To provide a tracking lighting system that can allow the light of a light projecting means to be tracked by an irradiation object with a simple operation.
A picture taking means 2 takes a picture of the image of an irradiation space including an irradiation object, an image display means 3 displays the image of the picture taking means 2 on a display screen. An operator instructs the irradiation object displayed on the display screen by means of an irradiation position instructing means 4 formed from a touch panel or a mouse pointer while watching the display screen of the image display means 3. A coordinate operation means 5 calculates the three-dimensional coordinates of the irradiation object instructed by the irradiation position instructing means 4 and an irradiation direction operation means 6 calculates the irradiation direction from the calculated value of the three dimensional coordinates of the irradiation object and the three-dimensional coordinates of the suspending position of a light projecting means 1. Then, the light projecting means 1 projects light in the irradiation direction calculated by the irradiation direction operation means 6.
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YOSHIDA MINORU
HAGIO KENICHI
KAWASHIMA JUICHI
