Orthophoto of the Czech Republic - Srní 3-1

Digital seemingly seamless orthophoto of the Czech Republic in a 8-bit color scale. The pixel of the raster image Ortofota ČR displays 0.200 m (band „East), resp. 0.125 m ("West" zone) of the area in the middle plane of the terrain. The orthophoto of the Czech Republic is constantly improving its positional accuracy characterized by a mean positional error, this error ranged from 0.20 to 0.21 m in the years 2019 - 2020. The evaluation of the accuracy of the orthophoto of the Czech Republic in 2021 has not yet been completed. Orthofoto ČR is distributed in graphic raster formats JPG in dispensing units with a size showing 2.5 x 2 km of terrain in the SM 5 clade.本数据集为捷克共和国数字化视觉无缝正射影像（orthophoto），采用8位色彩深度。捷克正射影像（Ortofota ČR）的栅格图像，其地面采样距离在地形中平面上分别为："东部"波段0.200米，"西部"区域0.125米。该捷克正射影像的位置精度持续提升，以平均位置误差作为精度表征指标；2019至2020年间，其平均位置误差区间为0.20至0.21米。2021年该正射影像的精度评估工作尚未完成。捷克正射影像（Orthofoto ČR）以JPG图形栅格格式进行分发，每个分发单元的尺寸对应实地2.5×2千米的范围，归属SM 5类。