[60af928] | 1 | import sys |
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| 2 | import json |
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[cd31251] | 3 | import os |
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[5236449] | 4 | import numpy |
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[60af928] | 5 | from collections import defaultdict |
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| 6 | |
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[5236449] | 7 | import logging |
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| 8 | import traceback |
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[cbcdd2c] | 9 | from twisted.internet import threads |
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[5236449] | 10 | |
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[60af928] | 11 | from PyQt4 import QtGui |
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| 12 | from PyQt4 import QtCore |
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| 13 | |
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| 14 | from sasmodels import generate |
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| 15 | from sasmodels import modelinfo |
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[5236449] | 16 | from sasmodels.sasview_model import load_standard_models |
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| 17 | |
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[60af928] | 18 | from sas.sasgui.guiframe.CategoryInstaller import CategoryInstaller |
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[5236449] | 19 | from sas.sasgui.guiframe.dataFitting import Data1D |
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| 20 | from sas.sasgui.guiframe.dataFitting import Data2D |
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| 21 | import sas.qtgui.GuiUtils as GuiUtils |
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| 22 | from sas.sasgui.perspectives.fitting.model_thread import Calc1D |
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[cbcdd2c] | 23 | from sas.sasgui.perspectives.fitting.model_thread import Calc2D |
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[5236449] | 24 | |
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| 25 | from UI.FittingWidgetUI import Ui_FittingWidgetUI |
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[4d457df] | 26 | from sas.qtgui.Perspectives.Fitting.FittingLogic import FittingLogic |
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| 27 | from sas.qtgui.Perspectives.Fitting import FittingUtilities |
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[60af928] | 28 | |
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| 29 | TAB_MAGNETISM = 4 |
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| 30 | TAB_POLY = 3 |
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[cbcdd2c] | 31 | CATEGORY_DEFAULT = "Choose category..." |
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[4d457df] | 32 | CATEGORY_STRUCTURE = "Structure Factor" |
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[351b53e] | 33 | STRUCTURE_DEFAULT = "None" |
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[cbcdd2c] | 34 | QMIN_DEFAULT = 0.0005 |
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| 35 | QMAX_DEFAULT = 0.5 |
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| 36 | NPTS_DEFAULT = 50 |
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[60af928] | 37 | |
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| 38 | class FittingWidget(QtGui.QWidget, Ui_FittingWidgetUI): |
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| 39 | """ |
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[f46f6dc] | 40 | Main widget for selecting form and structure factor models |
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[60af928] | 41 | """ |
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[811bec1] | 42 | def __init__(self, parent=None, data=None, id=1): |
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[60af928] | 43 | |
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| 44 | super(FittingWidget, self).__init__() |
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| 45 | |
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[86f88d1] | 46 | # Necessary globals |
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[cbcdd2c] | 47 | self.parent = parent |
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| 48 | # SasModel is loaded |
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[60af928] | 49 | self.model_is_loaded = False |
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[cbcdd2c] | 50 | # Data[12]D passed and set |
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[5236449] | 51 | self.data_is_loaded = False |
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[cbcdd2c] | 52 | # Current SasModel in view |
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[5236449] | 53 | self.kernel_module = None |
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[cbcdd2c] | 54 | # Current SasModel view dimension |
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[60af928] | 55 | self.is2D = False |
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[cbcdd2c] | 56 | # Current SasModel is multishell |
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[86f88d1] | 57 | self.model_has_shells = False |
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[cbcdd2c] | 58 | # Utility variable to enable unselectable option in category combobox |
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[86f88d1] | 59 | self._previous_category_index = 0 |
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[cbcdd2c] | 60 | # Utility variable for multishell display |
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[86f88d1] | 61 | self._last_model_row = 0 |
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[cbcdd2c] | 62 | # Dictionary of {model name: model class} for the current category |
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[5236449] | 63 | self.models = {} |
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| 64 | |
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| 65 | # Which tab is this widget displayed in? |
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| 66 | self.tab_id = id |
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| 67 | |
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[811bec1] | 68 | # Range parameters |
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[cbcdd2c] | 69 | self.q_range_min = QMIN_DEFAULT |
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| 70 | self.q_range_max = QMAX_DEFAULT |
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| 71 | self.npts = NPTS_DEFAULT |
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[811bec1] | 72 | |
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[cbcdd2c] | 73 | # Main Data[12]D holder |
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[4d457df] | 74 | self.logic = FittingLogic(data=data) |
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[60af928] | 75 | |
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[86f88d1] | 76 | # Main GUI setup up |
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[60af928] | 77 | self.setupUi(self) |
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| 78 | self.setWindowTitle("Fitting") |
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[cbcdd2c] | 79 | self.communicate = self.parent.communicate |
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[60af928] | 80 | |
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[86f88d1] | 81 | # Set the main models |
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[cd31251] | 82 | # We can't use a single model here, due to restrictions on flattening |
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| 83 | # the model tree with subclassed QAbstractProxyModel... |
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[60af928] | 84 | self._model_model = QtGui.QStandardItemModel() |
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| 85 | self._poly_model = QtGui.QStandardItemModel() |
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| 86 | self._magnet_model = QtGui.QStandardItemModel() |
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| 87 | |
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| 88 | # Param model displayed in param list |
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| 89 | self.lstParams.setModel(self._model_model) |
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[5236449] | 90 | self.readCategoryInfo() |
