Space Syntax OpenMapping GB
Open Source Spatial Accessibility Map
I was lead developer on a pre-processed spatial network model of Great Britain, published as an open dataset.
Produced to disseminate the Space Syntax approach in ways that are affordable and accessible, the OpenMapping project provides data on two key ‘spatial accessibility’ measures commonly used in research and professional practice:
- Choice – the likelihood that movement will pass through any particular street
- Integration – the relative ease with which any location can be moved to from all other locations.
These measures are calculated at three spatial scales:
- 2km – helpful when assessing the walkability of an area
- 10km – often used to assess vehicle movement patterns
- 100km – a scale that typically reveals regional inequalities.
This included the production of a new space syntax measure "Choice Rank" which creates a scale free normalised measure that shows hierarchy at all scales without errouneous hotspots typical of Normalised Choice. [article/bounded-graph-measures/](see the article on normalising bounded graph measures.)