sentences:  Borrowing the technique used in weather forecasts, Child devised a large blue room, which was set up in Studio A of Anglia Studios.The advanced computer graphic environments were created by the Travelling Matte Company using a Spaceward SuperNova computer.Travelling Matte was owned by set designer Robert Harris, who had trained at Central Saint Martin's in stage design and had been working with John Peyre at BBC TV when "The Hitchhiker's Guide to the Galaxy" started to blend digital images with real world studio scenery.