| 1 | # global |
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| 2 | import sys |
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| 3 | import os |
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| 4 | from PyQt4 import QtCore |
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| 5 | from PyQt4 import QtGui |
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| 6 | from PyQt4 import QtWebKit |
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| 7 | |
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| 8 | from twisted.internet import threads |
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| 9 | from twisted.internet import reactor |
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| 10 | |
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| 11 | # sas-global |
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| 12 | from sas.sascalc.invariant import invariant |
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| 13 | from sas.sasgui.guiframe.dataFitting import Data1D |
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| 14 | #import GuiUtils |
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| 15 | import sas.qtgui.GuiUtils as GuiUtils |
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| 16 | |
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| 17 | # local |
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| 18 | from UI.TabbedInvariantUI import Ui_tabbedInvariantUI |
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| 19 | from InvariantDetails import DetailsDialog |
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| 20 | from InvariantUtils import WIDGETS |
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| 21 | |
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| 22 | # The minimum q-value to be used when extrapolating |
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| 23 | Q_MINIMUM = 1e-5 |
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| 24 | # The maximum q-value to be used when extrapolating |
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| 25 | Q_MAXIMUM = 10 |
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| 26 | # the ratio of maximum q value/(qmax of data) to plot the theory data |
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| 27 | Q_MAXIMUM_PLOT = 3 |
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| 28 | |
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| 29 | |
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| 30 | class MyModel(object): |
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| 31 | def __init__(self): |
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| 32 | self._model = QtGui.QStandardItemModel(self) |
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| 33 | |
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| 34 | def addItem(self, item): |
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| 35 | item = QtGui.QStandardItem(str(item)) |
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| 36 | self._model.appendRow(item) |
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| 37 | |
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| 38 | class InvariantWindow(QtGui.QDialog, Ui_tabbedInvariantUI): |
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| 39 | # The controller which is responsible for managing signal slots connections |
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| 40 | # for the gui and providing an interface to the data model. |
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| 41 | def __init__(self, manager=None, parent=None): |
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| 42 | super(InvariantWindow, self).__init__(parent) |
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| 43 | self.setupUi(self) |
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| 44 | |
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| 45 | self.setWindowTitle("Invariant Perspective") |
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| 46 | |
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| 47 | # initial input params |
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| 48 | self._background = 0.0 |
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| 49 | self._scale = 1.0 |
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| 50 | self._contrast = 1.0 |
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| 51 | self._porod = 1.0 |
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| 52 | self._npoints_low = 10 |
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| 53 | self._npoints_high = 10 |
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| 54 | self._power_low = 4 |
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| 55 | |
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| 56 | self._manager = manager |
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| 57 | self._reactor = self._manager.reactor() |
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| 58 | self._model_item = QtGui.QStandardItem() |
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| 59 | |
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| 60 | self._helpView = QtWebKit.QWebView() |
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| 61 | self.detailsDialog = DetailsDialog(self) |
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| 62 | |
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| 63 | self._low_extrapolate = False |
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| 64 | self._low_guinier = True |
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| 65 | self._low_fit = True |
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| 66 | self._high_extrapolate = False |
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| 67 | self._high_power_value = False |
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| 68 | |
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| 69 | # no reason to have this widget resizable |
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| 70 | self.setFixedSize(self.minimumSizeHint()) |
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| 71 | |
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| 72 | self.communicate = GuiUtils.Communicate() |
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| 73 | |
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| 74 | self._data = None |
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| 75 | self._path = "" |
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| 76 | |
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| 77 | # Mask file selector |
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| 78 | ################################################### |
