Abstract
Abstract. 3D geospatial information systems should provide efficient spatial analysis tools and able to use all capabilities of the third dimension, and a visualization. Currently, many human activities make steps toward the third dimension like land use, urban and landscape planning, cadastre, environmental monitoring, transportation monitoring, real estate market, military applications, etc. To reflect this trend, the Korean government has been started to construct the 3D geospatial data and service platform. Since the geospatial information was introduced in Korea, the construction of geospatial information (3D geospatial information, digital maps, aerial photographs, ortho photographs, etc.) has been led by the central government. The purpose of this study is to introduce the Korean government-lead 3D geospatial information web-based service for the people who interested in this industry and we would like to introduce not only the present conditions of constructed 3D geospatial data but methodologies and applications of 3D geospatial information. About 15% (about 3,278.74 km2) of the total urban area's 3D geospatial data have been constructed by the national geographic information institute (NGII) of Korea from 2005 to 2012. Especially in six metropolitan cities and Dokdo (island belongs to Korea) on level of detail (LOD) 4 which is photo-realistic textured 3D models including corresponding ortho photographs were constructed in 2012. In this paper, we represented web-based 3D map service system composition and infrastructure and comparison of V-world with Google Earth service will be presented. We also represented Open API based service cases and discussed about the protection of location privacy when we construct 3D indoor building models. In order to prevent an invasion of privacy, we processed image blurring, elimination and camouflage. The importance of public-private cooperation and advanced geospatial information policy is emphasized in Korea. Thus, the progress of spatial information industry of Korea is expected in the near future.
Highlights
The purpose of this study is introducing the national lead 3D geospatial information web-based service of Korea for the people who interested in this industry
Since the geospatial information was introduced in Korea, the constructions of geospatial information such as 3D data, digital maps, aerial photographs, digital ortho photographs, etc. have been led by the central government
Since the geospatial information was introduced in Korea, the construction of geospatial information (3D geospatial information, digital maps, aerial photographs, ortho photographs, etc.) has been led by the government
Summary
The purpose of this study is introducing the national lead 3D geospatial information web-based service of Korea for the people who interested in this industry. In order to use of geospatial information in national administrative and private industries fields, data sharing attribute and convergence are essential. To solve this problem, The Korean government adopted 3D geospatial information web platform and developed open API. National 3D geospatial information can use basic infrastructure to make policies like military application, urban planning, culture & tourism, location based service, etc. The third is job creation and revitalization of spatial information industry Those plans are based on the government’s key policy direction of the Park administration
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