[fa81e94] | 1 | import sys |
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| 2 | import logging |
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| 3 | import pylab |
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| 4 | import numpy as np |
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| 5 | |
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| 6 | from PyQt5 import QtGui, QtCore, QtWidgets |
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| 7 | |
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| 8 | # sas-global |
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| 9 | import sas.qtgui.Utilities.GuiUtils as GuiUtils |
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| 10 | |
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| 11 | # pr inversion GUI elements |
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| 12 | from .InversionUtils import WIDGETS |
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| 13 | from .UI.TabbedInversionUI import Ui_PrInversion |
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| 14 | from .InversionLogic import InversionLogic |
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| 15 | |
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| 16 | # pr inversion calculation elements |
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| 17 | from sas.sascalc.dataloader.data_info import Data1D |
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| 18 | from sas.sascalc.pr.invertor import Invertor |
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| 19 | |
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| 20 | def is_float(value): |
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| 21 | """Converts text input values to floats. Empty strings throw ValueError""" |
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| 22 | try: |
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| 23 | return float(value) |
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| 24 | except ValueError: |
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| 25 | return 0.0 |
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| 26 | |
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| 27 | |
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| 28 | # TODO: Remove data |
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| 29 | # TODO: Modify plot references, don't just send new |
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| 30 | # TODO: Update help with batch capabilities |
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| 31 | # TODO: Easy way to scroll through results - no tabs in window(?) - 'spreadsheet' |
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| 32 | # TODO: Method to export results in some meaningful way |
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[d4881f6a] | 33 | #class InversionWindow(QtWidgets.QTabWidget, Ui_PrInversion): |
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| 34 | class InversionWindow(QtWidgets.QDialog, Ui_PrInversion): |
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[fa81e94] | 35 | """ |
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| 36 | The main window for the P(r) Inversion perspective. |
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| 37 | """ |
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| 38 | |
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| 39 | name = "Inversion" |
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[f1ec901] | 40 | estimateSignal = QtCore.pyqtSignal(tuple) |
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| 41 | estimateNTSignal = QtCore.pyqtSignal(tuple) |
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| 42 | calculateSignal = QtCore.pyqtSignal(tuple) |
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[fa81e94] | 43 | |
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| 44 | def __init__(self, parent=None, data=None): |
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| 45 | super(InversionWindow, self).__init__() |
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| 46 | self.setupUi(self) |
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| 47 | |
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| 48 | self.setWindowTitle("P(r) Inversion Perspective") |
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| 49 | |
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| 50 | self._manager = parent |
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| 51 | self._model_item = QtGui.QStandardItem() |
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| 52 | #self._helpView = QtWebKit.QWebView() |
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| 53 | |
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| 54 | self.communicate = GuiUtils.Communicate() |
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| 55 | |
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| 56 | self.logic = InversionLogic() |
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| 57 | |
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| 58 | # The window should not close |
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| 59 | self._allow_close = False |
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| 60 | |
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| 61 | # current QStandardItem showing on the panel |
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| 62 | self._data = None |
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| 63 | # current Data1D as referenced by self._data |
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| 64 | self._data_set = None |
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| 65 | |
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| 66 | # p(r) calculator |
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| 67 | self._calculator = Invertor() |
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| 68 | self._last_calculator = None |
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| 69 | self.calc_thread = None |
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| 70 | self.estimation_thread = None |
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| 71 | |
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| 72 | # Current data object in view |
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| 73 | self._data_index = 0 |
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| 74 | # list mapping data to p(r) calculation |
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| 75 | self._data_list = {} |
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| 76 | if not isinstance(data, list): |
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| 77 | data_list = [data] |
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| 78 | if data is not None: |
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| 79 | for datum in data_list: |
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| 80 | self._data_list[datum] = self._calculator.clone() |
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| 81 | |
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[f1ec901] | 82 | # dict of models for quick update after calculation |
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| 83 | # {item:model} |
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| 84 | self._models = {} |
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| 85 | |
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[fa81e94] | 86 | # plots for current data |