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| 79 | #self._path = "cyl_400_20.txt" |
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| 80 | #from sas.sascalc.dataloader.loader import Loader |
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| 81 | #loader = Loader() |
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| 82 | #try: |
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| 83 | # self._data = loader.load(self._path) |
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| 84 | #except: |
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| 85 | # raise |
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| 86 | ################################################### |
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| 87 | |
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| 88 | self.lineEdit_8.setText(str(Q_MINIMUM)) |
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| 89 | self.lineEdit_9.setText(str(Q_MAXIMUM)) |
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| 90 | |
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| 91 | # Let's choose the Standard Item Model. |
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| 92 | self.model = QtGui.QStandardItemModel(self) |
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| 93 | |
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| 94 | # Connect buttons to slots. |
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| 95 | # Needs to be done early so default values propagate properly. |
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| 96 | self.setupSlots() |
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| 97 | |
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| 98 | # Set up the model. |
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| 99 | self.setupModel() |
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| 100 | |
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| 101 | # Set up the mapper |
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| 102 | self.setupMapper() |
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| 103 | |
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| 104 | def closeEvent(self, event): |
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| 105 | """ |
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| 106 | Overwrite the default close method of QWidget |
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| 107 | """ |
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| 108 | # No close on perspectives - one must always be active. |
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| 109 | event.ignore() |
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| 110 | |
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| 111 | def communicator(self): |
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| 112 | """ Getter for the communicator """ |
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| 113 | return self.communicate |
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| 114 | |
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| 115 | def updateFromModel(self): |
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| 116 | """ |
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| 117 | update the globals based on the data in the model |
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| 118 | """ |
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| 119 | self._background = float(self.model.item(WIDGETS.W_BACKGROUND).text()) |
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| 120 | self._contrast = float(self.model.item(WIDGETS.W_CONTRAST).text()) |
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| 121 | self._scale = float(self.model.item(WIDGETS.W_SCALE).text()) |
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| 122 | |
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| 123 | # High extrapolate |
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| 124 | self._low_extrapolate = ( str(self.model.item(WIDGETS.W_ENABLE_LOWQ).text()) == 'true') |
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| 125 | self._low_points = float(self.model.item(WIDGETS.W_NPTS_LOWQ).text()) |
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| 126 | self._low_guinier = ( str(self.model.item(WIDGETS.W_LOWQ_GUINIER).text()) == 'true') |
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| 127 | self._low_fit = ( str(self.model.item(WIDGETS.W_LOWQ_FIT).text()) == 'true') |
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| 128 | self._low_power_value = float(self.model.item(WIDGETS.W_LOWQ_POWER_VALUE).text()) |
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| 129 | |
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| 130 | # High extrapolating |
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| 131 | self._high_extrapolate = ( str(self.model.item(WIDGETS.W_ENABLE_HIGHQ).text()) == 'true') |
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| 132 | self._high_points = float(self.model.item(WIDGETS.W_NPTS_HIGHQ).text()) |
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| 133 | self._high_fit = ( str(self.model.item(WIDGETS.W_HIGHQ_FIT).text()) == 'true') |
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| 134 | self._high_power_value = float(self.model.item(WIDGETS.W_HIGHQ_POWER_VALUE).text()) |
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| 135 | |
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| 136 | def calculateInvariant(self): |
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| 137 | """ |
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| 138 | Use twisted to thread the calculations away. |
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| 139 | """ |
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| 140 | # Find out if extrapolation needs to be used. |
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| 141 | extrapolation = None |
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| 142 | if self._low_extrapolate and not self._high_extrapolate: |
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| 143 | extrapolation = "low" |
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| 144 | elif not self._low_extrapolate and self._high_extrapolate: |
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| 145 | extrapolation = "high" |
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| 146 | elif self._low_extrapolate and self._high_extrapolate: |
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| 147 | extrapolation = "both" |
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| 148 | try: |
