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최석근(Choi Seok Keun),이승기(Lee Soung Ki),조의환(Jo Ui Hwan),박상전(Park Sang Jeon) 대한공간정보학회 2009 대한공간정보학회지 Vol.17 No.3
Field surveys for the digital map being constructed is being conducted using various work guide books based on the digital mapping internal rule. However, a modification of a rule used for paper map construction is being used for the digital mapping rule, which is causing many problems with the quality of the digital map. Therefore, to construct a high-quality digital map, general standards related to conducting field surveys need to be reviewed, and it's extremely important to construct an accurate digital map based on this. Accordingly, in this study, problems related to conducting field surveys for the construction of the digital map are analyzed in order to establish more suitable field survey standards for constructing an accurate digital map. To this end, work regulations related to construction of a digital map were analyzed, and attribute and field survey data were compared to those of a previously-constructed digital map for analysis. By reflecting opinions of field surveyors and related experts to the results of the analysis, more suitable field survey standards for constructing the digital map were presented.
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최석근 ( Seok Keun Choi ),노재철 ( Jae Cheal No ) 충북대학교 건설기술연구소 2011 건설기술논문집 Vol.30 No.2
This study was carried out to provide with a preliminary data for the creation of a complex by performing a sight analysis using numerical maps, on-sit surveys and photographic images. For this purpose, the final view points were selected by analyzing landscape resources in the neighboring areas and carrying out a 3-D modeling of the target areas, and by synthesizing the pictures taken at the final view points with the results of the landscape analysis, a prediction of landscape changes was carried out. Also, a plan for afforestation was established through the composite photograph images, the landscape architecture analyzed at each view point and a shield planting plan. Thus, this study was able to provide a preliminary data through which a pleasant and reasonable industrial complex could be created by establishing a landscape plan through various procedures of the analysis of the landscape architecture with the data of the 3-D spatial information on the small-scaled areas.
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최석근(Choi Seok Keun),이교한(Yi Gyo Han),조의환(Jo Ui Hwan),이병용(Lee Byung Yong) 대한공간정보학회 2008 한국지형공간정보학회 학술대회 Vol.2008 No.10
현재의 조감도 제작방법은 3D-Max, 포토샵과 같은 그래픽 프로그램을 이용하여 편집하는 방법이 일반적이다. 이러한 조감도는 일반적으로 제작과정에서의 특성상 2차원 평면 데이터를 이용하여 모델링하지만 지표면의 3차원 공간데이터를 사용하지 않고 대상지역의 사진 등을 편집하여 사용하기 때문에 주변 시설물을 정확히 반영하지 못하는 문제점을 가지고 있다. 본 연구에서는 다차원데이터를 이용하여 LiDAR 데이터에서 획득한 고정밀의 DEM과 고품질의 항공영상을 이용한 3차원 모델을 제작하여 조망권, 가시권, 지형분석 등을 수행하고, 주변의 모든 대상물을 고려한 효율적인 조감도를 제작하는 것이 본 연구의 목적이다.
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최석근(Choi Seok Keun),조의환(Jo Ui Hwan),이병용(Lee Byung Yong) 대한공간정보학회 2010 대한공간정보학회지 Vol.18 No.1
The latest multi-dimension spatial information technology is emerging its importance as material for carrying out efficient facilities management’s supporting business about numerous facilities inside a university, budgeting decision-making supporting business such as operating expenses’ budgeting and management, etc. and admission advertisement, etc. Accordingly, the present study selected an optimal location that can maximize spatial utilization of a building to be newly built by constructing multi-dimension spatial information for facilities management of a university, and executed a site suitability analysis according to transfer of a university symbol and a landscape analysis, etc. according to external environment change. As a result, it appeared that the effects such as prevention of duplicate investment and budget saving, etc. due to university’s comfortable spatial composition and systematic comprehensive development & budgeting or decision-making support in case of execution, etc. caused by rationalization of facilities plan & management can be maximized.
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최석근(Choi Seok Keun),박명진(Park Myoung Jin) 대한공간정보학회 2008 대한공간정보학회지 Vol.16 No.3
This study has been performed to define the standard of runoff coefficients which are applicable to the process of route design or various public facilities design. The application of accurate runoff coefficients is very important in construction works due to the fact that the abnormal weather and torrential downpour are raising. However, in Korea society, as planner's subjective judgement of an object region status would make the application of erroneous runoff coefficients, many problems have been occurred. Consequently, in this study, we could perform terrain analysis and rainfall basins extraction with GIS technoques and suggest the application standard of runoff coefficients in accordiance to terrain characteristics and the land covers. By having the application of the study results to past flooded areas, we could suggest improved plans.
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최석근(Choi, Seok Keun),송해화(Song, Hae Hwa),박경식(Park, Kyeong Sik) 대한공간정보학회 2012 대한공간정보학회지 Vol.20 No.2
With the foot-and-mouth disease problems emerging as a serious social issue, this study set out to analyze the problems with the current setting of preventive zones against epidemics and find ways to minimize damage through preventive measures. For those purposes, the study analyzed the outbreaks of the foot-and-mouth disease and assumed that the disease would be transmitted via vehicles along the roads based on the network map of national roads and boundaries among administrative districts to conduct network analysis. The analysis results were then used to estimate spread time, whose results were then categorized according to lineal road distance and actual road distance. Then lineal moving speed and actual moving speed on the road were obtained according to the national roads and administrative districts to analyze the problems with the current method of setting preventive zones against the foot-and-mouth disease. As for spread speed around the areas where the foot-and-mouth disease broke out, the average lineal spread speed was 53.9㎞/day, and the average spread speed on the road was 71.1㎞ /day, which indicates there are problems with the current method of setting preventive zones against epidemics.
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