• Title/Summary/Keyword: Spatial data construction

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A Construction Strategy of Spatial Data Warehouse for New & Renewable Energy (신재생에너지 공간 Data Warehouse 구축전략)

  • Kim, Kwang-Deuk;Yoon, Chang-Youl;Park, Jook-Hyuk
    • 한국태양에너지학회:학술대회논문집
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    • 2008.11a
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    • pp.337-340
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    • 2008
  • As a 'Construction of Information System on GIS based and Resource Map', establish the strategic of design about construction of Spatial Data Warehouse for New & Renewable Energy For Construction of comfortable Spatial Data Warehouse, It suggested The Construction of Spatial Data Warehouse on Block(Grid) Based with Analyze into the old Data & Method of Study. For Decide the Block(Grid) Size, We need The Study of Data & Method. Also, we expect Standardize The Process of Change & Apply with Data. make the best use of New & Renewable Energy Part

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The Establishment of the Quality Management Method for Spatial Data Construction Process (공간데이터 제작과정의 품질관리방법 정립에 관한 연구)

  • Choi, Byoung-Gil;Cho, Kwang-Hee;Lee, Kwang-Won
    • Journal of Korean Society for Geospatial Information Science
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    • v.13 no.3 s.33
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    • pp.3-13
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    • 2005
  • This study aims to establish the quality management method for spatial data construction process. Total 17 regulations related to spatial database construction and major aerial survey firms were analyzed in terms of working process, equipments, accuracy of results. It is standardized the process of making new digital maps using aerial photography, revising existing digital maps, producing digital elevation models and developing imagery maps. Quality checking factors for spatial data construction process are also established.

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A Study on the Weight Lightening Algorithm of 3-Dimensional Large Object based on Spatial Data LOD (공간데이터 LOD 기반 3차원 대용량 객체의 경량화 알고리즘 연구)

  • Na, Joon Yeop;Hong, Chang Hee
    • Spatial Information Research
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    • v.21 no.6
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    • pp.1-9
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    • 2013
  • Recently, Construction information is being changed from CAD to BIM, and GIS is extending from outdoor to indoor information. In these circumstances, the needs of continuous use of construction information linked with GIS are growing constantly in stages of maintenance, operation and service as well as planning, design and construction. To this end, it is essential element to represent 3-dimensional large object efficiently in establishing BIM-GIS interoperability platform by combination of construction and spatial information. In this study, we design spatial data LOD for making spatial object and texture by level, and develop weight lightening algorithm of large spatial object.

A Management System for the Process and Metadata of Spatial Data Construction (공간데이터 구축공정 및 이력 관리시스템 개발)

  • 최병길;조광희;이형수;조태인
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2004.11a
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    • pp.355-360
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    • 2004
  • This study is aimed at developing the system to manage the process and metadata of spatial data construction. The process of spatial data construction is standardized by analyzing knowhow of major firms and the provisions of MOCT(Ministry of the Construction and Transportation), and by appling the development methodology of information system. The system from this study has the capability to manage efficiently the process and metadata of spatial data construction. The process is shown by using index map. Also, it is shown by using Gantt chart and PERT chat after developing the interface for MS Project. The metadata is generated from the process, and managed systematically.

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Development of Roadside Facility Management System with Video GIS Technology

  • Joo, In-Hak;Nam, Kwang-Woo;Yoo, Jae-Jun;Lee, Jong-Hun
    • Proceedings of the KSRS Conference
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    • 2002.10a
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    • pp.169-174
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    • 2002
  • In this paper, we suggest a new spatial information system called video GIS where video is used for spatial data construction and is integrated with map. We develop a prototype system of video GIS and apply it to roadside facility management. The main functions supported by the suggested system are data collection, coordinate calculation and conversion, data construction, analysis, searching, and browsing. The stereo images and corresponding position data are collected by a vehicle named 4S-Van that has GPS, IMU, and cameras. The 3-D coordinates of the objects in the images, such as road sign, signal lamp, and building, can be calculated and constructed from the collected data. The spatial objects are displayed on both image and map, and can be searched and browsed, which enables visual and realistic browsing and management of spatial objects. Compared to conventional field survey used in roadside facility management, the method enables faster, easier, and more efficient construction of spatial data. The suggested video GIS can be applied not only to roadside facility management but also to many similar projects of central or local governments that are related to GIS.

