Building Footprints

Building footprints covering the City of Raleigh jurisdiction. Features are derived from annual aerial photography updates. This layer is updated for a quarter of the city every year and is not a depiction of current conditions. Update Frequency: Annually Time Period: Current覆盖罗利市（City of Raleigh）管辖范围的建筑基底轮廓（building footprints）。该要素集源自年度航空摄影更新数据。此图层每年仅更新全市四分之一的区域，且并非对当前实际状况的描绘。更新频率：每年；数据时间范围：当前。