[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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[e900a47] | 66 | self.smear_type = None |
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| 67 | self.dq_l = None |
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| 68 | self.dq_r = None |
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| 69 | |
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| 70 | # current pinhole/slot values |
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| 71 | self.pinhole = 0.0 |
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| 72 | self.slit_height = 0.0 |
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| 73 | self.slit_width = 0.0 |
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| 74 | |
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[98b13f72] | 75 | # Let only floats in the line edits |
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[d6b8a1d] | 76 | self.txtSmearDown.setValidator(GuiUtils.DoubleValidator()) |
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| 77 | self.txtSmearUp.setValidator(GuiUtils.DoubleValidator()) |
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[98b13f72] | 78 | |
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| 79 | # Attach slots |
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| 80 | self.cbSmearing.currentIndexChanged.connect(self.onIndexChange) |
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| 81 | self.cbSmearing.setCurrentIndex(0) |
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[9a7c81c] | 82 | self.txtSmearUp.setText(str(DEFAULT_PINHOLE_UP)) |
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| 83 | self.txtSmearDown.setText(str(DEFAULT_PINHOLE_DOWN)) |
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[98b13f72] | 84 | |
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[e1e3e09] | 85 | self.initModel() |
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| 86 | self.initMapper() |
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| 87 | |
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| 88 | def initModel(self): |
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| 89 | """ |
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| 90 | Initialize the state |
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| 91 | """ |
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| 92 | self.model = QtGui.QStandardItemModel() |
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[b3e8629] | 93 | for model_item in range(len(MODEL)): |
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[e1e3e09] | 94 | self.model.setItem(model_item, QtGui.QStandardItem()) |
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[98b13f72] | 95 | # Attach slot |
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[e1e3e09] | 96 | self.model.dataChanged.connect(self.onModelChange) |
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| 97 | |
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| 98 | def initMapper(self): |
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| 99 | """ |
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| 100 | Initialize model item <-> UI element mapping |
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| 101 | """ |
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| 102 | self.mapper = DataWidgetMapper(self) |
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| 103 | |
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| 104 | self.mapper.setModel(self.model) |
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| 105 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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| 106 | |
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| 107 | self.mapper.addMapping(self.txtSmearUp, MODEL.index('PINHOLE_MIN')) |
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| 108 | self.mapper.addMapping(self.txtSmearDown, MODEL.index('PINHOLE_MAX')) |
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| 109 | self.mapper.addMapping(self.cbAccuracy, MODEL.index('ACCURACY')) |
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[4992ff2] | 110 | |
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[9a7c81c] | 111 | self.mapper.toFirst() |
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[e1e3e09] | 112 | |
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[9a7c81c] | 113 | def updateData(self, data=None): |
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[e1e3e09] | 114 | """ |
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[9a7c81c] | 115 | Update control elements based on data and model passed |
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[e1e3e09] | 116 | """ |
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| 117 | self.cbSmearing.clear() |
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| 118 | self.cbSmearing.addItem("None") |
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[9a7c81c] | 119 | self.gAccuracy.setVisible(False) |
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| 120 | self.data = data |
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[e1e3e09] | 121 | if data is None: |
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| 122 | self.setElementsVisibility(False) |
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[b415abc] | 123 | model = self.kernel_model |
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| 124 | self.updateKernelModel(model) |
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[e1e3e09] | 125 | |
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[9a7c81c] | 126 | def updateKernelModel(self, kernel_model=None): |
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| 127 | """ |
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| 128 | Update the model |
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| 129 | """ |
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| 130 | self.kernel_model = kernel_model |
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[f20ea3f] | 131 | self.cbSmearing.blockSignals(True) |
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[b14db78] | 132 | self.cbSmearing.clear() |
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| 133 | self.cbSmearing.addItem("None") |
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[8b6e4be] | 134 | if self.data is None: |
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| 135 | self.setElementsVisibility(False) |
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| 136 | return |
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[b14db78] | 137 | # Find out if data has dQ |
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| 138 | (self.smear_type, self.dq_l, self.dq_r) = self.getSmearInfo() |
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[f20ea3f] | 139 | index_to_show = 0 |
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[b14db78] | 140 | if self.smear_type is not None: |
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| 141 | self.cbSmearing.addItem(SMEARING_QD) |
