def sort(self, reversed_=False):
all_items = self.tileview.items
try:
if not all_items:
raise NoSampleError
sorter = Sorter(self.sortAlgorithm.currentText(), all_items,
self.sort_filter_indices)
if sorter.requiresTreeData():
sorter.treedata = self.sortFilterFeatures(self.model.features)
except NoSampleError:
return
try:
dist = sorter()
except Exception as e:
QMessageBox.warning(self, 'Warning', str(e))
return
if reversed_:
dist = -1*dist
if dist is not None:
for d, item in zip(dist, all_items):
item.sortkey = d
self.startSorting.emit()
def sort(self, reversed_=False):
all_items = self.tileview.items
try:
if not all_items:
raise NoSampleError
sorter = Sorter(self.sortAlgorithm.currentText(), all_items,
self.sort_filter_indices)
if sorter.requiresTreeData():
sorter.treedata = self.sortFilterFeatures(self.model.features)
except NoSampleError:
return
try:
dist = sorter()
except Exception as e:
QMessageBox.warning(self, 'Warning', str(e))
return
if reversed_:
dist = -1 * dist
if dist is not None:
for d, item in zip(dist, all_items):
item.sortkey = d
self.startSorting.emit()
def __init__(self, *args, **kw):
super(SortToolBar, self).__init__(*args, **kw)
self.quickSortBtn = QtWidgets.QPushButton("Quick Sort", self)
self.quickSortBtn.setCheckable(True)
self.quickSortBtn.setToolTip("Quick Sort")
self.quickSortBtn.setIcon(
QtGui.QIcon(":/crosshairs.png"))
self.sortAscendingBtn = QtWidgets.QToolButton(self)
self.sortAscendingBtn.setToolTip("Sort ascending")
self.sortAscendingBtn.setIcon(
QtGui.QIcon(":/oxygen/sort-ascending.png"))
self.sortDescendingBtn = QtWidgets.QToolButton(self)
self.sortDescendingBtn.setToolTip("Sort descending")
self.sortDescendingBtn.setIcon(
QtGui.QIcon(":/oxygen/sort-descending.png"))
self.sortAlgorithm = QtWidgets.QComboBox(self)
self.sortAlgorithm.setToolTip(
("Similarity measure used for sorting"))
self.sortAlgorithm.addItems(Sorter.sorters())
self.addWidget(self.sortAscendingBtn)
self.addWidget(self.sortDescendingBtn)
self.addSeparator()
self.addWidget(self.quickSortBtn)
self.addSeparator()
self.addWidget(self.sortAlgorithm)
def __init__(self, *args, **kw):
super(AtSortWidget, self).__init__(*args, **kw)
uifile = join(dirname(__file__), self.__class__.__name__ + ".ui")
loadUI(uifile, self)
self.treeview.activated.connect(self.onActivated)
self.sortAlgorithm.addItems(Sorter.sorters())
self.model = AtSorterItemModel(self)
self.treeview.setModel(self.model)
self.setupToolBar()
self.startSorting.connect(
lambda: self.tileview.reorder(force_update=True))
self._channels = tuple()
def __init__(self, *args, **kw):
super(AtSortWidget, self).__init__(*args, **kw)
uifile = join(dirname(__file__), self.__class__.__name__ + ".ui")
loadUI(uifile, self)
self.treeview.activated.connect(self.onActivated)
self.sortAlgorithm.addItems(Sorter.sorters())
self.model = AtSorterItemModel(self)
self.treeview.setModel(self.model)
self.setupToolBar()
self.startSorting.connect(
lambda: self.tileview.reorder(force_update=True))
self._channels = tuple()
def __init__(self, *args, **kw):
super(SortToolBar, self).__init__(*args, **kw)
self.sortAscendingBtn = QtWidgets.QToolButton(self)
self.sortAscendingBtn.setToolTip("Sort ascending")
self.sortAscendingBtn.setIcon(
QtGui.QIcon(":/oxygen/sort-ascending.png"))
self.sortDescendingBtn = QtWidgets.QToolButton(self)
self.sortDescendingBtn.setToolTip("Sort descending")
self.sortDescendingBtn.setIcon(
QtGui.QIcon(":/oxygen/sort-descending.png"))
self.sortAlgorithm = QtWidgets.QComboBox(self)
self.sortAlgorithm.setToolTip(
("Similarity measure used for sorting"))
self.sortAlgorithm.addItems(Sorter.sorters())
self.addWidget(self.sortAscendingBtn)
self.addWidget(self.sortDescendingBtn)
self.addWidget(self.sortAlgorithm)
class AtConfig(object):
"""Global settings (currently) not visible to the user."""
__metaclass__ = Singleton
Compression = {"gzip": range(10), "lzf": None, "None": None}
FeatureGroups = FeatureGroups
Sorters = Sorter.sorters()
def __init__(self):
# renders contuours in pixmap rather than QGraphicsView
# if False can cause a segfault in certain cases
self.draw_contours_in_pixmap = False
# one of ("gzip", "szip", "lwz", None)
# szip is not available on every platform
self.compression = "gzip"
# 0-9 if gzip else None
if self.compression is None:
self.compression_opts = None
else:
self.compression_opts = 4
# uses complemenatary color to draw conturs to improve contrast
self.contours_complementary_color = True
# maximum fraction of support vectors for the one class svm
# classifier
self.max_sv_fraction = 0.20
# if hdf contains more items, than the loading strategy changeds to
# "interactive", otherwise all item are loaded at oncec
self.interactive_item_limit = 5000
self.default_sorter = Sorter.CosineSimilarity
self.default_feature_group = self.FeatureGroups.keys()[0]
# include raw image data into the hdf file
self.save_raw_images = False
def saveSettings(self):
settings = QSettings(version.organisation, version.appname)
settings.beginGroup('Preferences')
settings.setValue('compression', self.compression)
settings.setValue('compression_opts', self.compression_opts)
settings.setValue('max_sv_fraction', self.max_sv_fraction)
settings.setValue('interactive_item_limit',
self.interactive_item_limit)
settings.setValue('default_sorter', self.default_sorter)
settings.setValue('default_feature_group', self.default_feature_group)
settings.setValue('contours_complementary_color',
self.contours_complementary_color)
settings.setValue('save_raw_images', self.save_raw_images)
settings.endGroup()
def restoreSettings(self):
settings = QSettings(version.organisation, version.appname)
settings.beginGroup('Preferences')
if settings.contains('compression'):
value = settings.value('compression', None)
self.compression = value
if settings.contains('compression_opts'):
value = settings.value('compression_opts', None)
if isinstance(value, basestring):
self.compression_opts = eval(value)
else:
self.compression_opts = value
if settings.contains('max_sv_fraction'):
value = settings.value('max_sv_fraction', type=float)
self.max_sv_fraction = value
if settings.contains('interactive_item_limit'):
value = settings.value('interactive_item_limit', 5000, type=int)
self.interactive_item_limit = value
if settings.contains('default_sorter'):
value = settings.value('default_sorter', type=str)
self.default_sorter = value
if settings.contains('default_feature_group'):
value = settings.value('default_feature_group')
self.default_feature_group = value
if settings.contains('contours_complementary_color'):
value = settings.value('contours_complementary_color', type=bool)
self.contours_complementary_color = value
if settings.contains('save_raw_images'):
value = settings.value('save_raw_images', type=bool)
self.save_raw_images = value
settings.endGroup()
