Add a new "catalog HiPS" imageset to the view.
Each catalog HiPS imageset is associated with a SpreadSheetLayer that is updated with dynamically-loaded data as the WWT camera moves around. This API adds this layer to the LayerManager and invokes the onLoad callback when the imageset's initial loading has completed.
The caller must ensure that the imageset argument actually does correspond to a "catalog HiPS" dataset.
Fetch the subset of catalog HiPS data contained within the current view.
The imageset should have been loaded with the addCatalogHips call. The limit parameter should almost always be true, since if false the data-fetch operation can potentially attempt to download and return gigabytes of data.
The catalog HiPS imageset to query
If true, limit the amount of data returned
A callback to be invoked when the data have been fetched.
Get a list of all active "catalog HiPS" imagesets.
These are the items that have been added with the addCatalogHips API.
The list of active catalog HiPS imagesets
Remove a "catalog HiPS" imageset from the view.
The argument must be an imageset previously passed to addCatalogHips.
The imageset to remove.
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The core state of the WWT rendering engine.
This class contains most of the information about the WWT camera, view configuration, and core datasets being rendered.
The Camera
Core Datasets
The Viewport