def __getitem__(self, view):
""" Retrieve the elements from a data view within the subset
:param view: View of the data. See data.__getitem__ for detils
"""
c, v = split_component_view(view)
ma = self.to_mask(v)
return self.data[view][ma]
def __getitem__(self, view):
""" Retrieve the elements from a data view within the subset
:param view: View of the data. See data.__getitem__ for detils
"""
c, v = split_component_view(view)
ma = self.to_mask(v)
return self.data[view][ma]
def _update_ginga_models(self, view, transpose=False):
subset = self.layer
logging.getLogger(__name__).debug("View into subset %s is %s", self.layer, view)
_, view = split_component_view(view) # discard ComponentID
r, g, b = color2rgb(self.layer.style.color)
if self._img is None:
self._img = SubsetImage(subset, view)
if self._cimg is None:
# SubsetImages can't be added to canvases directly. Need
# to wrap into a ginga canvas type.
Image = self._canvas.getDrawClass('image')
self._cimg = Image(0, 0, self._img, alpha=0.5, flipy=False)
self._img.view = view
self._img.color = (r, g, b)
self._img.transpose = transpose
def update(self, view, transpose=False):
if not self.visible:
return
# update ginga model
comp, view = split_component_view(view)
if self._img is None:
self._img = DataImage(self.layer, comp, view, transpose)
self._canvas.set_image(self._img)
self._img.data = self.layer
self._img.component = comp
self._img.view = view
self._img.transpose = transpose
self._img.override_image = self._override_image
self.redraw()
def update(self, view, transpose=False):
if not self.visible:
return
# update ginga model
comp, view = split_component_view(view)
if self._img is None:
self._img = DataImage(self.layer, comp, view, transpose)
self._canvas.set_image(self._img)
self._img.data = self.layer
self._img.component = comp
self._img.view = view
self._img.transpose = transpose
self._img.override_image = self._override_image
self.redraw()
def __getitem__(self, key):
""" Shortcut syntax to access the numerical data in a component.
Equivalent to:
``component = data.get_component(component_id).data``
:param key:
The component to fetch data from
:type key: :class:`~glue.core.component_id.ComponentID`
:returns: :class:`~numpy.ndarray`
"""
key, view = split_component_view(key)
if isinstance(key, six.string_types):
_k = key
key = self.find_component_id(key)
if key is None:
raise IncompatibleAttribute(_k)
if isinstance(key, ComponentLink):
return key.compute(self, view)
if key in self._components:
comp = self._components[key]
elif key in self._externally_derivable_components:
comp = self._externally_derivable_components[key]
else:
raise IncompatibleAttribute(key)
shp = view_shape(self.shape, view)
if view is not None:
result = comp[view]
else:
if comp.categorical:
result = comp.codes
else:
result = comp.data
assert result.shape == shp, \
"Component view returned bad shape: %s %s" % (result.shape, shp)
return result
def _update_ginga_models(self, view, transpose=False):
subset = self.layer
logging.getLogger(__name__).debug("View into subset %s is %s",
self.layer, view)
_, view = split_component_view(view) # discard ComponentID
r, g, b = color2rgb(self.layer.style.color)
if self._img is None:
self._img = SubsetImage(subset, view)
if self._cimg is None:
# SubsetImages can't be added to canvases directly. Need
# to wrap into a ginga canvas type.
Image = self._canvas.getDrawClass('image')
self._cimg = Image(0, 0, self._img, alpha=0.5, flipy=False)
self._img.view = view
self._img.color = (r, g, b)
self._img.transpose = transpose
def __getitem__(self, key):
""" Shortcut syntax to access the numerical data in a component.
Equivalent to:
``component = data.get_component(component_id).data``
:param key:
The component to fetch data from
:type key: :class:`~glue.core.component_id.ComponentID`
:returns: :class:`~numpy.ndarray`
"""
key, view = split_component_view(key)
if isinstance(key, six.string_types):
_k = key
key = self.find_component_id(key)
if key is None:
raise IncompatibleAttribute(_k)
if isinstance(key, ComponentLink):
return key.compute(self, view)
try:
comp = self._components[key]
except KeyError:
raise IncompatibleAttribute(key)
shp = view_shape(self.shape, view)
if view is not None:
result = comp[view]
else:
if comp.categorical:
result = comp.codes
else:
result = comp.data
assert result.shape == shp, \
"Component view returned bad shape: %s %s" % (result.shape, shp)
return result
