Image mosaic sample from March 14, 2019

For users considering using a image mosaic for overlay without downloading all 30 GB of image mosaics. The orthomosaics are produced from overlapping UAS imagery (80% side/front overlap) with photogrammetic processing to create a mosaic without distortion. It is provided in .Tif format with a resolution around 3-4 cm. Coordinates are in WGS 1984 UTM Zone 4 (EPSG:32604)针对仅需使用影像镶嵌图进行叠加、无需下载全部30GB影像镶嵌数据集的用户，本数据集提供的正射影像镶嵌图（orthomosaic）由旁向与航向重叠率均达80%的无人机航摄系统（Unmanned Aircraft System, UAS）航摄影像经摄影测量处理生成，无几何畸变。该数据集采用.Tif格式存储，空间分辨率约为3-4厘米，坐标系采用WGS 1984 UTM第4带（EPSG:32604）