projectionist

Concise Oxford English Dictionary © 2008 Oxford University Press:
projection/prəˈʤekʃn/

▶noun

• 1 an estimate or forecast based on present trends.

• 2 the projecting of an image, sound, etc.

• 3 the presentation or promotion of someone or something in a particular way.

  ■ a mental image viewed as reality.

• 4 the unconscious transfer of one's own desires or emotions to another person.

• 5 a protruding thing.

• 6 a map or diagram made by projecting a given figure, area, etc.

– derivatives
projectionist noun.