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[60af928] | 91 | self.model_parameters = None |
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[86f88d1] | 92 | self.lstParams.setAlternatingRowColors(True) |
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[60af928] | 93 | |
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| 94 | # Poly model displayed in poly list |
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[811bec1] | 95 | self.lstPoly.setModel(self._poly_model) |
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[60af928] | 96 | self.setPolyModel() |
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| 97 | self.setTableProperties(self.lstPoly) |
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| 98 | |
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| 99 | # Magnetism model displayed in magnetism list |
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| 100 | self.lstMagnetic.setModel(self._magnet_model) |
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| 101 | self.setMagneticModel() |
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| 102 | self.setTableProperties(self.lstMagnetic) |
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| 103 | |
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[5236449] | 104 | # Defaults for the structure factors |
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[6f7f652] | 105 | self.setDefaultStructureCombo() |
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| 106 | |
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[5236449] | 107 | # Make structure factor and model CBs disabled |
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[6f7f652] | 108 | self.disableModelCombo() |
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| 109 | self.disableStructureCombo() |
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[60af928] | 110 | |
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[6f7f652] | 111 | # Generate the category list for display |
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[60af928] | 112 | category_list = sorted(self.master_category_dict.keys()) |
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[86f88d1] | 113 | self.cbCategory.addItem(CATEGORY_DEFAULT) |
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[60af928] | 114 | self.cbCategory.addItems(category_list) |
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[4d457df] | 115 | self.cbCategory.addItem(CATEGORY_STRUCTURE) |
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[6f7f652] | 116 | self.cbCategory.setCurrentIndex(0) |
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[60af928] | 117 | |
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[5236449] | 118 | self._index = data |
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| 119 | if data is not None: |
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| 120 | self.data = data |
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| 121 | |
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[86f88d1] | 122 | # Connect signals to controls |
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| 123 | self.initializeSignals() |
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[60af928] | 124 | |
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[86f88d1] | 125 | # Initial control state |
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| 126 | self.initializeControls() |
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[60af928] | 127 | |
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| 128 | @property |
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| 129 | def data(self): |
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[4d457df] | 130 | return self.logic.data |
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[60af928] | 131 | |
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| 132 | @data.setter |
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| 133 | def data(self, value): |
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| 134 | """ data setter """ |
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[4d457df] | 135 | assert isinstance(value[0], QtGui.QStandardItem) |
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[cbcdd2c] | 136 | # _index contains the QIndex with data |
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[5236449] | 137 | self._index = value |
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[4d457df] | 138 | # Update logics with data items |
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| 139 | self.logic.data = GuiUtils.dataFromItem(value[0]) |
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| 140 | |
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[5236449] | 141 | self.data_is_loaded = True |
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[cbcdd2c] | 142 | # Tag along functionality |
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[5236449] | 143 | self.updateQRange() |
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| 144 | self.cmdFit.setEnabled(True) |
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[60af928] | 145 | |
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[f46f6dc] | 146 | def acceptsData(self): |
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| 147 | """ Tells the caller this widget can accept new dataset """ |
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[5236449] | 148 | return not self.data_is_loaded |
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[f46f6dc] | 149 | |
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[6f7f652] | 150 | def disableModelCombo(self): |
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[cbcdd2c] | 151 | """ Disable the combobox """ |
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[6f7f652] | 152 | self.cbModel.setEnabled(False) |
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| 153 | self.label_3.setEnabled(False) |
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| 154 | |
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| 155 | def enableModelCombo(self): |
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[cbcdd2c] | 156 | """ Enable the combobox """ |
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[6f7f652] | 157 | self.cbModel.setEnabled(True) |
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| 158 | self.label_3.setEnabled(True) |
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| 159 | |
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| 160 | def disableStructureCombo(self): |
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[cbcdd2c] | 161 | """ Disable the combobox """ |
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[6f7f652] | 162 | self.cbStructureFactor.setEnabled(False) |
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| 163 | self.label_4.setEnabled(False) |
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| 164 | |
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| 165 | def enableStructureCombo(self): |
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[cbcdd2c] | 166 | """ Enable the combobox """ |
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[6f7f652] | 167 | self.cbStructureFactor.setEnabled(True) |
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| 168 | self.label_4.setEnabled(True) |
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| 169 | |
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[5236449] | 170 | def updateQRange(self): |
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| 171 | """ |
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| 172 | Updates Q Range display |
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| 173 | """ |
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| 174 | if self.data_is_loaded: |
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[4d457df] | 175 | self.q_range_min, self.q_range_max, self.npts = self.logic.computeDataRange() |
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[cbcdd2c] | 176 | # set Q range labels on the main tab |
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[5236449] | 177 | self.lblMinRangeDef.setText(str(self.q_range_min)) |
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| 178 | self.lblMaxRangeDef.setText(str(self.q_range_max)) |
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[cbcdd2c] | 179 | # set Q range labels on the options tab |
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[5236449] | 180 | self.txtMaxRange.setText(str(self.q_range_max)) |
