[e1e3e09] | 1 | """ |
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| 2 | Widget/logic for smearing data. |
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| 3 | """ |
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[9a7c81c] | 4 | import copy |
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| 5 | import numpy as np |
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[4992ff2] | 6 | from PyQt5 import QtCore |
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| 7 | from PyQt5 import QtGui |
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| 8 | from PyQt5 import QtWidgets |
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[e1e3e09] | 9 | |
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[9a7c81c] | 10 | from sas.sascalc.fit.qsmearing import smear_selection |
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[dc5ef15] | 11 | from sas.qtgui.Plotting.PlotterData import Data1D |
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| 12 | from sas.qtgui.Plotting.PlotterData import Data2D |
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[d6b8a1d] | 13 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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[e1e3e09] | 14 | |
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| 15 | # Local UI |
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[1bc27f1] | 16 | from sas.qtgui.Perspectives.Fitting.UI.SmearingWidgetUI import Ui_SmearingWidgetUI |
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[e1e3e09] | 17 | |
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[4992ff2] | 18 | class DataWidgetMapper(QtWidgets.QDataWidgetMapper): |
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[180bd54] | 19 | """ |
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| 20 | Custom version of the standard QDataWidgetMapper allowing for proper |
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| 21 | response to index change in comboboxes |
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| 22 | """ |
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| 23 | def addMapping(self, widget, section, propertyName=None): |
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| 24 | if propertyName is None: |
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| 25 | super(DataWidgetMapper, self).addMapping(widget, section) |
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| 26 | else: |
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| 27 | super(DataWidgetMapper, self).addMapping(widget, section, propertyName) |
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| 28 | |
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[4992ff2] | 29 | if isinstance(widget, QtWidgets.QComboBox): |
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[180bd54] | 30 | delegate = self.itemDelegate() |
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[e1e3e09] | 31 | widget.currentIndexChanged.connect(lambda: delegate.commitData.emit(widget)) |
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| 32 | |
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| 33 | SMEARING_1D = ["Custom Pinhole Smear", "Custom Slit Smear"] |
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| 34 | SMEARING_2D = ["Custom Pinhole Smear"] |
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[b14db78] | 35 | SMEARING_QD = "Use dQ Data" |
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[e1e3e09] | 36 | |
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| 37 | MODEL = [ |
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| 38 | 'SMEARING', |
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| 39 | 'PINHOLE_MIN', |
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| 40 | 'PINHOLE_MAX', |
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| 41 | 'ACCURACY'] |
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[9a7c81c] | 42 | ACCURACY_DICT={'Low': 'low', |
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| 43 | 'Medium': 'med', |
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| 44 | 'High': 'high', |
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| 45 | 'Extra high': 'xhigh'} |
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| 46 | |
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| 47 | DEFAULT_PINHOLE_UP=0.0 |
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| 48 | DEFAULT_PINHOLE_DOWN=0.0 |
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[e1e3e09] | 49 | |
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[4992ff2] | 50 | class SmearingWidget(QtWidgets.QWidget, Ui_SmearingWidgetUI): |
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[9a7c81c] | 51 | smearingChangedSignal = QtCore.pyqtSignal() |
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[e1e3e09] | 52 | def __init__(self, parent=None): |
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| 53 | super(SmearingWidget, self).__init__() |
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| 54 | |
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| 55 | self.setupUi(self) |
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[98b13f72] | 56 | |
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| 57 | # Local model for holding data |
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[e1e3e09] | 58 | self.model = None |
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[98b13f72] | 59 | # Mapper for model update |
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[e1e3e09] | 60 | self.mapper = None |
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[9a7c81c] | 61 | # Data from the widget |
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| 62 | self.data = None |
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| 63 | self.current_smearer = None |
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[8b6e4be] | 64 | self.kernel_model = None |
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[b14db78] | 65 | # dQ data variables |
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| 66 | smear_type = None |
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| 67 | dq_l = None |
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| 68 | dq_r = None |
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[98b13f72] | 69 | # Let only floats in the line edits |
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[d6b8a1d] | 70 | self.txtSmearDown.setValidator(GuiUtils.DoubleValidator()) |
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| 71 | self.txtSmearUp.setValidator(GuiUtils.DoubleValidator()) |
