文章基本信息

标题：Estimating O–D travel time matrix by Google Maps API: implementation, advantages, and implications
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作者：Fahui Wang ; Yanqing Xu
期刊名称：Annals of GIS
印刷版ISSN：1947-5683
出版年度：2011
卷号：17
期号：4
页码：199-209
DOI：10.1080/19475683.2011.625977
语种：English
出版社：Taylor & Francis Ltd.
摘要：Many spatial analysis tasks call for the use of travel time between multiple origins and destinations, that is, O–D travel time matrix. Commercial geographical information systems (GIS) software requires the input of a well-defined road network dataset and significant efforts in implementing the task. However, road network data are often outdated, miss critical road condition details, or are expensive to acquire; and skillful usage of related software is a major obstacle for researchers without advanced training in GIS. This research develops a desktop tool for implementing the task by calling the Google Maps Application Programming Interface (API). By doing so, we are able to tap into the dynamically updated transportation network data and the routing rules maintained by Google and obtain a reliable estimate of O–D travel time matrix. The results are compared with those computed by the ArcGIS Network Analyst module to demonstrate its advantages. A case study in accessibility analysis is presented to illustrate the implications.
关键词：O–D travel time matrix;Google Maps API;network analysis;spatial analysis