• Title/Summary/Keyword: GIS 데이터

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A Development of Synthetic Map Preprocessor for Mobile GIS Visualization based on GML (GML 기반 모바일 GIS 가시화를 위한 Synthetic Map Preprocessor 구축)

  • Song Eun-Ha;Park Yong-Jin;Han Sung-Kook;Jeong Young-Sik
    • The KIPS Transactions:PartC
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    • v.13C no.3 s.106
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    • pp.383-388
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    • 2006
  • Most of GIS services have been operated in single applications, and as data processing and computer and mobile technologies have developed rapidly, users request for efficient sharing between each GIS's own data and various different GIS's. However, since many GIS applications maintain their own data formats, they are incapable of processing data formats different with each other, and do not have a filtering function for mobile GIS. This paper designs an integrated preprocessor, SMP to accept features of various current formats of geographic information such as DXF(Drawing eXchange Format), DWG(DraWinG), SHP(SHaPefile), etc., and to extract core information for describing maps. The geographic information extracted by SMP(Synthetic Map Preprocessor) shows consistency in various formats by visualizing through the integrated view. By generating the extracted core data in GML, it supports rapid access to mobile devices and extensibility of file formats overcoming heterogeneity.

Comparative Study on Advanced NSDIs for the Future NGIS Implementation in Korea

  • Kim Eun-Hyung
    • Spatial Information Research
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    • v.13 no.4 s.35
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    • pp.381-391
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    • 2005
  • The NSDI concept has changed with the development of the NSDI. While the NSDI was initially established as a separate entity, recently more attention has been given to the SDI hierarchy, from a local level to a global level. As an advanced NSDI, the USA, the UK and Canada emphasize more on better citizen services through an e-Government GIS portal such as the USA's Geospatial One-Stop. This study hypothesizes that the characteristics of NSDIs can be different from each nation in terms of vision, structure, evolution stages and a degree of integration with the e-Government. Rather than to describe differences just fur comparison, more characteristics of NSDIs are identified and the comparisons are developed as recommendations for the future NGIS(National Geographic Information System) in Korea.

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A Study on the Development items of Korean Marine GIS Software Based on S-100 Universal Hydrographic Standard (S-100 표준 기반 해양 GIS 소프트웨어 국산화 개발 방향에 관한 연구)

  • LEE, Sang-Min;CHOI, Tae-Seok;KIM, Jae-Myung;CHOI, Yun-Soo
    • Journal of the Korean Association of Geographic Information Studies
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    • v.25 no.3
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    • pp.17-28
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    • 2022
  • This study is to develop the direction of the development of the next-generation mapping of marine information required to develop a base of the utilization localization of maritime production tools. The GIS data-processing products and technologies currently used in the Korea's marine sector depend on external applications which is renewal costs, technical updates, and unreflected characteristics. Meanwhile, the S-100 standard, the next generation hydrographic data model that complements S-57's problems in marine GIS data processing, was adopted as a new marine data standard. This study aims to present the current status and problems of marine GIS technology in Korea and to suggest the development direction of GIS software based on the next generation hydrogrphic data model S-100 standard of IHO(International Hydrographic Organization). S-100-based marine GIS localization technology development and industrial ecosystem development research is expected to scientific decision-making on policy issues that occur with other countries such as marine territory management and development and use of marine resources.

Development of Interface System to Couple the SWAT Model and HyGIS (HyGIS와 SWAT의 연계 시스템 개발)

  • Kim, Kyung-Tak;Choi, Yun-Seok
    • Journal of the Korean Association of Geographic Information Studies
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    • v.9 no.3
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    • pp.136-145
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    • 2006
  • SWAT includes a lot of parameters related with geography, hydrological time series, land management and water pollution, etc. So, it needs many spatial, non-spatial and time series data to run SWAT. If SWAT is operated in conjunction with GIS, we can use database which includes model input data and do all the processes which covers data creation, model input and analysis of simulation results in a system. The objective of this study is to develop HyGIS-SWAT which is the interface system to couple the SWAT model and HyGIS. To achieve this object, system operation process based on HyGIS-SWAT data model is evaluated and databases are designed and established. As a result, HyGIS-SWAT prototype system is developed. HyGIS data model and HyGIS-Model operation process can be applied effectively to the development of HyGIS-SWAT. The technologies from this study can be used as base technology to develop another HyGIS application which connect HyGIS with models.

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A Design of 3D Visualization Model based on GIS (GIS 기반의 3차원 시각화 모델의 설계)

  • 한정규;황수찬
    • Proceedings of the Korean Information Science Society Conference
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    • 1999.10a
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    • pp.27-29
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    • 1999
  • 가상현실 시스템에 대한 연구들은 대부분 현실세계 데이터를 컴퓨팅 세계의 데이터로 변환하기 위한 효율적인 방법론에 대한 연구가 주를 이루고 있다. 지리정보시스템(GIS)의 경우 정확한 실사를 통한 지리정보의 확보와 그래픽 시각화를 통한 신뢰성 있는 데이터의 제공을 주요 목적으로 삼는다. 본 논문은 지리정보시스템의 데이터모델을 기반으로 3차원 시각화를 위한 지형 데이터 모델과 가상 이미징 객체모델을 소개한다.

