• Title/Summary/Keyword: GIS tools

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A Study on the Application of Established Digital Spatial Data to Geographic Information Systems (기구축된 공간 데이타의 지리정보시스템 적용에 관한 연구)

  • Kim, Yong-Il;Pyeon, Mu-Wook;Lee, Eung-Kon
    • Journal of Korean Society for Geospatial Information Science
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    • v.4 no.1 s.6
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    • pp.57-66
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    • 1996
  • For the effective use of spatial data, it is necessary to translate the diverse digital map data (here, digital map for car navigation system) into common GIS data structure(here, ARC/INFO). For this purpose, analysis on the structure of the established digital map was fulfilled, the data model for effective translation tool was designed. As a result, the possibility to translate diverse digital map structures (database) into GIS tools and to share them, with the users' point of view, was successfully verified.

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Efficient method to estimate the number of exposed people to industrial noise using the GIS and three dimensional noise mapping (GIS와 3차원 소음지도를 이용한 소음 폭로인구 산정 방법에 관한 연구)

  • Ko, Joon-Hee;Lee, Ki-Jung;An, Jang-Ho;Chang, Seo-Il
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2006.05a
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    • pp.438-442
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    • 2006
  • Reasonably accurate estimation of the exposed population to the distinct levels of noise is essential to the efficient management of urban environmental noise. This study proposes a method of calculating the number of exposed people to industrial noise by using GIS tool and noise mapping. The exposed population of noise based on estimation of the number of people that lived in each building in urban area is compared with the one based on density of population. This study suggests the six step method that consists of gathering the fundamental data, extracting the property from the digital map, noise mapping based on the three dimensional topography, estimating population that lives in each building, merging the various results with GIS tool, and estimating exposed population to industrial noise through analyzing the noise map with GIS tools

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Design and Implementation of Framework for Construction of Applied Web GIS (응용 웹 지리정보시스템 구축을 위한 프레임워크 설계 및 구현)

  • Kim, Jae-Hong;Kim, Sung-Hee;Bae, Hae-Young
    • Journal of Korea Spatial Information System Society
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    • v.2 no.1 s.3
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    • pp.43-55
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    • 2000
  • Because the complexity in the development phase of geographic information system, its hard to change its operation or user interface after the development. So we should develop most part of the applied GIS even though previous GIS is almost exist. In other words, reusing the previous system is not easy. Therefore, its required to research reusable GIS for easy construction of applied GIS. This thesis describes design and implementation of web GIS framework which makes applied web GIS development more easy. Framework is software library composed of reusable units such like classes and objects. Proposed web GIS framework Provides basic web GIS functionalities and execution design to web GIS developers. They could extend the framework to build applied web GIS with applied operation and user interface. The development of applied web GIS could be archived by various tools used for general web application development.

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The Establishment of the GIS based Resource Map System for New and Renewable Energy (GIS 기반 신재생에너지 자원지도시스템 구축)

  • Yun, Chang-Yeol;Kim, Kwang-Deuk;Jeong, Jae-Hyuck
    • 한국신재생에너지학회:학술대회논문집
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    • 2006.11a
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    • pp.149-152
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    • 2006
  • New and renewable energy information becomes one of the greatest issues because of serious environment problems and limited fossil resources However, There are few system to manage and utilize new and renewable energy information efficient. Therefore this study establish the GIS based Resource Map System to save and analyze new and renewable energy Informal ion about solar energy, wind power, small hydro, biomass, and geothermal. This Resource Map System is composed of the management system, practical system, field system and Web-service system. This System can Provide var ious spatial analysis tools such as data searching, treating thematic maps, evaluating location requirements for energy facilities.

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The Establishment of the GIS based Resource Map System for New and Renewable Energy (GIS 기반 신재생에너지 자원지도시스템 구축)

  • Yun, Chang-Yeol;Kim, Kwang-Deuk;Jeong, Jae-Hyuck
    • New & Renewable Energy
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    • v.2 no.4 s.8
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    • pp.27-32
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    • 2006
  • New and renewable energy information becomes one of the greatest issues because of serious environment problems and limited fossil resources. However, There are few system to manage and utilize new and renewable energy information efficiently. Therefore this study establish the GIS based Resource Map System to save and analyze new and renewable energy information about solar energy, wind power, small hydro, biomass, and geothermal. This Resource Map System is composed of the management system, practical system, field system, and Web-service system. This System can provide various spatial analysis tools such as data searching, creating thematic maps, evaluating location requirements for energy facilities.

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ANALYSIS OF SPATIAL FACTORS AFFECTING DENGUE EPIDEMICS USING GIS IN THAILAND

  • Nakhapakorn Kanchana;Tripatht Nitin;Nualchawee Kaew;Kusanagt Michiro;Pakpien Preeda
    • Proceedings of the KSRS Conference
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    • 2005.10a
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    • pp.774-777
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    • 2005
  • Dengue Fever(DF) and Dengue haemorrhagic fever(DHF) has become a major international public health concern. Dengue Fever(DF) and Dengue haemorrhagic Fever (DHF) is also still the major health problem of Thailand, although many campaigns against it have been conducted throughout the country. GIS and Remotely Sensed data are used to evaluate the relationships between socio-spatial, environmental factors/indicators and the incidences of viral diseases. The aim of the study is to identify the spatial risk factors in Dengue and Dengue Haemorrhagic Fever in Sukhothai province, Thailand using statistical, spatial and GIS Modelling. Preliminary results demonstrated that physical factors derived from remotely sensed data could indicate variation in physical risk factors affecting DF and DHF. The present study emphasizes the potential of remotely sensed data and GIS in spatial factors affecting Dengue Risk Zone analysis. The relationship between land cover and the cases of incidence of DF and DHF by information value method revaluated that highest information value is obtained for Built-up area. A negative relationship was observed for the forest area. The relations between climate data and cases of incidence have shown high correlation with rainfall factors in rainy season but poor correlation with temperature and relative humidity. The present study explores the potential of remotely sensed data and GIS in spatial analysis of factors affecting Dengue epidemic, strong spatial analysis tools of GIS. The capabilities of GIS for analyst spatial factors influencing risk zone has made it possible to apply spatial statistical analysis in Disease risk zone.