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| 87 | self.pr_plot = None |
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| 88 | self.data_plot = None |
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| 89 | # plot references for all data in perspective |
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| 90 | self.pr_plot_list = {} |
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| 91 | self.data_plot_list = {} |
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| 92 | |
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| 93 | self.model = QtGui.QStandardItemModel(self) |
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| 94 | self.mapper = QtWidgets.QDataWidgetMapper(self) |
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| 95 | # Link user interactions with methods |
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| 96 | self.setupLinks() |
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| 97 | # Set values |
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| 98 | self.setupModel() |
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| 99 | # Set up the Widget Map |
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| 100 | self.setupMapper() |
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| 101 | # Set base window state |
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| 102 | self.setupWindow() |
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| 103 | |
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| 104 | ###################################################################### |
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| 105 | # Base Perspective Class Definitions |
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| 106 | |
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| 107 | def communicator(self): |
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| 108 | return self.communicate |
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| 109 | |
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| 110 | def allowBatch(self): |
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| 111 | return True |
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| 112 | |
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| 113 | def setClosable(self, value=True): |
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| 114 | """ |
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| 115 | Allow outsiders close this widget |
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| 116 | """ |
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| 117 | assert isinstance(value, bool) |
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| 118 | self._allow_close = value |
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| 119 | |
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| 120 | def closeEvent(self, event): |
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| 121 | """ |
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| 122 | Overwrite QDialog close method to allow for custom widget close |
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| 123 | """ |
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| 124 | if self._allow_close: |
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| 125 | # reset the closability flag |
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| 126 | self.setClosable(value=False) |
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[d4881f6a] | 127 | # Tell the MdiArea to close the container |
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| 128 | self.parentWidget().close() |
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[fa81e94] | 129 | event.accept() |
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| 130 | else: |
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| 131 | event.ignore() |
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| 132 | # Maybe we should just minimize |
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| 133 | self.setWindowState(QtCore.Qt.WindowMinimized) |
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| 134 | |
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| 135 | ###################################################################### |
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| 136 | # Initialization routines |
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| 137 | |
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| 138 | def setupLinks(self): |
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| 139 | """Connect the use controls to their appropriate methods""" |
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| 140 | self.dataList.currentIndexChanged.connect(self.displayChange) |
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[f1ec901] | 141 | self.calculateAllButton.clicked.connect(self.startThreadAll) |
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| 142 | self.calculateThisButton.clicked.connect(self.startThread) |
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[fa81e94] | 143 | self.removeButton.clicked.connect(self.removeData) |
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| 144 | self.helpButton.clicked.connect(self.help) |
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| 145 | self.estimateBgd.toggled.connect(self.toggleBgd) |
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| 146 | self.manualBgd.toggled.connect(self.toggleBgd) |
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| 147 | self.regConstantSuggestionButton.clicked.connect(self.acceptAlpha) |
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| 148 | self.noOfTermsSuggestionButton.clicked.connect(self.acceptNoTerms) |
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| 149 | self.explorerButton.clicked.connect(self.openExplorerWindow) |
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[f1ec901] | 150 | |
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| 151 | self.backgroundInput.editingFinished.connect( |
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[fa81e94] | 152 | lambda: self._calculator.set_est_bck(int(is_float( |
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[f1ec901] | 153 | self.backgroundInput.text())))) |
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| 154 | self.minQInput.editingFinished.connect( |
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[fa81e94] | 155 | lambda: self._calculator.set_qmin(is_float( |
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[f1ec901] | 156 | self.minQInput.text()))) |
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| 157 | self.regularizationConstantInput.editingFinished.connect( |
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[fa81e94] | 158 | lambda: self._calculator.set_alpha(is_float( |
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[f1ec901] | 159 | self.regularizationConstantInput.text()))) |
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| 160 | self.maxDistanceInput.editingFinished.connect( |
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[fa81e94] | 161 | lambda: self._calculator.set_dmax(is_float( |
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[f1ec901] | 162 | self.maxDistanceInput.text()))) |
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| 163 | self.maxQInput.editingFinished.connect( |
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[fa81e94] | 164 | lambda: self._calculator.set_qmax(is_float( |