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[98b13f72] | 72 | |
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| 73 | # Attach slots |
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| 74 | self.cbSmearing.currentIndexChanged.connect(self.onIndexChange) |
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| 75 | self.cbSmearing.setCurrentIndex(0) |
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[9a7c81c] | 76 | self.txtSmearUp.setText(str(DEFAULT_PINHOLE_UP)) |
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| 77 | self.txtSmearDown.setText(str(DEFAULT_PINHOLE_DOWN)) |
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[98b13f72] | 78 | |
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[e1e3e09] | 79 | self.initModel() |
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| 80 | self.initMapper() |
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| 81 | |
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| 82 | def initModel(self): |
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| 83 | """ |
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| 84 | Initialize the state |
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| 85 | """ |
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| 86 | self.model = QtGui.QStandardItemModel() |
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[b3e8629] | 87 | for model_item in range(len(MODEL)): |
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[e1e3e09] | 88 | self.model.setItem(model_item, QtGui.QStandardItem()) |
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[98b13f72] | 89 | # Attach slot |
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[e1e3e09] | 90 | self.model.dataChanged.connect(self.onModelChange) |
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| 91 | |
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| 92 | def initMapper(self): |
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| 93 | """ |
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| 94 | Initialize model item <-> UI element mapping |
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| 95 | """ |
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| 96 | self.mapper = DataWidgetMapper(self) |
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| 97 | |
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| 98 | self.mapper.setModel(self.model) |
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| 99 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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| 100 | |
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| 101 | self.mapper.addMapping(self.txtSmearUp, MODEL.index('PINHOLE_MIN')) |
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| 102 | self.mapper.addMapping(self.txtSmearDown, MODEL.index('PINHOLE_MAX')) |
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| 103 | self.mapper.addMapping(self.cbAccuracy, MODEL.index('ACCURACY')) |
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[4992ff2] | 104 | |
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[9a7c81c] | 105 | self.mapper.toFirst() |
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[e1e3e09] | 106 | |
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[9a7c81c] | 107 | def updateData(self, data=None): |
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[e1e3e09] | 108 | """ |
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[9a7c81c] | 109 | Update control elements based on data and model passed |
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[e1e3e09] | 110 | """ |
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| 111 | self.cbSmearing.clear() |
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| 112 | self.cbSmearing.addItem("None") |
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[9a7c81c] | 113 | self.gAccuracy.setVisible(False) |
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| 114 | self.data = data |
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[e1e3e09] | 115 | if data is None: |
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| 116 | self.setElementsVisibility(False) |
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[b415abc] | 117 | model = self.kernel_model |
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| 118 | self.updateKernelModel(model) |
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[e1e3e09] | 119 | |
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[9a7c81c] | 120 | def updateKernelModel(self, kernel_model=None): |
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| 121 | """ |
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| 122 | Update the model |
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| 123 | """ |
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| 124 | self.kernel_model = kernel_model |
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[f20ea3f] | 125 | self.cbSmearing.blockSignals(True) |
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[b14db78] | 126 | self.cbSmearing.clear() |
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| 127 | self.cbSmearing.addItem("None") |
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[8b6e4be] | 128 | if self.data is None: |
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| 129 | self.setElementsVisibility(False) |
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| 130 | return |
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[b14db78] | 131 | # Find out if data has dQ |
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| 132 | (self.smear_type, self.dq_l, self.dq_r) = self.getSmearInfo() |
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[f20ea3f] | 133 | index_to_show = 0 |
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[b14db78] | 134 | if self.smear_type is not None: |
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| 135 | self.cbSmearing.addItem(SMEARING_QD) |
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[f20ea3f] | 136 | index_to_show = 1 |
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[b415abc] | 137 | |
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| 138 | if self.kernel_model is None: |
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| 139 | # No model definend yet - just use data file smearing, if any |
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| 140 | self.cbSmearing.blockSignals(False) |
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| 141 | self.cbSmearing.setCurrentIndex(index_to_show) |
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| 142 | return |
