Cyrax (HDS system)
Encyclopedia
Cyrax is a line of High Definition Survey
3D scanner
A 3D scanner is a device that analyzes a real-world object or environment to collect data on its shape and possibly its appearance . The collected data can then be used to construct digital, three dimensional models....

 systems. They are portable scanning systems mostly based on time-of-flight technology. Civil engineers (and Cyrax founders) Ben Kacyra and Jerry Dimsdale invented and patented the technology in 1998 http://training.esri.com/campus/library/Bibliography/RecordDetail.cfm?ID=7521&startrow=1&hidpage=1&browseonly=1&libsection=Magazines&BrowseCategory=GIM%20International.

This line of products is target to measures and models large scale structures like roads, buildings and terrain. Over 50 Cyrax systems are in use. Leica Geosystems
Leica Geosystems
Leica Geosystems based in eastern Switzerland produces products and systems for surveying and geographical measurement...

 purchased Cyra Technologies, maker of the Cyrax line in 2000. As such, Cyrax scanners have now been rebranded as Leica products. Ben Kacyra used much of his profit from selling the technology to Leica to start the non-profit CyArk
CyArk
CyArk is a 501 nonprofit organization located in Oakland, California, United States. The company's website refers to it as a "digital archive of the world’s heritage sites for preservation and education"...

 project, dedicated to utilizing scanning technology and hi-definition documentation to record works of cultural heritage
Cultural heritage
Cultural heritage is the legacy of physical artifacts and intangible attributes of a group or society that are inherited from past generations, maintained in the present and bestowed for the benefit of future generations...

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