The edge the point was snapped onto, in the frame of local, or null
The point in the model's millimetres as the viewer shows it, the version's alignment applied
The point in viewer coordinates, the frame of Annotation.position and Viewer3d.pick
The version of the model the point is on; null for a point on the reference grid
The point in the model's own millimetres, before the version's alignment: the input of Geometry3d.calculateAlignment. Exact for a version without an alignment
A point clicked in Viewer3d.selectVertex