Orthophoto has the same geometric properties as a map for all objects located at ground level and can be linked to a reference system. Ground resolution of orthophoto varies and is stated in the metad
This data set estimates feature heights above the ground surface, and is one of a suite of topographic datasets available from NH GRANIT that convey the shape of the Earth's surface.
New Hampshire Geospatial Data Portal2025-02-28 更新30
