Lesson10
IS415 GeoSpatial Analytics and Applications
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Modelling Geographical Accessibility
Contents
Content
- What is geospatial analytics?
- Motivation of promoting geospatial analytics
- Case study
- An overview of Geographic Information Systems (GIS)
- GIS versus Geospatial Analytics
Must do
Read:
Accessibility Models Based On the Gravity Analogy: In Theory and Practice
Luo, W. & Wang, F (2003) "Measures of Spatial Accessibility to Health Care in a GIS Environment: Synthesis and a Case Study in the Chicago Region", Environment and Planning B: Planning and Design, volume 30, pages 865-884.
Kalogirou, S. (2017) "Spatial Inequality in Accessibility to Hospital in Greece", The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-4/W2, 2017 FOSS4G-Europe 2017 – Academic Track, 18–22 July 2017, Marne La Vallée, France.
In-Class Exercise
- Hands-on Exercise 8. The handout and data sets are available at course eLearn.
R Packages
R function to compute accessibility values
R function to compute network distance matrix
- sh2graph: Tools to Convert a Spatial Network into an Igraph Graph in R.
- osrm: Interface Between R and the OpenStreetMap-Based Routing Service OSRM.
- NetworkDistance: Distance Measures for Networks.
References
Methods
Evaluating Accessibility for Transport Planning
Accessibility Measures: Overview and Practical Applications
Fahui Wang (2012) "Measurement, Optimization, and Impact of Health CareAccessibility: A Methodological Review", Annals of the Association of American Geographers, 102:5,1104-1112, DOI: 10.1080/00045608.2012.657146
Applications
Chen, X. (2017) “Take the edge off: A hybrid geographic food access measure” Applied Geography, Vol. 87, pp. 149-159
Mcgrail, Matthew R. ; Humphreys, John S. (2009) "Measuring spatial accessibility to primary care in rural areas: Improving the effectiveness of the two-step floating catchment area method" Applied Geography, Vol.29(4), pp.533-541.
