So while we're at it, here's a shameless plug for my own spatial network analysis tool with a python API. It produces weighted network stats (accessibility, fl

So while we're at it, here's a shameless plug for my own spatial network analysis tool with a python API. It produces weighted network stats (accessibility, flows, severance, efficiency) which typically feed into spatial data analysis. http://www.cf.ac.uk/sdna/sdna-for-python-enthusiasts/ http://www.cf.ac.uk/sdna/sdna-for-python-enthusiasts/