | if cov is not None: |
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| 498 | self.model.setItem(WIDGETS.W_SIGMA_POS_FRACTION, |
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| 499 | QtGui.QStandardItem( |
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| 500 | "{:.3g}".format( |
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| 501 | pr.get_pos_err(out, cov)))) |
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[ae34d30] | 502 | if self.prPlot is not None: |
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| 503 | title = self.prPlot.name |
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| 504 | GuiUtils.updateModelItemWithPlot(self._data, self.prPlot, title) |
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| 505 | self.communicate.plotRequestedSignal.emit([self.prPlot]) |
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| 506 | if self.dataPlot is not None: |
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| 507 | title = self.dataPlot.name |
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| 508 | GuiUtils.updateModelItemWithPlot(self._data, self.dataPlot, title) |
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[98485fe] | 509 | self.communicate.plotRequestedSignal.emit( |
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[ae34d30] | 510 | [self.dataPlot, self.logic.data]) |
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[b685c7b] | 511 | self.enableButtons() |
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[47bf906] | 512 | |
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[b9e89d5] | 513 | def removeData(self, data_list=None): |
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[47bf906] | 514 | """Remove the existing data reference from the P(r) Persepective""" |
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[b9e89d5] | 515 | if not data_list: |
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| 516 | data_list = [self._data] |
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[ae34d30] | 517 | self.closeDMax() |
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[b9e89d5] | 518 | for data in data_list: |
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[ae34d30] | 519 | self._dataList.pop(data) |
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| 520 | data_file = GuiUtils.dataFromItem(data) |
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| 521 | self.batchResults.pop(data_file.filename) |
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[76567bb] | 522 | self._data = None |
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[b9e89d5] | 523 | for index in range(0, len(self.dataList)): |
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| 524 | if self.dataList.itemData(index) in data_list: |
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| 525 | self.dataList.removeItem(index) |
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[e51e078] | 526 | # Last file removed |
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[ae34d30] | 527 | if len(self._dataList) == 0: |
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| 528 | self.prPlot = None |
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| 529 | self.dataPlot = None |
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[edd6720] | 530 | self.logic.data = None |
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[ae34d30] | 531 | self._calculator = Invertor() |
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| 532 | self.closeBatchResults() |
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[b685c7b] | 533 | self.nTermsSuggested = NUMBER_OF_TERMS |
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| 534 | self.noOfTermsSuggestionButton.setText("{:n}".format( |
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| 535 | self.nTermsSuggested)) |
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| 536 | self.regConstantSuggestionButton.setText("{:-3.2g}".format( |
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| 537 | REGULARIZATION)) |
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[edd6720] | 538 | self.updateGuiValues() |
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[b685c7b] | 539 | self.setupModel() |
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[ba4e3ba] | 540 | else: |
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| 541 | self.dataList.setCurrentIndex(0) |
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| 542 | self.updateGuiValues() |
