Holly Township MrSID 2025

<p><span>This metadata record describes the 0.25-foot pixel resolution digital orthoimagery produced for Oakland County, MI by the Sanborn Map Company. The orthoimagery provided is 4-band (R, G, B, NIR), 8-bit per pixel and delivered in uncompressed TIFF/TFW format and compressed 3-band (R, G, B) MrSID mosaics (20:1, Gen3). The data was flown between April 27th and May 12th, 2025 at an altitude of 15700 feet (AMSL) using an UltraCam Osprey M3 camera and complies with the American Society for Photogrammetry and Remote Sensing Accuracy Standards (ASPRS) for Class 1, large scale maps at 1" = 50'.&nbsp; This orthoimagery is published in Michigan South State Plane, NAD83, International foot.</span></p>本元数据记录详细描述了由桑伯恩地图公司（Sanborn Map Company）为密歇根州奥克兰县制作的0.25英尺像素分辨率数字正射影像数据集。本次交付的正射影像包含两类格式：一类为4波段（红、绿、蓝、近红外）、每像素8位的未压缩TIFF/TFW格式文件；另一类为压缩比20:1的第3代3波段（红、绿、蓝）MrSID镶嵌影像。该数据采集于2025年4月27日至5月12日期间，飞行高度为平均海平面以上15700英尺（AMSL），使用UltraCam Osprey M3相机完成拍摄，且符合美国摄影测量与遥感学会（ASPRS）针对1英寸对应50英尺的一级大比例尺地图精度标准。本正射影像采用密歇根州南部州平面坐标系（NAD83，国际英尺）发布。