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| 181 | self.txtMinRange.setText(str(self.q_range_min)) |
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| 182 | self.txtNpts.setText(str(self.npts)) |
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| 183 | |
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[86f88d1] | 184 | def initializeControls(self): |
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| 185 | """ |
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| 186 | Set initial control enablement |
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| 187 | """ |
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| 188 | self.cmdFit.setEnabled(False) |
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| 189 | self.cmdPlot.setEnabled(True) |
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| 190 | self.chkPolydispersity.setEnabled(True) |
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| 191 | self.chkPolydispersity.setCheckState(False) |
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| 192 | self.chk2DView.setEnabled(True) |
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| 193 | self.chk2DView.setCheckState(False) |
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| 194 | self.chkMagnetism.setEnabled(False) |
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| 195 | self.chkMagnetism.setCheckState(False) |
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[cbcdd2c] | 196 | # Tabs |
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[86f88d1] | 197 | self.tabFitting.setTabEnabled(TAB_POLY, False) |
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| 198 | self.tabFitting.setTabEnabled(TAB_MAGNETISM, False) |
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| 199 | self.lblChi2Value.setText("---") |
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[5236449] | 200 | # Update Q Ranges |
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| 201 | self.updateQRange() |
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[86f88d1] | 202 | |
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| 203 | def initializeSignals(self): |
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| 204 | """ |
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| 205 | Connect GUI element signals |
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| 206 | """ |
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[cbcdd2c] | 207 | # Comboboxes |
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[cd31251] | 208 | self.cbStructureFactor.currentIndexChanged.connect(self.onSelectStructureFactor) |
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| 209 | self.cbCategory.currentIndexChanged.connect(self.onSelectCategory) |
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| 210 | self.cbModel.currentIndexChanged.connect(self.onSelectModel) |
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[cbcdd2c] | 211 | # Checkboxes |
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[86f88d1] | 212 | self.chk2DView.toggled.connect(self.toggle2D) |
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| 213 | self.chkPolydispersity.toggled.connect(self.togglePoly) |
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| 214 | self.chkMagnetism.toggled.connect(self.toggleMagnetism) |
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[cbcdd2c] | 215 | # Buttons |
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[5236449] | 216 | self.cmdFit.clicked.connect(self.onFit) |
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[cbcdd2c] | 217 | self.cmdPlot.clicked.connect(self.onPlot) |
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| 218 | # Line edits |
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| 219 | self.txtNpts.textChanged.connect(self.onNpts) |
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| 220 | self.txtMinRange.textChanged.connect(self.onMinRange) |
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| 221 | self.txtMaxRange.textChanged.connect(self.onMaxRange) |
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| 222 | |
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| 223 | # Respond to change in parameters from the UI |
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| 224 | self._model_model.itemChanged.connect(self.updateParamsFromModel) |
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[cd31251] | 225 | self._poly_model.itemChanged.connect(self.onPolyModelChange) |
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| 226 | # TODO after the poly_model prototype accepted |
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| 227 | #self._magnet_model.itemChanged.connect(self.onMagneticModelChange) |
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[86f88d1] | 228 | |
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[6f7f652] | 229 | def setDefaultStructureCombo(self): |
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[cbcdd2c] | 230 | """ |
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| 231 | Fill in the structure factors combo box with defaults |
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| 232 | """ |
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[4d457df] | 233 | structure_factor_list = self.master_category_dict.pop(CATEGORY_STRUCTURE) |
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[351b53e] | 234 | factors = [factor[0] for factor in structure_factor_list] |
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| 235 | factors.insert(0, STRUCTURE_DEFAULT) |
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[6f7f652] | 236 | self.cbStructureFactor.clear() |
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[351b53e] | 237 | self.cbStructureFactor.addItems(sorted(factors)) |
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[6f7f652] | 238 | |
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[cd31251] | 239 | def onSelectCategory(self): |
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[60af928] | 240 | """ |
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| 241 | Select Category from list |
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| 242 | """ |
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[4d457df] | 243 | category = str(self.cbCategory.currentText()) |
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[86f88d1] | 244 | # Check if the user chose "Choose category entry" |
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[4d457df] | 245 | if category == CATEGORY_DEFAULT: |
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[86f88d1] | 246 | # if the previous category was not the default, keep it. |
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| 247 | # Otherwise, just return |
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| 248 | if self._previous_category_index != 0: |
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[351b53e] | 249 | # We need to block signals, or else state changes on perceived unchanged conditions |
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| 250 | self.cbCategory.blockSignals(True) |
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[86f88d1] | 251 | self.cbCategory.setCurrentIndex(self._previous_category_index) |
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[351b53e] | 252 | self.cbCategory.blockSignals(False) |
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[86f88d1] | 253 | return |
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| 254 | |
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[4d457df] | 255 | if category == CATEGORY_STRUCTURE: |
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[6f7f652] | 256 | self.disableModelCombo() |
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| 257 | self.enableStructureCombo() |
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[29eb947] | 258 | self._model_model.clear() |
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[6f7f652] | 259 | return |
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| 260 | |
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[cbcdd2c] | 261 | # Safely clear and enable the model combo |
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[6f7f652] | 262 | self.cbModel.blockSignals(True) |
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| 263 | self.cbModel.clear() |
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| 264 | self.cbModel.blockSignals(False) |
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| 265 | self.enableModelCombo() |
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| 266 | self.disableStructureCombo() |
