Building Footprints

Buildings contain polygons that represent building features. Structures include both residential and non-residential buildings including skyways, decks and other outbuildings. These structures were reviewed and updated from 2024 aerial photography observation and interpretation using stereo processing techniques.建筑要素数据集包含用以表征各类建筑特征的多边形要素。此类建（构）筑物涵盖住宅建筑与非住宅建筑，包含空中连廊、平台及其他附属建筑。上述建（构）筑物均依托2024年航空摄影观测与解译成果，通过立体处理技术完成审核与更新。