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