Information about a selected source in the engine.
The values for right ascension and declination are given in radians.
name gives a string name for the source.
catalogLayer contains information about the layer, which varies
based on the layer type.
For a standard spreadsheet layer, see SpreadSheetLayerInfo
For a HiPS catalog, see ImagesetInfo.
layerData contains all of the associated data for the source,
which will depends on the contents of the particular catalog.
zoomDeg, if present, defines the FOV, in degrees, that WWT will
use when moving to the source.
Information about a selected source in the engine. The values for right ascension and declination are given in radians.
namegives a string name for the source.catalogLayercontains information about the layer, which varies based on the layer type. For a standard spreadsheet layer, see SpreadSheetLayerInfo For a HiPS catalog, see ImagesetInfo.layerDatacontains all of the associated data for the source, which will depends on the contents of the particular catalog.zoomDeg, if present, defines the FOV, in degrees, that WWT will use when moving to the source.