投光照明：ポール高さ、遮光、および漏光制御

Render the floodlighting of a sports field at night with the light control as the subject. Show four tall lattice masts at the field corners, each carrying a horizontal head frame with a bank of LED floodlights, every fitting mounted with a deep external shield and a flat glass face aimed steeply down so no light escapes above the horizontal. Detail the effect precisely: the pitch reading as an evenly lit bright green plane with no visible hot spots or dark corners, the immediate surroundings falling off quickly to darkness, and the sky above completely black with no visible glow or beam. Show the neighbouring buildings beyond the fence sitting dark, their facades receiving almost nothing. Detail the masts themselves as dark silhouettes with only their fitting faces glowing, and a maintenance access ladder with a fall arrest rail. Include a control cabinet at the base of one mast and a cable duct route marked in the grass. Show a match in progress with players casting multiple soft shadows. Photorealistic, bright field against black sky, controlled, low three-quarter view.