class LabelAssistDialog(QDialog):
"""
A simple UI for showing bookmarks and navigating to them.
FIXME: For now, this window is tied to a particular lane.
If your project has more than one lane, then each one
will have it's own bookmark window, which is kinda dumb.
"""
def __init__(self, parent, topLevelOperatorView):
super(LabelAssistDialog, self).__init__(parent)
# Create thread router to populate table on main thread
self.threadRouter = ThreadRouter(self)
# Set object classification operator view
self.topLevelOperatorView = topLevelOperatorView
self.setWindowTitle("Label Assist")
self.setMinimumWidth(500)
self.setMinimumHeight(700)
layout = QGridLayout()
layout.setContentsMargins(10, 10, 10, 10)
# Show variable importance table
rows = 0
columns = 4
self.table = QTableWidget(rows, columns)
self.table.setHorizontalHeaderLabels(
['Frame', 'Max Area', 'Min Area', 'Labels'])
self.table.verticalHeader().setVisible(False)
# Select full row on-click and call capture double click
self.table.setSelectionBehavior(QTableView.SelectRows)
self.table.doubleClicked.connect(self._captureDoubleClick)
layout.addWidget(self.table, 1, 0, 3, 2)
# Create progress bar
self.progressBar = QProgressBar()
self.progressBar.setMinimum(0)
self.progressBar.setMaximum(0)
self.progressBar.hide()
layout.addWidget(self.progressBar, 4, 0, 1, 2)
# Create button to populate table
self.computeButton = QPushButton('Compute object info')
self.computeButton.clicked.connect(self._triggerTableUpdate)
layout.addWidget(self.computeButton, 5, 0)
# Create close button
closeButton = QPushButton('Close')
closeButton.clicked.connect(self.close)
layout.addWidget(closeButton, 5, 1)
# Set dialog layout
self.setLayout(layout)
def _triggerTableUpdate(self):
# Check that object area is included in selected features
featureNames = self.topLevelOperatorView.SelectedFeatures.value
if 'Standard Object Features' not in featureNames or 'Count' not in featureNames[
'Standard Object Features']:
box = QMessageBox(
QMessageBox.Warning, 'Warning',
'Object area is not a selected feature. Please select this feature on: \"Standard Object Features > Shape > Size in pixels\"',
QMessageBox.NoButton, self)
box.show()
return
# Clear table
self.table.clearContents()
self.table.setRowCount(0)
self.table.setSortingEnabled(False)
self.progressBar.show()
self.computeButton.setEnabled(False)
# Compute object features and number of labels per frame
def compute_features():
features = self.topLevelOperatorView.ObjectFeatures([]).wait()
labels = self.topLevelOperatorView.LabelInputs([]).wait()
return features, labels
req = Request(compute_features)
req.notify_finished(self._populateTable)
req.submit()
@threadRouted
def _populateTable(self, features_and_labels):
features, labels = features_and_labels
self.progressBar.hide()
self.computeButton.setEnabled(True)
for frame, objectFeatures in features.iteritems():
# Insert row
rowNum = self.table.rowCount()
self.table.insertRow(self.table.rowCount())
# Get max and min object areas
areas = objectFeatures['Standard Object Features']['Count']
maxObjArea = numpy.max(areas[numpy.nonzero(areas)])
minObjArea = numpy.min(areas[numpy.nonzero(areas)])
# Get number of labeled objects
labelNum = numpy.count_nonzero(labels[frame])
# Load fram number
item = QTableWidgetItem(str(frame))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.table.setItem(rowNum, 0, item)
# Load max object areas
item = QTableWidgetItemWithFloatSorting(
str("{: .02f}".format(maxObjArea)))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.table.setItem(rowNum, 1, item)
# Load min object areas
item = QTableWidgetItemWithFloatSorting(
str("{: .02f}".format(minObjArea)))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.table.setItem(rowNum, 2, item)
# Load label numbers
item = QTableWidgetItemWithFloatSorting(
str("{: .01f}".format(labelNum)))
item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
self.table.setItem(rowNum, 3, item)
# Resize column size to fit dialog size
self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
# Sort by max object area
self.table.setSortingEnabled(True)
self.table.sortByColumn(1)
def _captureDoubleClick(self):
# Navigate to selected frame
index = self.table.selectedIndexes()[0]
frameStr = self.table.model().data(index).toString()
if frameStr:
frameNum = int(frameStr)
self.parent().editor.posModel.time = frameNum
class LabelAssistDialog(QDialog):
"""
A simple UI for showing bookmarks and navigating to them.
FIXME: For now, this window is tied to a particular lane.
If your project has more than one lane, then each one
will have it's own bookmark window, which is kinda dumb.
