Directions to illuminate objects evenly, using it to simulate the best bulbs and candles.
Main application: billboards, highways, railways, tunnels, bridges and culverts, squares, buildings and other
Omni: the floodlight is a uniform light in all directions "point source", its exposure range can be adjusted, you can have a projecting shadows on objects. Floodlight is most widely used in the effect of a light source, "standard floodlight" used to illuminate the scene, no specific range. Scenarios can be used Omni coordinating role, with the emergence of better results. To note is that floodlights cannot build too much, otherwise the picture will seem bland and dull. So in the usual picture-making, more attention to the experience of lighting parameters and layout effects on the entire rendering scenes of light, accumulate more experience, having the right lighting combination techniques