The layer opacity, between 0 and 1.
Return the data in this table that are within the current camera view, as tab-separated values with Windows (\r\n) newlines. All columns defined in the table header are returned.
This function is useful for HiPS catalog layers, which will responsively update their contents as the camera moves around. You can use this function to enable workflows where the user interactively zooms in on an area of interest, then wishes to "export" the selected data for further analysis.
The data, as tab-separated values with Windows (\r\n) newlines.
Set a filter to allow masking a subset of the layer's points. At a low level, setting a filter writes to a separate WebGL buffer that stores the layer's mask. This means that setting a filter does not involve re-creating the primary buffer. Due to the practical impossibility of serializing an arbitrary JavaScript function, the filter will not be serialized with the layer.
The filter function that determines which points are rendered. Only points for which the filter returns true are rendered.
Whether the filter should be evaluated once when set (false) or on each frame (true)
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A tabular data layer.