[4c7dd9f] | 1 | import sys |
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[8bdb6f5] | 2 | import json |
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| 3 | import os |
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[0efe791] | 4 | from collections import defaultdict |
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| 5 | |
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[4c7dd9f] | 6 | from PyQt4 import QtGui |
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| 7 | from PyQt4 import QtCore |
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| 8 | |
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[83d6249] | 9 | from UI.FittingUI import Ui_FittingUI |
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[4c7dd9f] | 10 | |
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[8bdb6f5] | 11 | from sasmodels import generate |
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| 12 | from sasmodels import modelinfo |
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| 13 | from sas.sasgui.guiframe.CategoryInstaller import CategoryInstaller |
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| 14 | |
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[83d6249] | 15 | class FittingWindow(QtGui.QDialog, Ui_FittingUI): |
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[0efe791] | 16 | """ |
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| 17 | Main window for selecting form and structure factor models |
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| 18 | """ |
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[83d6249] | 19 | def __init__(self, manager=None, parent=None): |
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[0efe791] | 20 | """ |
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| 21 | |
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| 22 | :param manager: |
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| 23 | :param parent: |
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| 24 | :return: |
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| 25 | """ |
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[83d6249] | 26 | super(FittingWindow, self).__init__() |
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[b9c4c1e1] | 27 | self.setupUi(self) |
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[0efe791] | 28 | |
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[b9c4c1e1] | 29 | self.setWindowTitle("Fitting") |
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[4c7dd9f] | 30 | self._model_model = QtGui.QStandardItemModel() |
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| 31 | self._poly_model = QtGui.QStandardItemModel() |
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[0efe791] | 32 | self.tableView.setModel(self._model_model) |
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[8bdb6f5] | 33 | self._readCategoryInfo() |
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[3f4c12f] | 34 | self.model_parameters = None |
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[8bdb6f5] | 35 | |
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[0efe791] | 36 | structure_factor_list = self.master_category_dict.pop('Structure Factor') |
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| 37 | for (structure_factor, enabled) in structure_factor_list: |
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| 38 | self.cbStructureFactor.addItem(structure_factor) |
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| 39 | self.cbStructureFactor.currentIndexChanged.connect(self.selectStructureFactor) |
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[1228007] | 40 | |
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[0efe791] | 41 | category_list = sorted(self.master_category_dict.keys()) |
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| 42 | self.cbCategory.addItems(category_list) |
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| 43 | self.cbCategory.currentIndexChanged.connect(self.selectCategory) |
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[8595edd] | 44 | |
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[0efe791] | 45 | category = self.cbCategory.currentText() |
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[1228007] | 46 | model_list = self.master_category_dict[str(category)] |
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[8bdb6f5] | 47 | for (model, enabled) in model_list: |
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[0efe791] | 48 | self.cbModel.addItem(model) |
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| 49 | self.cbModel.currentIndexChanged.connect(self.selectModel) |
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[4c7dd9f] | 50 | |
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| 51 | self.pushButton.setEnabled(False) |
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[0efe791] | 52 | self.chkPolydispersity.setEnabled(False) |
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| 53 | self.chkSmearing.setEnabled(False) |
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| 54 | |
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| 55 | self.lblMinRangeDef.setText("---") |
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| 56 | self.lblMaxRangeDef.setText("---") |
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| 57 | self.lblChi2Value.setText("---") |
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[4c7dd9f] | 58 | |
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| 59 | #self.setTableProperties(self.tableView) |
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| 60 | |
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| 61 | self.tableView_2.setModel(self._poly_model) |
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| 62 | self.setPolyModel() |
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| 63 | self.setTableProperties(self.tableView_2) |
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| 64 | |
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[0efe791] | 65 | def selectCategory(self): |
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| 66 | """ |
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| 67 | Select Category from list |
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| 68 | :return: |
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| 69 | """ |
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| 70 | self.cbModel.clear() |
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| 71 | category = self.cbCategory.currentText() |
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[1228007] | 72 | model_list = self.master_category_dict[str(category)] |
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| 73 | for (model, enabled) in model_list: |
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[0efe791] | 74 | self.cbModel.addItem(model) |
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[1228007] | 75 | |
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[0efe791] | 76 | def selectModel(self): |
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| 77 | """ |
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| 78 | Select Model from list |
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| 79 | :return: |
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| 80 | """ |
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| 81 | model = self.cbModel.currentText() |
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[1228007] | 82 | self.setModelModel(model) |
