Build the "no visible points" LoadedPointsData payload. The empty payload still carries the dataset's ndim (from the chunk index when present, else 3) and totalPoints (from node.attrs.n_points) so downstream metrics don't read undefined.
LoadedPointsData
ndim
totalPoints
node.attrs.n_points
Build the "no visible points"
LoadedPointsDatapayload. The empty payload still carries the dataset'sndim(from the chunk index when present, else 3) andtotalPoints(fromnode.attrs.n_points) so downstream metrics don't read undefined.