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| 149 | # modify the Calculate button to indicate background process |
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| 150 | self.pushButton.setText("Calculating...") |
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| 151 | self.pushButton.setEnabled(False) |
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| 152 | self.style = self.pushButton.styleSheet() |
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| 153 | self.pushButton.setStyleSheet("background-color: rgb(255, 255, 0); color: rgb(0, 0, 0)") |
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| 154 | # Send the calculations to separate thread. |
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| 155 | d = threads.deferToThread(self.calculateThread, extrapolation) |
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| 156 | # Add deferred callback for call return |
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| 157 | d.addCallback(self.plotResult) |
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| 158 | except Exception as ex: |
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| 159 | # Set the button back to available |
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| 160 | self.pushButton.setEnabled(True) |
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| 161 | self.pushButton.setText("Calculate") |
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| 162 | self.pushButton.setStyleSheet(self.style) |
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| 163 | |
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| 164 | |
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| 165 | def plotResult(self, model): |
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| 166 | """ |
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| 167 | """ |
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| 168 | self.model = model |
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| 169 | self.mapper.toFirst() |
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| 170 | |
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| 171 | # Set the button back to available |
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| 172 | self.pushButton.setEnabled(True) |
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| 173 | self.pushButton.setText("Calculate") |
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| 174 | self.pushButton.setStyleSheet(self.style) |
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| 175 | |
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| 176 | # Send the modified model item to DE for keeping in the model |
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| 177 | self.communicate.updateModelFromPerspectiveSignal.emit(self._model_item) |
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| 178 | |
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| 179 | |
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| 180 | def calculateThread(self, extrapolation): |
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| 181 | """ |
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| 182 | Perform Invariant calculations. |
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| 183 | |
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| 184 | TODO: Create a dictionary of results to be sent to DE on completion. |
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| 185 | """ |
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| 186 | self.updateFromModel() |
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| 187 | |
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| 188 | qstar_low = 0.0 |
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| 189 | qstar_low_err = 0.0 |
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| 190 | qstar_high = 0.0 |
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| 191 | qstar_high_err = 0.0 |
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| 192 | qstar_total = 0.0 |
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| 193 | qstar_total_low_err = 0.0 |
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| 194 | |
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| 195 | # Prepare the invariant object |
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| 196 | inv = invariant.InvariantCalculator(data=self._data, |
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| 197 | background = self._background, |
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| 198 | scale = self._scale) |
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| 199 | |
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| 200 | if self._low_extrapolate: |
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| 201 | function_low = "power_law" |
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| 202 | if self._low_guinier: |
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| 203 | function_low = "guinier" |
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| 204 | if self._low_fit: |
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| 205 | self._low_power_value = None |
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| 206 | inv.set_extrapolation(range="low", |
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| 207 | npts=self._low_points, |
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| 208 | function=function_low, |
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| 209 | power=self._low_power_value) |
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| 210 | |
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| 211 | if self._high_extrapolate: |
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| 212 | function_low = "power_law" |
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| 213 | inv.set_extrapolation(range="high", |
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| 214 | npts=self._high_points, |
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| 215 | function=function_low, |
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| 216 | power=self._low_power_value) |
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| 217 | |
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| 218 | #Compute invariant |
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| 219 | # TODO: proper exception handling and logic - |
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| 220 | # display info, update lineedits, don't run extrapolations etc. |
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| 221 | calculation_failed = False |
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| 222 | try: |
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| 223 | qstar_total, qstar_total_error = inv.get_qstar_with_error() |