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| 83 | |
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[0efe791] | 84 | def selectStructureFactor(self): |
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| 85 | """ |
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| 86 | Select Structure Factor from list |
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| 87 | :param: |
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| 88 | :return: |
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| 89 | """ |
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| 90 | |
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| 91 | |
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[8bdb6f5] | 92 | def _readCategoryInfo(self): |
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| 93 | """ |
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| 94 | Reads the categories in from file |
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| 95 | """ |
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| 96 | self.master_category_dict = defaultdict(list) |
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| 97 | self.by_model_dict = defaultdict(list) |
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| 98 | self.model_enabled_dict = defaultdict(bool) |
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| 99 | |
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| 100 | try: |
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| 101 | categorization_file = CategoryInstaller.get_user_file() |
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| 102 | if not os.path.isfile(categorization_file): |
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| 103 | categorization_file = CategoryInstaller.get_default_file() |
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| 104 | cat_file = open(categorization_file, 'rb') |
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| 105 | self.master_category_dict = json.load(cat_file) |
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| 106 | self._regenerate_model_dict() |
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| 107 | cat_file.close() |
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| 108 | except IOError: |
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| 109 | raise |
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| 110 | print 'Problem reading in category file.' |
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| 111 | print 'We even looked for it, made sure it was there.' |
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| 112 | print 'An existential crisis if there ever was one.' |
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| 113 | |
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| 114 | def _regenerate_model_dict(self): |
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| 115 | """ |
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| 116 | regenerates self.by_model_dict which has each model name as the |
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| 117 | key and the list of categories belonging to that model |
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| 118 | along with the enabled mapping |
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| 119 | """ |
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| 120 | self.by_model_dict = defaultdict(list) |
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| 121 | for category in self.master_category_dict: |
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| 122 | for (model, enabled) in self.master_category_dict[category]: |
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| 123 | self.by_model_dict[model].append(category) |
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| 124 | self.model_enabled_dict[model] = enabled |
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| 125 | |
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[4c7dd9f] | 126 | |
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[8bdb6f5] | 127 | def setModelModel(self, model_name): |
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[0efe791] | 128 | """ |
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| 129 | Setting model parameters into table based on selected |
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| 130 | :param model_name: |
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| 131 | :return: |
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| 132 | """ |
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[4c7dd9f] | 133 | # Crete/overwrite model items |
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[1228007] | 134 | self._model_model.clear() |
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[8bdb6f5] | 135 | model_name = str(model_name) |
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| 136 | kernel_module = generate.load_kernel_module(model_name) |
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[3f4c12f] | 137 | self.model_parameters = modelinfo.make_parameter_table(getattr(kernel_module, 'parameters', [])) |
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[8bdb6f5] | 138 | |
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| 139 | #TODO: scaale and background are implicit in sasmodels and needs to be added |
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| 140 | item1 = QtGui.QStandardItem('scale') |
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| 141 | item1.setCheckable(True) |
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| 142 | item2 = QtGui.QStandardItem('1.0') |
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| 143 | item3 = QtGui.QStandardItem('0.0') |
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| 144 | item4 = QtGui.QStandardItem('inf') |
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| 145 | item5 = QtGui.QStandardItem('') |
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| 146 | self._model_model.appendRow([item1, item2, item3, item4, item5]) |
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| 147 | |
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| 148 | item1 = QtGui.QStandardItem('background') |
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| 149 | item1.setCheckable(True) |
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| 150 | item2 = QtGui.QStandardItem('0.001') |
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| 151 | item3 = QtGui.QStandardItem('-inf') |
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| 152 | item4 = QtGui.QStandardItem('inf') |
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| 153 | item5 = QtGui.QStandardItem('1/cm') |
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| 154 | self._model_model.appendRow([item1, item2, item3, item4, item5]) |
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| 155 | |
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| 156 | #TODO: iq_parameters are used here. If orientation paramateres or magnetic are needed kernel_paramters should be used instead |
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| 157 | #For orientation and magentic parameters param.type needs to be checked |
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[3f4c12f] | 158 | for param in self.model_parameters.iq_parameters: |
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[8bdb6f5] | 159 | item1 = QtGui.QStandardItem(param.name) |
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[4c7dd9f] | 160 | item1.setCheckable(True) |
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[8bdb6f5] | 161 | item2 = QtGui.QStandardItem(str(param.default)) |