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| 143 | |
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[b14db78] | 144 | if isinstance(self.data, Data1D): |
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[8b6e4be] | 145 | self.cbSmearing.addItems(SMEARING_1D) |
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| 146 | else: |
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| 147 | self.cbSmearing.addItems(SMEARING_2D) |
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[f20ea3f] | 148 | self.cbSmearing.blockSignals(False) |
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| 149 | self.cbSmearing.setCurrentIndex(index_to_show) |
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[9a7c81c] | 150 | |
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| 151 | def smearer(self): |
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| 152 | """ Returns the current smearer """ |
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| 153 | return self.current_smearer |
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| 154 | |
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[e1e3e09] | 155 | def onIndexChange(self, index): |
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| 156 | """ |
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| 157 | Callback for smearing combobox index change |
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| 158 | """ |
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[b14db78] | 159 | text = self.cbSmearing.currentText() |
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| 160 | if text == 'None': |
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[e1e3e09] | 161 | self.setElementsVisibility(False) |
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[9a7c81c] | 162 | self.current_smearer = None |
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[b14db78] | 163 | elif text == "Use dQ Data": |
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| 164 | self.setElementsVisibility(True) |
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| 165 | self.setDQLabels() |
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| 166 | if self.smear_type == "Pinhole": |
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| 167 | self.onPinholeSmear() |
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| 168 | else: |
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| 169 | self.onSlitSmear() |
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| 170 | elif text == "Custom Pinhole Smear": |
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[e1e3e09] | 171 | self.setElementsVisibility(True) |
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| 172 | self.setPinholeLabels() |
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[9a7c81c] | 173 | self.onPinholeSmear() |
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[b14db78] | 174 | elif text == "Custom Slit Smear": |
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[e1e3e09] | 175 | self.setElementsVisibility(True) |
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| 176 | self.setSlitLabels() |
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[9a7c81c] | 177 | self.onSlitSmear() |
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| 178 | self.smearingChangedSignal.emit() |
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[e1e3e09] | 179 | |
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[9a7c81c] | 180 | def onModelChange(self): |
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[e1e3e09] | 181 | """ |
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[9a7c81c] | 182 | Respond to model change by notifying any listeners |
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[e1e3e09] | 183 | """ |
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[9a7c81c] | 184 | # Recalculate the smearing |
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| 185 | index = self.cbSmearing.currentIndex() |
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| 186 | self.onIndexChange(index) |
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[e1e3e09] | 187 | |
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| 188 | def setElementsVisibility(self, visible): |
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| 189 | """ |
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| 190 | Labels and linedits visibility control |
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| 191 | """ |
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| 192 | self.lblSmearDown.setVisible(visible) |
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| 193 | self.lblSmearUp.setVisible(visible) |
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| 194 | self.txtSmearDown.setVisible(visible) |
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| 195 | self.txtSmearUp.setVisible(visible) |
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[9a7c81c] | 196 | self.lblUnitUp.setVisible(visible) |
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| 197 | self.lblUnitDown.setVisible(visible) |
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[e1e3e09] | 198 | self.setAccuracyVisibility() |
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| 199 | |
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| 200 | def setAccuracyVisibility(self): |
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| 201 | """ |
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| 202 | Accuracy combobox visibility |
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| 203 | """ |
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[9a7c81c] | 204 | if isinstance(self.data, Data2D) and self.cbSmearing.currentIndex() == 1: |
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| 205 | self.gAccuracy.setVisible(True) |
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[e1e3e09] | 206 | else: |
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[9a7c81c] | 207 | self.gAccuracy.setVisible(False) |
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[e1e3e09] | 208 | |
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| 209 | def setPinholeLabels(self): |
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| 210 | """ |
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| 211 | Use pinhole labels |
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| 212 | """ |
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[9a7c81c] | 213 | self.txtSmearDown.setVisible(False) |
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| 214 | self.lblSmearDown.setText('') |
