[d5c5d3d] | 1 | from PyQt4 import QtGui |
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| 2 | from PyQt4 import QtCore |
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| 3 | |
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| 4 | from sas.qtgui.Plotting.PlotterData import Data1D |
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| 5 | from sas.qtgui.Plotting.Plotter import PlotterWidget |
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| 6 | from sas.qtgui.Plotting.PlotterData import Data2D |
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| 7 | from sas.qtgui.Plotting.Plotter2D import Plotter2DWidget |
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| 8 | |
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| 9 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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| 10 | from UI.DataOperationUtilityUI import Ui_DataOperationUtility |
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| 11 | |
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| 12 | import time |
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| 13 | import logging |
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| 14 | import re |
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| 15 | |
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| 16 | BG_WHITE = "background-color: rgb(255, 255, 255);" |
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| 17 | BG_RED = "background-color: rgb(244, 170, 164);" |
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| 18 | |
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| 19 | class DataOperationUtilityPanel(QtGui.QDialog, Ui_DataOperationUtility): |
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| 20 | def __init__(self, parent=None): |
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| 21 | super(DataOperationUtilityPanel, self).__init__() |
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| 22 | self.setupUi(self) |
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| 23 | self.manager = parent |
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| 24 | self.communicator = self.manager.communicator() |
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| 25 | |
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| 26 | # To store input datafiles |
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| 27 | self.filenames = None |
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| 28 | self.list_data_items = [] |
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| 29 | self.data1 = None |
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| 30 | self.data2 = None |
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| 31 | # To store the result |
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| 32 | self.output = None |
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| 33 | |
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| 34 | # To update content of comboboxes with files loaded in DataExplorer |
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| 35 | self.communicator.sendDataToPanel.connect(self.updateCombobox) |
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| 36 | |
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| 37 | # change index of comboboxes |
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| 38 | self.cbData1.currentIndexChanged.connect(self.onSelectData1) |
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| 39 | self.cbData2.currentIndexChanged.connect(self.onSelectData2) |
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| 40 | self.cbOperator.currentIndexChanged.connect(self.onSelectOperator) |
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| 41 | |
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| 42 | # edit Coefficient text edit |
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| 43 | self.txtNumber.textChanged.connect(self.onInputCoefficient) |
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| 44 | self.txtOutputData.textChanged.connect(self.onCheckOutputName) |
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| 45 | |
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| 46 | # push buttons |
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| 47 | self.cmdClose.clicked.connect(self.onClose) # accept) |
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| 48 | self.cmdHelp.clicked.connect(self.onHelp) |
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| 49 | self.cmdCompute.clicked.connect(self.onCompute) |
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| 50 | self.cmdReset.clicked.connect(self.onReset) |
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| 51 | |
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| 52 | self.cmdCompute.setEnabled(False) |
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| 53 | |
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| 54 | # validator for coefficient |
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| 55 | self.txtNumber.setValidator(QtGui.QDoubleValidator()) |
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| 56 | |
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| 57 | # Add "?" to initial graphs (when they are still empty) |
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| 58 | self.layoutOutput = QtGui.QHBoxLayout() |
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| 59 | self.layoutData1 = QtGui.QHBoxLayout() |
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| 60 | self.layoutData2 = QtGui.QHBoxLayout() |
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| 61 | |
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| 62 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 63 | self.newPlot(self.graphData1, self.layoutData1) |
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| 64 | self.newPlot(self.graphData2, self.layoutData2) |
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| 65 | |
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| 66 | # Flag to enable Compute pushbutton |
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| 67 | self.data2OK = False |
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| 68 | self.data1OK = False |
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| 69 | |
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| 70 | def updateCombobox(self, filenames): |
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| 71 | """ Function to fill comboboxes with names of datafiles loaded in |
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| 72 | DataExplorer. For Data2, there is the additional option of choosing |
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| 73 | a number to apply to data1 """ |
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| 74 | self.filenames = filenames |
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| 75 | |
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| 76 | if filenames.keys(): |
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| 77 | # clear contents of comboboxes |
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| 78 | self.cbData1.clear() |
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| 79 | self.cbData1.addItems(['Select Data']) |
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| 80 | self.cbData2.clear() |
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| 81 | self.cbData2.addItems(['Select Data', 'Number']) |
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| 82 | |
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| 83 | list_datafiles = [] |
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| 84 | |
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| 85 | for id in filenames.keys(): |
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| 86 | if filenames[id].get_data().title != '': |
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| 87 | # filenames with titles |
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| 88 | new_title = filenames[id].get_data().title |
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| 89 | list_datafiles.append(new_title) |
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| 90 | self.list_data_items.append(new_title) |
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| 91 | |
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| 92 | else: |
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| 93 | # filenames without titles by removing time.time() |
