An Alternative Method for Long-Term Monitoring of Thai Historic Pagodas Based on Terrestrial Laser Scanning Data: A Case Study of Wat Krachee in Ayutthaya

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Effective range</td><td class="align_center">0.6 m to 330 m</td></tr><tr><td class="align_left">Field of view (vertical/horizontal)</td><td class="align_center">300°/360°</td></tr><tr><td class="align_left">Measurement speed</td><td class="align_center">Up to 976,000 points per second</td></tr><tr><td class="align_left">Laser class</td><td class="align_center">Laser class1</td></tr><tr><td class="align_left">Wavelength</td><td class="align_center">1550 nm</td></tr><tr><td class="align_left">Beam diameter at the exit</td><td class="align_center">2.25 mm</td></tr><tr><td class="align_left">Ranging error</td><td class="align_center">±2 mm at 25 m</td></tr><tr><td class="align_left">Resolution</td><td class="align_center">Up to 710.7 million points per scan</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance specifications of the terrestrial laser scanner used in this study.</div>

Advances in Civil Engineering

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Table 2: An Alternative Method for Long-Term Monitoring of Thai Historic Pagodas Based on Terrestrial Laser Scanning Data: A Case Study of Wat Krachee in Ayutthaya 

Table 2 | An Alternative Method for Long-Term Monitoring of Thai Historic Pagodas Based on Terrestrial Laser Scanning Data: A Case Study of Wat Krachee in Ayutthaya 