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KOBAYASHI, Hideyuki (DR. Eng.)/ National Institute for Land and Infrastructure Management

3D Archiving Houses and Settlements -Alternative Technologies to support Lasting Diachronic Memory-. Lib1. Housing Stock and Service Life Time. Recording phase (now). Importance of Subscribing Records, as Housing Policy Issue.

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KOBAYASHI, Hideyuki (DR. Eng.)/ National Institute for Land and Infrastructure Management

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  1. 3D Archiving Houses and Settlements-Alternative Technologies to support Lasting Diachronic Memory- Lib1 Housing Stock and Service Life Time Recording phase (now) Importance of Subscribing Records, as Housing Policy Issue Since 1950’s, housing stock increased, and also their service life time has become longer. Consequently, market of second hand house is extending. Quality control (safety, energy, etc.) of old houses is a new social demand. KOBAYASHI, Hideyuki (DR. Eng.)/ National Institute for Land and Infrastructure Management Preserved Data • History of initial construction and later alteration. • Important attributes related to the value of asset. • Specification and performance indexes. • Structure and material of invisible parts. • ------------------------------------------------------------------- The question is: ‘How IT can support the preservation of such data and information for the lifetime (over 100 years) ?’. metafile Converter executable Lib2 Lib3 compiler Request metafile Attached metafile Converter executable SQL server (storage) Preserved Data Requested Data Usage Replaying phase (future) OS Organizations keep permanent data Short life of Digital Data:Reality in Last Decades LibX Lib2 Case of Hokkaido Building Guidance Center: providing service to keep data of qualified houses, using 3 CD-Rs which are kept at the center, the client and the contractor, that must be replaced every 10 years. Also, data center is used to keep the same data. 1980-90’s 1970’s ？ Various 3D data formats widely used http://sim.nilim.go.jp/MCS/phi (in Japanese) Electronic Recording Board Role of Virtual Converter: metafile compiler ‘Munafuda’ is a pentagonal timber plate recording a building’s basic data and attached to the lower side of the highest beam of the building. Alternative long-life recording materials are alternatively proposed for future. Data file, metafile and ID to the virtual converter used is recorded in the digital recording area, and kept safely without energy consumption. Diachronic Use of 3D data Data Conversion and Storage on Server Permanent archiving memory of disasters Simulations before/after reconstruction Converter executable Datasynthesisand3D archiving Dataaccessandreproducing Literal & numerical data. Downloading Uploading Application to settlements in Okushiri Island destroyed by tunami in 1983 and 1993.

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