-> ESP DESCRIPTION:. UGIS (UrbanGraffitiInteractiveSimulation) is a digital graffiti system that captures some specific physical source [laser, cellular, wiimote] and synthesizes it simulating being a spray on a surface. UGIS is based on 4 fundamental characteristics: 1. Multiplicity of elements to be used as a spray [laser, cellular, wiimote, etc.] 2. Freedom in the field of projection. Being abl