hi simon, i will seriously think about it. there's my program osmrender.pl which only needs an dijkstra algorithm and some more lines of code. then it would do. please look at the wiki for the map it produces.
http://wiki.openstreetmap.org/wiki/Osmrender.pl of course this can be finetuned. ps: only thing i need is time... gerhard On Tue, 2009-07-14 at 13:20 -0400, si...@mungewell.org wrote: > 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. > > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