"""
def __init__(self, parent, topLevelOperatorView):
super(LabelAssistDialog, self).__init__(parent)
# Create thread router to populate table on main thread
self.threadRouter = ThreadRouter(self)
# Set object classification operator view
self.topLevelOperatorView = topLevelOperatorView
self.setWindowTitle("Label Assist")
self.setMinimumWidth(500)
self.setMinimumHeight(700)
layout = QGridLayout()
layout.setContentsMargins(10, 10, 10, 10)
# Show variable importance table
rows = 0
columns = 4
self.table = QTableWidget(rows, columns)
self.table.setHorizontalHeaderLabels(['Frame', 'Max Area', 'Min Area', 'Labels'])
self.table.verticalHeader().setVisible(False)
# Select full row on-click and call capture double click
self.table.setSelectionBehavior(QTableView.SelectRows);
self.table.doubleClicked.connect(self._captureDoubleClick)
layout.addWidget(self.table, 1, 0, 3, 2)
# Create progress bar
self.progressBar = QProgressBar()
self.progressBar.setMinimum(0)
self.progressBar.setMaximum(0)
self.progressBar.hide()
layout.addWidget(self.progressBar, 4, 0, 1, 2)
# Create button to populate table
self.computeButton = QPushButton('Compute object info')
self.computeButton.clicked.connect(self._triggerTableUpdate)
layout.addWidget(self.computeButton, 5, 0)
# Create close button
closeButton = QPushButton('Close')
closeButton.clicked.connect(self.close)
layout.addWidget(closeButton, 5, 1)
# Set dialog layout
self.setLayout(layout)
def _triggerTableUpdate(self):
# Check that object area is included in selected features
featureNames = self.topLevelOperatorView.SelectedFeatures.value
if 'Standard Object Features' not in featureNames or 'Count' not in featureNames['Standard Object Features']:
box = QMessageBox(QMessageBox.Warning,
'Warning',
'Object area is not a selected feature. Please select this feature on: \"Standard Object Features > Shape > Size in pixels\"',
QMessageBox.NoButton,
self)
box.show()
return
# Clear table
self.table.clearContents()
self.table.setRowCount(0)
self.table.setSortingEnabled(False)
self.progressBar.show()
self.computeButton.setEnabled(False)
def compute_features_for_frame(tIndex, t, features):
# Compute features and labels (called in parallel from request pool)
roi = [slice(None) for i in range(len(self.topLevelOperatorView.LabelImages.meta.shape))]
roi[tIndex] = slice(t, t+1)
roi = tuple(roi)
frame = self.topLevelOperatorView.SegmentationImages(roi).wait()
frame = frame.squeeze().astype(numpy.uint32, copy=False)
# Dirty trick: We don't care what we're passing here for the 'image' parameter,
# but vigra insists that we pass *something*, so we'll cast the label image as float32.
features[t] = vigra.analysis.extractRegionFeatures(frame.view(numpy.float32),
frame,
['Count'],
ignoreLabel=0)
tIndex = self.topLevelOperatorView.SegmentationImages.meta.axistags.index('t')
tMax = self.topLevelOperatorView.SegmentationImages.meta.shape[tIndex]
features = {}
labels = {}
def compute_all_features():
# Compute features in parallel
pool = RequestPool()
for t in range(tMax):
pool.add( Request( partial(compute_features_for_frame, tIndex, t, features) ) )
pool.wait()
# Compute labels
labels = self.topLevelOperatorView.LabelInputs([]).wait()
req = Request(compute_all_features)
req.notify_finished( partial(self._populateTable, features, labels) )
req.submit()
@threadRouted
def _populateTable(self, features, labels, *args):
self.progressBar.hide()
self.computeButton.setEnabled(True)
for time, feature in features.iteritems():
# Insert row
rowNum = self.table.rowCount()
self.table.insertRow(self.table.rowCount())
# Get max and min object areas
areas = feature['Count']#objectFeatures['Standard Object Features']['Count']
maxObjArea = numpy.max(areas[numpy.nonzero(areas)])
minObjArea = numpy.min(areas[numpy.nonzero(areas)])
# Get number of labeled objects
labelNum = numpy.count_nonzero(labels[time])
# Load fram number
item = QTableWidgetItem(str(time))
item.setFlags( Qt.ItemIsSelectable | Qt.ItemIsEnabled )
self.table.setItem(rowNum, 0, item)
# Load max object areas
item = QTableWidgetItemWithFloatSorting(str("{: .02f}".format(maxObjArea)))
item.setFlags( Qt.ItemIsSelectable | Qt.ItemIsEnabled )
self.table.setItem(rowNum, 1, item)
# Load min object areas
item = QTableWidgetItemWithFloatSorting(str("{: .02f}".format(minObjArea)))
item.setFlags( Qt.ItemIsSelectable | Qt.ItemIsEnabled )
self.table.setItem(rowNum, 2, item)
# Load label numbers
item = QTableWidgetItemWithFloatSorting(str("{: .01f}".format(labelNum)))
item.setFlags( Qt.ItemIsSelectable | Qt.ItemIsEnabled )
self.table.setItem(rowNum, 3, item)
# Resize column size to fit dialog size
self.table.horizontalHeader().setResizeMode(QHeaderView.Stretch)
# Sort by max object area
self.table.setSortingEnabled(True)
self.table.sortByColumn(1)
def _captureDoubleClick(self):
# Navigate to selected frame
index = self.table.selectedIndexes()[0]
frameStr = self.table.model().data(index).toString()
if frameStr:
frameNum = int(frameStr)
self.parent().editor.posModel.time = frameNum
class ActionEditorDialog(QWidget):
