from astropy.coordinates import SkyCoord
from astropy.table import QTable
from glue.core import BaseData
from glue_jupyter.bqplot.image import BqplotImageView
from glue_jupyter.table import TableViewer
from jdaviz.core.events import (AddDataToViewerMessage,
RemoveDataFromViewerMessage,
TableClickMessage)
from jdaviz.core.astrowidgets_api import AstrowidgetsImageViewerMixin
from jdaviz.core.registries import viewer_registry
from jdaviz.core.freezable_state import FreezableBqplotImageViewerState
from jdaviz.configs.default.plugins.viewers import JdavizViewerMixin
from jdaviz.configs.specviz.plugins.viewers import Spectrum1DViewer, Spectrum2DViewer
__all__ = ['MosvizImageView', 'MosvizProfile2DView',
'MosvizProfileView', 'MosvizTableViewer']
[docs]
@viewer_registry("mosviz-image-viewer", label="Image 2D (Mosviz)")
class MosvizImageView(JdavizViewerMixin, BqplotImageView, AstrowidgetsImageViewerMixin):
# categories: zoom resets, zoom, pan, subset, select tools, shortcuts
tools_nested = [
['jdaviz:homezoom', 'jdaviz:prevzoom'],
['jdaviz:boxzoom'],
['jdaviz:panzoom'],
['jdaviz:sidebar_plot', 'jdaviz:sidebar_export']
]
default_class = None
_state_cls = FreezableBqplotImageViewerState
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.init_astrowidgets_api()
self._subscribe_to_layers_update()
self.state.show_axes = False # Axes are wrong anyway
self.figure.fig_margin = {'left': 0, 'bottom': 0, 'top': 0, 'right': 0}
self.data_menu._obj.dataset.add_filter('is_image_not_spectrum')
self.data_menu._obj.dataset.add_filter('same_mosviz_row')
[docs]
def data(self, cls=None):
return [layer_state.layer.get_object(cls=cls or self.default_class)
for layer_state in self.state.layers
if hasattr(layer_state, 'layer') and
isinstance(layer_state.layer, BaseData)]
# NOTE: This is currently only for debugging. It is not used in app.
def _mark_targets(self):
table_data = self.jdaviz_app.data_collection['MOS Table']
if ("R.A." not in table_data.component_ids() or
"Dec." not in table_data.component_ids()):
return
ra = table_data["R.A."]
dec = table_data["Dec."]
sky = SkyCoord(ra, dec, unit='deg')
t = QTable({'coord': sky})
self.add_markers(t, use_skycoord=True, marker_name='Targets')
[docs]
@viewer_registry("mosviz-profile-2d-viewer", label="Spectrum 2D (Mosviz)")
class MosvizProfile2DView(Spectrum2DViewer):
# categories: zoom resets, zoom, pan, subset, select tools, shortcuts
tools_nested = [
['mosviz:homezoom'],
['mosviz:boxzoom', 'mosviz:xrangezoom', 'jdaviz:yrangezoom'],
['mosviz:panzoom', 'mosviz:panzoom_x', 'jdaviz:panzoom_y'],
['bqplot:xrange'],
['jdaviz:sidebar_plot', 'jdaviz:sidebar_export']
]
_state_cls = FreezableBqplotImageViewerState
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.data_menu._obj.dataset.add_filter('same_mosviz_row')
[docs]
@viewer_registry("mosviz-profile-viewer", label="Profile 1D")
class MosvizProfileView(Spectrum1DViewer):
# categories: zoom resets, zoom, pan, subset, select tools, shortcuts
tools_nested = [
['mosviz:homezoom'],
['mosviz:boxzoom', 'mosviz:xrangezoom', 'jdaviz:yrangezoom'], # noqa
['mosviz:panzoom', 'mosviz:panzoom_x', 'jdaviz:panzoom_y'], # noqa
['bqplot:xrange'],
['jdaviz:selectline'],
['jdaviz:sidebar_plot', 'jdaviz:sidebar_export']
]
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.data_menu._obj.dataset.add_filter('same_mosviz_row')
[docs]
@viewer_registry("mosviz-table-viewer", label="Table (Mosviz)")
class MosvizTableViewer(TableViewer, JdavizViewerMixin):
def __init__(self, session, *args, **kwargs):
super().__init__(session, *args, **kwargs)
self.figure_widget.observe(self._on_row_selected, names=['highlighted'])
# enable scrolling: # https://github.com/glue-viz/glue-jupyter/pull/287
self.widget_table.scrollable = True
self._selected_data = {}
self._shared_image = False
self.row_selection_in_progress = False
self._on_row_selected_begin = None
self._on_row_selected_end = None
@property
def _default_table_viewer_reference_name(self):
return self.jdaviz_helper._default_table_viewer_reference_name
@property
def _default_spectrum_viewer_reference_name(self):
return self.jdaviz_helper._default_spectrum_viewer_reference_name
@property
def _default_spectrum_2d_viewer_reference_name(self):
return self.jdaviz_helper._default_spectrum_2d_viewer_reference_name
@property
def _default_image_viewer_reference_name(self):
return self.jdaviz_helper._default_image_viewer_reference_name
[docs]
def redraw(self):