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| 215 | self.lblUnitDown.setText('') |
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| 216 | if isinstance(self.data, Data2D): |
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| 217 | self.lblUnitUp.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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| 218 | self.lblSmearUp.setText('<html><head/><body><p><dQ<span style=" vertical-align:sub;">low</span>></p></body></html>') |
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| 219 | else: |
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[b415abc] | 220 | self.lblSmearUp.setText('<html><head/><body><p>dQ/Q</p></body></html>') |
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[9a7c81c] | 221 | self.lblUnitUp.setText('%') |
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[b14db78] | 222 | self.txtSmearDown.setEnabled(True) |
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| 223 | self.txtSmearUp.setEnabled(True) |
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[e1e3e09] | 224 | |
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| 225 | def setSlitLabels(self): |
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| 226 | """ |
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| 227 | Use pinhole labels |
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| 228 | """ |
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| 229 | self.lblSmearUp.setText('Slit height') |
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| 230 | self.lblSmearDown.setText('Slit width') |
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[9a7c81c] | 231 | self.lblUnitUp.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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| 232 | self.lblUnitDown.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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[b14db78] | 233 | self.txtSmearDown.setEnabled(True) |
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| 234 | self.txtSmearUp.setEnabled(True) |
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| 235 | |
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| 236 | def setDQLabels(self): |
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| 237 | """ |
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[b415abc] | 238 | Use appropriate labels |
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[b14db78] | 239 | """ |
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| 240 | if self.smear_type == "Pinhole": |
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[b415abc] | 241 | text_down = '<html><head/><body><p>[dQ/Q]<span style=" vertical-align:sub;">max</span></p></body></html>' |
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| 242 | text_up = '<html><head/><body><p>[dQ/Q]<span style=" vertical-align:sub;">min</span></p></body></html>' |
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| 243 | text_unit = '%' |
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| 244 | elif self.smear_type == "Slit": |
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| 245 | text_down = '<html><head/><body><p>Slit width</p></body></html>' |
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| 246 | text_up = '<html><head/><body><p>Slit height</p></body></html>' |
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| 247 | text_unit = '<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>' |
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[b14db78] | 248 | else: |
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[b415abc] | 249 | text_unit = '%' |
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| 250 | text_up = '<html><head/><body><p>‹dQ/Q›<span style=" vertical-align:sub;">r</span></p></body></html>' |
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| 251 | text_down = '<html><head/><body><p>‹dQ/Q›<span style=" vertical-align:sub;">φ</span></p></body></html>' |
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| 252 | |
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| 253 | self.lblSmearDown.setText(text_down) |
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| 254 | self.lblSmearUp.setText(text_up) |
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| 255 | |
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| 256 | self.lblUnitUp.setText(text_unit) |
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| 257 | self.lblUnitDown.setText(text_unit) |
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| 258 | |
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[b14db78] | 259 | self.txtSmearDown.setText(str(self.dq_r)) |
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| 260 | self.txtSmearUp.setText(str(self.dq_l)) |
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| 261 | self.txtSmearDown.setEnabled(False) |
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| 262 | self.txtSmearUp.setEnabled(False) |
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[e1e3e09] | 263 | |
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| 264 | def state(self): |
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| 265 | """ |
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| 266 | Returns current state of controls |
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| 267 | """ |
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[9a7c81c] | 268 | smearing = self.cbSmearing.currentText() |
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[180bd54] | 269 | accuracy = "" |
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| 270 | d_down = None |
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| 271 | d_up = None |
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| 272 | if smearing != "None": |
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| 273 | accuracy = str(self.model.item(MODEL.index('ACCURACY')).text()) |
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| 274 | try: |
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| 275 | d_down = float(self.model.item(MODEL.index('PINHOLE_MIN')).text()) |
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| 276 | except ValueError: |
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| 277 | d_down = None |
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| 278 | try: |
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| 279 | d_up = float(self.model.item(MODEL.index('PINHOLE_MAX')).text()) |
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| 280 | except ValueError: |