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| 94 | new_title = re.sub('\d{10}\.\d{2}', '', str(id)) |
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| 95 | self.list_data_items.append(new_title) |
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| 96 | list_datafiles.append(new_title) |
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| 97 | |
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| 98 | # update contents of comboboxes |
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| 99 | self.cbData1.addItems(list_datafiles) |
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| 100 | self.cbData2.addItems(list_datafiles) |
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| 101 | |
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| 102 | def onHelp(self): |
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| 103 | """ |
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| 104 | Bring up the Data Operation Utility Documentation whenever |
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| 105 | the HELP button is clicked. |
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| 106 | Calls Documentation Window with the path of the location within the |
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| 107 | documentation tree (after /doc/ ....". |
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| 108 | """ |
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| 109 | try: |
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| 110 | location = GuiUtils.HELP_DIRECTORY_LOCATION + \ |
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| 111 | "/user/sasgui/perspectives/calculator/data_operator_help.html" |
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| 112 | self.manager._helpView.load(QtCore.QUrl(location)) |
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| 113 | self.manager._helpView.show() |
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| 114 | |
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| 115 | except AttributeError: |
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| 116 | # No manager defined - testing and standalone runs |
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| 117 | pass |
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| 118 | |
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| 119 | def onClose(self): |
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| 120 | """ Close dialog """ |
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| 121 | self.onReset() |
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| 122 | self.close() |
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| 123 | |
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| 124 | def onCompute(self): |
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| 125 | """ perform calculation """ |
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| 126 | # check compatibility of datasets before calculation |
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| 127 | if self.onCheckChosenData(): |
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| 128 | # set operator to be applied |
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| 129 | operator = self.cbOperator.currentText() |
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| 130 | # calculate and send data to DataExplorer |
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| 131 | output = None |
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| 132 | try: |
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| 133 | data1 = self.data1 |
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| 134 | data2 = self.data2 |
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| 135 | exec "output = data1 %s data2" % operator |
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| 136 | except: |
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| 137 | raise |
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| 138 | |
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| 139 | self.output = output |
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| 140 | |
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| 141 | # if outputname was unused, write output result to it |
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| 142 | # and display plot |
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| 143 | if self.onCheckOutputName(): |
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| 144 | # add outputname to self.filenames |
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| 145 | self.list_data_items.append(str(self.txtOutputData.text())) |
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| 146 | # send result to DataExplorer |
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| 147 | self.onPrepareOutputData() |
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| 148 | # plot result |
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| 149 | self.updatePlot(self.graphOutput, self.layoutOutput, self.output) |
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| 150 | |
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| 151 | def onPrepareOutputData(self): |
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| 152 | """ Prepare datasets to be added to DataExplorer and DataManager """ |
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| 153 | new_item = GuiUtils.createModelItemWithPlot( |
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| 154 | QtCore.QVariant(self.output), |
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| 155 | name=self.txtOutputData.text()) |
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| 156 | |
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| 157 | new_datalist_item = {str(self.txtOutputData.text()) + str(time.time()): |
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| 158 | self.output} |
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| 159 | self.communicator. \ |
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| 160 | updateModelFromDataOperationPanelSignal.emit(new_item, new_datalist_item) |
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| 161 | |
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| 162 | def onSelectOperator(self): |
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| 163 | """ Change GUI when operator changed""" |
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| 164 | self.lblOperatorApplied.setText(self.cbOperator.currentText()) |
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| 165 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 166 | |
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| 167 | def onReset(self): |
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| 168 | """ |
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| 169 | Reset Panel to its initial state (default values) keeping |
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| 170 | the names of loaded data |
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| 171 | """ |
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| 172 | self.txtNumber.setText('1.0') |
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| 173 | self.txtOutputData.setText('MyNewDataName') |
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| 174 | |
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| 175 | self.txtNumber.setEnabled(False) |
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| 176 | self.cmdCompute.setEnabled(False) |
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| 177 | |
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| 178 | self.cbData1.setCurrentIndex(0) |
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| 179 | self.cbData2.setCurrentIndex(0) |
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| 180 | self.cbOperator.setCurrentIndex(0) |
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| 181 | |
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| 182 | self.output = None |
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| 183 | self.data1 = None |
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| 184 | self.data2 = None |
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| 185 | |
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| 186 | self.data1OK = False |
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| 187 | self.data2OK = False |
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| 188 | |
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| 189 | # Empty graphs |
