[OSM-talk] 'Distance to feature' maps?

[simon at mungewell.org]

Has anyone done any work in the area of making maps representing 'distance
to feature' as measure along routable roadways/footways?

Local school board is trying to drop school bus service school kids (from
grade 1 up) within 2.0km of school and get them to walk to school (bear in
mind this is a rural community with -40'C winters, wildlife such as
bears/cougars and an ungated CPR train route through it).

I have some ideas about representing the data, but does anyone have any
suggestions on how to parse through each node and measure the distance
along each way to produce a list with 'distance to school' tag for every
hightway node? Is this the 'best' approach?

The node list would/could then be passed through a variant of
'strm2osm.pl' to produce a contour layer, and then merged/plotted with
osmarender.


I could also imagine that this 'work' might be usefull in 'distance to
nearest .... [bus stop, post box, etc]' maps/datasets.

Cheers,
Simon.