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지형경관평가에 있어 스카이라인과 불가시심도의 경관정보화 연구
조동범(Cho Tong Buhm) 대한국토·도시계획학회 2001 國土計劃 Vol.36 No.7
The purpose of this study is to develope a CAD-based application for analyzing and visualizing the skyline and the invisible depth which are important landscape indices in assessing the topographic characteristics. For the quantitative approach to assess these characteristics, grid-type digital elevation model(DEM) in 3DFace entities of AutoCAD's drawing database were processed with some algorithms studied in this research. As a result, the program named SKYLINE.lsp was developed with LISP developing tool and dialog control language(DCL) for establishing user interface on which some parameters are set up. Main functions and their availabilities of application in the landscape assessment will be summarized as follows; 1) Main boundary between earth and sky which could be perceived 2-dimensionally only in perspective view were visualized with 3-dimensional line entities fitted to skyline meshes. 2) Extracted main and secondary skylines showed the availability of representing the visual structures of topographic landscape. 3) Distribution of the meshes' invisible depth were calculated and threshold value in the invisible area were detected. 4) Some indices like continuity and complexity of skyline, and range of invisible depth were processed as numerical landscape informations.
室外空間 利用行態에 影響을 미치는 視知覺 要因에 관한 硏究
趙東範 全南大學校 農漁村開發硏究所 1989 農業科學技術硏究 Vol.24 No.-
During last 20 years, the field of environmental psychology and behavioral study has seen many researches and results for applying environmental planning and design. But for the characteristics of problem solving oriented, the approaches to associate the results of sub fields were few. In the reference of these points, the objectives of this study were to find the factors of visual perception and behavior patterns in the physical environment-settings, and to discuss the adaptation potentiality for the design of exterior environments. (1) The eventual objectives of environmental psychology are to be for investigating the spatial behavior pattern and schemata could be applied to the environmental design. (2) It is necessary of quantifying of visual perceptions and behavior patterns in particular with scenic landscape of sequential landscape. (3) It is necessary of factorizing the visual perceptional indices into physical objects themselves, the relationships between observer and objects, and relationships between objects of each other. (4) Behavioral indices were categorized into cognitive behavior pattern, concordant behavior pattern, and transitional behavior pattern. (5) It is necessary of quantifying the cognitive behavior pattern as for establishing of the mediate-indices clarifying the relationship between visual perception and behavior pattern. (6) Theoretical model could be established with concepts of visual energy and privacy level.
도시 배후 산 지형 스카이라인 경관의 조망 특성과 경관 대표성 평가 - 시점 위치에 따른 무등산 조망경관 분석을 중심으로 -
조동범,Cho, Tong-Buhm 한국조경학회 2008 韓國造景學會誌 Vol.35 No.6
This research investigated the landscape characteristics of the skyline and the cognitive characteristics of Mt. Mudeung (1,186m) from various viewpoints. Mt. Mudeung, the representative landscape of Gwangju City, has been recognized as a natural landmark and theme of paintings. By analyzing the perspective from 32 points with a digital terrain model, some landscape indices of the skyline were derived and the relationships are discussed. Assessment of the semantic differential scale with 21 adjective variables and representativeness to 15 landscape photographs of the mountain were accomplished. 1. Through regression analysis of the skyline indices, significant relationships were found between them the angle from the visual axis and number of skyline jumps, the vertical angle fluctuation and number of jumps per degree, the visual depth fluctuation and vertical angle fluctuation of skyline, and between the vertical angle mean and number of jumps per degree. Meaningful relations were found between the number of jumps of skyline to number of jumps per degree and the angle from visual axis to visual distance. However, in the representative assessment no difference was found on the angle from visual axis of viewpoints. On the other hand, it seemed to relate representativeness with visual clarity based on visual distance. 2. We found 4 factors "familiarity", "fluctuation of skylines", "openness", and "feeling of texture" in the results of factor analysis of semantic differential assessment. When considering the results of assessment for representativeness, adjective words for familiarity and openness seemed to have a close assessment. Specifically, the research showed that the landscape representation was highly assessed in a view which could be seen from the higher parts to the lower part of hills. This result indicates that the management of viewpoints which could get a scene from intermediate to distant, and locating a high elevation is important. 3. In the picturesque expression of Mt. Mudeung, various impressions from the different points, a skyline based on the top of Mt. Mudeung and a mono structure by overlapping hills were common characteristics. These common characteristics were also partially found through the analysis of topographical landscape indices and landscape images. Therefore, the viewpoints for the representative landscape management should be selected in natural or open spaces.
도시주변 능선녹지를 배경으로 하는 아파트 경관의 시각적 영향 - 물리적 경관변수 및 와시점분석에 의한 다각적 접근-
최윤,조동범,Choi, Yun,Cho, Tong-Buhm 한국조경학회 1994 韓國造景學會誌 Vol.22 No.2
In recent years, the visual characteristics of natural open space and greenbelt surrounding the urban landscapes have been changed with sprawling of residential areas and highrised residential buildings. Since these natural areas being the background element of residential areas are topographically sloped mountains in many cities. It is easy to be seen in the distance and it is important to preserve these areas as a visual infrastructure of the urban landscape. The purposes of this study are to extract the factors of landscape impact evaluation for these areas and to clarify the physical landscape variables representing these factors, and to infer the visual-perceptional relationships between image and landscape variables. As results, conceptional three factors were extracted with semantic differential evaluation to classified 18 landscape slide, and three regression models were established with factor score of landscapes and physical variables measured in photographs. On the basis of these relationships, visual-perceptional characteristics were discussed by analyzing the data form eye-movement recording to each of landscapes. The factors of "spatial unfolding of backdropped hilly greenspace", "horizontal quence of residential buildings", and "landscape complexity" prove to be important. And it prove important variables of "skyline of mountainous ridge" and "visual edge of building structure" in regression models and eye fixation movements.
Residents' Attitudes to Landscape and Ecology of Idyllic Housing Sites: The Case of South Korea
Kim, Mi-Hyang,Cho, Tong-Buhm,Kim, Keun-Ho Routledge 2008 Landscape research Vol.33 No.4
<P> The demand for idyllic housing has been rapidly spreading from the national capital regions to suburban areas of large metropolitan cities in South Korea. This trend could be seen as a demand for more environmentally friendly residences. This research explores the general characteristics of idyllic housing residents, reasons for moving to idyllic housing sites, general attitudes to the surrounding landscape of residential areas and landscape memory, residents' satisfaction with the landscape and their attitudes to the ecological environment. The main reason for the dissatisfaction with idyllic living was the lack of facilities caused by the Farmland Act. A new law for the development control of idyllic housing sites is needed or the existing law needs to be tightened to address this problem. The research presented here is a first step towards a more comprehensive analysis of idyllic Korean housing and further research is needed.</P>