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| 224 | except Exception as ex: |
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| 225 | calculation_failed = True |
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| 226 | # Display relevant information |
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| 227 | item = QtGui.QStandardItem("ERROR") |
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| 228 | self.model.setItem(WIDGETS.W_INVARIANT, item) |
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| 229 | item = QtGui.QStandardItem("ERROR") |
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| 230 | self.model.setItem(WIDGETS.W_INVARIANT_ERR, item) |
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| 231 | try: |
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| 232 | volume_fraction, volume_fraction_error = \ |
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| 233 | inv.get_volume_fraction_with_error(self._contrast) |
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| 234 | except Exception as ex: |
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| 235 | calculation_failed = True |
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| 236 | # Display relevant information |
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| 237 | item = QtGui.QStandardItem("ERROR") |
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| 238 | self.model.setItem(WIDGETS.W_VOLUME_FRACTION, item) |
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| 239 | item = QtGui.QStandardItem("ERROR") |
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| 240 | self.model.setItem(WIDGETS.W_VOLUME_FRACTION_ERR, item) |
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| 241 | try: |
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| 242 | surface, surface_error = \ |
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| 243 | inv.get_surface_with_error(self._contrast, self._porod) |
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| 244 | except Exception as ex: |
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| 245 | calculation_failed = True |
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| 246 | # Display relevant information |
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| 247 | item = QtGui.QStandardItem("ERROR") |
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| 248 | self.model.setItem(WIDGETS.W_SPECIFIC_SURFACE, item) |
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| 249 | item = QtGui.QStandardItem("ERROR") |
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| 250 | self.model.setItem(WIDGETS.W_SPECIFIC_SURFACE_ERR, item) |
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| 251 | |
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| 252 | if(calculation_failed): |
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| 253 | # TODO: NOTIFY THE GUI MANAGER!! |
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| 254 | self.mapper.toFirst() |
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| 255 | return self.model |
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| 256 | |
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| 257 | if self._low_extrapolate: |
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| 258 | # for presentation in InvariantDetails |
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| 259 | qstar_low, qstar_low_err = inv.get_qstar_low() |
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| 260 | extrapolated_data = inv.get_extra_data_low(self._low_points) |
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| 261 | power_low = inv.get_extrapolation_power(range='low') |
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| 262 | |
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| 263 | #inv.data = extrapolated_data |
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| 264 | #qstar_total, qstar_total_error = inv.get_qstar_with_error() |
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| 265 | |
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| 266 | # Plot the chart |
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| 267 | title = "Low-Q extrapolation" |
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| 268 | |
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| 269 | # Convert the data into plottable |
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| 270 | extrapolated_data = self._manager.createGuiData(extrapolated_data) |
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| 271 | extrapolated_data.name = title |
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| 272 | extrapolated_data.title = title |
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| 273 | |
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| 274 | # Add the plot to the model item |
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| 275 | # variant_item = QtCore.QVariant(self._plotter) |
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| 276 | variant_item = QtCore.QVariant(extrapolated_data) |
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| 277 | |
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| 278 | # This needs to run in the main thread |
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| 279 | reactor.callFromThread(GuiUtils.updateModelItemWithPlot, |
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| 280 | self._model_item, variant_item, title) |
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| 281 | |
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| 282 | if self._high_extrapolate: |
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| 283 | # for presentation in InvariantDetails |
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| 284 | qmax_plot = Q_MAXIMUM_PLOT * max(self._data.x) |
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| 285 | if qmax_plot > Q_MAXIMUM: |
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| 286 | qmax_plot = Q_MAXIMUM |
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| 287 | qstar_high, qstar_high_err = inv.get_qstar_high() |
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| 288 | power_high = inv.get_extrapolation_power(range='high') |
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| 289 | high_out_data = inv.get_extra_data_high(q_end=qmax_plot, npts=500) |
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| 290 | |
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| 291 | # Plot the chart |
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| 292 | title = "High-Q extrapolation" |
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| 293 | |