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| 281 | d_up = None |
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[98b13f72] | 282 | |
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| 283 | return (smearing, accuracy, d_down, d_up) |
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[672b8ab] | 284 | |
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| 285 | def setState(self, smearing, accuracy, d_down, d_up): |
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| 286 | """ |
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| 287 | Sets new values for the controls |
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| 288 | """ |
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| 289 | # Update the model -> controls update automatically |
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[9a7c81c] | 290 | #if smearing is not None: |
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| 291 | #self.model.item(MODEL.index('SMEARING')).setText(smearing) |
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[672b8ab] | 292 | if accuracy is not None: |
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| 293 | self.model.item(MODEL.index('ACCURACY')).setText(accuracy) |
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| 294 | if d_down is not None: |
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| 295 | self.model.item(MODEL.index('PINHOLE_MIN')).setText(d_down) |
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| 296 | if d_up is not None: |
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| 297 | self.model.item(MODEL.index('PINHOLE_MAX')).setText(d_up) |
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| 298 | |
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[9a7c81c] | 299 | def onPinholeSmear(self): |
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| 300 | """ |
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| 301 | Create a custom pinhole smear object that will change the way residuals |
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| 302 | are compute when fitting |
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| 303 | """ |
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| 304 | _, accuracy, d_percent, _ = self.state() |
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| 305 | if d_percent is None or d_percent == 0.0: |
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| 306 | self.current_smearer=None |
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| 307 | return |
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| 308 | percent = d_percent/100.0 |
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| 309 | # copy data |
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| 310 | data = copy.deepcopy(self.data) |
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| 311 | if isinstance(self.data, Data2D): |
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| 312 | len_data = len(data.data) |
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| 313 | data.dqx_data = np.zeros(len_data) |
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| 314 | data.dqy_data = np.zeros(len_data) |
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| 315 | data.dqx_data[data.dqx_data == 0] = percent * data.qx_data |
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| 316 | data.dqy_data[data.dqy_data == 0] = percent * data.qy_data |
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[b2572f4] | 317 | q = np.sqrt(data.qx_data**2 + data.qy_data**2) |
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| 318 | data.dx_data = data.dqy_data = percent*q |
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[9a7c81c] | 319 | else: |
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| 320 | len_data = len(data.x) |
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| 321 | data.dx = np.zeros(len_data) |
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| 322 | data.dx = percent * data.x |
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| 323 | data.dxl = None |
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| 324 | data.dxw = None |
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| 325 | |
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| 326 | self.current_smearer = smear_selection(data, self.kernel_model) |
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| 327 | # need to set accuracy for 2D |
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| 328 | if isinstance(self.data, Data2D): |
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| 329 | backend_accuracy = ACCURACY_DICT.get(accuracy) |
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| 330 | if backend_accuracy: |
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| 331 | self.current_smearer.set_accuracy(accuracy=backend_accuracy) |
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| 332 | |
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| 333 | def onSlitSmear(self): |
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| 334 | """ |
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| 335 | Create a custom slit smear object that will change the way residuals |
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| 336 | are compute when fitting |
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| 337 | """ |
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| 338 | _, accuracy, d_height, d_width = self.state() |
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[04e1c80] | 339 | |
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[9a7c81c] | 340 | # Check changes in slit width |
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| 341 | if d_width is None: |
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| 342 | d_width = 0.0 |
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| 343 | if d_height is None: |
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| 344 | d_height = 0.0 |
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| 345 | |
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| 346 | if isinstance(self.data, Data2D): |
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[04e1c80] | 347 | self.current_smearer = smear_selection(self.data, self.kernel_model) |
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[9a7c81c] | 348 | return |
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| 349 | # make sure once more if it is smearer |
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| 350 | data = copy.deepcopy(self.data) |
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| 351 | data_len = len(data.x) |