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[f1ec901] | 165 | self.maxQInput.text()))) |
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| 166 | self.slitHeightInput.editingFinished.connect( |
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[fa81e94] | 167 | lambda: self._calculator.set_slit_height(is_float( |
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[f1ec901] | 168 | self.slitHeightInput.text()))) |
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| 169 | self.slitWidthInput.editingFinished.connect( |
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[fa81e94] | 170 | lambda: self._calculator.set_slit_width(is_float( |
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[f1ec901] | 171 | self.slitHeightInput.text()))) |
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| 172 | |
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[fa81e94] | 173 | self.model.itemChanged.connect(self.model_changed) |
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[f1ec901] | 174 | self.estimateNTSignal.connect(self._estimateNTUpdate) |
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| 175 | self.estimateSignal.connect(self._estimateUpdate) |
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| 176 | self.calculateSignal.connect(self._calculateUpdate) |
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[fa81e94] | 177 | |
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| 178 | def setupMapper(self): |
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| 179 | # Set up the mapper. |
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| 180 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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| 181 | self.mapper.setModel(self.model) |
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| 182 | |
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| 183 | # Filename |
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| 184 | self.mapper.addMapping(self.dataList, WIDGETS.W_FILENAME) |
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| 185 | # Background |
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| 186 | self.mapper.addMapping(self.backgroundInput, WIDGETS.W_BACKGROUND_INPUT) |
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| 187 | self.mapper.addMapping(self.estimateBgd, WIDGETS.W_ESTIMATE) |
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| 188 | self.mapper.addMapping(self.manualBgd, WIDGETS.W_MANUAL_INPUT) |
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| 189 | |
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| 190 | # Qmin/Qmax |
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| 191 | self.mapper.addMapping(self.minQInput, WIDGETS.W_QMIN) |
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| 192 | self.mapper.addMapping(self.maxQInput, WIDGETS.W_QMAX) |
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| 193 | |
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| 194 | # Slit Parameter items |
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| 195 | self.mapper.addMapping(self.slitWidthInput, WIDGETS.W_SLIT_WIDTH) |
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| 196 | self.mapper.addMapping(self.slitHeightInput, WIDGETS.W_SLIT_HEIGHT) |
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| 197 | |
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| 198 | # Parameter Items |
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| 199 | self.mapper.addMapping(self.regularizationConstantInput, |
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| 200 | WIDGETS.W_REGULARIZATION) |
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| 201 | self.mapper.addMapping(self.regConstantSuggestionButton, |
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| 202 | WIDGETS.W_REGULARIZATION_SUGGEST) |
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| 203 | self.mapper.addMapping(self.explorerButton, WIDGETS.W_EXPLORE) |
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| 204 | self.mapper.addMapping(self.maxDistanceInput, WIDGETS.W_MAX_DIST) |
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| 205 | self.mapper.addMapping(self.noOfTermsInput, WIDGETS.W_NO_TERMS) |
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| 206 | self.mapper.addMapping(self.noOfTermsSuggestionButton, |
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| 207 | WIDGETS.W_NO_TERMS_SUGGEST) |
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| 208 | |
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| 209 | # Output |
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| 210 | self.mapper.addMapping(self.rgValue, WIDGETS.W_RG) |
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| 211 | self.mapper.addMapping(self.iQ0Value, WIDGETS.W_I_ZERO) |
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| 212 | self.mapper.addMapping(self.backgroundValue, WIDGETS.W_BACKGROUND_OUTPUT) |
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| 213 | self.mapper.addMapping(self.computationTimeValue, WIDGETS.W_COMP_TIME) |
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| 214 | self.mapper.addMapping(self.chiDofValue, WIDGETS.W_CHI_SQUARED) |
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| 215 | self.mapper.addMapping(self.oscillationValue, WIDGETS.W_OSCILLATION) |
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| 216 | self.mapper.addMapping(self.posFractionValue, WIDGETS.W_POS_FRACTION) |
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| 217 | self.mapper.addMapping(self.sigmaPosFractionValue, |
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| 218 | WIDGETS.W_SIGMA_POS_FRACTION) |
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| 219 | |
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| 220 | # Main Buttons |
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| 221 | self.mapper.addMapping(self.removeButton, WIDGETS.W_REMOVE) |
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[f1ec901] | 222 | self.mapper.addMapping(self.calculateAllButton, WIDGETS.W_CALCULATE_ALL) |
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| 223 | self.mapper.addMapping(self.calculateThisButton, |
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| 224 | WIDGETS.W_CALCULATE_VISIBLE) |
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[fa81e94] | 225 | self.mapper.addMapping(self.helpButton, WIDGETS.W_HELP) |
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| 226 | |
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| 227 | self.mapper.toFirst() |
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| 228 | |
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| 229 | def setupModel(self): |
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| 230 | """ |
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| 231 | Update boxes with initial values |
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| 232 | """ |
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| 233 | item = QtGui.QStandardItem("") |
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| 234 | self.model.setItem(WIDGETS.W_FILENAME, item) |
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| 235 | item = QtGui.QStandardItem('0.0') |
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| 236 | self.model.setItem(WIDGETS.W_BACKGROUND_INPUT, item) |
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| 237 | item = QtGui.QStandardItem("") |
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| 238 | self.model.setItem(WIDGETS.W_QMIN, item) |
