1 | from PyQt4 import QtGui |
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2 | from PyQt4 import QtCore |
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3 | |
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4 | def replaceShellName(param_name, value): |
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5 | """ |
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6 | Updates parameter name from <param_name>[n_shell] to <param_name>value |
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7 | """ |
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8 | assert '[' in param_name |
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9 | return param_name[:param_name.index('[')]+str(value) |
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10 | |
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11 | def getIterParams(model): |
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12 | """ |
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13 | Returns a list of all multi-shell parameters in 'model' |
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14 | """ |
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15 | return list(filter(lambda par: "[" in par.name, model.iq_parameters)) |
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16 | |
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17 | def getMultiplicity(model): |
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18 | """ |
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19 | Finds out if 'model' has multishell parameters. |
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20 | If so, returns the name of the counter parameter and the number of shells |
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21 | """ |
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22 | iter_params = getIterParams(model) |
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23 | # return the iterator parameter name and length |
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24 | return (iter_params[0].length_control if iter_params else "", |
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25 | iter_params[0].length if iter_params else 0) |
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26 | |
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27 | def addParametersToModel(parameters, model): |
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28 | """ |
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29 | Update local ModelModel with sasmodel parameters |
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30 | """ |
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31 | multishell_parameters = getIterParams(parameters) |
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32 | multishell_param_name, _ = getMultiplicity(parameters) |
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33 | |
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34 | for param in parameters.iq_parameters: |
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35 | # don't include shell parameters |
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36 | if param.name == multishell_param_name: |
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37 | continue |
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38 | # Modify parameter name from <param>[n] to <param>1 |
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39 | item_name = param.name |
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40 | if param in multishell_parameters: |
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41 | continue |
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42 | # item_name = replaceShellName(param.name, 1) |
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43 | |
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44 | item1 = QtGui.QStandardItem(item_name) |
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45 | item1.setCheckable(True) |
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46 | # check for polydisp params |
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47 | if param.polydisperse: |
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48 | poly_item = QtGui.QStandardItem("Polydispersity") |
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49 | item1_1 = QtGui.QStandardItem("Distribution") |
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50 | # Find param in volume_params |
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51 | for p in parameters.form_volume_parameters: |
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52 | if p.name != param.name: |
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53 | continue |
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54 | item1_2 = QtGui.QStandardItem(str(p.default)) |
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55 | item1_3 = QtGui.QStandardItem(str(p.limits[0])) |
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56 | item1_4 = QtGui.QStandardItem(str(p.limits[1])) |
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57 | item1_5 = QtGui.QStandardItem(p.units) |
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58 | poly_item.appendRow([item1_1, item1_2, item1_3, item1_4, item1_5]) |
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59 | break |
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60 | # Add the polydisp item as a child |
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61 | item1.appendRow([poly_item]) |
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62 | # Param values |
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63 | item2 = QtGui.QStandardItem(str(param.default)) |
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64 | # TODO: the error column. |
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65 | # Either add a proxy model or a custom view delegate |
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66 | #item_err = QtGui.QStandardItem() |
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67 | item3 = QtGui.QStandardItem(str(param.limits[0])) |
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68 | item4 = QtGui.QStandardItem(str(param.limits[1])) |
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69 | item5 = QtGui.QStandardItem(param.units) |
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70 | model.appendRow([item1, item2, item3, item4, item5]) |
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71 | |
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72 | def addSimpleParametersToModel(parameters, model): |
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73 | """ |
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74 | Update local ModelModel with sasmodel parameters |
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75 | """ |
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76 | for param in parameters.iq_parameters: |
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77 | # Create the top level, checkable item |
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78 | item_name = param.name |
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79 | item1 = QtGui.QStandardItem(item_name) |
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80 | item1.setCheckable(True) |
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81 | # Param values |
