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Laser Scanning for Cave Surveying and Visualisation Kevin Dixon CPC Geospatial 3D

Overview. Why ? Technology Issues Hardware Software Cave Surveying Summary. Why Laser Scan ?. Expensive 15k-90kBig, heavy (>10kgs) sensitive equipmentLots of batteries requiredTime consuming 1-4hr per detailed scanSo why do it ?3D realisationRecord the geological structureVis

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Laser Scanning for Cave Surveying and Visualisation Kevin Dixon CPC Geospatial 3D

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    1. Laser Scanning for Cave Surveying and Visualisation Kevin Dixon CPC Geospatial 3D

    2. Overview Why ? Technology Issues Hardware Software Cave Surveying Summary

    3. Why Laser Scan ? Expensive Ł15k-90k Big, heavy (>10kgs) sensitive equipment Lots of batteries required Time consuming 1-4hr per detailed scan So why do it ? 3D realisation Record the geological structure Visualise black holes Virtual cave exploration for non-cavers

    4. Laser Principles Light Amplification by Stimulated Emission of Radiation Gain medium is energy pumped to excite electrons to emit light which is amplified in optical cavity to produce a coherent light beam often at specific frequency Most common uses DVD/CD Players and Burners, Fibre-optic Communication Bar-code Readers, Laser Printers, Laser Pointers, Mouse Other uses Medical, dentistry, lightshow industrial cutting and marking Military target painting, ranging Directed energy weapon

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