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Extracting from Point Clouds

Points, Lines, Surfaces, Features and Models
"Extracting Points, Lines, Surfaces, Features & Models from Point Clouds," was published in the September 2004 issue of the Professional Surveyor magazine and written by Geoff Jacobs.
"In an earlier, introductory article on high-definition surveying (3D laser scanning), it was pointed out that its single most important, distinguishing feature is its high point density (May 2004). Other key features—high-speed data capture, reflectorless measurement, 3D visualization, and colorful imagery—can be considered bonus by-products of the technology's focus on economically capturing a site or structure with high point density. The potential advantages of dense point data, such as creating more complete and accurate as-builts, have also been covered in earlier articles (May, July, and August 2004). High point density, however, raises some interesting new questions—and opportunities— regarding the task of extracting traditional deliverables."

To read more of "Extracting Points, Lines, Surfaces, Features Models from Point Clouds," download the PDF from Professional Surveyor below:


 
 

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