Orthophoto Flaum Storelva Utvik 2017

Orthophoto has the same geometric properties as a map and can be linked to a reference system. Orthophotos are divided into different orthophoto standards suitable for different purposes. “Rectified aerial images” is usually a temporary product, which is used during the control of the map design. They are therefore of poorer quality than final orthophotos. Rectified aerial images are replaced by final orthophotos when these are produced from the construction images. Ground resolution ranges from 0.04 m – 0.20 m.正射影像（Orthophoto）具有与地图一致的几何特性，可与参考坐标系关联。正射影像依据不同应用需求，可划分为多种适配的标准规范。校正航空影像（Rectified aerial images）通常属于临时产物，仅用于地图设计的管控流程，因此其成像质量较最终版正射影像稍差。当基于施工影像生成最终版正射影像后，校正航空影像将被替代。该类数据的地面分辨率范围为0.04米至0.20米。