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Surveying

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2 domain-specific abstractions whose origin domain is Surveying.

  • Optical Square — A fixed right-angle optical-transfer instrument that turns one sight line or beam through a nominal 90 degrees and exposes perpendicularity through image coincidence or a null comparison rather than a graduated-angle reading.
  • Traverse (surveying) — A surveying method that determines a sequence of control stations from measured distances and directions along connected lines.