// List to hold gradient stopsvariable tRampputtheempty list into tRamp// First gradient stop is red at position 0push gradient stopat0withcolor [1,0,0] onto tRamp// Second stop is half-transparent green at position 0.5push gradient stopat0.5withcolor [0,1,0,0.5] onto tRamp// Third stop is blue at position 1push gradient stopat1withcolor [0,0,1] onto tRamp