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[f20ea3f] | 142 | index_to_show = 1 |
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[b415abc] | 143 | |
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| 144 | if self.kernel_model is None: |
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| 145 | # No model definend yet - just use data file smearing, if any |
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| 146 | self.cbSmearing.blockSignals(False) |
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| 147 | self.cbSmearing.setCurrentIndex(index_to_show) |
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| 148 | return |
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| 149 | |
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[b14db78] | 150 | if isinstance(self.data, Data1D): |
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[8b6e4be] | 151 | self.cbSmearing.addItems(SMEARING_1D) |
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| 152 | else: |
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| 153 | self.cbSmearing.addItems(SMEARING_2D) |
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[f20ea3f] | 154 | self.cbSmearing.blockSignals(False) |
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| 155 | self.cbSmearing.setCurrentIndex(index_to_show) |
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[9a7c81c] | 156 | |
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| 157 | def smearer(self): |
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| 158 | """ Returns the current smearer """ |
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| 159 | return self.current_smearer |
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| 160 | |
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[e1e3e09] | 161 | def onIndexChange(self, index): |
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| 162 | """ |
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| 163 | Callback for smearing combobox index change |
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| 164 | """ |
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[b14db78] | 165 | text = self.cbSmearing.currentText() |
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| 166 | if text == 'None': |
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[e1e3e09] | 167 | self.setElementsVisibility(False) |
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[9a7c81c] | 168 | self.current_smearer = None |
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[b14db78] | 169 | elif text == "Use dQ Data": |
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| 170 | self.setElementsVisibility(True) |
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| 171 | self.setDQLabels() |
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| 172 | if self.smear_type == "Pinhole": |
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| 173 | self.onPinholeSmear() |
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| 174 | else: |
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| 175 | self.onSlitSmear() |
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| 176 | elif text == "Custom Pinhole Smear": |
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[e1e3e09] | 177 | self.setElementsVisibility(True) |
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| 178 | self.setPinholeLabels() |
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[9a7c81c] | 179 | self.onPinholeSmear() |
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[b14db78] | 180 | elif text == "Custom Slit Smear": |
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[e1e3e09] | 181 | self.setElementsVisibility(True) |
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| 182 | self.setSlitLabels() |
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[9a7c81c] | 183 | self.onSlitSmear() |
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| 184 | self.smearingChangedSignal.emit() |
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[e1e3e09] | 185 | |
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[9a7c81c] | 186 | def onModelChange(self): |
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[e1e3e09] | 187 | """ |
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[9a7c81c] | 188 | Respond to model change by notifying any listeners |
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[e1e3e09] | 189 | """ |
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[9a7c81c] | 190 | # Recalculate the smearing |
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| 191 | index = self.cbSmearing.currentIndex() |
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[e900a47] | 192 | ## update the backup values based on model choice |
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| 193 | smearing, accuracy, d_down, d_up = self.state() |
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| 194 | # don't save the state if dQ Data |
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| 195 | if smearing == "Custom Pinhole Smear": |
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| 196 | self.pinhole = d_down |
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| 197 | self.accuracy = accuracy |
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| 198 | elif smearing == 'Custom Slit Smear': |
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| 199 | self.slit_height = d_up |
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| 200 | self.slit_width = d_down |
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| 201 | |
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[9a7c81c] | 202 | self.onIndexChange(index) |
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[e1e3e09] | 203 | |
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| 204 | def setElementsVisibility(self, visible): |
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| 205 | """ |
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| 206 | Labels and linedits visibility control |
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| 207 | """ |
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| 208 | self.lblSmearDown.setVisible(visible) |
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| 209 | self.lblSmearUp.setVisible(visible) |
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| 210 | self.txtSmearDown.setVisible(visible) |
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| 211 | self.txtSmearUp.setVisible(visible) |
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[9a7c81c] | 212 | self.lblUnitUp.setVisible(visible) |
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| 213 | self.lblUnitDown.setVisible(visible) |
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[e1e3e09] | 214 | self.setAccuracyVisibility() |
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| 215 | |
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| 216 | def setAccuracyVisibility(self): |
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| 217 | """ |
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| 218 | Accuracy combobox visibility |
