candidate.weight = 1.0 / distance to candidate
As he yelled, the camera zoomed in on the hand of his daughter's fiancé, the wheelchair-bound billionaire and the male lead. His fingers moved ever so slightly.
，这一点在safew官方下载中也有详细论述
Collins had to pilot the shuttle through a 360 degree flip while flying beneath the International Space Station. It allowed colleagues on the orbiting lab to photograph the craft's underside and check if the heatshield had been breached.
An animated sequence quantised using error-diffusion dithering. Note the jittering artifacts present in the background.