# Overload to hide components - we do this via overloading instead of
# checking for changes in self.figure_widget.data because some components
# might be added inplace to the dataset.
if self.figure_widget.data is None:
self.figure_widget.hidden_components = []
else:
components_str = [cid.label for cid in self.figure_widget.data.main_components]
hidden = []
for colname in ('Images', '1D Spectra', '2D Spectra'):
if colname in components_str:
hidden.append(self.figure_widget.data.id[colname])
self.figure_widget.hidden_components = hidden
super().redraw()
@property
def nrows(self):
return self.widget_table.get_state()['total_length']
@property
def current_row(self):
return self.widget_table.highlighted
[docs]
def select_row(self, n):
if n < 0 or n >= self.nrows:
raise ValueError("n must be between 0 and {}".format(self.nrows-1))
# compute and set the appropriate page
# NOTE: traitlets won't detect internal changes to a dict
options = self.widget_table.get_state()['options']
page = int(n / options['itemsPerPage']) + 1
if options['page'] != page:
self.widget_table.set_state({'options': {**options, 'page': page}})
self.widget_table.send_state()
# select and highlight the row
self.widget_table.highlighted = n
[docs]
def next_row(self):
current_row = self.current_row
new_row = 0 if current_row == self.nrows - 1 else current_row + 1
self.select_row(new_row)
[docs]
def prev_row(self):
current_row = self.current_row
new_row = self.nrows - 1 if current_row == 0 else current_row - 1
self.select_row(new_row)
def _on_row_selected(self, event):
if self._on_row_selected_begin:
self._on_row_selected_begin(event)
self.row_selection_in_progress = True
# Grab the index of the latest selected row
selected_index = event['new']
mos_data = self.session.data_collection['MOS Table']
# plugin data entries: select all in new row, deselect all others
for data_item in self.jdaviz_app.data_collection:
if data_item.meta.get('plugin') is not None:
if data_item.meta.get('mosviz_row') == selected_index:
self.session.hub.broadcast(AddDataToViewerMessage(
self._default_spectrum_viewer_reference_name, data_item.label, sender=self))
else:
self.session.hub.broadcast(RemoveDataFromViewerMessage(
self._default_spectrum_viewer_reference_name, data_item.label, sender=self))
for component in mos_data.components:
comp_data = mos_data.get_component(component).data
selected_data = comp_data[selected_index]
if component.label == '1D Spectra':
prev_data = self._selected_data.get(self._default_spectrum_viewer_reference_name)
if prev_data != selected_data:
if prev_data:
# This covers the cases where data is unit converted
# and the name is modified
all_prev_data = [x
for x in self.session.data_collection.labels
if prev_data in x]
for modified_prev_data in all_prev_data:
if modified_prev_data:
remove_data_from_viewer_message = RemoveDataFromViewerMessage(
self._default_spectrum_viewer_reference_name,
modified_prev_data, sender=self
)
# reset the counter in the spectrum viewer's color cycler
# so that the newly selected row is displayed in gray and
# future additions will have other colors:
spectrum_viewer = self.jdaviz_app.get_viewer(
self._default_spectrum_viewer_reference_name
)
spectrum_viewer.color_cycler.reset()
self.session.hub.broadcast(remove_data_from_viewer_message)
add_data_to_viewer_message = AddDataToViewerMessage(
self._default_spectrum_viewer_reference_name,
selected_data, sender=self
)
self.session.hub.broadcast(add_data_to_viewer_message)
self._selected_data[
self._default_spectrum_viewer_reference_name
] = selected_data
if component.label == '2D Spectra':
prev_data = self._selected_data.get(self._default_spectrum_2d_viewer_reference_name)
if prev_data != selected_data:
if prev_data:
remove_data_from_viewer_message = RemoveDataFromViewerMessage(
self._default_spectrum_2d_viewer_reference_name,
prev_data, sender=self
)
self.session.hub.broadcast(remove_data_from_viewer_message)
add_data_to_viewer_message = AddDataToViewerMessage(
self._default_spectrum_2d_viewer_reference_name,
selected_data, sender=self
)
self.session.hub.broadcast(add_data_to_viewer_message)
self._selected_data[
self._default_spectrum_2d_viewer_reference_name
] = selected_data
if component.label == 'Images':
prev_data = self._selected_data.get(self._default_image_viewer_reference_name)
if prev_data != selected_data:
if prev_data:
remove_data_from_viewer_message = RemoveDataFromViewerMessage(
self._default_image_viewer_reference_name, prev_data, sender=self)
self.session.hub.broadcast(remove_data_from_viewer_message)
add_data_to_viewer_message = AddDataToViewerMessage(
self._default_image_viewer_reference_name, selected_data, sender=self)
self.session.hub.broadcast(add_data_to_viewer_message)
self._selected_data[self._default_image_viewer_reference_name] = selected_data
message = TableClickMessage(selected_index=selected_index,
shared_image=self._shared_image,
sender=self)
self.session.hub.broadcast(message)
self.row_selection_in_progress = False
if self._on_row_selected_end:
self._on_row_selected_end(event)
[docs]
def set_plot_axes(self, *args, **kwargs):
return
