Highland Township MrSID 2025
收藏Access Oakland2026-05-16 收录
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https://accessoakland-oakgov.opendata.arcgis.com/documents/oakgov::highland-township-mrsid-2025
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资源简介:
<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'. 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。本次提供的正射影像包含4波段(红(R)、绿(G)、蓝(B)、近红外(NIR)),每像素采用8位量化,分别以未压缩TIFF/TFW格式,以及压缩比20:1的第三代3波段(红、绿、蓝)MrSID镶嵌数据集形式交付。该数据于2025年4月27日至5月12日期间,以15700英尺的平均海平面高度(AMSL),使用UltraCam Osprey M3相机完成航空拍摄,符合美国摄影测量与遥感学会(ASPRS)精度标准中针对1英寸=50英尺比例尺的1级大比例尺地图精度要求。本正射影像采用密歇根州南州平面坐标系、北美83坐标系(NAD83)及国际英尺单位进行发布。
提供机构:
Oakland County, Michigan



