def wait(self):
array_data = self._arrayreq.wait()
# We can't make this assertion, because the array request might be expanded
# with a halo so that the QGraphicsItem can display edges on tile borders.
# assert array_data.shape == (self.rect.width(), self.rect.height())
def create():
# Construct the path items
# This *could* be done outside of this create() function (and thus outside of the main thread),
# but (1) that seems to cause crashes on shutdown,
# and (2) performance gets worse, not better.
path_items = generate_path_items_for_labels(
self._layer.pen_table, self._layer.default_pen, array_data,
None)
# All SegmentationEdgesItem(s) associated with this layer will share a common pen table.
# They react immediately when the pen table is updated.
graphics_item = SegmentationEdgesItem(path_items,
self._layer.pen_table,
self._layer.default_pen,
self._is_clickable)
# When the item is clicked, the layer is notified.
graphics_item.edgeClicked.connect(self._layer.handle_edge_clicked)
graphics_item.edgeSwiped.connect(self._layer.handle_edge_swiped)
return graphics_item
# We're probably running in a non-main thread right now,
# but we're only allowed to create QGraphicsItemObjects in the main thread.
return execute_in_main_thread(create)
def wait(self):
array_data = self._arrayreq.wait()
# We can't make this assertion, because the array request might be expanded
# with a halo so that the QGraphicsItem can display edges on tile borders.
#assert array_data.shape == (self.rect.width(), self.rect.height())
def create():
# Construct the path items
# This *could* be done outside of this create() function (and thus outside of the main thread),
# but (1) that seems to cause crashes on shutdown,
# and (2) performance gets worse, not better.
path_items = generate_path_items_for_labels(self._layer.pen_table, array_data, None)
# All SegmentationEdgesItem(s) associated with this layer will share a common pen table.
# They react immediately when the pen table is updated.
graphics_item = SegmentationEdgesItem(path_items, self._layer.pen_table)
# When the item is clicked, the layer is notified.
graphics_item.edgeClicked.connect( self._layer.handle_edge_clicked )
return graphics_item
# We're probably running in a non-main thread right now,
# but we're only allowed to create QGraphicsItemObjects in the main thread.
return execute_in_main_thread(create)
def wait(self):
array_data = self._arrayreq.wait()
# Here's where we would do something with the data...
assert array_data.shape == (self.rect.width(), self.rect.height())
return execute_in_main_thread(DummyItem, QRectF(self.rect))
def f():
print("in thread:", threading.current_thread().name)
result = execute_in_main_thread(g)
print("Result was:", result)
def f():
print "in thread:", threading.current_thread().name
result = execute_in_main_thread(g)
print "Result was:", result
def wait(self):
array_data = self._arrayreq.wait()
# Here's where we would do something with the data...
assert array_data.shape == (self.rect.width(), self.rect.height())
return execute_in_main_thread(DummyItem, QRectF(self.rect))
