AN ANALYSIS ON THE DISTRIBUTION OF THE TOTAL FLOORAGE OF BUSINESS USE BUILDINGS IN TOKYO WARDS BASED ON CIS BUILDING DATA AND SQUARE GRID SYSTEM

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  • SAKATA Tomohiko
    Department of Arch., Graduate School of Eng., Tokyo Metropolitan Univ.
  • YOSHIKAWA Tohru
    Department of Arch., Graduate School of Eng., Tokyo Metropolitan Univ.

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  • GIS建物データとメッシュシステムに立脚した東京都区部における延べ床面積規模別事業所系建築物の地理的分布の分析
  • GIS タテモノ データ ト メッシュ システム ニ リッキャク シタ トウキョウトクブ ニ オケル ノベ ユカメンセキ キボ ベツ ジギョウショケイ ケンチクブツ ノ チリテキ ブンプ ノ ブンセキ

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Abstract

This paper aimed to analyze the distribution of the existing total floorage of business use in Tokyo wards based on CIS building data and square grid system. It is difficult to acquire the complete and broad-based total floorage data of business use. To this end, we estimated alternatively the existing total floorage of business use by the 1/4 national standard grid square spaces using building polygon data of Tokyo Metropolitan Government City Planning Map System. We analyzed the characteristic of distributions of the business use buildings in Tokyo wards with the rate of buildings by total floorage ranges. In order to avoid the uncertainty in the number of samples using a small contributional block, we decided the optimum grid size based on Akaike Information Criterion.

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