def __init__(
self,
image,
*,
metadata=None,
multichannel=None,
colormap='gray',
clim=None,
clim_range=None,
interpolation='nearest',
name=None,
**kwargs,
):
visual = ImageNode(None, method='auto')
super().__init__(visual, name)
self.events.add(clim=Event, colormap=Event, interpolation=Event)
with self.freeze_refresh():
# Set data
self._data = image
self.metadata = metadata or {}
self.multichannel = multichannel
# Intitialize image views and thumbnails with zeros
if self.multichannel:
self._data_view = np.zeros((1, 1) + (self.shape[-1], ))
else:
self._data_view = np.zeros((1, 1))
self._data_thumbnail = self._data_view
# Set clims and colormaps
self._colormap_name = ''
self._clim_msg = ''
if clim_range is None:
self._clim_range = calc_data_range(self.data)
else:
self._clim_range = clim_range
if clim is None:
self.clim = self._clim_range
else:
self.clim = clim
self.colormap = colormap
self.interpolation = interpolation
# Set update flags
self._need_display_update = False
self._need_visual_update = False
# Re intitialize indices depending on image dims
self._indices = (0, ) * (self.ndim - 2) + (
slice(None, None, None),
slice(None, None, None),
)
# Trigger generation of view slice and thumbnail
self._set_view_slice()
def _on_display_change(self):
parent = self.node.parent
self.node.parent = None
if self.layer.dims.ndisplay == 2:
self.node = ImageNode(None, method='auto')
else:
self.node = VolumeNode(np.zeros((1, 1, 1)))
self.node.parent = parent
self.reset()
def __init__(self, layer):
node = ImageNode(None, method='auto')
super().__init__(layer, node)
self.layer.events.interpolation.connect(
lambda e: self._on_interpolation_change())
self.layer.events.colormap.connect(
lambda e: self._on_colormap_change())
self.layer.events.contrast_limits.connect(
lambda e: self._on_contrast_limits_change())
self.reset()
def _on_display_change(self, data=None):
parent = self.node.parent
self.node.parent = None
if self.layer.dims.ndisplay == 2:
self.node = ImageNode(data, method='auto')
else:
if data is None:
data = np.zeros((1, 1, 1))
self.node = VolumeNode(data, clim=self.layer.contrast_limits)
self.node.parent = parent
self.reset()
def __init__(self, layer):
node = ImageNode(None, method='auto')
super().__init__(layer, node)
self.layer.events.rendering.connect(self._on_rendering_change)
self.layer.events.interpolation.connect(self._on_interpolation_change)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.contrast_limits.connect(
self._on_contrast_limits_change)
self.layer.events.gamma.connect(self._on_gamma_change)
self.layer.events.iso_threshold.connect(self._on_threshold_change)
self.layer.events.attenuation.connect(self._on_threshold_change)
self._on_display_change()
self._on_data_change()
def __init__(self, layer):
node = ImageNode(None, method='auto')
super().__init__(layer, node)
self.layer.events.rendering.connect(
lambda e: self._on_rendering_change())
self.layer.events.interpolation.connect(
lambda e: self._on_interpolation_change())
self.layer.events.colormap.connect(
lambda e: self._on_colormap_change())
self.layer.events.contrast_limits.connect(
lambda e: self._on_contrast_limits_change())
self.layer.dims.events.ndisplay.connect(
lambda e: self._on_display_change())
self.layer.events.gamma.connect(lambda e: self._on_gamma_change())
self._on_display_change()
def __init__(
self,
labels,
*,
metadata=None,
num_colors=50,
seed=0.5,
opacity=0.7,
name=None,
**kwargs,
):
visual = ImageNode(None, method='auto')
super().__init__(visual, name)
self.events.add(
colormap=Event,
mode=Event,
n_dimensional=Event,
contiguous=Event,
brush_size=Event,
selected_label=Event,
)
self._data = labels
self._data_view = np.zeros((1, 1))
self.metadata = metadata or {}
self._seed = seed
self._colormap_name = 'random'
self._num_colors = num_colors
self.colormap = (
self._colormap_name,
colormaps.label_colormap(self.num_colors),
)
self._node.clim = [0.0, 1.0]
self._node.cmap = self.colormap[1]
self._node.opacity = opacity
self._n_dimensional = True
self._contiguous = True
self._brush_size = 10
self._last_cursor_coord = None
self._selected_label = 0
self._selected_color = None
self._mode = Mode.PAN_ZOOM
self._mode_history = self._mode
self._status = self.mode
self._help = 'enter paint or fill mode to edit labels'
# update flags
self._need_display_update = False
self._need_visual_update = False
# Re intitialize indices depending on image dims
self._indices = (0, ) * (self.ndim - 2) + (
slice(None, None, None),
slice(None, None, None),
)
# Trigger generation of view slice and thumbnail
self._set_view_slice()
