• 한국측량학회지
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• 제29권5호
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• pp.479-485
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• 2011

GIS기법을 이용하여 공간데이터간의 융합을 통한 지역적 장수인구의 분포와 영향요인을 밝혀내는 연구사례가 증가하고 있다. 일반적으로 이러한 연구들은 분석의 공간단위로써 센서스 행정구역을 채택한다. 그러나 센서스 구역 안에서도 공간적 특징의 다양성이 존재하기 때문에 장수현상을 충분히 설명한다고 할 수 없다. 따라서 장수라는 현상을 현실적으로 반영하는 공간단위에 대한 연구가 필요하다. 대시매트릭 기법은 다양한 공간정보를 이용하여 센서스 행정경계 보다 현실적인 공간단위의 재구성이 가능하게 해준다. 또한 이를 응용하여 소지역의 통계량 추정이 가능하다. 본 연구에서는 벡터기반 건물 데이터를 기반으로 대시매트릭 매핑기법을 응용하여 소지역 노인인구 수를 통계적으로 유의한 수준 안에서 재구성 하였다. 또한 클러스터 분석을 통해 센서스 행정경계안에 존재하는 국지적인 공간 영향관계의 변이를 확인 하였다. 본 연구를 통해 국지적 수준의 장수연구에 대한 필요성과 대시매트릭 기법의 응용이 유효한 방법론임을 제시하였다고 판단된다.

• Asian Pacific Journal of Cancer Prevention
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• 제17권2호
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• pp.719-722
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• 2016

Background: Cholangiocarcinoma (CCA) is a serious health problem in Thailand, particularly in northeastern and northern regions, but epidemiological studies are scarce and the spatial distribution of CCA remains to be determined. A database for the population at risk is required for monitoring, surveillance and organization of home health care. This study aim was to geo-visually display the distribution of CCA in northeast Thailand, using a geographic information system and Google Earth. Materials and Methods: A cross-sectional survey was carried out in 9 sub-districts and 133 villages in Chum Phuang district, Nakhon Ratchasima province during June and October 2015. Data on demography, and the population at risk for CCA were combined with the points of villages, sub-district boundaries, district boundaries, and points of hospitals in districts, then fed into a geographical information system. After the conversion, all of the data were imported into Google Earth for geo-visualization. Results: A total of 11,960 from 83,096 population were included in this study. Females and male were 52.5%, and 47.8%, the age group 41-50 years old 33.3%. Individual risk for CCA was identifed and classified by using the Korat CCA verbal screening test as low (92.8%), followed by high risk (6.74%), and no (0.49%), respectively. Gender ($X^2$-test=1143.63, p-value= 0.001), age group ($X^2$-test==211.36, p-value=0.0001), and sub-district ($X^2$-test=1471.858, p-value=0.0001) were significantly associated with CCA risk. Spatial distribution of the population at risk for CCA in Chum Phuang district was viewed with Google Earth. Geo-visual display followed Layer 1: District, Layer 2: Sub-district, Layer 3: Number of low risk in village, Layer 4: Number of high risk in village, and Layer 5: Hospital in Chum Phuang District and their related catchment areas. Conclusions: We present the first risk geo-visual display of CCA in this rural community, which is important for spatial targeting of control efforts. Risk appears to be strongly associated with gender, age group, and sub-district. Therefor, spatial distribution is suitable for the use in the further monitoring, surveillance, and home health care for CCA.

• 한국주거학회:학술대회논문집
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• 한국주거학회 2006년도 추계학술발표대회 논문집
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• pp.352-356
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• 2006

This study aims to analyze the current status and characteristics of apartment house unit plans towards spatial differentiation. The 172 house units from 32 housing complexes were selected for this analysis. In this study, factors of residential space plan especially in an apartment house are categorized into general characteristics on floor plan and factors for spatial floor plan. The Primary findings are as follows: (1) General characteristics on floor plan are analyzed based on space organization, area and number of bays. Among apartment houses over 40 pyeong, it seems that differentiation is well applied with various space plans available. (2) A result of an analysis on the factors for spatial floor plan shows that planning a living room with two-open-sides seems to be more common in the tower-shaped apartment blocks which are now on the increase. Moreover, many of them are adopting movable partitions to reflect resident's various demands on space plan. Among all, the extra kitchen in the balcony is planned high portion of 80.4%. And diningroom is positioned on the front side of the residential space along with a livingroom(19.2%). More frequently, dining area tends to face the living room(30.2%) according to the result. Besides dress rooms begin to be placed in each of the bedroom, once planned in one bedroom only while 18.6% of the apartment houses are placing new storages in the entrance to solve lack of storage space due to balcony extension.

