As I set up keyframes, they are marked with red pellet-shaped markers on the timeline. These red markers appear when I select “Add keyframe”, so they are predictable.
Blue pellets are also appearing – seemingly spontaneously – on a lower tier of the timeline scale. Their effect seems to be that they turn onscreen objects off – visible objects may (or many not) become invisible as the animation progresses to and sweeps past a blue pellet.
The problem of sudden disappearance of objects can be fixed by deleting the blue pellets, or by right clicking a blue pellet – going into keyframe edit mode – and checking one or two of two check boxes labelled as “Visible.”
What are the blue pellets for? Why are they being peppered along the timeline? How can I assert control over what they do? Do we have a tutorial where blue pellets are explained?
I have Rhino 6 but still work in Rhino 5 for the most part. Maybe the older version of Rhino is a possible source of a problem?
Many thanks for your insights. Michael