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| 239 | item = QtGui.QStandardItem("") |
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| 240 | self.model.setItem(WIDGETS.W_QMAX, item) |
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| 241 | item = QtGui.QStandardItem("") |
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| 242 | self.model.setItem(WIDGETS.W_SLIT_WIDTH, item) |
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| 243 | item = QtGui.QStandardItem("") |
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| 244 | self.model.setItem(WIDGETS.W_SLIT_HEIGHT, item) |
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| 245 | item = QtGui.QStandardItem("10") |
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| 246 | self.model.setItem(WIDGETS.W_NO_TERMS, item) |
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| 247 | item = QtGui.QStandardItem("0.0001") |
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| 248 | self.model.setItem(WIDGETS.W_REGULARIZATION, item) |
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| 249 | item = QtGui.QStandardItem("140.0") |
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| 250 | self.model.setItem(WIDGETS.W_MAX_DIST, item) |
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| 251 | item = QtGui.QStandardItem("") |
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| 252 | self.model.setItem(WIDGETS.W_RG, item) |
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| 253 | item = QtGui.QStandardItem("") |
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| 254 | self.model.setItem(WIDGETS.W_I_ZERO, item) |
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| 255 | item = QtGui.QStandardItem("") |
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| 256 | self.model.setItem(WIDGETS.W_BACKGROUND_OUTPUT, item) |
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| 257 | item = QtGui.QStandardItem("") |
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| 258 | self.model.setItem(WIDGETS.W_COMP_TIME, item) |
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| 259 | item = QtGui.QStandardItem("") |
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| 260 | self.model.setItem(WIDGETS.W_CHI_SQUARED, item) |
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| 261 | item = QtGui.QStandardItem("") |
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| 262 | self.model.setItem(WIDGETS.W_OSCILLATION, item) |
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| 263 | item = QtGui.QStandardItem("") |
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| 264 | self.model.setItem(WIDGETS.W_POS_FRACTION, item) |
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| 265 | item = QtGui.QStandardItem("") |
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| 266 | self.model.setItem(WIDGETS.W_SIGMA_POS_FRACTION, item) |
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| 267 | |
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| 268 | def setupWindow(self): |
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| 269 | """Initialize base window state on init""" |
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[d4881f6a] | 270 | #self.setTabPosition(0) |
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[fa81e94] | 271 | self.enableButtons() |
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| 272 | self.estimateBgd.setChecked(True) |
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| 273 | |
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| 274 | ###################################################################### |
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| 275 | # Methods for updating GUI |
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| 276 | |
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| 277 | def enableButtons(self): |
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| 278 | """ |
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| 279 | Enable buttons when data is present, else disable them |
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| 280 | """ |
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| 281 | self.removeButton.setEnabled(self.logic.data_is_loaded) |
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| 282 | self.explorerButton.setEnabled(self.logic.data_is_loaded) |
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| 283 | |
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| 284 | def populateDataComboBox(self, filename, data_ref): |
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| 285 | """ |
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| 286 | Append a new file name to the data combobox |
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| 287 | :param filename: data filename |
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| 288 | :param data_ref: QStandardItem reference for data set to be added |
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| 289 | """ |
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[6a3e1fe] | 290 | self.dataList.addItem(filename, data_ref) |
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[fa81e94] | 291 | |
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| 292 | def acceptNoTerms(self): |
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| 293 | """Send estimated no of terms to input""" |
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| 294 | self.model.setItem(WIDGETS.W_NO_TERMS, QtGui.QStandardItem( |
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| 295 | self.noOfTermsSuggestionButton.text())) |
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| 296 | |
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| 297 | def acceptAlpha(self): |
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| 298 | """Send estimated alpha to input""" |
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| 299 | self.model.setItem(WIDGETS.W_REGULARIZATION, QtGui.QStandardItem( |
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| 300 | self.regConstantSuggestionButton.text())) |
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| 301 | |
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| 302 | def displayChange(self): |
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[f1ec901] | 303 | ref_item = self.dataList.itemData(self.dataList.currentIndex()) |
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| 304 | self._model_item = ref_item |
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| 305 | self.setCurrentData(ref_item) |
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| 306 | self.setCurrentModel(ref_item) |
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[fa81e94] | 307 | |
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| 308 | def removeData(self): |
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| 309 | """Remove the existing data reference from the P(r) Persepective""" |
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| 310 | self._data_list.pop(self._data) |
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| 311 | self.pr_plot_list.pop(self._data) |
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| 312 | self.data_plot_list.pop(self._data) |
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| 313 | self.dataList.removeItem(self.dataList.currentIndex()) |
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| 314 | self.dataList.setCurrentIndex(0) |
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| 315 | |