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82 | item2 = QtGui.QStandardItem(str(param.default)) |
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83 | # TODO: the error column. |
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84 | # Either add a proxy model or a custom view delegate |
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85 | #item_err = QtGui.QStandardItem() |
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86 | item3 = QtGui.QStandardItem(str(param.limits[0])) |
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87 | item4 = QtGui.QStandardItem(str(param.limits[1])) |
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88 | item5 = QtGui.QStandardItem(param.units) |
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89 | model.appendRow([item1, item2, item3, item4, item5]) |
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90 | |
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91 | def addCheckedListToModel(model, param_list): |
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92 | """ |
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93 | Add a QItem to model. Makes the QItem checkable |
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94 | """ |
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95 | assert isinstance(model, QtGui.QStandardItemModel) |
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96 | item_list = [QtGui.QStandardItem(item) for item in param_list] |
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97 | item_list[0].setCheckable(True) |
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98 | model.appendRow(item_list) |
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99 | |
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100 | def addHeadersToModel(model): |
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101 | """ |
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102 | Adds predefined headers to the model |
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103 | """ |
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104 | model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) |
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105 | model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("Value")) |
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106 | model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) |
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107 | model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) |
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108 | model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("[Units]")) |
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109 | |
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110 | def addPolyHeadersToModel(model): |
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111 | """ |
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112 | Adds predefined headers to the model |
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113 | """ |
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114 | model.setHeaderData(0, QtCore.Qt.Horizontal, QtCore.QVariant("Parameter")) |
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115 | model.setHeaderData(1, QtCore.Qt.Horizontal, QtCore.QVariant("PD[ratio]")) |
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116 | model.setHeaderData(2, QtCore.Qt.Horizontal, QtCore.QVariant("Min")) |
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117 | model.setHeaderData(3, QtCore.Qt.Horizontal, QtCore.QVariant("Max")) |
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118 | model.setHeaderData(4, QtCore.Qt.Horizontal, QtCore.QVariant("Npts")) |
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119 | model.setHeaderData(5, QtCore.Qt.Horizontal, QtCore.QVariant("Nsigs")) |
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120 | model.setHeaderData(6, QtCore.Qt.Horizontal, QtCore.QVariant("Function")) |
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121 | |
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122 | def addShellsToModel(parameters, model, index): |
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123 | """ |
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124 | Find out multishell parameters and update the model with the requested number of them |
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125 | """ |
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126 | multishell_parameters = getIterParams(parameters) |
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127 | |
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128 | for i in xrange(index): |
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129 | for par in multishell_parameters: |
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130 | # Create the name: <param>[<i>], e.g. "sld1" for parameter "sld[n]" |
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131 | param_name = replaceShellName(par.name, i+1) |
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132 | item1 = QtGui.QStandardItem(param_name) |
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133 | item1.setCheckable(True) |
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134 | # check for polydisp params |
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135 | if par.polydisperse: |
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136 | poly_item = QtGui.QStandardItem("Polydispersity") |
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137 | item1_1 = QtGui.QStandardItem("Distribution") |
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138 | # Find param in volume_params |
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139 | for p in parameters.form_volume_parameters: |
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140 | if p.name != par.name: |
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141 | continue |
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142 | item1_2 = QtGui.QStandardItem(str(p.default)) |
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143 | item1_3 = QtGui.QStandardItem(str(p.limits[0])) |
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144 | item1_4 = QtGui.QStandardItem(str(p.limits[1])) |
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145 | item1_5 = QtGui.QStandardItem(p.units) |
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146 | poly_item.appendRow([item1_1, item1_2, item1_3, item1_4, item1_5]) |
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147 | break |
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148 | item1.appendRow([poly_item]) |
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149 | |
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150 | item2 = QtGui.QStandardItem(str(par.default)) |
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151 | item3 = QtGui.QStandardItem(str(par.limits[0])) |
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152 | item4 = QtGui.QStandardItem(str(par.limits[1])) |
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153 | item5 = QtGui.QStandardItem(par.units) |
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154 | model.appendRow([item1, item2, item3, item4, item5]) |
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155 | |
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