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Transcript

  • 1. Total Station Lecture
  • 2. Components of a Total Station EDM Electronic theodolite On-Board Micro-processor Data Collector (built in or separate unit) Data Storage (internal or memory card) Prisms
  • 3. Micro-processor• Averages multiple angle measurements• Averages multiple distance measurements• Computes horizontal and vertical distances• Corrections for temp, pressure and humidity• Computes inverses, polars, resections• Computes X, Y and Z coordinates A “RESECTION” P B
  • 4. SpecificationsRange Reflectorless –> 3 – 70 meters Single Prism -> 1 – 2000 m Triple Prism -> 1 – 2200 mAccuracy Angles –> 1 - 5” Distance –> 3mm + 2ppm (prism) -> 4mm + 3ppm (reflectorless)Data Storage 2000 – 4000 points
  • 5. Field to Finish Operation Memory card USB and Compact Flash Automatic target Transfer remotely recognition Final Comps, (radio/cell phone)Control/operation Measurement checks and (robotic) and basic comps outputs
  • 6. Continuing Evolution of Measurement Technologies Leica Smartstation Topcon Imaging TS Merging TS and GPS Merging TS and LidarBroadcast ofReal-TimeCorrections Terrestrial Photogrammetry? GoogleEarth High Resolution Satellite Imagery