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| 316 | ###################################################################### |
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| 317 | # GUI Interaction Events |
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| 318 | |
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[f1ec901] | 319 | def setCurrentModel(self, ref_item): |
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| 320 | '''update the current model with stored values''' |
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| 321 | if ref_item in self._models: |
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| 322 | self.model = self._models[ref_item] |
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| 323 | |
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[fa81e94] | 324 | def update_calculator(self): |
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| 325 | """Update all p(r) params""" |
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| 326 | self._calculator.set_x(self._data_set.x) |
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| 327 | self._calculator.set_y(self._data_set.y) |
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| 328 | self._calculator.set_err(self._data_set.dy) |
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| 329 | |
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| 330 | def model_changed(self): |
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| 331 | """Update the values when user makes changes""" |
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| 332 | if not self.mapper: |
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| 333 | msg = "Unable to update P{r}. The connection between the main GUI " |
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| 334 | msg += "and P(r) was severed. Attempting to restart P(r)." |
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| 335 | logging.warning(msg) |
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| 336 | self.setClosable(True) |
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| 337 | self.close() |
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| 338 | InversionWindow.__init__(self.parent(), list(self._data_list.keys())) |
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| 339 | exit(0) |
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| 340 | # TODO: Only send plot first time - otherwise, update in complete |
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| 341 | if self.pr_plot is not None: |
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| 342 | title = self.pr_plot.name |
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[6a3e1fe] | 343 | GuiUtils.updateModelItemWithPlot(self._data, self.pr_plot, title) |
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[fa81e94] | 344 | if self.data_plot is not None: |
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| 345 | title = self.data_plot.name |
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[6a3e1fe] | 346 | GuiUtils.updateModelItemWithPlot(self._data, self.data_plot, title) |
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[fa81e94] | 347 | self.mapper.toFirst() |
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| 348 | |
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| 349 | def help(self): |
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| 350 | """ |
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| 351 | Open the P(r) Inversion help browser |
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| 352 | """ |
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| 353 | tree_location = (GuiUtils.HELP_DIRECTORY_LOCATION + |
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| 354 | "user/sasgui/perspectives/pr/pr_help.html") |
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| 355 | |
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| 356 | # Actual file anchor will depend on the combo box index |
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| 357 | # Note that we can be clusmy here, since bad current_fitter_id |
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| 358 | # will just make the page displayed from the top |
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| 359 | #self._helpView.load(QtCore.QUrl(tree_location)) |
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| 360 | #self._helpView.show() |
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| 361 | |
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| 362 | def toggleBgd(self): |
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| 363 | """ |
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| 364 | Toggle the background between manual and estimated |
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| 365 | """ |
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| 366 | sender = self.sender() |
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| 367 | if sender is self.estimateBgd: |
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| 368 | self.backgroundInput.setEnabled(False) |
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| 369 | else: |
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| 370 | self.backgroundInput.setEnabled(True) |
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| 371 | |
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| 372 | def openExplorerWindow(self): |
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| 373 | """ |
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| 374 | Open the Explorer window to see correlations between params and results |
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| 375 | """ |
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| 376 | # TODO: Link Invertor() and DmaxWindow so window updates when recalculated |
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| 377 | from .DMaxExplorerWidget import DmaxWindow |
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| 378 | self.dmaxWindow = DmaxWindow(self._calculator, self.getNFunc(), self) |
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| 379 | self.dmaxWindow.show() |
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| 380 | |
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| 381 | ###################################################################### |
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| 382 | # Response Actions |
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| 383 | |
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| 384 | def setData(self, data_item=None, is_batch=False): |
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| 385 | """ |
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| 386 | Assign new data set(s) to the P(r) perspective |
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| 387 | Obtain a QStandardItem object and parse it to get Data1D/2D |
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| 388 | Pass it over to the calculator |
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| 389 | """ |
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| 390 | assert data_item is not None |
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| 391 | |
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| 392 | if not isinstance(data_item, list): |
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| 393 | msg = "Incorrect type passed to the P(r) Perspective" |
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| 394 | raise AttributeError |