• 한국주거학회논문집
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• 제13권4호
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• pp.1-10
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• 2002

The purpose of this study was to contribute to planning and developing various new apartment unit plans of the future through examining the differences on the spatial behavioral patterns and the post-occupancy evaluation between DK-front type and DK-rear type. 245 households which were included 79 DK-front types and 166 DK-rear types, were collected and analyzed at Masan and Gimhae cities in Kyungnam area. The result is as follows: 1) The analysis of the spatial behavioral patterns revealed that Anbang was the room for the couple independent from guests and children. Living room was the family's room for every activity, used more frequently DK-front types than DK-rear types. The family lift cycles of households, the visual unification between Living room and DK, the closed figures of DK in DK-front types have been influenced for the activities of Living room. 2) In the post-occupancy evaluation, DK-front types were positive in the lighting of DK area and its connection with Living room, while negative in the proximity from entrance to DK, cooking convenience, and the proximity between rooms. It was explained clearly through the reasons of the rejection of DK-front types from now.

• 한국주거학회논문집
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• 제27권5호
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• pp.37-44
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• 2016

The purpose of this study is to investigate the relationship of architectural ideology and characteristics of spatial composition between Moisei Ginzburg's Narkomfin communal house and Le Corbusier's Unite d'Habitation. Narkomfin communal house and Unite d'Habitation is considered as example of experiment to construct ideal community housing model. Moisei Ginzburg designed Narkomfin communal house to make typical housing model for socialist city. Meanwhile, Le Corbusier is considered as a leader of modern functionalism architecture. His Unite d'Habitation in Marseille is important experiment for housing model in modern period. Unite d'Habitation is known to be affected by Narkomfin communal house in terms of architectural ideology and its spatial composition. This study focuses on comparative analysis between Narkomfin communal house and Unite d'Habitation through drawings, pictures and various literatures. Narkomfin communal house and Unite d'Habitation have common ideology to realize ideal community housing model. Moreover, both of them have considerable similarities in their spatial composition. First of all, unit housing of Narkomfin and Unite d'Habitation are maisonette type. Secondly, both of them have unique system that one corridor serve two of housing unit. Also, both have common facility such as laundry, childcare which is connected with their housing.

• 대한가정학회지
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• 제46권8호
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• pp.135-147
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• 2008

This study was to identify the spatial and functional characteristics of kitchen and utility space plan in apartment housing. For this purpose, spatial arrangement and function of kitchen and utility space were analyzed according to the size of apartment unit. The results of this study were as follows; 1) The level of spatial separation among living room, dining room, and bedroom is higher in large-sized apartment. And diverse plans were applied for the kitchen of large-sized apartment. 2) To find out functional characteristics of kitchen space, furniture arrangement was analyzed. The I-type kitchen furniture is dominant for small-sized and medium-small apartment, and L-type furniture for medium-large and large sized apartment. 3) For most of the unit plans utility space is located on the balcony outside the kitchen. 4) Sub-kitchen and laundry are major function of utility space, but in case of balcony extention, the function of utility space is minimized. Recent plans for apartment housing shows various spatial arrangement and functions for kitchen and utility space.

• ETRI Journal
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• 제41권3호
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• pp.277-288
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• 2019

VWorld is run by the Ministry of Land, Infrastructure, and Transport of South Korea and provides national spatial information, such as aerial images, digital elevation models, and 3D structural models. We propose herein an open platform for 3D spatial information based on WebGL using spatial information from VWorld. WebGL is a web-based graphics library and has the advantage of being compatible with various web browsers. Our open platform is also compatible with various web browsers. Accordingly, it is easily accessible via the VWorld site and uses the three-dimensional (3D) map program. In this study, we describe the proposed platform configuration, and the requests, management, and visualization approaches for VWorld spatial information data. Our aim is to establish an approach that will provide a stable rendering speed even on a low-end personal computer without a graphics processing unit based on a quadtree structure. We expect that users will be able to visualize 3D spatial information through the VWorld open platform, and that the proposed platform will become the basis for various applications.