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| 267 | |
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[86f88d1] | 268 | self._previous_category_index = self.cbCategory.currentIndex() |
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[cbcdd2c] | 269 | # Retrieve the list of models |
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[4d457df] | 270 | model_list = self.master_category_dict[category] |
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[6f7f652] | 271 | models = [] |
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[cbcdd2c] | 272 | # Populate the models combobox |
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[4d457df] | 273 | self.cbModel.addItems(sorted([model for (model,_) in model_list])) |
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| 274 | |
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| 275 | def createDefaultDataset(self): |
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| 276 | """ |
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| 277 | Generate default Dataset 1D/2D for the given model |
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| 278 | """ |
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| 279 | # Create default datasets if no data passed |
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| 280 | if self.is2D: |
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| 281 | qmax = self.q_range_max/numpy.sqrt(2) |
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| 282 | qstep = self.npts |
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| 283 | self.logic.createDefault2dData(qmax, qstep, self.tab_id) |
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| 284 | else: |
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| 285 | interval = numpy.linspace(start=self.q_range_min, stop=self.q_range_max, |
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| 286 | num=self.npts, endpoint=True) |
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| 287 | self.logic.createDefault1dData(interval, self.tab_id) |
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[60af928] | 288 | |
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[cd31251] | 289 | def onSelectModel(self): |
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[60af928] | 290 | """ |
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[5236449] | 291 | Respond to select Model from list event |
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[60af928] | 292 | """ |
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[cbcdd2c] | 293 | model = str(self.cbModel.currentText()) |
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[5236449] | 294 | |
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[351b53e] | 295 | # Reset structure factor |
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| 296 | self.cbStructureFactor.setCurrentIndex(0) |
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| 297 | |
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[5236449] | 298 | # SasModel -> QModel |
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[4d457df] | 299 | self.SASModelToQModel(model) |
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[60af928] | 300 | |
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[5236449] | 301 | if self._index is None: |
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[cbcdd2c] | 302 | # Create default datasets if no data passed |
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[4d457df] | 303 | self.createDefaultDataset() |
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[5236449] | 304 | else: |
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[4d457df] | 305 | self.calculateDataForModel() |
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[5236449] | 306 | |
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[cd31251] | 307 | def onSelectStructureFactor(self): |
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[60af928] | 308 | """ |
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| 309 | Select Structure Factor from list |
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| 310 | """ |
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[cd31251] | 311 | model = str(self.cbModel.currentText()) |
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[29eb947] | 312 | category = str(self.cbCategory.currentText()) |
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[cd31251] | 313 | structure = str(self.cbStructureFactor.currentText()) |
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[29eb947] | 314 | if category == CATEGORY_STRUCTURE: |
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| 315 | model = None |
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[4d457df] | 316 | self.SASModelToQModel(model, structure_factor=structure) |
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[60af928] | 317 | |
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[5236449] | 318 | def readCategoryInfo(self): |
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[60af928] | 319 | """ |
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| 320 | Reads the categories in from file |
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| 321 | """ |
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| 322 | self.master_category_dict = defaultdict(list) |
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| 323 | self.by_model_dict = defaultdict(list) |
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| 324 | self.model_enabled_dict = defaultdict(bool) |
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| 325 | |
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[cbcdd2c] | 326 | categorization_file = CategoryInstaller.get_user_file() |
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| 327 | if not os.path.isfile(categorization_file): |
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| 328 | categorization_file = CategoryInstaller.get_default_file() |
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| 329 | with open(categorization_file, 'rb') as cat_file: |
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[60af928] | 330 | self.master_category_dict = json.load(cat_file) |
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[5236449] | 331 | self.regenerateModelDict() |
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[60af928] | 332 | |
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[5236449] | 333 | # Load the model dict |
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| 334 | models = load_standard_models() |
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| 335 | for model in models: |
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| 336 | self.models[model.name] = model |
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| 337 | |
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| 338 | def regenerateModelDict(self): |
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[60af928] | 339 | """ |
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[cbcdd2c] | 340 | Regenerates self.by_model_dict which has each model name as the |
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[60af928] | 341 | key and the list of categories belonging to that model |
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| 342 | along with the enabled mapping |
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| 343 | """ |
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| 344 | self.by_model_dict = defaultdict(list) |
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| 345 | for category in self.master_category_dict: |
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| 346 | for (model, enabled) in self.master_category_dict[category]: |
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| 347 | self.by_model_dict[model].append(category) |
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| 348 | self.model_enabled_dict[model] = enabled |
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| 349 | |
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[86f88d1] | 350 | def addBackgroundToModel(self, model): |
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| 351 | """ |
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| 352 | Adds background parameter with default values to the model |
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| 353 | """ |
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[cbcdd2c] | 354 | assert isinstance(model, QtGui.QStandardItemModel) |