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| 162 | item3 = QtGui.QStandardItem(str(param.limits[0])) |
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| 163 | item4 = QtGui.QStandardItem(str(param.limits[1])) |
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| 164 | item5 = QtGui.QStandardItem(param.units) |
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[4c7dd9f] | 165 | self._model_model.appendRow([item1, item2, item3, item4, item5]) |
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| 166 | |
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| 167 | self._model_model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) |
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| 168 | self._model_model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("Value")) |
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| 169 | self._model_model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) |
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| 170 | self._model_model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) |
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| 171 | self._model_model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("[Units]")) |
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| 172 | |
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[3f4c12f] | 173 | self.setPolyModel() |
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| 174 | |
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[4c7dd9f] | 175 | def setTableProperties(self, table): |
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[0efe791] | 176 | """ |
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| 177 | Setting table properties |
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| 178 | :param table: |
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| 179 | :return: |
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| 180 | """ |
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[4c7dd9f] | 181 | table.setStyleSheet("background-image: url(model.png);") |
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| 182 | |
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| 183 | # Table properties |
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| 184 | table.verticalHeader().setVisible(False) |
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| 185 | table.setAlternatingRowColors(True) |
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| 186 | table.setSizePolicy(QtGui.QSizePolicy.MinimumExpanding, QtGui.QSizePolicy.Expanding) |
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| 187 | table.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) |
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| 188 | # Header |
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| 189 | header = table.horizontalHeader() |
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| 190 | header.setResizeMode(QtGui.QHeaderView.Stretch) |
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| 191 | header.setStretchLastSection(True) |
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| 192 | |
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| 193 | def setPolyModel(self): |
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[0efe791] | 194 | """ |
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| 195 | Set polydispersity values |
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| 196 | :return: |
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| 197 | """ |
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[3f4c12f] | 198 | |
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| 199 | if self.model_parameters: |
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| 200 | for row, param in enumerate(self.model_parameters.form_volume_parameters): |
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| 201 | item1 = QtGui.QStandardItem("Distribution of "+param.name) |
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| 202 | item1.setCheckable(True) |
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| 203 | item2 = QtGui.QStandardItem("0") |
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| 204 | item3 = QtGui.QStandardItem("") |
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| 205 | item4 = QtGui.QStandardItem("") |
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| 206 | item5 = QtGui.QStandardItem("35") |
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| 207 | item6 = QtGui.QStandardItem("3") |
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| 208 | item7 = QtGui.QStandardItem("") |
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| 209 | |
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| 210 | self._poly_model.appendRow([item1, item2, item3, item4, item5, item6, item7]) |
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| 211 | |
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| 212 | #TODO: Need to find cleaner way to input functions |
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| 213 | func = QtGui.QComboBox() |
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| 214 | func.addItems(['rectangle','array','lognormal','gaussian','schulz',]) |
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| 215 | func_index = self.tableView_2.model().index(row,6) |
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| 216 | self.tableView_2.setIndexWidget(func_index,func) |
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[4c7dd9f] | 217 | |
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| 218 | self._poly_model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) |
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| 219 | self._poly_model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("PD[ratio]")) |
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| 220 | self._poly_model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) |
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| 221 | self._poly_model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) |
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| 222 | self._poly_model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("Npts")) |
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| 223 | self._poly_model.setHeaderData(5, QtCore.Qt.Horizontal, QtCore.QVariant("Nsigs")) |
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| 224 | self._poly_model.setHeaderData(6, QtCore.Qt.Horizontal, QtCore.QVariant("Function")) |
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| 225 | |
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| 226 | self.tableView_2.resizeColumnsToContents() |
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| 227 | header = self.tableView_2.horizontalHeader() |
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| 228 | header.ResizeMode(QtGui.QHeaderView.Stretch) |
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| 229 | header.setStretchLastSection(True) |
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| 230 | |
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| 231 | if __name__ == "__main__": |
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| 232 | app = QtGui.QApplication([]) |
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[83d6249] | 233 | dlg = FittingWindow() |
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[4c7dd9f] | 234 | dlg.show() |
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| 235 | sys.exit(app.exec_()) |
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