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| 294 | # Convert the data into plottable |
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| 295 | high_out_data = self._manager.createGuiData(high_out_data) |
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| 296 | high_out_data.name = title |
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| 297 | high_out_data.title = title |
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| 298 | |
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| 299 | # Add the plot to the model item |
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| 300 | # variant_item = QtCore.QVariant(self._plotter) |
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| 301 | variant_item = QtCore.QVariant(high_out_data) |
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| 302 | # This needs to run in the main thread |
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| 303 | reactor.callFromThread(GuiUtils.updateModelItemWithPlot, |
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| 304 | self._model_item, variant_item, title) |
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| 305 | |
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| 306 | item = QtGui.QStandardItem(str(float('%.5g'% volume_fraction))) |
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| 307 | self.model.setItem(WIDGETS.W_VOLUME_FRACTION, item) |
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| 308 | item = QtGui.QStandardItem(str(float('%.5g'% volume_fraction_error))) |
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| 309 | self.model.setItem(WIDGETS.W_VOLUME_FRACTION_ERR, item) |
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| 310 | item = QtGui.QStandardItem(str(float('%.5g'% surface))) |
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| 311 | self.model.setItem(WIDGETS.W_SPECIFIC_SURFACE, item) |
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| 312 | item = QtGui.QStandardItem(str(float('%.5g'% surface_error))) |
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| 313 | self.model.setItem(WIDGETS.W_SPECIFIC_SURFACE_ERR, item) |
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| 314 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_total))) |
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| 315 | self.model.setItem(WIDGETS.W_INVARIANT, item) |
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| 316 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_total_error))) |
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| 317 | self.model.setItem(WIDGETS.W_INVARIANT_ERR, item) |
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| 318 | |
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| 319 | #item = QtGui.QStandardItem(str(float('%.5g'% qstar_total))) |
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| 320 | #self.model.setItem(WIDGETS.D_TOTAL_QSTAR, item) |
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| 321 | #item = QtGui.QStandardItem(str(float('%.5g'% qstar_total_err))) |
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| 322 | #self.model.setItem(WIDGETS.D_TOTAL_QSTAR_ERR, item) |
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| 323 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_low))) |
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| 324 | self.model.setItem(WIDGETS.D_LOW_QSTAR, item) |
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| 325 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_low_err))) |
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| 326 | self.model.setItem(WIDGETS.D_LOW_QSTAR_ERR, item) |
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| 327 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_high))) |
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| 328 | self.model.setItem(WIDGETS.D_HIGH_QSTAR, item) |
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| 329 | item = QtGui.QStandardItem(str(float('%.5g'% qstar_high_err))) |
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| 330 | self.model.setItem(WIDGETS.D_HIGH_QSTAR_ERR, item) |
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| 331 | |
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| 332 | self.mapper.toFirst() |
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| 333 | |
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| 334 | return self.model |
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| 335 | |
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| 336 | def title(self): |
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| 337 | """ |
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| 338 | Perspective name |
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| 339 | """ |
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| 340 | return "Invariant panel" |
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| 341 | |
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| 342 | def status(self): |
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| 343 | """ |
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| 344 | """ |
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| 345 | self.detailsDialog.setModel(self.model) |
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| 346 | self.detailsDialog.showDialog() |
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| 347 | |
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| 348 | def help(self): |
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| 349 | """ |
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| 350 | """ |
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| 351 | _TreeLocation = self._manager.HELP_DIRECTORY_LOCATION + \ |
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| 352 | "/user/sasgui/perspectives/invariant/invariant_help.html" |
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| 353 | self._helpView.load(QtCore.QUrl(_TreeLocation)) |
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| 354 | self._helpView.show() |
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| 355 | |
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| 356 | def setupSlots(self): |
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| 357 | self.pushButton.clicked.connect(self.calculateInvariant) |
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| 358 | self.pushButton_2.clicked.connect(self.status) |
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| 359 | self.pushButton_3.clicked.connect(self.help) |
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| 360 | |
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| 361 | self.radioButton.toggled.connect(self.lowGuinierAndPowerToggle) |