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[86f88d1] | 355 | checked_list = ['background', '0.001', '-inf', 'inf', '1/cm'] |
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[4d457df] | 356 | FittingUtilities.addCheckedListToModel(model, checked_list) |
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[86f88d1] | 357 | |
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| 358 | def addScaleToModel(self, model): |
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| 359 | """ |
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| 360 | Adds scale parameter with default values to the model |
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| 361 | """ |
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[cbcdd2c] | 362 | assert isinstance(model, QtGui.QStandardItemModel) |
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[86f88d1] | 363 | checked_list = ['scale', '1.0', '0.0', 'inf', ''] |
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[4d457df] | 364 | FittingUtilities.addCheckedListToModel(model, checked_list) |
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[86f88d1] | 365 | |
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[4d457df] | 366 | def SASModelToQModel(self, model_name, structure_factor=None): |
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[60af928] | 367 | """ |
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[cbcdd2c] | 368 | Setting model parameters into table based on selected category |
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[60af928] | 369 | """ |
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[351b53e] | 370 | # TODO - modify for structure factor-only choice |
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| 371 | |
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[60af928] | 372 | # Crete/overwrite model items |
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| 373 | self._model_model.clear() |
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[5236449] | 374 | |
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[60af928] | 375 | kernel_module = generate.load_kernel_module(model_name) |
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| 376 | self.model_parameters = modelinfo.make_parameter_table(getattr(kernel_module, 'parameters', [])) |
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| 377 | |
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[cbcdd2c] | 378 | # Instantiate the current sasmodel |
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[5236449] | 379 | self.kernel_module = self.models[model_name]() |
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| 380 | |
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| 381 | # Explicitly add scale and background with default values |
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[86f88d1] | 382 | self.addScaleToModel(self._model_model) |
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| 383 | self.addBackgroundToModel(self._model_model) |
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[60af928] | 384 | |
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[5236449] | 385 | # Update the QModel |
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[4d457df] | 386 | FittingUtilities.addParametersToModel(self.model_parameters, self._model_model) |
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| 387 | # Update the counter used for multishell display |
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| 388 | self._last_model_row = self._model_model.rowCount() |
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| 389 | |
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| 390 | FittingUtilities.addHeadersToModel(self._model_model) |
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[cd31251] | 391 | |
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| 392 | # Add structure factor |
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| 393 | if structure_factor is not None and structure_factor != "None": |
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| 394 | structure_module = generate.load_kernel_module(structure_factor) |
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| 395 | structure_parameters = modelinfo.make_parameter_table(getattr(structure_module, 'parameters', [])) |
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[4d457df] | 396 | FittingUtilities.addSimpleParametersToModel(structure_parameters, self._model_model) |
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| 397 | # Update the counter used for multishell display |
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| 398 | self._last_model_row = self._model_model.rowCount() |
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[cd31251] | 399 | else: |
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| 400 | self.addStructureFactor() |
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| 401 | |
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[5236449] | 402 | # Multishell models need additional treatment |
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[86f88d1] | 403 | self.addExtraShells() |
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| 404 | |
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[5236449] | 405 | # Add polydispersity to the model |
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[86f88d1] | 406 | self.setPolyModel() |
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[5236449] | 407 | # Add magnetic parameters to the model |
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[86f88d1] | 408 | self.setMagneticModel() |
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[5236449] | 409 | |
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| 410 | # Now we claim the model has been loaded |
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[86f88d1] | 411 | self.model_is_loaded = True |
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| 412 | |
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[5236449] | 413 | # Update Q Ranges |
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| 414 | self.updateQRange() |
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| 415 | |
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[cd31251] | 416 | def onPolyModelChange(self, item): |
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[cbcdd2c] | 417 | """ |
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[cd31251] | 418 | Callback method for updating the main model and sasmodel |
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| 419 | parameters with the GUI values in the polydispersity view |
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[cbcdd2c] | 420 | """ |
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[cd31251] | 421 | model_column = item.column() |
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| 422 | model_row = item.row() |
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| 423 | name_index = self._poly_model.index(model_row, 0) |
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[cbcdd2c] | 424 | # Extract changed value. Assumes proper validation by QValidator/Delegate |
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[29eb947] | 425 | # Checkbox in column 0 |
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| 426 | if model_column == 0: |
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| 427 | value = item.checkState() |
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| 428 | else: |
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| 429 | value = float(item.text()) |
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[cd31251] | 430 | parameter_name = str(self._poly_model.data(name_index).toPyObject()) # "distribution of sld" etc. |
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| 431 | if "Distribution of" in parameter_name: |
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| 432 | parameter_name = parameter_name[16:] |
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| 433 | property_name = str(self._poly_model.headerData(model_column, 1).toPyObject()) # Value, min, max, etc. |
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[351b53e] | 434 | # print "%s(%s) => %d" % (parameter_name, property_name, value) |
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[cd31251] | 435 | |
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| 436 | # Update the sasmodel |
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| 437 | #self.kernel_module.params[parameter_name] = value |
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| 438 | |