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A Study for Model Curricula Development, in GIS(Geographic Information Science) (GIS 교육과정 개발에 관한 연구)

  • 성효현
    • Spatial Information Research
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    • v.1 no.1
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    • pp.73-87
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    • 1993
  • This paper reviews the topic of GIS, the academic setting of GIS, GIS model curricula and the possibility GIS education in Korea. The topics which might be included in a science of geographic information consist of data collection and measurement, data capture, spatial statistics, data modeling and theories of spatial data, data structures, algorithms and processes, display, analytical tools, institutional, managerial and ethical issues. The problems in teaching a course on GIS in higher education are reviewed. Because of their technological, integrative, and rapidly changing nature, GIS pose major challenges to their education system which it is ill equipped to meet. In higher education a number of initiatives have been taken to provide education about and training with, GIS. The possible GIS curricula are suggested. These curricula are divided into 3 major sections, relating GIS context, technical issues and application issues. The prospects of GIS appears lo depend largely upon the future cooperation of academia, government, and industry

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Toward effective implementation of GIS technology in local governments (GIS의 효과적 구축을 위한 실용적 전략 구상)

  • 장영희
    • Spatial Information Research
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    • v.2 no.1
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    • pp.15-25
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    • 1994
  • Geographical Informal ion Systems have become useful tools for improving the administrative management of local governments. Despite its innovative aspects, GIS implementation in local governments has yet to be actively carried out, utilized in only a few occasions in establishing comprehensive plans or conduct ins model system developments. This can be basically attributed to technological, institutional, and economic difficulties, that is, a lack of understanding of GIS technology, database development, and the required institutional support. Using Seoul as a case study, this study analyses the potential and effectiveness of GIS and examines strategies of implementation, thereby suggesting basic policy direct ions for GIS investment in local governments.

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Distributed Rainfall-Runoff Modeling Using GIS (GIS를 이용한 분산형 강우-유형 모형의 개발)

  • 김경숙;박종현;윤기준;이상호
    • Korean Journal of Remote Sensing
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    • v.11 no.2
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    • pp.1-16
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    • 1995
  • This study is conducted to eveluate the potential of a GIS to assist an application problem. GIS has been applied to rainfall-runoff modeling over Soyang area. Various rainfall-runoff models have been developed over the years. A distributed rainfall-runoff model is selected because it considers the topographic characteristics over the basin. GIS can handle the spatial data to enhance the modeling. GRASS-a public domain GIS S/W-is used for GIS tools. Digital database is generated, including soil map, vegetation map, digital elevation model, basin and subbasin map, and water stream. The inpu data for the model has been generated and manupulated using GIS. The database, model and GIS are integrated for on-line operation. The inflow hydrographs are tested for the flood of Sept., 1990. This shows the promising results even without the calibration.

Pattern Identification of 97 Functional Dyspepsia Patients and the Characteristics of Each Pattern Type (기능성 소화불량 환자 97명의 변증유형별 특성)

  • Han, Ga-Jin;Kim, Jin-Sung;Park, Jae-Woo;Ryu, Bong-Ha
    • The Journal of Korean Medicine
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    • v.32 no.2
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    • pp.42-62
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    • 2011
  • Objective: This study was designed to identify and explore the pathological patterns of functional dyspepsia (FD) patients. We also evaluated the usefulness of the Pattern Identification Questionnaire by comparing it with other assessment tools for FD. Methods: We recruited 97 FD patients based on the Rome III criteria for FD diagnosis. The pathological patterns of the subjects were determined by the Pattern Identification Questionnaire. Their dyspepsia-related symptoms were assessed using the Gastrointestinal Symptom Questionnaire (GIS) and the Pyeongwi-san (Pingwei-san) Patternization Questionnaire. Depressive symptoms were evaluated with the Beck Depression Inventory (BDI) and quality of life with the Functional Dyspepsia-Related Quality of Life (FD-QoL) Questionnaire. Tongue coating was measured by the Digital Tongue Diagnosis System (DTDS). Results: The male to female ratio was 1:1.1, and the forties and fifties age groups were largest in number. The spleen deficiency and phlegm-dampness pattern was the most common pattern found among the FD patients. No significant differences in the GIS, BDI, FD-QoL, and DTDS scores were found among the five pattern types. All pattern types showed significant correlation with GIS, Pyeongwi-san Patternization Questionnaire, and FD-QoL scores. Conclusions: Pattern Identification Questionnaire can not only identify the pathological pattern types of FD patients but also evaluate the severity of their symptoms. Compared to conventional assessment tools for FD, it could enable a more dynamic evaluation of FD patients reflecting the severity of dyspeptic symptoms and the quality of life. Further studies on the Pattern Identification of FD patients are anticipated in order to improve the diagnosis and therapy for Korean FD patients.