Evaluating accessibility based on min-sum distance weighted by population distribution

In this article, we try to evaluate accessibility based on min-sum distance weighted by population distribution in Ome, Tokyo.


We can basically say that the population of certain place is directly proportional to a gross area of certain building. Therefore, we can add values of population to each nodes.

To consider the outside population distribution of this area, we divide outside area into 6 super nodes, and add the values as attributes.

Walking + JR (Japan Railway): Heatmap (the individual values represented as colors. Red shows high values and blue shows low value)
Walking + JR: Top 100 Ranking
Walking + JR: 1st was Higashi-Ōme Station
Car accessibility: Heatmap (the individual values represented as colors.
Car accessibility: Top 100 Ranking
Car accessibility: 1st was Nishi-Tama health center