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| 395 | |
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| 396 | for data in data_item: |
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| 397 | # Create initial internal mappings |
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[6a3e1fe] | 398 | self._data_list[data] = self._calculator.clone() |
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[fa81e94] | 399 | self._data_set = GuiUtils.dataFromItem(data) |
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| 400 | self.data_plot_list[data] = self.data_plot |
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| 401 | self.pr_plot_list[data] = self.pr_plot |
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[6a3e1fe] | 402 | self.populateDataComboBox(self._data_set.filename, data) |
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[fa81e94] | 403 | self.setCurrentData(data) |
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| 404 | |
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| 405 | # Estimate initial values from data |
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| 406 | self.performEstimate() |
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| 407 | self.logic = InversionLogic(self._data_set) |
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| 408 | |
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| 409 | # Estimate q range |
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| 410 | qmin, qmax = self.logic.computeDataRange() |
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[6a3e1fe] | 411 | self.model.setItem(WIDGETS.W_QMIN, QtGui.QStandardItem("{:.4g}".format(qmin))) |
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| 412 | self.model.setItem(WIDGETS.W_QMAX, QtGui.QStandardItem("{:.4g}".format(qmax))) |
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[f1ec901] | 413 | self._models[data] = self.model |
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| 414 | self.model_item = data |
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[fa81e94] | 415 | |
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| 416 | self.enableButtons() |
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| 417 | |
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| 418 | def getNFunc(self): |
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| 419 | """Get the n_func value from the GUI object""" |
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[6a3e1fe] | 420 | return int(self.noOfTermsInput.text()) |
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[fa81e94] | 421 | |
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| 422 | def setCurrentData(self, data_ref): |
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| 423 | """Get the current data and display as necessary""" |
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| 424 | |
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[6a3e1fe] | 425 | if data_ref is None: |
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| 426 | return |
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| 427 | |
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[fa81e94] | 428 | if not isinstance(data_ref, QtGui.QStandardItem): |
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| 429 | msg = "Incorrect type passed to the P(r) Perspective" |
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| 430 | raise AttributeError |
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| 431 | |
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| 432 | # Data references |
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| 433 | self._data = data_ref |
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| 434 | self._data_set = GuiUtils.dataFromItem(data_ref) |
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| 435 | self._calculator = self._data_list[data_ref] |
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| 436 | self.pr_plot = self.pr_plot_list[data_ref] |
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| 437 | self.data_plot = self.data_plot_list[data_ref] |
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| 438 | |
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| 439 | ###################################################################### |
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| 440 | # Thread Creators |
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| 441 | |
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| 442 | # TODO: Move to individual class(?) |
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| 443 | |
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| 444 | def startThreadAll(self): |
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| 445 | for data_ref, pr in list(self._data_list.items()): |
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| 446 | self._data_set = GuiUtils.dataFromItem(data_ref) |
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| 447 | self._calculator = pr |
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| 448 | self.startThread() |
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| 449 | |
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| 450 | def startThread(self): |
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| 451 | """ |
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| 452 | Start a calculation thread |
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| 453 | """ |
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| 454 | from .Thread import CalcPr |
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| 455 | |
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| 456 | # Set data before running the calculations |
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| 457 | self.update_calculator() |
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| 458 | |
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| 459 | # If a thread is already started, stop it |
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| 460 | if self.calc_thread is not None and self.calc_thread.isrunning(): |
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| 461 | self.calc_thread.stop() |
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| 462 | pr = self._calculator.clone() |
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| 463 | nfunc = self.getNFunc() |
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| 464 | self.calc_thread = CalcPr(pr, nfunc, |
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| 465 | error_func=self._threadError, |
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[f1ec901] | 466 | completefn=self._calculateCompleted, |
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| 467 | updatefn=None) |
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[fa81e94] | 468 | self.calc_thread.queue() |
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| 469 | self.calc_thread.ready(2.5) |
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| 470 | |
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| 471 | def performEstimateNT(self): |
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| 472 | """ |
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[f1ec901] | 473 | Perform parameter estimation |
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[fa81e94] | 474 | """ |
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| 475 | from .Thread import EstimateNT |
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| 476 | |
