Abstract
High definition laser scanning is a non-invasive, non-destructive method for recording a 3D digital image of a building. This technology has seen an exponential increase in its accuracy, speed and data collecting capacity over the past five years. Difficulties in processing the large files created from point cloud scanning have been reduced with advances in computer technology such as 64-bit processing and mega-gig video cards. Programs have been developed which allow the utilization of the data within CAD programs typically used in the design industry.Through case studies and examples, this paper illustrates how 3D laser scanning technology can be used to map planar variations in ceiling and floor surfaces, and masonry façades, and provide evidence of possible structural shifts or deterioration not apparent through traditional visual inspection and measurement methods.
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