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| 190 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 191 | self.newPlot(self.graphData1, self.layoutData1) |
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| 192 | self.newPlot(self.graphData2, self.layoutData2) |
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| 193 | |
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| 194 | def onSelectData1(self): |
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| 195 | """ Plot for selection of Data1 """ |
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| 196 | choice_data1 = str(self.cbData1.currentText()) |
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| 197 | |
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| 198 | wrong_choices = ['No Data Available', 'Select Data', ''] |
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| 199 | |
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| 200 | if choice_data1 in wrong_choices: |
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| 201 | # check validity of choice: input = filename |
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| 202 | self.newPlot(self.graphData1, self.layoutData1) |
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| 203 | self.data1 = None |
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| 204 | self.data1OK = False |
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| 205 | self.cmdCompute.setEnabled(False) |
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| 206 | # logging.info('Choose a file for Data1') |
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| 207 | return |
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| 208 | |
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| 209 | else: |
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| 210 | # Enable Compute button only if Data2 is defined |
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| 211 | self.cmdCompute.setEnabled(self.data2OK) |
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| 212 | self.data1OK = True |
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| 213 | # get Data1 |
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| 214 | id1 = self._findId(choice_data1) |
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| 215 | self.data1 = self._extractData(id1) |
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| 216 | # plot Data1 |
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| 217 | self.updatePlot(self.graphData1, self.layoutData1, self.data1) |
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| 218 | # plot default for output graph |
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| 219 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 220 | |
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| 221 | def onSelectData2(self): |
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| 222 | """ Plot for selection of Data2 """ |
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| 223 | choice_data2 = str(self.cbData2.currentText()) |
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| 224 | wrong_choices = ['No Data Available', 'Select Data', ''] |
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| 225 | |
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| 226 | if choice_data2 in wrong_choices: |
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| 227 | self.newPlot(self.graphData2, self.layoutData2) |
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| 228 | self.txtNumber.setEnabled(False) |
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| 229 | self.data2OK = False |
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| 230 | # logging.info('Choose a file or a number for Data2') |
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| 231 | return |
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| 232 | |
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| 233 | elif choice_data2 == 'Number': |
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| 234 | self.data2OK = True |
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| 235 | self.txtNumber.setEnabled(True) |
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| 236 | self.data2 = float(self.txtNumber.text()) |
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| 237 | |
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| 238 | # Enable Compute button only if Data1 is defined |
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| 239 | self.cmdCompute.setEnabled(self.data1OK) |
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| 240 | # Display value of coefficient in graphData2 |
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| 241 | self.updatePlot(self.graphData2, self.layoutData2, self.data2) |
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| 242 | # plot default for output graph |
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| 243 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 244 | |
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| 245 | else: |
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| 246 | self.cmdCompute.setEnabled(self.data1OK) |
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| 247 | self.data2OK = True |
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| 248 | self.txtNumber.setEnabled(False) |
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| 249 | id2 = self._findId(choice_data2) |
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| 250 | self.data2 = self._extractData(id2) |
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| 251 | # plot Data2 |
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| 252 | self.updatePlot(self.graphData2, self.layoutData2, self.data2) |
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| 253 | # plot default for output graph |
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| 254 | self.newPlot(self.graphOutput, self.layoutOutput) |
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| 255 | |
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| 256 | def onInputCoefficient(self): |
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| 257 | """ Check input of number when a coefficient is required |
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| 258 | for operation """ |
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| 259 | if self.txtNumber.isModified(): |
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| 260 | input_to_check = str(self.txtNumber.text()) |
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| 261 | |
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| 262 | if input_to_check is None or input_to_check is '': |
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| 263 | msg = 'DataOperation: Number requires a float number' |
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| 264 | logging.info(msg) |
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| 265 | self.txtNumber.setStyleSheet(QtCore.QString(BG_RED)) |
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| 266 | |
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| 267 | elif float(self.txtNumber.text()) == 0.: |
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| 268 | # should be check that 0 is not chosen |
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| 269 | msg = 'DataOperation: Number requires a non zero number' |
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| 270 | logging.info(msg) |
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| 271 | self.txtNumber.setStyleSheet(QtCore.QString(BG_RED)) |
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| 272 | |
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| 273 | else: |
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| 274 | self.txtNumber.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 275 | self.data2 = float(self.txtNumber.text()) |
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| 276 | self.updatePlot(self.graphData2, self.layoutData2, self.data2) |
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| 277 | |
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| 278 | def onCheckChosenData(self): |
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| 279 | """ Before running compute, check that data1 and 2 are compatible """ |
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| 280 | |
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| 281 | if self.cbData2.currentText() == 'Number': |