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| 477 | # If a thread is already started, stop it |
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| 478 | if (self.estimation_thread is not None and |
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| 479 | self.estimation_thread.isrunning()): |
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| 480 | self.estimation_thread.stop() |
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| 481 | pr = self._calculator.clone() |
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| 482 | # Skip the slit settings for the estimation |
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| 483 | # It slows down the application and it doesn't change the estimates |
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| 484 | pr.slit_height = 0.0 |
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| 485 | pr.slit_width = 0.0 |
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| 486 | nfunc = self.getNFunc() |
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[f1ec901] | 487 | |
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[fa81e94] | 488 | self.estimation_thread = EstimateNT(pr, nfunc, |
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| 489 | error_func=self._threadError, |
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| 490 | completefn=self._estimateNTCompleted, |
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| 491 | updatefn=None) |
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| 492 | self.estimation_thread.queue() |
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| 493 | self.estimation_thread.ready(2.5) |
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| 494 | |
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| 495 | def performEstimate(self): |
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| 496 | """ |
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| 497 | Perform parameter estimation |
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| 498 | """ |
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| 499 | from .Thread import EstimatePr |
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| 500 | |
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| 501 | self.startThread() |
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| 502 | |
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| 503 | # If a thread is already started, stop it |
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| 504 | if (self.estimation_thread is not None and |
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| 505 | self.estimation_thread.isrunning()): |
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| 506 | self.estimation_thread.stop() |
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| 507 | pr = self._calculator.clone() |
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| 508 | nfunc = self.getNFunc() |
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| 509 | self.estimation_thread = EstimatePr(pr, nfunc, |
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| 510 | error_func=self._threadError, |
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| 511 | completefn=self._estimateCompleted, |
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| 512 | updatefn=None) |
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| 513 | self.estimation_thread.queue() |
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| 514 | self.estimation_thread.ready(2.5) |
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| 515 | |
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| 516 | ###################################################################### |
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| 517 | # Thread Complete |
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| 518 | |
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| 519 | def _estimateCompleted(self, alpha, message, elapsed): |
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[f1ec901] | 520 | ''' Send a signal to the main thread for model update''' |
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| 521 | self.estimateSignal.emit((alpha, message, elapsed)) |
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| 522 | |
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| 523 | def _estimateUpdate(self, output_tuple): |
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[fa81e94] | 524 | """ |
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| 525 | Parameter estimation completed, |
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| 526 | display the results to the user |
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| 527 | |
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| 528 | :param alpha: estimated best alpha |
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| 529 | :param elapsed: computation time |
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| 530 | """ |
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[f1ec901] | 531 | alpha, message, elapsed = output_tuple |
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[fa81e94] | 532 | # Save useful info |
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[6a3e1fe] | 533 | self.model.setItem(WIDGETS.W_COMP_TIME, QtGui.QStandardItem(str(elapsed))) |
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| 534 | self.regConstantSuggestionButton.setText("{:-3.2g}".format(alpha)) |
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[fa81e94] | 535 | self.regConstantSuggestionButton.setEnabled(True) |
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| 536 | if message: |
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| 537 | logging.info(message) |
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| 538 | self.performEstimateNT() |
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| 539 | |
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| 540 | def _estimateNTCompleted(self, nterms, alpha, message, elapsed): |
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[f1ec901] | 541 | ''' Send a signal to the main thread for model update''' |
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| 542 | self.estimateNTSignal.emit((nterms, alpha, message, elapsed)) |
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| 543 | |
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| 544 | def _estimateNTUpdate(self, output_tuple): |
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[fa81e94] | 545 | """ |
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| 546 | Parameter estimation completed, |
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| 547 | display the results to the user |
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| 548 | |
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| 549 | :param alpha: estimated best alpha |
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| 550 | :param nterms: estimated number of terms |
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| 551 | :param elapsed: computation time |
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| 552 | """ |
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[f1ec901] | 553 | nterms, alpha, message, elapsed = output_tuple |
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[fa81e94] | 554 | # Save useful info |
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[6a3e1fe] | 555 | self.noOfTermsSuggestionButton.setText("{:n}".format(nterms)) |
