1 | # -*- coding: utf-8 -*- |
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2 | """ |
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3 | Dialog panel to explore the P(r) inversion results for a range |
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4 | of D_max value. User picks a number of points and a range of |
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5 | distances, then can toggle between inversion outputs and see |
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6 | their distribution as a function of D_max. |
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7 | """ |
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8 | |
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9 | # global |
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10 | import sys |
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11 | import os |
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12 | import logging |
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13 | import numpy as np |
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14 | from PyQt4 import QtCore |
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15 | from PyQt4 import QtGui |
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16 | from PyQt4 import QtWebKit |
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17 | |
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18 | from twisted.internet import threads |
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19 | |
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20 | # sas-global |
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21 | from sas.qtgui.Plotting.PlotterData import Data1D |
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22 | from sas.qtgui.Plotting.Plotter import PlotterWidget |
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23 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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24 | |
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25 | # local |
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26 | from UI.dmax import Ui_DmaxExplorer |
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27 | # from InvariantDetails import DetailsDialog |
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28 | # from InvariantUtils import WIDGETS |
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29 | |
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30 | logger = logging.getLogger(__name__) |
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31 | |
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32 | def enum(*sequential, **named): |
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33 | enums = dict(zip(sequential, range(len(sequential))), **named) |
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34 | return type('Enum', (), enums) |
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35 | |
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36 | W = enum( 'NPTS', #0 |
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37 | 'DMIN', #1 |
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38 | 'DMAX', #2 |
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39 | 'VARIABLE', #3 |
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40 | ) |
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41 | |
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42 | class DmaxWindow(QtGui.QDialog, Ui_DmaxExplorer): |
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43 | # The controller which is responsible for managing signal slots connections |
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44 | # for the gui and providing an interface to the data model. |
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45 | name = "Dmax Explorer" # For displaying in the combo box |
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46 | |
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47 | def __init__(self, pr_state, nfunc, parent=None): |
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48 | super(DmaxWindow, self).__init__() |
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49 | self.setupUi(self) |
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50 | |
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51 | self.setWindowTitle("Dâââ Explorer") |
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52 | |
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53 | self.pr_state = pr_state |
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54 | self.nfunc = nfunc |
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55 | self.communicator = GuiUtils.Communicate() |
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56 | |
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57 | self.plot = PlotterWidget(self, self) |
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58 | self.verticalLayout.insertWidget(0, self.plot) |
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59 | |
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60 | # Let's choose the Standard Item Model. |
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61 | self.model = QtGui.QStandardItemModel(self) |
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62 | self.mapper = None |
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63 | |
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64 | # # Connect buttons to slots. |
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65 | # # Needs to be done early so default values propagate properly. |
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66 | self.setupSlots() |
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67 | |
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68 | # Set up the model. |
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69 | self.setupModel() |
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70 | |
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71 | # # Set up the mapper |
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72 | self.setupMapper() |
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73 | |
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74 | def setupSlots(self): |
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75 | self.closeButton.clicked.connect(self.close) |
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76 | |
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77 | self.model.itemChanged.connect(self.modelChanged) |
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78 | |
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79 | def setupModel(self): |
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80 | self.model.setItem(W.NPTS, QtGui.QStandardItem(str(self.nfunc))) |
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81 | self.model.setItem(W.DMIN, |
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82 | QtGui.QStandardItem( |
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83 | str(0.9*self.pr_state.d_max))) |
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84 | self.model.setItem(W.DMAX, |
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85 | QtGui.QStandardItem( |
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86 | str(1.1*self.pr_state.d_max))) |
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87 | self.model.setItem(W.VARIABLE, |
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88 | QtGui.QStandardItem( "ϲ/dof")) |
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89 | |
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90 | def setupMapper(self): |
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91 | self.mapper = QtGui.QDataWidgetMapper(self) |
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92 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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93 | self.mapper.setModel(self.model) |
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94 | |
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95 | self.mapper.addMapping(self.Npts, W.NPTS) |
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96 | self.mapper.addMapping(self.minDist, W.DMIN) |
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97 | self.mapper.addMapping(self.maxDist, W.DMAX) |
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98 | self.mapper.addMapping(self.dependentVariable, W.VARIABLE) |
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99 | |
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100 | self.mapper.toFirst() |
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101 | |
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102 | def modelChanged(self, item): |
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103 | if not self.mapper: |
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104 | return |
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105 | |
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106 | iq0 = [] |
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107 | rg = [] |
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108 | pos = [] |
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109 | pos_err = [] |
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110 | osc = [] |
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111 | bck = [] |
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112 | chi2 = [] |
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113 | |
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114 | xs = np.linspace(float(self.model.item(W.DMIN).text()), |
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115 | float(self.model.item(W.DMAX).text()), |
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116 | float(self.model.item(W.NPTS).text())) |
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117 | |
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118 | original = self.pr_state.d_max |
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119 | for x in xs: |
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120 | self.pr_state.d_max = x |
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121 | try: |
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122 | out, cov = self.pr_state.invert(self.nfunc) |
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123 | |
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124 | iq0.append(self.pr_state.iq0(out)) |
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125 | rg.append(self.pr_state.rg(out)) |
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126 | pos.append(self.pr_state.get_positive(out)) |
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127 | pos_err.append(self.pr_state.get_pos_err(out, cov)) |
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128 | osc.append(self.pr_state.oscillations(out)) |
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129 | bck.append(self.pr_state.background) |
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130 | chi2.append(self.pr_state.chi2) |
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131 | except: |
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132 | # This inversion failed, skip this D_max value |
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133 | msg = "ExploreDialog: inversion failed " |
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134 | msg += "for D_max=%s\n%s" % (str(x), sys.exc_value) |
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135 | print(msg) |
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136 | # logger.error(msg) |
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137 | self.pr_state.d_max = original |
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138 | |
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139 | plotter = unicode(self.model.item(W.VARIABLE).text()) |
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140 | if plotter == u"1-Ï positive fraction": |
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141 | ys = pos_err |
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142 | elif plotter == u"ϲ/dof": |
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143 | ys = chi2 |
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144 | elif plotter == u"I(Q=0)": |
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145 | ys = iq0 |
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146 | elif plotter == u"Rg": |
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147 | ys = rg |
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148 | elif plotter == u"Oscillation parameter": |
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149 | ys = osc |
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150 | elif plotter == u"Background": |
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151 | ys = bck |
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152 | elif plotter == u"Positive Fraction": |
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153 | ys = pos |
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154 | |
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155 | self.plot.plot(data=Data1D(xs, ys), marker="-") |
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156 | |
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157 | |
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158 | if __name__ == "__main__": |
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159 | APP = QtGui.QApplication([]) |
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160 | import qt4reactor |
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161 | qt4reactor.install() |
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162 | # DO NOT move the following import to the top! |
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163 | # (unless you know what you're doing) |
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164 | from twisted.internet import reactor |
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165 | from sas.sascalc.pr.invertor import Invertor |
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166 | from sas.sascalc.dataloader.loader import Loader |
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167 | |
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168 | data = Loader().load("../../../../../test/pr_inversion/test/sphere_80.txt")[0] |
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169 | pr_state = Invertor() |
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170 | pr_state.x = data.x |
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171 | pr_state.y = data.y |
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172 | pr_state.err = data.dy+1e-3 |
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173 | |
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174 | DLG = DmaxWindow(pr_state, 10, reactor) |
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175 | DLG.show() |
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176 | reactor.run() |
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