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| 219 | """ |
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[9a7c81c] | 220 | if isinstance(self.data, Data2D) and self.cbSmearing.currentIndex() == 1: |
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| 221 | self.gAccuracy.setVisible(True) |
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[e1e3e09] | 222 | else: |
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[9a7c81c] | 223 | self.gAccuracy.setVisible(False) |
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[e1e3e09] | 224 | |
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| 225 | def setPinholeLabels(self): |
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| 226 | """ |
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| 227 | Use pinhole labels |
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| 228 | """ |
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[9a7c81c] | 229 | self.txtSmearDown.setVisible(False) |
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| 230 | self.lblSmearDown.setText('') |
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| 231 | self.lblUnitDown.setText('') |
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| 232 | if isinstance(self.data, Data2D): |
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| 233 | self.lblUnitUp.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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| 234 | self.lblSmearUp.setText('<html><head/><body><p><dQ<span style=" vertical-align:sub;">low</span>></p></body></html>') |
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| 235 | else: |
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[b415abc] | 236 | self.lblSmearUp.setText('<html><head/><body><p>dQ/Q</p></body></html>') |
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[9a7c81c] | 237 | self.lblUnitUp.setText('%') |
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[e900a47] | 238 | self.txtSmearUp.setText(str(self.pinhole)) |
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| 239 | |
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[b14db78] | 240 | self.txtSmearDown.setEnabled(True) |
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| 241 | self.txtSmearUp.setEnabled(True) |
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[e1e3e09] | 242 | |
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| 243 | def setSlitLabels(self): |
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| 244 | """ |
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| 245 | Use pinhole labels |
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| 246 | """ |
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| 247 | self.lblSmearUp.setText('Slit height') |
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| 248 | self.lblSmearDown.setText('Slit width') |
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[9a7c81c] | 249 | self.lblUnitUp.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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| 250 | self.lblUnitDown.setText('<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>') |
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[e900a47] | 251 | self.txtSmearDown.setText(str(self.slit_height)) |
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| 252 | self.txtSmearUp.setText(str(self.slit_width)) |
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[b14db78] | 253 | self.txtSmearDown.setEnabled(True) |
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| 254 | self.txtSmearUp.setEnabled(True) |
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| 255 | |
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| 256 | def setDQLabels(self): |
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| 257 | """ |
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[b415abc] | 258 | Use appropriate labels |
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[b14db78] | 259 | """ |
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| 260 | if self.smear_type == "Pinhole": |
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[b415abc] | 261 | text_down = '<html><head/><body><p>[dQ/Q]<span style=" vertical-align:sub;">max</span></p></body></html>' |
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| 262 | text_up = '<html><head/><body><p>[dQ/Q]<span style=" vertical-align:sub;">min</span></p></body></html>' |
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| 263 | text_unit = '%' |
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| 264 | elif self.smear_type == "Slit": |
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| 265 | text_down = '<html><head/><body><p>Slit width</p></body></html>' |
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| 266 | text_up = '<html><head/><body><p>Slit height</p></body></html>' |
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| 267 | text_unit = '<html><head/><body><p>Ã
<span style=" vertical-align:super;">-1</span></p></body></html>' |
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[b14db78] | 268 | else: |
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[b415abc] | 269 | text_unit = '%' |
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| 270 | text_up = '<html><head/><body><p>‹dQ/Q›<span style=" vertical-align:sub;">r</span></p></body></html>' |
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| 271 | text_down = '<html><head/><body><p>‹dQ/Q›<span style=" vertical-align:sub;">φ</span></p></body></html>' |
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| 272 | |
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| 273 | self.lblSmearDown.setText(text_down) |
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| 274 | self.lblSmearUp.setText(text_up) |
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| 275 | |
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| 276 | self.lblUnitUp.setText(text_unit) |
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| 277 | self.lblUnitDown.setText(text_unit) |
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| 278 | |
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[b14db78] | 279 | self.txtSmearDown.setText(str(self.dq_r)) |
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| 280 | self.txtSmearUp.setText(str(self.dq_l)) |
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| 281 | self.txtSmearDown.setEnabled(False) |
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| 282 | self.txtSmearUp.setEnabled(False) |
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[e1e3e09] | 283 | |
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| 284 | def state(self): |
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| 285 | """ |
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| 286 | Returns current state of controls |
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| 287 | """ |
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[9a7c81c] | 288 | smearing = self.cbSmearing.currentText() |
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[180bd54] | 289 | accuracy = "" |
