MastAladin#

class mast_aladin.MastAladin(*args: t.Any, **kwargs: t.Any)[source]#

Bases: Aladin, DelayUntilRendered

An Aladin-lite widget with enhanced support for datasets from MAST, built on top of ipyaladin.widget.Aladin.

Public constructor

Methods Summary

`add_asdf`(asdf, **image_options)	Load an ASDF image into the widget.
`add_fits`(f[, extension])	Load a FITS image into the widget.
`get_viewport_region`([center])	Return a `regions.PolygonSkyRegion` representing the perimeter of the MastAladin viewport.
`load_table`(table[, load_footprints, ...])

Methods Documentation

add_asdf(asdf, **image_options)[source]#

Load an ASDF image into the widget.

Parameters:

asdf (Union[str or Path-like, rdd]) – The ASDF image to load in the widget. It can be given as a path (either a string or as a roman_datamodels.datamodels._datamodels.ImageModel).
image_options (any) – The options for the image. See the Aladin Lite image options

add_fits(f, extension=1, **image_options)[source]#

Load a FITS image into the widget.

Parameters:

f (Union[str, Path, HDUList]) – The FITS image to load in the widget. It can be given as a path (either a string or a pathlib.Path object), or as an astropy.io.fits.HDUList.
extension (int, optional) – FITS extension containing the image data to load. Default is 1.
image_options (any) –
The options for the image. See the Aladin Lite image options

get_viewport_region(center=False)[source]#

Return a regions.PolygonSkyRegion representing the perimeter of the MastAladin viewport.

Parameters:: center (bool, optional) – If False (default), return a region where the vertices are the the outer corners of the corner pixels; otherwise the vertices will be the corner pixel centers.
Returns:: Region with vertices representing the corners of the current field of view in the viewport.
Return type:: regions.PolygonSkyRegion

load_table(table, load_footprints=True, update_viewport=True, unique_column=None)[source]#