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| 282 | self.cbData1.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 283 | self.cbData2.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 284 | return True |
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| 285 | |
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| 286 | elif self.data1.__class__.__name__ != self.data2.__class__.__name__: |
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| 287 | self.cbData1.setStyleSheet(QtCore.QString(BG_RED)) |
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| 288 | self.cbData2.setStyleSheet(QtCore.QString(BG_RED)) |
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| 289 | logging.info('Cannot compute data of different dimensions') |
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| 290 | return False |
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| 291 | |
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| 292 | elif self.data1.__class__.__name__ == 'Data1D'\ |
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| 293 | and (len(self.data2.x) != len(self.data1.x) or |
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| 294 | not all(i == j for i, j in zip(self.data1.x, self.data2.x))): |
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| 295 | logging.info('Cannot compute 1D data of different lengths') |
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| 296 | self.cbData1.setStyleSheet(QtCore.QString(BG_RED)) |
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| 297 | self.cbData2.setStyleSheet(QtCore.QString(BG_RED)) |
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| 298 | return False |
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| 299 | |
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| 300 | elif self.data1.__class__.__name__ == 'Data2D' \ |
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| 301 | and (len(self.data2.qx_data) != len(self.data1.qx_data) \ |
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| 302 | or len(self.data2.qy_data) != len(self.data1.qy_data) |
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| 303 | or not all(i == j for i, j in |
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| 304 | zip(self.data1.qx_data, self.data2.qx_data)) |
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| 305 | or not all(i == j for i, j in |
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| 306 | zip(self.data1.qy_data, self.data2.qy_data)) |
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| 307 | ): |
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| 308 | self.cbData1.setStyleSheet(QtCore.QString(BG_RED)) |
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| 309 | self.cbData2.setStyleSheet(QtCore.QString(BG_RED)) |
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| 310 | logging.info('Cannot compute 2D data of different lengths') |
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| 311 | return False |
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| 312 | |
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| 313 | else: |
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| 314 | self.cbData1.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 315 | self.cbData2.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 316 | return True |
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| 317 | |
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| 318 | def onCheckOutputName(self): |
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| 319 | """ Check that name of output does not already exist """ |
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| 320 | name_to_check = str(self.txtOutputData.text()) |
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| 321 | self.txtOutputData.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 322 | |
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| 323 | if name_to_check is None or name_to_check == '': |
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| 324 | self.txtOutputData.setStyleSheet(QtCore.QString(BG_RED)) |
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| 325 | logging.info('no output name') |
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| 326 | return False |
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| 327 | |
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| 328 | elif name_to_check in self.list_data_items: |
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| 329 | self.txtOutputData.setStyleSheet(QtCore.QString(BG_RED)) |
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| 330 | logging.info('The Output Data Name already exists') |
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| 331 | return False |
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| 332 | |
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| 333 | else: |
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| 334 | self.txtOutputData.setStyleSheet(QtCore.QString(BG_WHITE)) |
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| 335 | return True |
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| 336 | |
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| 337 | # ######## |
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| 338 | # Modification of inputs |
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| 339 | # ######## |
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| 340 | def _findId(self, name): |
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| 341 | """ find id of name in list of filenames """ |
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| 342 | isinstance(name, basestring) |
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| 343 | |
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| 344 | for id in self.filenames.keys(): |
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| 345 | # data with title |
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| 346 | if self.filenames[id].get_data().title: |
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| 347 | input = self.filenames[id].get_data().title |
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| 348 | # data without title |
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| 349 | else: |
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| 350 | input = str(id) |
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| 351 | if name in input: |
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| 352 | return id |
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| 353 | |
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| 354 | def _extractData(self, id): |
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| 355 | """ Extract data from file with id contained in list of filenames """ |
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| 356 | data_complete = self.filenames[id].get_data() |
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| 357 | dimension = data_complete.__class__.__name__ |
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| 358 | |
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| 359 | if dimension == 'Data1D': |
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| 360 | data_set = Data1D(x=data_complete.x, |
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| 361 | y=data_complete.y, |
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| 362 | dx=data_complete.dx, |
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| 363 | dy=data_complete.dy) |
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| 364 | |
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| 365 | elif dimension == 'Data2D': |
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| 366 | data_set = Data2D(image=data_complete.data, |
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| 367 | err_image=data_complete.err_data, |
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| 368 | mask=data_complete.mask, |
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| 369 | qx_data=data_complete.qx_data, |
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| 370 | qy_data=data_complete.qy_data, |
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| 371 | dqx_data=data_complete.dqx_data, |
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| 372 | dqy_data=data_complete.dqy_data, |
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| 373 | q_data=data_complete.q_data, |
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| 374 | xmin=data_complete.xmin, |
