Measuring sidewalk distances using Google Earth
نویسندگان
چکیده
منابع مشابه
Measuring sidewalk distances using Google Earth
BACKGROUND Physical activity is an important determinant of health. Walking is the most common physical activity performed by adults and the presence of sidewalks along roads is a determinant of walking. Geographic information systems (GIS) can be used to measure sidewalks; however, GIS sidewalk data are difficult to access. The purpose of this study was to present a new GIS method for measurin...
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ژورنال
عنوان ژورنال: BMC Medical Research Methodology
سال: 2012
ISSN: 1471-2288
DOI: 10.1186/1471-2288-12-39