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GIS Based Studies in the Humanities and Social Sciences - Chpater 19

Nhiều phương pháp tiếp cận để đánh giá trang web đã được phát triển trong địa lý để đánh giá các trang web về nhà ở và các cơ sở bán lẻ (Orford, năm 1999; Jones và Simmons, 1990). Những phương pháp tiếp cận đánh giá một trang web trong điều khoản của hai yếu tố, chẳng hạn như trang web riêng của mình và vị trí của nó. Yếu tố trang web có liên quan đến rất nhiều trong đó cơ sở có thể được đặt và môi trường vật lý trực tiếp liên quan đến cơ sở. Yếu tố vị trí được. | 19 Visualization for Site Assessment Hiroyuki Kohsaka and Tomoko Sekine CONTENTS 19.1 Introduction .279 19.2 Multilevel Measures of Accessibility and Its Spatial Variation within Residential Districts.281 19.2.1 Accessibility Measured at the Residential-District Level.281 19.2.2 Accessibility Measured at 100 M Mesh Level.282 19.2.3 Visualization of Spatial Variation in Accessibility within a Residential District.284 19.2.3.1 Bivariate Map of Accessibility and Its Variability 285 19.2.3.2 Composite Map of Accessibility by Two-Level Visualization.287 19.2.3.3 Accessibility Map at Variable Spatial Level.289 19.3 Measure of Accessibility by Highly Accurate Simulation and Its Visualization.290 19.3.1 Population as Demand Volume.290 19.3.2 Development of Road Network.291 19.3.3 Measure of Navigation Road Distance by Highly Accurate Simulation Considering Complex Traffic Conditions.292 19.4 Conclusion.296 References.298 19.1 Introduction Numerous approaches for site assessment have been developed in geography to evaluate sites for housing and retail facilities Orford 1999 Jones and Simmons 1990 . These approaches evaluate a site in terms of two factors 279 Copyright 2006 Taylor Francis Group LLC 280 GIS-based Studies in the Humanities and Socail Sciences such as the site itself and its location. Site factor is related to the lot in which a facility may be located and the physical environment directly related to the facility. Location factor is connected with its surrounding which provides opportunity of use or demand. Recently site-assessment approaches have been performed on GIS to handle very complicated consumer markets Bir-kin et al. 2004 . Accessibility is one of the major elements for the location factor in site assessment. Accessibility is measured from two sides demand and supply. The measure of accessibility from the residential site to retail and service facilities is related to evaluate a housing site from the demand side. Five types of accessibility measures .