Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. analysis and testing techniques
6. measuring
7. photogrammetry

Anotations

Scope note:

Technique of using photographs to measure, survey, or map the Earth's surface, specifically employing aerial photographs, which are photographs obtained by cameras mounted on aircraft, rockets, or Earth-orbiting satellites and other spacecraft. The technique typically uses an overlapping series of photographs taken from an aircraft following a systematic flight pattern at a fixed altitude.