Niagara Falls Building Footprints 2010

This spatial data set contains polygons representing the outline of the buildings in Niagara Falls. It is based on ortho imagery flown in 2010, and other sources. Attributes include the date collected (COLLECTED), building area and height of the highest point on the building(s) represented by the footprint (MAX_Z). This data set is not updated by the City of Niagara Falls. New deliveries of this dataset are provided by the Region when available (not annually).本空间数据集包含用于表示尼亚加拉瀑布市（Niagara Falls）建筑物轮廓的面要素多边形。该数据集基于2010年航拍正射影像及其他数据源构建。其属性字段涵盖采集日期（COLLECTED）、建筑面积，以及该建筑基底范围所代表的建筑物的最高点高程（MAX_Z）。本数据集未由尼亚加拉瀑布市进行更新维护。当有可用数据时，由所在地区提供本数据集的新版本交付包，更新周期并非每年一次。