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[fa81e94] | 556 | self.noOfTermsSuggestionButton.setEnabled(True) |
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[6a3e1fe] | 557 | self.regConstantSuggestionButton.setText("{:.3g}".format(alpha)) |
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[fa81e94] | 558 | self.regConstantSuggestionButton.setEnabled(True) |
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[6a3e1fe] | 559 | self.model.setItem(WIDGETS.W_COMP_TIME, QtGui.QStandardItem(str(elapsed))) |
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[fa81e94] | 560 | if message: |
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| 561 | logging.info(message) |
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| 562 | |
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[f1ec901] | 563 | def _calculateCompleted(self, out, cov, pr, elapsed): |
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| 564 | ''' Send a signal to the main thread for model update''' |
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| 565 | self.calculateSignal.emit((out, cov, pr, elapsed)) |
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| 566 | |
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| 567 | def _calculateUpdate(self, output_tuple): |
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[fa81e94] | 568 | """ |
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| 569 | Method called with the results when the inversion is done |
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| 570 | |
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| 571 | :param out: output coefficient for the base functions |
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| 572 | :param cov: covariance matrix |
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| 573 | :param pr: Invertor instance |
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| 574 | :param elapsed: time spent computing |
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| 575 | """ |
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[f1ec901] | 576 | out, cov, pr, elapsed = output_tuple |
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[fa81e94] | 577 | # Save useful info |
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| 578 | cov = np.ascontiguousarray(cov) |
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| 579 | pr.cov = cov |
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| 580 | pr.out = out |
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| 581 | pr.elapsed = elapsed |
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| 582 | |
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| 583 | # Show result on control panel |
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| 584 | |
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| 585 | # TODO: Connect self._calculator to GUI - two-to-one connection possible? |
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| 586 | self.model.setItem(WIDGETS.W_RG, QtGui.QStandardItem(str(pr.rg(out)))) |
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[6a3e1fe] | 587 | self.model.setItem(WIDGETS.W_I_ZERO, QtGui.QStandardItem(str(pr.iq0(out)))) |
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[fa81e94] | 588 | self.model.setItem(WIDGETS.W_BACKGROUND_INPUT, |
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| 589 | QtGui.QStandardItem("{:.3f}".format(pr.est_bck))) |
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[6a3e1fe] | 590 | self.model.setItem(WIDGETS.W_BACKGROUND_OUTPUT, QtGui.QStandardItem(str(pr.background))) |
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| 591 | self.model.setItem(WIDGETS.W_CHI_SQUARED, QtGui.QStandardItem(str(pr.chi2[0]))) |
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| 592 | self.model.setItem(WIDGETS.W_COMP_TIME, QtGui.QStandardItem(str(elapsed))) |
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| 593 | self.model.setItem(WIDGETS.W_OSCILLATION, QtGui.QStandardItem(str(pr.oscillations(out)))) |
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| 594 | self.model.setItem(WIDGETS.W_POS_FRACTION, QtGui.QStandardItem(str(pr.get_positive(out)))) |
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[fa81e94] | 595 | self.model.setItem(WIDGETS.W_SIGMA_POS_FRACTION, |
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| 596 | QtGui.QStandardItem(str(pr.get_pos_err(out, cov)))) |
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| 597 | |
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| 598 | # Display results tab |
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[6a3e1fe] | 599 | #self.PrTabWidget.setCurrentIndex(1) |
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[fa81e94] | 600 | # Save Pr invertor |
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| 601 | self._calculator = pr |
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| 602 | # Append data to data list |
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| 603 | self._data_list[self._data] = self._calculator.clone() |
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| 604 | |
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[f1ec901] | 605 | # Update model dict |
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| 606 | self._models[self.model_item] = self.model |
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| 607 | |
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[fa81e94] | 608 | # Create new P(r) and fit plots |
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| 609 | if self.pr_plot is None: |
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| 610 | self.pr_plot = self.logic.newPRPlot(out, self._calculator, cov) |
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| 611 | self.pr_plot_list[self._data] = self.pr_plot |
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| 612 | else: |
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| 613 | # FIXME: this should update the existing plot, not create a new one |
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| 614 | self.pr_plot = self.logic.newPRPlot(out, self._calculator, cov) |
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| 615 | self.pr_plot_list[self._data] = self.pr_plot |
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| 616 | if self.data_plot is None: |
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| 617 | self.data_plot = self.logic.new1DPlot(out, self._calculator) |
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| 618 | self.data_plot_list[self._data] = self.data_plot |
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| 619 | else: |
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| 620 | # FIXME: this should update the existing plot, not create a new one |
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| 621 | self.data_plot = self.logic.new1DPlot(out, self._calculator) |
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| 622 | self.data_plot_list[self._data] = self.data_plot |
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| 623 | |
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| 624 | def _threadError(self, error): |
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| 625 | """ |
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| 626 | Call-back method for calculation errors |
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| 627 | """ |
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| 628 | logging.warning(error) |
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