Jefferson County KY Buildings with Building Heights

The BG theme represents roofline boundaries of manmade structures identifiable from aerial photography. A building is a manmade structure which may be habitable by human beings, animals or which stores materials and is at a minimum 10' x 10' in roof top area. A building may house a variety of activities at one time, or sequentially over its life. A feature classified as building but not having a roof (silo, tank or water tower) will show outline of the features shape. Planimetric and Topographic mapping of Jefferson , Kentucky. The Jefferson County layers use the Horizontal 1983 North American Datum, Kentucky State Plane North Zone. New data was digitized by NV5 in Spring 2025 using recently acquired imagery from Spring 2024. Information on Building Height Attributes: Minimum Height – Feet: Minimum Height Feet calculated from Z_Max height (feet) Maximum Height – Feet: Maximum Height Meters calculated from Z_Max height (feet) Average Height – Feet: Average Height Feet calculated from Z_Max height (feet) SArea or Surface_Area: 3D surface area for the region defined by each polygon. Min_Slope: Slope value closest to zero within the area defined by the polygon. Max_Slope: Highest slope value along the line or within the area defined by the polygon. Avg_slope - Average slope value within the area defined by the polygon. Maximum Height Meters - Max Height Meters calculated from Z_Max height (feet)BG主题（BG theme）代表可通过航空摄影识别的人工建筑屋顶轮廓边界。 建筑物指可供人类、动物居住，或用于存放物料的人工建筑，其屋顶面积至少为10英尺×10英尺。 同一建筑物可同时开展多种活动，或在其使用周期内依次开展不同活动。 被归类为建筑物但无屋顶的地物（如筒仓、储槽或水塔），将显示其自身形状的轮廓。 本数据集为肯塔基州杰斐逊县的平面与地形测绘成果。 杰斐逊县的图层采用1983北美水平基准面（NAD83）以及肯塔基州平面坐标系北带。 2025年春季，NV5公司利用2024年春季获取的最新影像对新数据进行了数字化处理。 建筑物高度属性信息如下： 最小高度（英尺）：由Z_Max高度（英尺）计算得到的最小高度值 最大高度（英尺）：由Z_Max高度（英尺）计算得到的米制最大高度值 平均高度（英尺）：由Z_Max高度（英尺）计算得到的平均高度值 SArea（或Surface_Area）：每个多边形所定义区域的三维表面积 最小坡度（Min_Slope）：多边形定义区域内最接近零的坡度值 最大坡度（Max_Slope）：沿线或多边形定义区域内的最高坡度值 平均坡度（Avg_slope）：多边形定义区域内的平均坡度值 最大高度（米）：由Z_Max高度（英尺）计算得到的米制最大高度值。