It is the shadow that gives rise to the undulation of the facade，So，Lighting should always provide an image of the surface，Lighting directed at the facade at the right Angle will not create shadows，The size of the shadow that makes the surface appear flat depends on the surface undulation and the incidence Angle of the light.
Floodlighting is lighting that makes an outdoor target or site brighter than its surroundings 。A way of lighting the outside of a thing。The purpose of floodlighting is varied ，One is to be safe or to be able to work at night ，Such as car parks , freight yards,etc；The second is to highlight statues,signs or buildings in the dark In the decorative lighting of a building ,It is as much light as possible，With little or no discomfort glare，The art of architecture is fully embodied。In the building flood lighting design ，Should choose illuminant and lamps and lanterns according to the material of building suiface ,smooth degree and modelling 。The position of the lamps is as close as possible to the shop label or upholstery。
Overview of flight aid lighting on helipad: it is an engineering facility in and near the helipad flight area to provide pilots with visual guidance signals for takeoff, approach, landing and taxiing day and night. It is generally composed of pavement signs, navigational lights, signboards, signs, etc. Its complexity and simplicity and layout form are based on the plane layout of the apron. It is determined by flight volume, meteorological standard of receiving aircraft and content and precision of radio navigation facilities used together.