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| 375 | xmax=data_complete.xmax, |
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| 376 | ymin=data_complete.ymin, |
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| 377 | ymax=data_complete.ymax, |
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| 378 | zmin=data_complete.zmin, |
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| 379 | zmax=data_complete.zmax) |
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| 380 | |
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| 381 | else: |
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| 382 | logging.info('Error with data format') |
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| 383 | return |
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| 384 | |
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| 385 | return data_set |
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| 386 | |
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| 387 | # ######## |
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| 388 | # PLOTS |
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| 389 | # ######## |
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| 390 | def newPlot(self, graph, layout): |
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| 391 | """ Create template for graphs with default '?' layout""" |
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| 392 | assert isinstance(graph, QtGui.QGraphicsView) |
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| 393 | assert isinstance(layout, QtGui.QHBoxLayout) |
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| 394 | |
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| 395 | # clear layout |
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| 396 | if layout.count() > 0: |
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| 397 | item = layout.takeAt(0) |
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| 398 | layout.removeItem(item) |
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| 399 | |
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| 400 | layout.setContentsMargins(0, 0, 0, 0) |
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| 401 | |
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| 402 | # define default content: '?' |
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| 403 | scene = QtGui.QGraphicsScene() |
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| 404 | scene.addText("?") |
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| 405 | |
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| 406 | subgraph = QtGui.QGraphicsView() |
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| 407 | subgraph.setScene(scene) |
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| 408 | |
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| 409 | layout.addWidget(subgraph) |
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| 410 | |
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| 411 | graph.setLayout(layout) |
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| 412 | |
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| 413 | def updatePlot(self, graph, layout, data): |
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| 414 | """ plot data in graph after clearing its layout """ |
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| 415 | |
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| 416 | assert isinstance(graph, QtGui.QGraphicsView) |
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| 417 | assert isinstance(layout, QtGui.QHBoxLayout) |
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| 418 | |
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| 419 | # clear layout |
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| 420 | if layout.count() > 0: |
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| 421 | item = layout.takeAt(0) |
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| 422 | layout.removeItem(item) |
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| 423 | |
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| 424 | layout.setContentsMargins(0, 0, 0, 0) |
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| 425 | |
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| 426 | if isinstance(data, Data2D): |
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| 427 | # plot 2D data |
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| 428 | plotter2D = Plotter2DWidget(self, quickplot=True) |
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| 429 | plotter2D.data = data |
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| 430 | plotter2D.scale = 'linear' |
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| 431 | |
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| 432 | plotter2D.ax.tick_params(axis='x', labelsize=8) |
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| 433 | plotter2D.ax.tick_params(axis='y', labelsize=8) |
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| 434 | |
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| 435 | # Draw zero axis lines. |
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| 436 | plotter2D.ax.axhline(linewidth=1) |
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| 437 | plotter2D.ax.axvline(linewidth=1) |
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| 438 | |
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| 439 | graph.setLayout(layout) |
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| 440 | layout.addWidget(plotter2D) |
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| 441 | # remove x- and ylabels |
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| 442 | plotter2D.y_label = '' |
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| 443 | plotter2D.x_label = '' |
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| 444 | plotter2D.plot(show_colorbar=False) |
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| 445 | plotter2D.show() |
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| 446 | |
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| 447 | elif isinstance(data, Data1D): |
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| 448 | # plot 1D data |
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| 449 | plotter = PlotterWidget(self, quickplot=True) |
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| 450 | plotter.data = data |
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| 451 | |
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| 452 | graph.setLayout(layout) |
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| 453 | layout.addWidget(plotter) |
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| 454 | |
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| 455 | plotter.ax.tick_params(axis='x', labelsize=8) |
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| 456 | plotter.ax.tick_params(axis='y', labelsize=8) |
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| 457 | |
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| 458 | plotter.plot(hide_error=True, marker='.', show_legend=False) |
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| 459 | |
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| 460 | plotter.show() |
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| 461 | |
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| 462 | elif float(data) and self.cbData2.currentText() == 'Number': |
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| 463 | # display value of coefficient (to be applied to Data1) |
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| 464 | # in graphData2 |
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| 465 | scene = QtGui.QGraphicsScene() |
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| 466 | scene.addText(str(data)) |
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| 467 | |
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| 468 | subgraph = QtGui.QGraphicsView() |
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| 469 | subgraph.setScene(scene) |
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| 470 | |
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| 471 | layout.addWidget(subgraph) |
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| 472 | |
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| 473 | graph.setLayout(layout) |
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