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| 290 | d_down = None |
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| 291 | d_up = None |
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| 292 | if smearing != "None": |
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| 293 | accuracy = str(self.model.item(MODEL.index('ACCURACY')).text()) |
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| 294 | try: |
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[e900a47] | 295 | d_down = float(self.txtSmearUp.text()) |
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[180bd54] | 296 | except ValueError: |
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| 297 | d_down = None |
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| 298 | try: |
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[e900a47] | 299 | d_up = float(self.txtSmearDown.text()) |
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[180bd54] | 300 | except ValueError: |
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| 301 | d_up = None |
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[98b13f72] | 302 | |
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| 303 | return (smearing, accuracy, d_down, d_up) |
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[672b8ab] | 304 | |
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| 305 | def setState(self, smearing, accuracy, d_down, d_up): |
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| 306 | """ |
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| 307 | Sets new values for the controls |
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| 308 | """ |
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| 309 | # Update the model -> controls update automatically |
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| 310 | if accuracy is not None: |
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| 311 | self.model.item(MODEL.index('ACCURACY')).setText(accuracy) |
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| 312 | if d_down is not None: |
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| 313 | self.model.item(MODEL.index('PINHOLE_MIN')).setText(d_down) |
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| 314 | if d_up is not None: |
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| 315 | self.model.item(MODEL.index('PINHOLE_MAX')).setText(d_up) |
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| 316 | |
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[9a7c81c] | 317 | def onPinholeSmear(self): |
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| 318 | """ |
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| 319 | Create a custom pinhole smear object that will change the way residuals |
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| 320 | are compute when fitting |
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| 321 | """ |
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| 322 | _, accuracy, d_percent, _ = self.state() |
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| 323 | if d_percent is None or d_percent == 0.0: |
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| 324 | self.current_smearer=None |
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| 325 | return |
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| 326 | percent = d_percent/100.0 |
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| 327 | # copy data |
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| 328 | data = copy.deepcopy(self.data) |
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| 329 | if isinstance(self.data, Data2D): |
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| 330 | len_data = len(data.data) |
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| 331 | data.dqx_data = np.zeros(len_data) |
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| 332 | data.dqy_data = np.zeros(len_data) |
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| 333 | data.dqx_data[data.dqx_data == 0] = percent * data.qx_data |
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| 334 | data.dqy_data[data.dqy_data == 0] = percent * data.qy_data |
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[b2572f4] | 335 | q = np.sqrt(data.qx_data**2 + data.qy_data**2) |
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| 336 | data.dx_data = data.dqy_data = percent*q |
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[9a7c81c] | 337 | else: |
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| 338 | len_data = len(data.x) |
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| 339 | data.dx = np.zeros(len_data) |
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| 340 | data.dx = percent * data.x |
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| 341 | data.dxl = None |
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| 342 | data.dxw = None |
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| 343 | |
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| 344 | self.current_smearer = smear_selection(data, self.kernel_model) |
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| 345 | # need to set accuracy for 2D |
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| 346 | if isinstance(self.data, Data2D): |
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| 347 | backend_accuracy = ACCURACY_DICT.get(accuracy) |
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| 348 | if backend_accuracy: |
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| 349 | self.current_smearer.set_accuracy(accuracy=backend_accuracy) |
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| 350 | |
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| 351 | def onSlitSmear(self): |
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| 352 | """ |
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| 353 | Create a custom slit smear object that will change the way residuals |
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| 354 | are compute when fitting |
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| 355 | """ |
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| 356 | _, accuracy, d_height, d_width = self.state() |
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[04e1c80] | 357 | |
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[9a7c81c] | 358 | # Check changes in slit width |
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| 359 | if d_width is None: |
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| 360 | d_width = 0.0 |
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| 361 | if d_height is None: |
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| 362 | d_height = 0.0 |
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| 363 | |
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[e900a47] | 364 | self.slit_width = d_width |
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| 365 | self.slit_height = d_height |
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| 366 | |
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[9a7c81c] | 367 | if isinstance(self.data, Data2D): |
