Recreational Structures

Recreation contain polygons that represent features including basketball courts, hockey rinks, playgrounds, skate parks, swimming pools and tennis courts. These structures were reviewed and updated from 2024 aerial photography observation and interpretation using stereo processing techniques.休闲场地（Recreation）数据集包含多个多边形要素，用以表征篮球场、冰球场、游乐场地、滑板公园、游泳池及网球场等场地设施。上述设施要素系通过立体处理技术，对2024年航空摄影资料开展观测与解译后完成审核与更新的。