A mesh's display and its setter (store.setDisplay). The toggle-button
pattern is pressed = state.desired.coloring !== null, with
busy = state.status === "computing". A mesh not in the store (removed,
or rendered on the server) reads as REMOVED_MESH_STATE: "idle",
default display. The setter throws UNKNOWN_MESH for such a mesh.
A mesh's display and its setter (
store.setDisplay). The toggle-button pattern ispressed = state.desired.coloring !== null, withbusy = state.status === "computing". A mesh not in the store (removed, or rendered on the server) reads asREMOVED_MESH_STATE:"idle", default display. The setter throwsUNKNOWN_MESHfor such a mesh.