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[04e1c80] | 368 | self.current_smearer = smear_selection(self.data, self.kernel_model) |
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[9a7c81c] | 369 | return |
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| 370 | # make sure once more if it is smearer |
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| 371 | data = copy.deepcopy(self.data) |
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| 372 | data_len = len(data.x) |
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| 373 | data.dx = None |
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| 374 | data.dxl = None |
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| 375 | data.dxw = None |
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| 376 | |
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| 377 | try: |
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| 378 | self.dxl = d_height |
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| 379 | data.dxl = self.dxl * np.ones(data_len) |
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| 380 | except: |
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| 381 | self.dxl = None |
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| 382 | data.dxl = np.zeros(data_len) |
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| 383 | try: |
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| 384 | self.dxw = d_width |
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| 385 | data.dxw = self.dxw * np.ones(data_len) |
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| 386 | except: |
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| 387 | self.dxw = None |
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| 388 | data.dxw = np.zeros(data_len) |
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| 389 | |
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| 390 | self.current_smearer = smear_selection(data, self.kernel_model) |
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[b14db78] | 391 | |
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| 392 | def getSmearInfo(self): |
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| 393 | """ |
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| 394 | Get the smear info from data. |
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| 395 | |
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| 396 | :return: self.smear_type, self.dq_l and self.dq_r, |
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[b415abc] | 397 | respectively the type of the smear, the average <dq/q> radial(p) |
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| 398 | and <dq/q> theta (s)s for 2D pinhole resolution in % (slit is not |
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| 399 | currently supported in 2D), (dq/q)_min and (dq/q)_max for 1D pinhole |
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| 400 | smeared data, again in %, and dxl and/or dxw for slit smeared data |
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| 401 | given in 1/A and assumed constant. |
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[b14db78] | 402 | """ |
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| 403 | # default |
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| 404 | smear_type = None |
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| 405 | dq_l = None |
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| 406 | dq_r = None |
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| 407 | data = self.data |
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| 408 | if self.data is None: |
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| 409 | return smear_type, dq_l, dq_r |
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[b415abc] | 410 | # First check if data is 2D |
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| 411 | # If so check that data set has smearing info and that none are zero. |
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| 412 | # Otherwise no smearing can be applied using smear from data (a Gaussian |
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| 413 | # width of zero will cause a divide by zero error) |
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[b14db78] | 414 | elif isinstance(data, Data2D): |
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| 415 | if data.dqx_data is None or data.dqy_data is None: |
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| 416 | return smear_type, dq_l, dq_r |
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[b415abc] | 417 | elif data.dqx_data.any() != 0 and data.dqy_data.any() != 0: |
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[b14db78] | 418 | smear_type = "Pinhole2d" |
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[a5f7bf4] | 419 | dq_l = GuiUtils.formatNumber(np.average(data.dqx_data/np.abs(data.qx_data))*100., high=True) |
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| 420 | dq_r = GuiUtils.formatNumber(np.average(data.dqy_data/np.abs(data.qy_data))*100., high=True) |
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[b14db78] | 421 | return smear_type, dq_l, dq_r |
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| 422 | else: |
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| 423 | return smear_type, dq_l, dq_r |
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| 424 | # check if it is pinhole smear and get min max if it is. |
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[b415abc] | 425 | if data.dx is not None and np.all(data.dx): |
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[b14db78] | 426 | smear_type = "Pinhole" |
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[b415abc] | 427 | dq_l = GuiUtils.formatNumber(data.dx[0]/data.x[0] *100., high=True) |
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| 428 | dq_r = GuiUtils.formatNumber(data.dx[-1]/data.x[-1] *100., high=True) |
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[b14db78] | 429 | |
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| 430 | # check if it is slit smear and get min max if it is. |
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| 431 | elif data.dxl is not None or data.dxw is not None: |
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| 432 | smear_type = "Slit" |
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| 433 | if data.dxl is not None and np.all(data.dxl, 0): |
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[b415abc] | 434 | dq_l = GuiUtils.formatNumber(data.dxl[0]) |
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[b14db78] | 435 | if data.dxw is not None and np.all(data.dxw, 0): |
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[b415abc] | 436 | dq_r = GuiUtils.formatNumber(data.dxw[0]) |
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[b14db78] | 437 | |
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| 438 | return smear_type, dq_l, dq_r |
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