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| 362 | self.radioButton_8.toggled.connect(self.hiFitAndFixToggle) |
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| 363 | |
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| 364 | self.radioButton_3.toggled.connect(self.lowFitAndFixToggle) |
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| 365 | |
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| 366 | # Bug workaround for QDataWidgetMapper() not reacting to checkbox clicks. |
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| 367 | # https://bugreports.qt.io/browse/QTBUG-1818 |
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| 368 | self.checkBox.clicked.connect(self.setFocus) |
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| 369 | self.checkBox_2.clicked.connect(self.setFocus) |
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| 370 | |
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| 371 | self.model.itemChanged.connect(self.modelChanged) |
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| 372 | |
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| 373 | def modelChanged(self, item): |
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| 374 | """ |
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| 375 | """ |
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| 376 | if item.row() == WIDGETS.W_ENABLE_LOWQ: |
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| 377 | toggle = (str(item.text()) == 'true') |
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| 378 | self._low_extrapolate = toggle |
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| 379 | self.lowQToggle(toggle) |
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| 380 | elif item.row() == WIDGETS.W_ENABLE_HIGHQ: |
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| 381 | toggle = (str(item.text()) == 'true') |
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| 382 | self._high_extrapolate = toggle |
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| 383 | self.highQToggle(toggle) |
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| 384 | |
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| 385 | def lowGuinierAndPowerToggle(self, toggle): |
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| 386 | """ |
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| 387 | """ |
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| 388 | self._low_guinier = toggle |
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| 389 | toggle = not toggle |
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| 390 | self.lineEdit_11.setEnabled(toggle) |
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| 391 | self.radioButton_3.setEnabled(toggle) |
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| 392 | self.radioButton_4.setEnabled(toggle) |
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| 393 | self.lineEdit_11.setEnabled(toggle and (not self._low_fit)) |
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| 394 | |
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| 395 | def lowFitAndFixToggle(self, toggle): |
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| 396 | """ |
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| 397 | """ |
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| 398 | self._low_fit = toggle |
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| 399 | toggle = not toggle |
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| 400 | self.lineEdit_11.setEnabled(toggle) |
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| 401 | |
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| 402 | def hiFitAndFixToggle(self, toggle): |
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| 403 | """ |
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| 404 | """ |
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| 405 | self.lineEdit_13.setEnabled(toggle) |
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| 406 | |
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| 407 | def highQToggle(self, clicked): |
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| 408 | """ |
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| 409 | Disable/enable High Q extrapolation |
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| 410 | """ |
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| 411 | self.radioButton_7.setEnabled(clicked) |
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| 412 | self.radioButton_8.setEnabled(clicked) |
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| 413 | self.lineEdit_12.setEnabled(clicked) |
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| 414 | self.lineEdit_13.setEnabled(clicked) |
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| 415 | |
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| 416 | def lowQToggle(self, clicked): |
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| 417 | """ |
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| 418 | Disable/enable Low Q extrapolation |
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| 419 | """ |
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| 420 | self.radioButton.setEnabled(clicked) |
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| 421 | self.radioButton_2.setEnabled(clicked) |
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| 422 | self.lineEdit_11.setEnabled(clicked and not self._low_fit) |
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| 423 | |
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| 424 | # Enable subelements |
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| 425 | self.radioButton_3.setEnabled(clicked and not self._low_guinier) |
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| 426 | self.radioButton_4.setEnabled(clicked and not self._low_guinier) |
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| 427 | self.lineEdit_10.setEnabled(clicked and not self._low_guinier) |
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| 428 | |
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| 429 | def setupModel(self): |
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| 430 | |
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| 431 | # filename |
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| 432 | item = QtGui.QStandardItem(self._path) |
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| 433 | self.model.setItem(WIDGETS.W_FILENAME, item) |
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| 434 | |
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| 435 | # add Q parameters to the model |
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| 436 | #qmin = min(self._data.x) |