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| 439 | # Reload the main model - may not be required if no variable is shown in main view |
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| 440 | #model = str(self.cbModel.currentText()) |
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[4d457df] | 441 | #self.SASModelToQModel(model) |
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[cd31251] | 442 | |
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| 443 | pass # debug anchor |
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| 444 | |
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| 445 | def updateParamsFromModel(self, item): |
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| 446 | """ |
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| 447 | Callback method for updating the sasmodel parameters with the GUI values |
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| 448 | """ |
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[cbcdd2c] | 449 | model_column = item.column() |
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| 450 | model_row = item.row() |
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| 451 | name_index = self._model_model.index(model_row, 0) |
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[cd31251] | 452 | |
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| 453 | if model_column == 0: |
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| 454 | # Assure we're dealing with checkboxes |
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| 455 | if not item.isCheckable(): |
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| 456 | return |
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| 457 | status = item.checkState() |
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| 458 | # If multiple rows selected - toggle all of them |
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| 459 | rows = [s.row() for s in self.lstParams.selectionModel().selectedRows()] |
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| 460 | |
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| 461 | # Switch off signaling from the model to avoid multiple calls |
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| 462 | self._model_model.blockSignals(True) |
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| 463 | # Convert to proper indices and set requested enablement |
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| 464 | items = [self._model_model.item(row, 0).setCheckState(status) for row in rows] |
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| 465 | self._model_model.blockSignals(False) |
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| 466 | return |
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| 467 | |
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| 468 | # Extract changed value. Assumes proper validation by QValidator/Delegate |
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| 469 | value = float(item.text()) |
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[cbcdd2c] | 470 | parameter_name = str(self._model_model.data(name_index).toPyObject()) # sld, background etc. |
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| 471 | property_name = str(self._model_model.headerData(1, model_column).toPyObject()) # Value, min, max, etc. |
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| 472 | |
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[351b53e] | 473 | # print "%s(%s) => %d" % (parameter_name, property_name, value) |
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[cbcdd2c] | 474 | self.kernel_module.params[parameter_name] = value |
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| 475 | |
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| 476 | # min/max to be changed in self.kernel_module.details[parameter_name] = ['Ang', 0.0, inf] |
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| 477 | |
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| 478 | # magnetic params in self.kernel_module.details['M0:parameter_name'] = value |
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| 479 | # multishell params in self.kernel_module.details[??] = value |
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| 480 | |
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[5236449] | 481 | |
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| 482 | def createTheoryIndex(self): |
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| 483 | """ |
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| 484 | Create a QStandardModelIndex containing default model data |
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| 485 | """ |
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[cbcdd2c] | 486 | name = self.kernel_module.name |
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[5236449] | 487 | if self.is2D: |
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| 488 | name += "2d" |
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| 489 | name = "M%i [%s]" % (self.tab_id, name) |
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| 490 | new_item = GuiUtils.createModelItemWithPlot(QtCore.QVariant(self.data), name=name) |
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[cbcdd2c] | 491 | # Notify the GUI manager so it can update the theory model in DataExplorer |
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| 492 | self.communicate.updateTheoryFromPerspectiveSignal.emit(new_item) |
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[5236449] | 493 | |
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| 494 | def onFit(self): |
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| 495 | """ |
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| 496 | Perform fitting on the current data |
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| 497 | """ |
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[cbcdd2c] | 498 | #self.calculate1DForModel() |
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| 499 | pass |
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| 500 | |
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| 501 | def onPlot(self): |
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| 502 | """ |
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| 503 | Plot the current set of data |
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| 504 | """ |
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| 505 | # TODO: reimplement basepage.py/_update_paramv_on_fit |
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[4d457df] | 506 | if self.data is None or not self.data.is_data: |
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| 507 | self.createDefaultDataset() |
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| 508 | self.calculateDataForModel() |
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[cbcdd2c] | 509 | |
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| 510 | def onNpts(self, text): |
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| 511 | """ |
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| 512 | Callback for number of points line edit update |
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| 513 | """ |
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| 514 | # assumes type/value correctness achieved with QValidator |
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| 515 | try: |
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| 516 | self.npts = int(text) |
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| 517 | except: |
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| 518 | pass |
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| 519 | |
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| 520 | def onMinRange(self, text): |
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| 521 | """ |
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| 522 | Callback for minimum range of points line edit update |
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| 523 | """ |
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| 524 | # assumes type/value correctness achieved with QValidator |
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| 525 | try: |
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| 526 | self.q_range_min = float(text) |
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| 527 | except: |
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| 528 | pass |
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[cd31251] | 529 | # set Q range labels on the main tab |
