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3D Tile Application Method for Improvement of Performance of V-world 3D Map Service
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브이월드 3D 지도 서비스 성능 향상을 위한 3D 타일 적용 방안 연구

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Type
Academic journal
Author
Journal
Korea Spatial Information Society Journal of Korean Society for Geospatial Information Science Vol.25 No.1 (Wn.79) KCI Accredited Journals
Published
2017.3
Pages
55 - 61 (7page)
DOI
10.7319/kogsis.2017.25.1.055

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3D Tile Application Method for Improvement of Performance of V-world 3D Map Service
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The V-world, korean type spatial information open platform, provides various services to easily utilize 2D, 3D map and administrative information of the country. Among them, V-world 3D map service, modeled in individual building unit, require requests for each building model file and the draw calls for drawing models on the screen by the request. This causes a large number of model requests and draw calls to occur that increase the latency occurring during the transmission and conversion process between the central processing unit(CPU) and the graphic processing unit(GPU), which lead to the performance degradation of the 3D map service. In this paper, we propose a performance improvement plan to reduce the performance degradation of 3D map service caused by multiple model requests and draw calls. Therefore, we tried to reduce the number of requests and draw calls for the model file by applying a 3D tile model that combined multiple building models to single tile. In addition, we applied the quadtree algorithm to reduce the time required to load the model file by shortening the retrieval time of the model. This is expected to contribute to improving the performance of 3D map service of V-world.
#브이월드 #공간정보 오픈플랫폼 #3차원 타일 #쿼드트리 #V-world #Spatial Information Open Platform #3D Tile #Quadtree

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Abstract
1. 서론
2. 관련연구
3. 실험 및 결과
4. 결론
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References (14)

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[학술지(정기간행물)] - Evans, A. / 2014 / 3D graphics on the web: a survey / Computers & Graphics 41 : 43 ~ 61 google schola [학술지(정기간행물)] - Finkel, R. A. / 1974 / Quad trees a data structure for retrieval on composite keys / Acta Informatica 4 (1) : 1 ~ 9 google schola [학술지(정기간행물)] - Gröger, G. / 2012 / CityGML–Interoperable semantic 3D city models / ISPRS Journal of Photogrammetry and Remote Sensing 71 : 12 ~ 33 google schola [인터넷자원] - Mapbox / / Vector tiles / Mapbox google schola [인터넷자원] - Ministry of Land, Infrastructure and Transport / / V-world google schola

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UCI(KEPA) : I410-ECN-0101-2017-452-002294810