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[fa81e94] | 543 | |
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| 544 | ###################################################################### |
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| 545 | # Thread Creators |
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[98485fe] | 546 | |
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[fa81e94] | 547 | def startThreadAll(self): |
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[ae34d30] | 548 | self.calculateAllButton.setText("Calculating...") |
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[98485fe] | 549 | self.batchComplete = [] |
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| 550 | self.isBatch = True |
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| 551 | self.performEstimate() |
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| 552 | self.showBatchOutput() |
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| 553 | |
---|
| 554 | def startNextBatchItem(self): |
---|
| 555 | self.isBatch = False |
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[ae34d30] | 556 | for index in range(len(self._dataList)): |
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[98485fe] | 557 | if index not in self.batchComplete: |
---|
| 558 | self.dataList.setCurrentIndex(index) |
---|
| 559 | self.isBatch = True |
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| 560 | break |
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| 561 | if self.isBatch: |
---|
[76567bb] | 562 | self.performEstimate() |
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[ae34d30] | 563 | else: |
---|
| 564 | # If no data sets left, end batch calculation |
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| 565 | self.calculateAllButton.setText("Calculate All") |
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| 566 | self.enableButtons() |
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[fa81e94] | 567 | |
---|
| 568 | def startThread(self): |
---|
| 569 | """ |
---|
| 570 | Start a calculation thread |
---|
| 571 | """ |
---|
| 572 | from .Thread import CalcPr |
---|
| 573 | |
---|
| 574 | # Set data before running the calculations |
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[ae34d30] | 575 | self.updateCalculator() |
---|
[fa81e94] | 576 | |
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| 577 | # If a thread is already started, stop it |
---|
[ae34d30] | 578 | if self.calcThread is not None and self.calcThread.isrunning(): |
---|
| 579 | self.calcThread.stop() |
---|
[fa81e94] | 580 | pr = self._calculator.clone() |
---|
| 581 | nfunc = self.getNFunc() |
---|
[ae34d30] | 582 | self.calcThread = CalcPr(pr, nfunc, |
---|
| 583 | error_func=self._threadError, |
---|
| 584 | completefn=self._calculateCompleted, |
---|
| 585 | updatefn=None) |
---|
| 586 | self.calcThread.queue() |
---|
| 587 | self.calcThread.ready(2.5) |
---|
[fa81e94] | 588 | |
---|
| 589 | def performEstimateNT(self): |
---|
| 590 | """ |
---|
[f1ec901] | 591 | Perform parameter estimation |
---|
[fa81e94] | 592 | """ |
---|
| 593 | from .Thread import EstimateNT |
---|
| 594 | |
---|
[ae34d30] | 595 | self.updateCalculator() |
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[edd6720] | 596 | |
---|
[fa81e94] | 597 | # If a thread is already started, stop it |
---|
[ae34d30] | 598 | if (self.estimationThreadNT is not None and |
---|
| 599 | self.estimationThreadNT.isrunning()): |
---|
| 600 | self.estimationThreadNT.stop() |
---|
[fa81e94] | 601 | pr = self._calculator.clone() |
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| 602 | # Skip the slit settings for the estimation |
---|
| 603 | # It slows down the application and it doesn't change the estimates |
---|
| 604 | pr.slit_height = 0.0 |
---|
| 605 | pr.slit_width = 0.0 |
---|
| 606 | nfunc = self.getNFunc() |
---|
[f1ec901] | 607 | |
---|
[ae34d30] | 608 | self.estimationThreadNT = EstimateNT(pr, nfunc, |
---|
| 609 | error_func=self._threadError, |
---|
| 610 | completefn=self._estimateNTCompleted, |
---|
| 611 | updatefn=None) |
---|
| 612 | self.estimationThreadNT.queue() |
---|
| 613 | self.estimationThreadNT.ready(2.5) |
---|
[fa81e94] | 614 | |
---|
| 615 | def performEstimate(self): |
---|
| 616 | """ |
---|
| 617 | Perform parameter estimation |
---|
| 618 | """ |
---|
| 619 | from .Thread import EstimatePr |
---|
| 620 | |
---|
| 621 | # If a thread is already started, stop it |