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| 530 | self.lblMinRangeDef.setText(str(self.q_range_min)) |
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[cbcdd2c] | 531 | |
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| 532 | def onMaxRange(self, text): |
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| 533 | """ |
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| 534 | Callback for maximum range of points line edit update |
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| 535 | """ |
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| 536 | # assumes type/value correctness achieved with QValidator |
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| 537 | try: |
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| 538 | self.q_range_max = float(text) |
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| 539 | except: |
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| 540 | pass |
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[cd31251] | 541 | # set Q range labels on the main tab |
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| 542 | self.lblMaxRangeDef.setText(str(self.q_range_max)) |
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[5236449] | 543 | |
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[4d457df] | 544 | def methodCalculateForData(self): |
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| 545 | '''return the method for data calculation''' |
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| 546 | return Calc1D if isinstance(self.data, Data1D) else Calc2D |
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| 547 | |
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| 548 | def methodCompleteForData(self): |
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| 549 | '''return the method for result parsin on calc complete ''' |
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| 550 | return self.complete1D if isinstance(self.data, Data1D) else self.complete2D |
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| 551 | |
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| 552 | def calculateDataForModel(self): |
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[86f88d1] | 553 | """ |
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| 554 | Prepare the fitting data object, based on current ModelModel |
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| 555 | """ |
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[4d457df] | 556 | # Awful API to a backend method. |
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| 557 | method = self.methodCalculateForData()(data=self.data, |
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[cbcdd2c] | 558 | model=self.kernel_module, |
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| 559 | page_id=0, |
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| 560 | qmin=self.q_range_min, |
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| 561 | qmax=self.q_range_max, |
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| 562 | smearer=None, |
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| 563 | state=None, |
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| 564 | weight=None, |
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| 565 | fid=None, |
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| 566 | toggle_mode_on=False, |
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[4d457df] | 567 | completefn=None, |
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[cbcdd2c] | 568 | update_chisqr=True, |
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[5236449] | 569 | exception_handler=self.calcException, |
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[cbcdd2c] | 570 | source=None) |
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[4d457df] | 571 | |
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| 572 | calc_thread = threads.deferToThread(method.compute) |
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| 573 | calc_thread.addCallback(self.methodCompleteForData()) |
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[5236449] | 574 | |
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[cbcdd2c] | 575 | def complete1D(self, return_data): |
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[5236449] | 576 | """ |
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[4d457df] | 577 | Plot the current 1D data |
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| 578 | """ |
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| 579 | self.logic.new1DPlot(return_data) |
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[cbcdd2c] | 580 | self.createTheoryIndex() |
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| 581 | |
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| 582 | #output=self._cal_chisqr(data=data, |
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| 583 | # fid=fid, |
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| 584 | # weight=weight, |
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| 585 | # page_id=page_id, |
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| 586 | # index=index) |
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| 587 | |
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| 588 | def complete2D(self, return_data): |
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| 589 | """ |
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[4d457df] | 590 | Plot the current 2D data |
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| 591 | """ |
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| 592 | self.logic.new2DPlot(return_data) |
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[cbcdd2c] | 593 | self.createTheoryIndex() |
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| 594 | |
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| 595 | #output=self._cal_chisqr(data=data, |
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| 596 | # weight=weight, |
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| 597 | # fid=fid, |
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| 598 | # page_id=page_id, |
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| 599 | # index=index) |
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| 600 | # self._plot_residuals(page_id=page_id, data=data, fid=fid, |
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| 601 | # index=index, weight=weight) |
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[5236449] | 602 | |
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| 603 | def calcException(self, etype, value, tb): |
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| 604 | """ |
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[cbcdd2c] | 605 | Something horrible happened in the deferred. Cry me a river. |
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[5236449] | 606 | """ |
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| 607 | logging.error("".join(traceback.format_exception(etype, value, tb))) |
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| 608 | msg = traceback.format_exception(etype, value, tb, limit=1) |
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[60af928] | 609 | |
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| 610 | def setTableProperties(self, table): |
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| 611 | """ |
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| 612 | Setting table properties |
---|
| 613 | """ |
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| 614 | # Table properties |
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| 615 | table.verticalHeader().setVisible(False) |
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| 616 | table.setAlternatingRowColors(True) |
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| 617 | table.setSizePolicy(QtGui.QSizePolicy.MinimumExpanding, QtGui.QSizePolicy.Expanding) |
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| 618 | table.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) |
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[f46f6dc] | 619 | table.resizeColumnsToContents() |
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| 620 | |
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[60af928] | 621 | # Header |
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| 622 | header = table.horizontalHeader() |
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[f46f6dc] | 623 | header.setResizeMode(QtGui.QHeaderView.ResizeToContents) |
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| 624 | |
