def _select_pixel(self, mode):
"""
Select a pixel
"""
if not self._on_move:
return
x, y = self._event_xdata, self._event_ydata
if x is None or y is None:
return None
x = int(round(x))
y = int(round(y))
slices = [slice(None)] * self.viewer.state.reference_data.ndim
slices[self.viewer.state.x_att.axis] = slice(x, x + 1)
slices[self.viewer.state.y_att.axis] = slice(y, y + 1)
subset_state = PixelSubsetState(self.viewer.state.reference_data, slices)
cmd = ApplySubsetState(data_collection=self.viewer._data,
subset_state=subset_state,
use_current=False)
self.viewer._session.command_stack.do(cmd)
def apply_roi(self, roi, use_current=False):
# TODO: partial copy paste from glue/viewers/matplotlib/qt/data_viewer.py
with self._output_widget:
if len(self.layers) > 0:
subset_state = self._roi_to_subset_state(roi)
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state,
use_current=use_current)
self._session.command_stack.do(cmd)
def apply_roi(self, roi):
if len(self.layers) > 0:
subset_state = self._roi_to_subset_state(roi)
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state)
self._session.command_stack.do(cmd)
else:
# Make sure we force a redraw to get rid of the ROI
self.axes.figure.canvas.draw()
def apply_roi(self, roi, use_current=False):
with self.output_widget:
if len(self.layers) > 0:
subset_state = self._roi_to_subset_state(roi)
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state,
use_current=use_current)
self._session.command_stack.do(cmd)
else:
# Make sure we force a redraw to get rid of the ROI
self.axes.figure.canvas.draw()
def apply_roi(self, roi):
""" This method relies on _roi_to_subset_state to be implemented by
subclasses.
"""
if len(self.layers) > 0:
subset_state = self._roi_to_subset_state(roi)
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state)
self._session.command_stack.do(cmd)
else:
# Make sure we force a redraw to get rid of the ROI
self.axes.figure.canvas.draw()
def apply_roi(self, roi, use_current=False):
if len(self.layers) > 0:
# self.state.x_att.parent.get_component(self.state.x_att)
x = self.state.x_att
# self.state.y_att.parent.get_component(self.state.y_att)
y = self.state.y_att
# self.state.z_att.parent.get_component(self.state.z_att)
z = self.state.z_att
subset_state = RoiSubsetState3d(x, y, z, roi)
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state,
use_current=use_current)
self._session.command_stack.do(cmd)
def subset_roi(self, attributes, roi):
"""
Create a subset from a region of interest.
Parameters
----------
attributes : iterable
The attributes on the x and y axis
roi : `~glue.core.roi.Roi`
The region of interest to use to create the subset.
"""
subset_state = RoiSubsetState(attributes[0], attributes[1], roi)
cmd = ApplySubsetState(data_collection=self.data_collection,
subset_state=subset_state)
self._session.command_stack.do(cmd)
def apply_subset_state(self, subset_state, override_mode=None):
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state,
override_mode=override_mode)
self._session.command_stack.do(cmd)
def subset_roi(self, components, roi, use_current=False):
subset_state = RoiSubsetState(components[0], components[1], roi)
cmd = ApplySubsetState(data_collection=self.data_collection,
subset_state=subset_state,
use_current=use_current)
self._session.command_stack.do(cmd)
def apply_subset_state(self, subset_state):
cmd = ApplySubsetState(data_collection=self.viewer._data,
subset_state=subset_state)
self.viewer.session.command_stack.do(cmd)
def apply_subset_state(self, subset_state, use_current=False):
cmd = ApplySubsetState(data_collection=self._data,
subset_state=subset_state,
use_current=use_current)
self._session.command_stack.do(cmd)
