When at a funeral many times the corpse is on display for a while. Seeing them as they were when they died can be a shock.
A switch allowing viewers to choose an alternate hologram or other projection of how the deceased looked when healthy is the objective.
Those who stopped by to be sure the
corpse was really dead could still have all the gruesome detail.
I forget how "The picture of Dorian Grey" ends. But in any case a life like model or 3d projection and not 2d is proposed.