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| 437 | qmin = 0.0 |
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| 438 | item = QtGui.QStandardItem(str(qmin)) |
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| 439 | self.model.setItem(WIDGETS.W_QMIN, item) |
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| 440 | qmax = 0.0 |
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| 441 | item = QtGui.QStandardItem(str(qmax)) |
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| 442 | self.model.setItem(WIDGETS.W_QMAX, item) |
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| 443 | |
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| 444 | # add custom input params |
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| 445 | item = QtGui.QStandardItem(str(self._background)) |
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| 446 | self.model.setItem(WIDGETS.W_BACKGROUND, item) |
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| 447 | item = QtGui.QStandardItem(str(self._contrast)) |
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| 448 | self.model.setItem(WIDGETS.W_CONTRAST, item) |
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| 449 | item = QtGui.QStandardItem(str(self._scale)) |
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| 450 | self.model.setItem(WIDGETS.W_SCALE, item) |
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| 451 | |
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| 452 | # Dialog elements |
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| 453 | itemf = QtGui.QStandardItem("false") |
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| 454 | self.model.setItem(WIDGETS.W_ENABLE_HIGHQ, itemf) |
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| 455 | itemf = QtGui.QStandardItem("false") |
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| 456 | self.model.setItem(WIDGETS.W_ENABLE_LOWQ, itemf) |
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| 457 | |
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| 458 | item = QtGui.QStandardItem(str(self._npoints_low)) |
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| 459 | self.model.setItem(WIDGETS.W_NPTS_LOWQ, item) |
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| 460 | item = QtGui.QStandardItem(str(self._npoints_high)) |
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| 461 | self.model.setItem(WIDGETS.W_NPTS_HIGHQ, item) |
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| 462 | |
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| 463 | itemt = QtGui.QStandardItem("true") |
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| 464 | self.model.setItem(WIDGETS.W_LOWQ_GUINIER, itemt) |
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| 465 | |
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| 466 | itemt = QtGui.QStandardItem("true") |
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| 467 | self.model.setItem(WIDGETS.W_LOWQ_FIT, itemt) |
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| 468 | item = QtGui.QStandardItem(str(self._power_low)) |
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| 469 | self.model.setItem(WIDGETS.W_LOWQ_POWER_VALUE, item) |
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| 470 | |
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| 471 | itemt = QtGui.QStandardItem("true") |
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| 472 | self.model.setItem(WIDGETS.W_HIGHQ_FIT, itemt) |
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| 473 | item = QtGui.QStandardItem(str(self._power_low)) |
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| 474 | self.model.setItem(WIDGETS.W_HIGHQ_POWER_VALUE, item) |
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| 475 | |
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| 476 | |
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| 477 | def setupMapper(self): |
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| 478 | # Set up the mapper. |
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| 479 | self.mapper = QtGui.QDataWidgetMapper(self) |
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| 480 | self.mapper.setOrientation(QtCore.Qt.Vertical) |
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| 481 | self.mapper.setModel(self.model) |
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| 482 | |
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| 483 | # Set up the view on the model for testing |
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| 484 | # self.tableView.setModel(self.model) |
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| 485 | |
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| 486 | # Filename |
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| 487 | self.mapper.addMapping(self.lineEdit, WIDGETS.W_FILENAME) |
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| 488 | # Qmin/Qmax |
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| 489 | self.mapper.addMapping(self.lineEdit_2, WIDGETS.W_QMIN) |
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| 490 | self.mapper.addMapping(self.lineEdit_3, WIDGETS.W_QMAX) |
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| 491 | |
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| 492 | # Background |
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| 493 | self.mapper.addMapping(self.lineEdit_4, WIDGETS.W_BACKGROUND) |
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| 494 | # Scale |
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| 495 | self.mapper.addMapping(self.lineEdit_5, WIDGETS.W_SCALE) |
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| 496 | # Contrast |
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| 497 | self.mapper.addMapping(self.lineEdit_6, WIDGETS.W_CONTRAST) |
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| 498 | |
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| 499 | # Lowq/Highq items |
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| 500 | self.mapper.addMapping(self.checkBox, WIDGETS.W_ENABLE_LOWQ) |
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| 501 | self.mapper.addMapping(self.checkBox_2, WIDGETS.W_ENABLE_HIGHQ) |
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| 502 | |
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| 503 | self.mapper.addMapping(self.lineEdit_10, WIDGETS.W_NPTS_LOWQ) |
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| 504 | self.mapper.addMapping(self.radioButton, WIDGETS.W_LOWQ_GUINIER) |
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| 505 | |
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| 506 | self.mapper.addMapping(self.radioButton_3, WIDGETS.W_LOWQ_FIT) |