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| 625 | header.ResizeMode(QtGui.QHeaderView.Interactive) |
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| 626 | header.setResizeMode(0, QtGui.QHeaderView.ResizeToContents) |
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| 627 | header.setResizeMode(6, QtGui.QHeaderView.ResizeToContents) |
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[60af928] | 628 | |
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| 629 | def setPolyModel(self): |
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| 630 | """ |
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| 631 | Set polydispersity values |
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| 632 | """ |
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[86f88d1] | 633 | if not self.model_parameters: |
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| 634 | return |
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| 635 | self._poly_model.clear() |
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| 636 | for row, param in enumerate(self.model_parameters.form_volume_parameters): |
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| 637 | # Counters should not be included |
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| 638 | if not param.polydisperse: |
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| 639 | continue |
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| 640 | |
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| 641 | # Potential multishell params |
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| 642 | checked_list = ["Distribution of "+param.name, str(param.default), |
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[cbcdd2c] | 643 | str(param.limits[0]), str(param.limits[1]), |
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[86f88d1] | 644 | "35", "3", ""] |
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[4d457df] | 645 | FittingUtilities.addCheckedListToModel(self._poly_model, checked_list) |
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[86f88d1] | 646 | |
---|
| 647 | #TODO: Need to find cleaner way to input functions |
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| 648 | func = QtGui.QComboBox() |
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[cbcdd2c] | 649 | func.addItems(['rectangle', 'array', 'lognormal', 'gaussian', 'schulz',]) |
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| 650 | func_index = self.lstPoly.model().index(row, 6) |
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| 651 | self.lstPoly.setIndexWidget(func_index, func) |
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[86f88d1] | 652 | |
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[4d457df] | 653 | FittingUtilities.addPolyHeadersToModel(self._poly_model) |
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[60af928] | 654 | |
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| 655 | def setMagneticModel(self): |
---|
| 656 | """ |
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| 657 | Set magnetism values on model |
---|
| 658 | """ |
---|
[86f88d1] | 659 | if not self.model_parameters: |
---|
| 660 | return |
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| 661 | self._magnet_model.clear() |
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| 662 | for param in self.model_parameters.call_parameters: |
---|
| 663 | if param.type != "magnetic": |
---|
| 664 | continue |
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| 665 | checked_list = [param.name, |
---|
| 666 | str(param.default), |
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| 667 | str(param.limits[0]), |
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| 668 | str(param.limits[1]), |
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| 669 | param.units] |
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[4d457df] | 670 | FittingUtilities.addCheckedListToModel(self._magnet_model, checked_list) |
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[86f88d1] | 671 | |
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[4d457df] | 672 | FittingUtilities.addHeadersToModel(self._magnet_model) |
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[60af928] | 673 | |
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[cd31251] | 674 | def addStructureFactor(self): |
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| 675 | """ |
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| 676 | Add structure factors to the list of parameters |
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| 677 | """ |
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| 678 | if self.kernel_module.is_form_factor: |
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| 679 | self.enableStructureCombo() |
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| 680 | else: |
---|
| 681 | self.disableStructureCombo() |
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| 682 | |
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[60af928] | 683 | def addExtraShells(self): |
---|
| 684 | """ |
---|
[f46f6dc] | 685 | Add a combobox for multiple shell display |
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[60af928] | 686 | """ |
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[4d457df] | 687 | param_name, param_length = FittingUtilities.getMultiplicity(self.model_parameters) |
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[f46f6dc] | 688 | |
---|
| 689 | if param_length == 0: |
---|
| 690 | return |
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| 691 | |
---|
[6f7f652] | 692 | # cell 1: variable name |
---|
[f46f6dc] | 693 | item1 = QtGui.QStandardItem(param_name) |
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| 694 | |
---|
[60af928] | 695 | func = QtGui.QComboBox() |
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[f46f6dc] | 696 | func.addItems([str(i+1) for i in xrange(param_length)]) |
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[86f88d1] | 697 | func.currentIndexChanged.connect(self.modifyShellsInList) |
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[60af928] | 698 | |
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[6f7f652] | 699 | # cell 2: combobox |
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[f46f6dc] | 700 | item2 = QtGui.QStandardItem() |
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| 701 | self._model_model.appendRow([item1, item2]) |
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[60af928] | 702 | |
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[6f7f652] | 703 | # Beautify the row: span columns 2-4 |
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[60af928] | 704 | shell_row = self._model_model.rowCount() |
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[f46f6dc] | 705 | shell_index = self._model_model.index(shell_row-1, 1) |
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[86f88d1] | 706 | |
---|
[4d457df] | 707 | self.lstParams.setIndexWidget(shell_index, func) |
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[86f88d1] | 708 | self._last_model_row = self._model_model.rowCount() |
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| 709 | |
---|
| 710 | def modifyShellsInList(self, index): |
---|
| 711 | """ |
---|
| 712 | Add/remove additional multishell parameters |
---|
| 713 | """ |
---|
| 714 | # Find row location of the combobox |
---|
| 715 | last_row = self._last_model_row |
---|
| 716 | remove_rows = self._model_model.rowCount() - last_row |
---|
| 717 | |
---|
| 718 | if remove_rows > 1: |
---|
| 719 | self._model_model.removeRows(last_row, remove_rows) |
---|
| 720 | |
---|
[4d457df] | 721 | FittingUtilities.addShellsToModel(self.model_parameters, self._model_model, index) |
---|
[60af928] | 722 | |
---|
| 723 | def togglePoly(self, isChecked): |
---|
| 724 | """ |
---|
[6f7f652] | 725 | Enable/disable the polydispersity tab |
---|
[60af928] | 726 | """ |
---|
| 727 | self.tabFitting.setTabEnabled(TAB_POLY, isChecked) |
---|
| 728 | |
---|
| 729 | def toggleMagnetism(self, isChecked): |
---|
| 730 | """ |
---|
[6f7f652] | 731 | Enable/disable the magnetism tab |
---|
[60af928] | 732 | """ |
---|
| 733 | self.tabFitting.setTabEnabled(TAB_MAGNETISM, isChecked) |
---|
| 734 | |
---|
| 735 | def toggle2D(self, isChecked): |
---|
| 736 | """ |
---|
[6f7f652] | 737 | Enable/disable the controls dependent on 1D/2D data instance |
---|
[60af928] | 738 | """ |
---|
| 739 | self.chkMagnetism.setEnabled(isChecked) |
---|
| 740 | self.is2D = isChecked |
---|
| 741 | |
---|