# Redefine the tr() function for this class.
def tr(self, text):
return qApp.translate("ActionEditorDialog", text)
def __init__(self, actions, parent=None):
super(ActionEditorDialog, self).__init__(parent)
self.actions = actions
help = QLabel(translate("Shortcut Settings", '<b>Double click a cell in the Shortcut Column' \
' to <br />modify the key sequence.</b>'))
self.actionTable = QTableWidget(self)
self.actionTable.setSelectionBehavior(QTableWidget.SelectRows)
self.actionTable.setEditTriggers(QTableWidget.DoubleClicked)
self.actionTable.setColumnCount(2)
self.actionTable.setHorizontalHeaderLabels(
[translate("Shortcut Settings", "Description"),
translate("Shortcut Settings", "Shortcut")]
)
self.actionTable.horizontalHeader().setStretchLastSection(True)
self.actionTable.verticalHeader().hide()
self.actionTable.setItemDelegate(ActionEditorDelegate(self))
self.connect(self.actionTable, SIGNAL("cellChanged(int, int)"),
self.validateAction)
row = 0
for action in self.actions:
if action.text().isEmpty():
continue
self.actionTable.insertRow(self.actionTable.rowCount())
item = QTableWidgetItem()
item.setText(action.text())
item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsSelectable)
self.actionTable.setItem(row, 0, item)
item = QTableWidgetItem()
item.setText(action.shortcut().toString())
item.setFlags(Qt.ItemIsEnabled | Qt.ItemIsEditable | Qt.ItemIsSelectable)
item.oldShortcutText = item.text()
self.actionTable.setItem(row, 1, item)
row += 1
self.actionTable.resizeColumnsToContents()
mainLayout = QVBoxLayout()
mainLayout.addWidget(help)
mainLayout.setMargin(8)
mainLayout.setSpacing(8)
mainLayout.addWidget(self.actionTable)
self.setLayout(mainLayout)
self._model = self.actionTable.model()
self._model.edited = False
self.actionTable.model().edited = False
self.setWindowTitle(translate("Shortcut Settings", "Edit Shortcuts"))
def applySettings(self, control=None):
if not self._model.edited:
return
row = 0
for action in self.actions:
if not action.text().isEmpty():
action.setText(self.actionTable.item(row, 0).text())
action.setShortcut(QKeySequence(self.actionTable.item(row, 1).text()))
row += 1
self.saveSettings(self.actions)
self._model.edited = False
def _loadSettings(self, actions):
cparser = PuddleConfig(os.path.join(CONFIGDIR, 'user_shortcuts'))
for action in actions:
shortcut = cparser.get('shortcuts', unicode(action.text()), '')
if shortcut:
action.setShortcut(QKeySequence(shortcut))
_loadSettings = classmethod(_loadSettings)
def saveSettings(self, actions):
cparser = PuddleConfig(os.path.join(CONFIGDIR, 'user_shortcuts'))
for action in actions:
shortcut = unicode(action.shortcut().toString())
cparser.set('shortcuts', unicode(action.text()), shortcut)
saveSettings = classmethod(saveSettings)
def validateAction(self, row, column):
if column != 1:
return
item = self.actionTable.item(row, column)
shortcutText = QKeySequence(item.text()).toString()
thisRow = self.actionTable.row(item)
if not shortcutText.isEmpty():
for row in range(self.actionTable.rowCount()):
if row == thisRow:
continue
other = self.actionTable.item(row, 1)
if other.text() == shortcutText:
other.setText(item.oldShortcutText)
break
item.setText(shortcutText)
item.oldShortcutText = shortcutText
self.actionTable.resizeColumnToContents(1)