---|
[ae34d30] | 622 | if (self.estimationThread is not None and |
---|
| 623 | self.estimationThread.isrunning()): |
---|
| 624 | self.estimationThread.stop() |
---|
| 625 | self.estimationThread = EstimatePr(self._calculator.clone(), |
---|
| 626 | self.getNFunc(), |
---|
| 627 | error_func=self._threadError, |
---|
| 628 | completefn=self._estimateCompleted, |
---|
| 629 | updatefn=None) |
---|
| 630 | self.estimationThread.queue() |
---|
| 631 | self.estimationThread.ready(2.5) |
---|
[fa81e94] | 632 | |
---|
| 633 | ###################################################################### |
---|
| 634 | # Thread Complete |
---|
| 635 | |
---|
| 636 | def _estimateCompleted(self, alpha, message, elapsed): |
---|
[f1ec901] | 637 | ''' Send a signal to the main thread for model update''' |
---|
| 638 | self.estimateSignal.emit((alpha, message, elapsed)) |
---|
| 639 | |
---|
| 640 | def _estimateUpdate(self, output_tuple): |
---|
[fa81e94] | 641 | """ |
---|
| 642 | Parameter estimation completed, |
---|
| 643 | display the results to the user |
---|
| 644 | |
---|
| 645 | :param alpha: estimated best alpha |
---|
| 646 | :param elapsed: computation time |
---|
| 647 | """ |
---|
[f1ec901] | 648 | alpha, message, elapsed = output_tuple |
---|
[fa81e94] | 649 | if message: |
---|
| 650 | logging.info(message) |
---|
[98485fe] | 651 | self.performEstimateNT() |
---|
[fa81e94] | 652 | |
---|
| 653 | def _estimateNTCompleted(self, nterms, alpha, message, elapsed): |
---|
[f1ec901] | 654 | ''' Send a signal to the main thread for model update''' |
---|
| 655 | self.estimateNTSignal.emit((nterms, alpha, message, elapsed)) |
---|
| 656 | |
---|
| 657 | def _estimateNTUpdate(self, output_tuple): |
---|
[fa81e94] | 658 | """ |
---|
| 659 | Parameter estimation completed, |
---|
| 660 | display the results to the user |
---|
| 661 | |
---|
| 662 | :param alpha: estimated best alpha |
---|
| 663 | :param nterms: estimated number of terms |
---|
| 664 | :param elapsed: computation time |
---|
| 665 | """ |
---|
[f1ec901] | 666 | nterms, alpha, message, elapsed = output_tuple |
---|
[e51e078] | 667 | self._calculator.elapsed = elapsed |
---|
| 668 | self._calculator.suggested_alpha = alpha |
---|
| 669 | self.nTermsSuggested = nterms |
---|
[fa81e94] | 670 | # Save useful info |
---|
[e51e078] | 671 | self.updateGuiValues() |
---|
[fa81e94] | 672 | if message: |
---|
| 673 | logging.info(message) |
---|
[98485fe] | 674 | if self.isBatch: |
---|
| 675 | self.acceptAlpha() |
---|
| 676 | self.acceptNoTerms() |
---|
| 677 | self.startThread() |
---|
[fa81e94] | 678 | |
---|
[f1ec901] | 679 | def _calculateCompleted(self, out, cov, pr, elapsed): |
---|
| 680 | ''' Send a signal to the main thread for model update''' |
---|
| 681 | self.calculateSignal.emit((out, cov, pr, elapsed)) |
---|
| 682 | |
---|
| 683 | def _calculateUpdate(self, output_tuple): |
---|
[fa81e94] | 684 | """ |
---|
| 685 | Method called with the results when the inversion is done |
---|
| 686 | |
---|
| 687 | :param out: output coefficient for the base functions |
---|
| 688 | :param cov: covariance matrix |
---|
| 689 | :param pr: Invertor instance |
---|
| 690 | :param elapsed: time spent computing |
---|
| 691 | """ |
---|
[f1ec901] | 692 | out, cov, pr, elapsed = output_tuple |
---|
[fa81e94] | 693 | # Save useful info |
---|
| 694 | cov = np.ascontiguousarray(cov) |
---|
| 695 | pr.cov = cov |
---|
| 696 | pr.out = out |
---|
| 697 | pr.elapsed = elapsed |
---|
| 698 | |
---|
| 699 | # Save Pr invertor |
---|
| 700 | self._calculator = pr |
---|
[f1ec901] | 701 | |
---|
[318b353e] | 702 | # Update P(r) and fit plots |
---|
[ae34d30] | 703 | self.prPlot = self.logic.newPRPlot(out, self._calculator, cov) |
---|
| 704 | self.prPlot.filename = self.logic.data.filename |
---|
| 705 | self.dataPlot = self.logic.new1DPlot(out, self._calculator) |
---|
| 706 | self.dataPlot.filename = self.logic.data.filename |
---|
[318b353e] | 707 | |
---|
| 708 | # Udpate internals and GUI |
---|
[e51e078] | 709 | self.updateDataList(self._data) |
---|
| 710 | self.updateGuiValues() |
---|
[98485fe] | 711 | if self.isBatch: |
---|
| 712 | self.batchComplete.append(self.dataList.currentIndex()) |
---|
| 713 | self.startNextBatchItem() |
---|
[fa81e94] | 714 | |
---|
| 715 | def _threadError(self, error): |
---|
| 716 | """ |
---|
| 717 | Call-back method for calculation errors |
---|
| 718 | """ |
---|
| 719 | logging.warning(error) |
---|