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2003 Fiscal Year Final Research Report Summary

Analytical Model for Visibility on Landmarks and Open Spaces

Research Project

Project/Area Number 14580468
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 社会システム工学
Research InstitutionUniversity of Tsukuba

Principal Investigator

OHSAWA Yoshiaki  University of Tsukuba, Institute of Policy and Planning Science, Professor, 社会工学系, 教授 (50183760)

Co-Investigator(Kenkyū-buntansha) KOTOH Hiroshi  Tohoku University of Art and Design, Department of Design Engineering, Associate Professor, デザイン工学科, 助教授 (60244985)
KURITA Osamu  Keio University, Faculty of Science and Technology, Professor, 理工学部, 教授 (40211891)
Project Period (FY) 2002 – 2003
Keywordslandmarks / open space / visibility / quantitative analysis / solid angles / nightscape / school songs / seasonal effect
Research Abstract

This project examines the quantitative methods to evaluate landmarks and opens space from the viewpoint of landscape. The first part examines landmarks in an urban area, such as castles, churches, bell towers, tall buildings, great hills and tall trees. This project develops a simple analytical model within an urban setting to examine how building height and density affect the area from which the landmark is visible. The probability of visibility from viewpoints will be derived by use of a renewal process. The second part explores urban nightscape. In the first method we present a procedure to measure the solid angle of a nightscape. In the second method we define a technique to count the roads, which axe visible from a given viewpoint. Based on these two methods, we analyze a nightscape in Hakodate from 1975 to 2000 at five-year intervals

  • Research Products

    (4 results)

All Other

All Publications (4 results)

  • [Publications] 蓮香文絵: "山の見えの大きさと校歌に謳われる山との関係"2002年度第37回日本都市計画学会学術研究論文集. 37. 973-978 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 栗田治: "ランダムに分布するランドマークの可視確率に関する数理モデル"慶応大学理工学部管理工学科・Technical Report. 2003-001. (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] F.Hasuka, Y.Ohsawa: "Relation between the Appearance of Mount and Mountain in in School Songs"Journal of the City Planning Institute of Japan. Volume-No.37. 973-978 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] O.Kurita: "Mathematical Model of the Visibility of the Landmarks"Department of Administration Engineering Faculty of Science and Technology Keio University, Technical Report. No.2003-001. (2003)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2005-04-19  

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