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| 507 | self.mapper.addMapping(self.lineEdit_11, WIDGETS.W_LOWQ_POWER_VALUE) |
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| 508 | |
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| 509 | self.mapper.addMapping(self.radioButton_7, WIDGETS.W_HIGHQ_FIT) |
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| 510 | self.mapper.addMapping(self.lineEdit_13, WIDGETS.W_HIGHQ_POWER_VALUE) |
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| 511 | |
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| 512 | # Output |
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| 513 | self.mapper.addMapping(self.lineEdit_14, WIDGETS.W_VOLUME_FRACTION) |
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| 514 | self.mapper.addMapping(self.lineEdit_15, WIDGETS.W_VOLUME_FRACTION_ERR) |
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| 515 | self.mapper.addMapping(self.lineEdit_16, WIDGETS.W_SPECIFIC_SURFACE) |
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| 516 | self.mapper.addMapping(self.lineEdit_17, WIDGETS.W_SPECIFIC_SURFACE_ERR) |
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| 517 | self.mapper.addMapping(self.lineEdit_19, WIDGETS.W_INVARIANT) |
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| 518 | self.mapper.addMapping(self.lineEdit_18, WIDGETS.W_INVARIANT_ERR) |
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| 519 | |
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| 520 | self.mapper.toFirst() |
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| 521 | |
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| 522 | def setData(self, data_item): |
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| 523 | """ |
|---|
| 524 | Obtain a QStandardItem object and dissect it to get Data1D/2D |
|---|
| 525 | Pass it over to the calculator |
|---|
| 526 | """ |
|---|
| 527 | if not isinstance(data_item, list): |
|---|
| 528 | msg = "Incorrect type passed to the Invariant Perspective" |
|---|
| 529 | raise AttributeError, msg |
|---|
| 530 | |
|---|
| 531 | if not isinstance(data_item[0], QtGui.QStandardItem): |
|---|
| 532 | msg = "Incorrect type passed to the Invariant Perspective" |
|---|
| 533 | raise AttributeError, msg |
|---|
| 534 | |
|---|
| 535 | self._model_item = data_item[0] |
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| 536 | |
|---|
| 537 | # Extract data on 1st child - this is the Data1D/2D component |
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| 538 | data = GuiUtils.dataFromItem(self._model_item) |
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| 539 | self.model.item(WIDGETS.W_FILENAME).setData(QtCore.QVariant(self._model_item.text())) |
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| 540 | |
|---|
| 541 | ##### DEBUG #### |
|---|
| 542 | # set data in the debug tree view window |
|---|
| 543 | self.treeView.setModel(self.model) |
|---|
| 544 | |
|---|
| 545 | self.calculate(data_list=[data]) |
|---|
| 546 | |
|---|
| 547 | def calculate(self, data_list=None): |
|---|
| 548 | """ |
|---|
| 549 | receive a list of data and compute invariant |
|---|
| 550 | |
|---|
| 551 | TODO: pass warnings/messages to log |
|---|
| 552 | """ |
|---|
| 553 | msg = "" |
|---|
| 554 | data = None |
|---|
| 555 | if data_list is None: |
|---|
| 556 | data_list = [] |
|---|
| 557 | if len(data_list) >= 1: |
|---|
| 558 | if len(data_list) == 1: |
|---|
| 559 | data = data_list[0] |
|---|
| 560 | else: |
|---|
| 561 | data_1d_list = [] |
|---|
| 562 | data_2d_list = [] |
|---|
| 563 | error_msg = "" |
|---|
| 564 | # separate data into data1d and data2d list |
|---|
| 565 | for data in data_list: |
|---|
| 566 | if data is not None: |
|---|
| 567 | if issubclass(data.__class__, Data1D): |
|---|
| 568 | data_1d_list.append(data) |
|---|
| 569 | else: |
|---|
| 570 | error_msg += " %s type %s \n" % (str(data.name), |
|---|
| 571 | str(data.__class__.__name__)) |
|---|
| 572 | data_2d_list.append(data) |
|---|
| 573 | if len(data_2d_list) > 0: |
|---|
| 574 | msg = "Invariant does not support the following data types:\n" |
|---|
| 575 | msg += error_msg |
|---|
| 576 | if len(data_1d_list) == 0: |
|---|
| 577 | # remake this as a qt event |
|---|
| 578 | #wx.PostEvent(self.parent, StatusEvent(status=msg, info='error')) |
|---|
| 579 | return |
|---|
| 580 | |
|---|
| 581 | # TODO: add msgbox for data choice |
|---|
| 582 | #msg += "Invariant panel does not allow multiple data!\n" |
|---|
| 583 | #msg += "Please select one.\n" |
|---|
| 584 | #if len(data_list) > 1: |
|---|
| 585 | #from invariant_widgets import DataDialog |
|---|
| 586 | #dlg = DataDialog(data_list=data_1d_list, text=msg) |
|---|
| 587 | #if dlg.ShowModal() == wx.ID_OK: |
|---|
| 588 | # data = dlg.get_data() |
|---|
| 589 | #else: |
|---|
| 590 | # data = None |
|---|
| 591 | #dlg.Destroy() |
|---|
| 592 | |
|---|
| 593 | if data is None: |
|---|
| 594 | msg += "invariant receives no data. \n" |
|---|
| 595 | #wx.PostEvent(self.parent, StatusEvent(status=msg, info='error')) |
|---|
| 596 | return |
|---|
| 597 | if not issubclass(data.__class__, Data1D): |
|---|
| 598 | msg += "invariant cannot be computed for data of " |
|---|
| 599 | msg += "type %s\n" % (data.__class__.__name__) |
|---|
| 600 | #wx.PostEvent(self.parent, StatusEvent(status=msg, info='error')) |
|---|
| 601 | return |
|---|
| 602 | else: |
|---|
| 603 | #wx.PostEvent(self.parent, NewPlotEvent(plot=data, title=data.title)) |
|---|
| 604 | try: |
|---|
| 605 | self._data = data |
|---|
| 606 | self._path = "unique path" |
|---|
| 607 | self.calculateInvariant() |
|---|
| 608 | except: |
|---|
| 609 | msg = "Invariant Set_data: " + str(sys.exc_value) |
|---|
| 610 | #wx.PostEvent(self.parent, StatusEvent(status=msg, info="error")) |
|---|
| 611 | else: |
|---|
| 612 | msg = "invariant cannot be computed for data of " |
|---|
| 613 | msg += "type %s" % (data.__class__.__name__) |
|---|
| 614 | #wx.PostEvent(self.parent, StatusEvent(status=msg, info='error')) |
|---|
| 615 | |
|---|
| 616 | def allowBatch(self): |
|---|
| 617 | """ |
|---|
| 618 | Tell the caller that we don't accept multiple data instances |
|---|
| 619 | """ |
|---|
| 620 | return False |
|---|
| 621 | |
|---|
| 622 | if __name__ == "__main__": |
|---|
| 623 | app = QtGui.QApplication([]) |
|---|
| 624 | import qt4reactor |
|---|
| 625 | qt4reactor.install() |
|---|
| 626 | # DO NOT move the following import to the top! |
|---|
| 627 | # (unless you know what you're doing) |
|---|
| 628 | from twisted.internet import reactor |
|---|
| 629 | dlg = InvariantWindow(reactor) |
|---|
| 630 | dlg.show() |
|---|
| 631 | reactor.run() |
|---|