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Standardization of the Work Classification System in Spatial Data Construction - Laying Stress on the Basic Surveying - (공간데이터 구축의 공종분류체계 표준화 - 기본측량을 중심으로 -)

  • Choi, Byoung-Gil;Cho, Kwang-Hee;Kim, Sung-Soo
    • Journal of Korean Society for Geospatial Information Science
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    • v.14 no.2 s.36
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    • pp.69-75
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    • 2006
  • This study aims to standardize the work classification system in spatial data. It is the base frame to classify the general information systematically in spatial data construction process. Work process of the surveying firm and rules for basic surveying which is being accomplished in the NGII(National Geographic Information Institute) are investigated and analysed. Therefore, types, individual process, and results of surveying work is standardized. If the work classification system from this study is adopted as the national standard and is also advanced by construction methodology, the spatial data will be managed futuristically and systematically.

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A Study on the Construction of the Framework Spatial DB for Developing Watershed Management System Based on River Network (하천 네트워크 기반의 유역관리시스템 개발을 위한 프레임워크 공간 DB 구축에 관한 연구)

  • Kim, Kyung-Tak;Choi, Yun-Seok;Kim, Joo-Hun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.7 no.2
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    • pp.87-96
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    • 2004
  • When watershed spatial database is constructed from DEM, hydrological geographic characteristics of watershed can be easily extracted. And the characteristics can be assigned and managed as the attribute of spatial database. In this study the scheme of constructing framework spatial database which is basic information for managing watershed information is examined. We established framework spatial data and defined the relationship of the data. And framework spatial database of test site was constructed. In this study, HyGIS(Hydrological Geographic Information System) which is developed by domestic technology for making hydrological spatial data and developing water resources system is used. Hydrological geographic characteristics and spatial data is extracted by HyGIS. And the data from HyGIS is used for constructing framework spatial database of test site. Finally, this study suggests the strategy of constructing framework spatial database for developing watershed management system based on river network.

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3D Spatial Information Acquisition for Construction Operation and Maintenance on a Construction Site (효율적인 건설공사와 유지관리를 위한 건설현장에서의 3차원 공간 정보 획득)

  • Kim, Chang-Wan
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2004.11a
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    • pp.188-193
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    • 2004
  • 3D spatial-modeling can be used in various safety-enhancement applications and for as-built data acquisition in project-control systems. The objective of the research reported herein was to provide spatial-modeling methods that represent construction sites in an efficient manner and to validate the proposed methods by testing them in an actual construction environment. Algorithms to construct construction-site scenes and to carry out coordinate transformations in order to merge data from different acquisition locations are presented. Field experiments were conducted to establish performance parameters and validation for the proposed methods and models. Initial experimental work has demonstrated the feasibility of this approach.

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Analysis on the Construction Cost of Spatial Structures (대공간 구조물의 공사비 분석)

  • Jang, Myung-Ho;Sur, Sam-Yeol
    • Journal of Korean Association for Spatial Structures
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    • v.7 no.3 s.25
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    • pp.133-140
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    • 2007
  • Spatial structures is a appropriate shape that resists external force with only inplane force by reducing the influence of bending moment, and it maximizes the effect of structure system. An economic analysis is one of the most important factors to determine the project feasibility. Large spatial structures project is more need to comprehensive technology than a general construction project. In order to result in success of these project, it is desired that analyze an essential elements(for example, large budget, professional engineer, construction method, etc.) in the whole life cycle of buildings by schematic preparation from the early feasible study steps. We collect the data and analyze construction cost through this study which examines general remarks of existing spatial structures and researches its examples. This study is aimed to apply basic data to establish database the spatial structures.

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Adopting Cloud Service in the National Spatial Data Infrastructure

  • Youn, Junhee
    • International conference on construction engineering and project management
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    • 2015.10a
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    • pp.676-677
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    • 2015
  • In Korea, NSDI(National Spatial Data Infrastructure) was implemented for integrating and sharing the nationally generated spatial data. One of the main roles of implementing NSDI is providing spatial data to public agencies. And now, the establishment plan for NSDI with the technical advancement should be needed. This paper deals with the technical aspects of adopting cloud service in the NSDI. First, we propose the concept for target system, which shows the current and future NSDI. In the future NSDI model, GIS cloud and governance systems are included. Service functions for cloud system and infrastructure implementation design directions are derived. Finally, governance system implementation plan is described. This research will contribute to the implementation of NSDI cloud service system.

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