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| 352 | data.dx = None |
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| 353 | data.dxl = None |
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| 354 | data.dxw = None |
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| 355 | |
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| 356 | try: |
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| 357 | self.dxl = d_height |
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| 358 | data.dxl = self.dxl * np.ones(data_len) |
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| 359 | except: |
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| 360 | self.dxl = None |
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| 361 | data.dxl = np.zeros(data_len) |
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| 362 | try: |
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| 363 | self.dxw = d_width |
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| 364 | data.dxw = self.dxw * np.ones(data_len) |
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| 365 | except: |
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| 366 | self.dxw = None |
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| 367 | data.dxw = np.zeros(data_len) |
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| 368 | |
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| 369 | self.current_smearer = smear_selection(data, self.kernel_model) |
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[b14db78] | 370 | |
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| 371 | def getSmearInfo(self): |
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| 372 | """ |
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| 373 | Get the smear info from data. |
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| 374 | |
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| 375 | :return: self.smear_type, self.dq_l and self.dq_r, |
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[b415abc] | 376 | respectively the type of the smear, the average <dq/q> radial(p) |
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| 377 | and <dq/q> theta (s)s for 2D pinhole resolution in % (slit is not |
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| 378 | currently supported in 2D), (dq/q)_min and (dq/q)_max for 1D pinhole |
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| 379 | smeared data, again in %, and dxl and/or dxw for slit smeared data |
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| 380 | given in 1/A and assumed constant. |
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[b14db78] | 381 | """ |
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| 382 | # default |
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| 383 | smear_type = None |
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| 384 | dq_l = None |
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| 385 | dq_r = None |
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| 386 | data = self.data |
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| 387 | if self.data is None: |
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| 388 | return smear_type, dq_l, dq_r |
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[b415abc] | 389 | # First check if data is 2D |
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| 390 | # If so check that data set has smearing info and that none are zero. |
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| 391 | # Otherwise no smearing can be applied using smear from data (a Gaussian |
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| 392 | # width of zero will cause a divide by zero error) |
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[b14db78] | 393 | elif isinstance(data, Data2D): |
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| 394 | if data.dqx_data is None or data.dqy_data is None: |
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| 395 | return smear_type, dq_l, dq_r |
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[b415abc] | 396 | elif data.dqx_data.any() != 0 and data.dqy_data.any() != 0: |
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[b14db78] | 397 | smear_type = "Pinhole2d" |
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[b415abc] | 398 | dq_l = GuiUtils.formatNumber(np.average(data.dqx_data)/abs(data.qx_data)*100., high=True) |
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| 399 | dq_r = GuiUtils.formatNumber(np.average(data.dqy_data)/abd(data.qy_data)*100., high=True) |
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[b14db78] | 400 | return smear_type, dq_l, dq_r |
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| 401 | else: |
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| 402 | return smear_type, dq_l, dq_r |
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| 403 | # check if it is pinhole smear and get min max if it is. |
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[b415abc] | 404 | if data.dx is not None and np.all(data.dx): |
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[b14db78] | 405 | smear_type = "Pinhole" |
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[b415abc] | 406 | dq_l = GuiUtils.formatNumber(data.dx[0]/data.x[0] *100., high=True) |
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| 407 | dq_r = GuiUtils.formatNumber(data.dx[-1]/data.x[-1] *100., high=True) |
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[b14db78] | 408 | |
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| 409 | # check if it is slit smear and get min max if it is. |
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| 410 | elif data.dxl is not None or data.dxw is not None: |
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| 411 | smear_type = "Slit" |
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| 412 | if data.dxl is not None and np.all(data.dxl, 0): |
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[b415abc] | 413 | dq_l = GuiUtils.formatNumber(data.dxl[0]) |
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[b14db78] | 414 | if data.dxw is not None and np.all(data.dxw, 0): |
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[b415abc] | 415 | dq_r = GuiUtils.formatNumber(data.dxw[0]) |
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[b14db78] | 416 | |
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| 417 | return smear_type, dq_l, dq_r |
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