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Developing a Hybrid Web-based GIS for Improving Access to Distributed Spatial Data and Spatial Modeling Tools (분산형 공간모델링을 구현하기 위한 하이브리드형 웹기반 GIS의 개발)

  • Jun, Byong-Woon;Park, Chan-Suk;Jo, Myung-Hee
    • Journal of the Korean Association of Geographic Information Studies
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    • v.3 no.2
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    • pp.61-72
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    • 2000
  • The maturation of the Web technology has reshaped the ways in which data are accessed, disseminated, and shared. Thanks to its popularity along with the advance of spatial information technology, four major changes have been further made in traditional geographic information systems (GIS) in relation to access to data, distribution of data, access to GIS functionality, and visualization of multimedia data. Although access to and dissemination of spatial data over the Web has in recent years been addressed in the literature, little research effort has addressed the issue of access to and processing of GIS analysis functions over the Web. This research explores the potential use of Web-based GIS in improving accessibility to distributed spatial data and spatial modeling tools. A prototype Web-based GIS developed in this study focuses on Web-based location-allocation modeling for spatial decision support, and employs a hybrid approach that uses the Arc/Info software as a GIS server and CGM viewer as a client-side plug-in. This research shows that Web-based GIS is a useful vehicle in conducting spatial modeling in the particular user community. In addition, this study represents the possibility of Web-based GIS in developing open spatial decision supporting systems.

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A Spatial Data Construction System with Video GIS (비디오 GIS를 이용한 공간데이터 구축 시스템)

  • Joo, In-Hak;Yoo, Jae-Jun;Nam, Kwang-Woo;Kim, Min-Soo;Lee, Jong-Hun
    • Proceedings of the Korea Information Processing Society Conference
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    • 2002.11c
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    • pp.1903-1906
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    • 2002
  • Video GIS is a spatial information system where video is used and integrated with map or other media such as 3D graphics, image, video, and satellite imagery. The information expressed by video, in nature, can provide realistic information. The connection of map and image of actual geographic object brings realistic visualization, which overcomes the limitation of conventional map-based GIS. In the suggested video GIS, location information is contained in video data and thereby enables two-sided searching, browsing, and analyses. In this paper, we suggest video GIS that integrates and manages video and map, and that constructs spatial information. We also develop a prototype system of video GIS in the field of roadside facility management, and show the results.

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A Development of HVF (Hnagul Vector Format) for Internet GIS (인터넷 지리 정보 시스템을 위한 HVF (Hnagul Vector Format)의 개발)

  • Moon, Jin-Yong;Koo, Yong-Wan
    • The Transactions of the Korea Information Processing Society
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    • v.7 no.2
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    • pp.321-327
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    • 2000
  • Geographical Information System (GIS) is composed of hardware, software, data, and methods. Among the components, data is considered to be the most important factor in GIS. In this paper, we describes HVF, the most recent technology pioneered by GIS researchers. HVF is a format for efficient usage of spatial object in order to express, save and transform in Internet GIS. Fist, we describe the definition of HVF syntax, then the implementation of Header Section Generation Module and Main Section Generation Module through the API. Second, we develop a spatial object converter for HVF to transform figures into data structures, which are compatible among different GIS applications. For this purpose, we design and implement three units of modules, which are File Manipulation, HVF Import and HVF Export Module. Since the issues of network traffic and Hangul processing in Internet GIS are important, we expecially consider development of HVF in terms of spatial data size.

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Design of Internet GIS Integration System using CORBA (CORBA를 이용한 인터넷 GIS 통합 시스템 설계)

  • Gang, Byeong-Geuk;Nam, Gwang-U;Kim, Sang-Ho;Lee, Seong-Ho;Ryu, Geun-Ho
    • The KIPS Transactions:PartD
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    • v.8D no.3
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    • pp.193-202
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    • 2001
  • Currently, the components of the GIS have been physically run on a stand-alone system. With rapid advances in internet technology, GIS users require that they are able to not only access they heterogeneous and remote GIS database as well as their own information, but also share them. However, these GIS have the defects that can not handle formats different from own data format. Therefore, in this paper, we propose to integrate the components of the heterogeneous and remote GIS using CORBA in order to solve these problems, which is a distributed object technology, the mediator and wrapper technology in client and server layers.

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Development of GIS based Air Pollution Information System, using a Context Awareness Model (상황인지모델을 이용한 GIS 기반의 대기오염 정보시스템 개발)

  • Kim, Taehoon;Hong, Sungchul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.6
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    • pp.4228-4236
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    • 2015
  • Due to the rapid advance in web and mobile computing technologies, normal users have become to produce, provide, and share a varied form of spatial data and information. In the domain of spatial information, numerous researches on GIS have been conducted to provide spatial information services based on a geo-sensor network and a data integration and processing technology. However, to provide user-oriented information, a context information model is necessary to associate GIS data with web and sensor data. Context awareness services is designed to provide specific information, minimizing users' interference. For which, the context information model expresses the relationship of various data from sensor networks and mobile applications and provides a user-specific information considering location and area of interest. Thus, this research aims to develops a context information model based air-pollution information system that obtains and analyses air pollution data and reflects the analysis results on an air-pollution policy. Also, this system aims to raise citizens' awareness on air-pollution and to promote citizens' participatory to improve city's air quality.