• 한국수자원학회논문집
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• 제52권7호
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• pp.505-514
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• 2019

우리나라는 효율적인 수자원 관리를 위해 노력하고 있으며, 향후 지역의 문제와 물이용 현황, 특성, 지형, 기후 등을 고려한 유역을 세분화한 후 계획을 수립하는 것이 필요하다. 이에 본 연구에서는 한강 권역을 대상으로 MODSIM 모형을 활용하여 중권역과 표준유역단위 물 수급 체계를 구축하고 분석 결과를 비교하였다. 분석 결과, 49개년(1967-2015)간 발생하는 평균 물 부족량은 중권역 단위 129.98 백만$m^3$, 표준유역단위 2,229.24 백만 $m^3$으로 약 21 억$m^3$ 가량의 차이가 나타났으나 물 부족이 발생하는 시기와 물 부족 발생 공간 분포에 대한 경향은 매우 유사하게 나타났다. 이러한 원인은 중권역 단위 분석의 경우, 모든 수량을 이용할 수 있다는 가정으로 대표 자연유량 값에 대한 생활, 공업, 농업용수 수요량에 대한 물 부족량이 산정된다. 그러나, 표준유역단위 분석에서는 분할된 공급량과 수요량의 차이로 인해 본류와 이격되어 있는 지류는 가용할 수 있는 수자원량이 상대적으로 작아져 물 부족이 크게 발생하는 것으로 나타났고, 본류는 오히려 회귀수량의 파급효과로 인해 물 부족이 나타나지 않는 것으로 분석되었다. 향후, 분석 단위의 세분화 뿐만 아니라 실제 물이용체계가 모형 내 고려된다면 지역적 특성이 반영된 물수급 평가가 가능할 것으로 판단된다.

• Geomechanics and Engineering
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• 제23권3호
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• pp.207-215
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• 2020

This paper presents a kinematic limit analysis for passive earth pressure of rigid retaining structures considering the unsaturation of the backfill. Particular emphasis in the current work is focused on the effects of the spatial change in the degree of saturation on the passive earth pressure under different steady-infiltration/evaporation conditions. The incorporation of change of effective unit weight with degree of saturation is the main contribution of this study. The problem is formulated based on the log-spiral failure model rather than the linear wedge failure model, in which both the spatial variations of suction and soil effective unit weight are taken into account. Parametric studies, which cover a wide range of flow conditions, soil types and properties, wall batter, back slope angle as well as the interface friction angle, are performed to investigate the effects of these factors on the passive pressure and the corresponding shape of potential failure surfaces in the backfill. The results reveal that the flow conditions have significant effects on the suction and unit weight of the clayey backfill, and hence greatly impact the passive earth pressure of retaining structures. It is expected that present study could provide an insight into evaluation of the passive earth pressure of retaining structures with unsaturated backfills.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2005년도 Proceedings of ISRS 2005
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• pp.134-137
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• 2005

Unsupervised spectral angle classification (USAC) is the algorithm that can extract ground object information with the minimum 'Spectral Angle' operation on behalf of 'Spectral Euclidian Distance' in the clustering process. In this study, our algorithm uses the unit vector instead of the spectral distance to compute the mean of cluster in the unsupervised classification. The proposed algorithm (MUSAC) is applied to the Hyperion and ETM+ data and the results are compared with K-Meails and former USAC algorithm (FUSAC). USAC is capable of clearly classifying water and dark forest area and produces more accurate results than K-Means. Atmospheric correction for more accurate results was adapted on the Hyperion data (Hyperion-FLAASH) but the results did not have any effect on the accuracy. Thus we anticipate that the 'Spectral Angle' can be one of the most accurate classifiers of not only multispectral images but also hyperspectral images. Furthermore the cluster unit vector can be an efficient technique for determination of each cluster mean in the USAC.