OpenStreetMap
I'm tracing I-17 starting in Flagstaff and heading south. In this context, tracing is:
1) adjusting the OSM motorway (mostly TIGER) to match Yahoo image,
2) adding a north (or south) bound motorway were OSM has only one way for this divided freeway,
3) adjusting motorway_links to match Yahoo image,
4) adjusting ways that connect to motorway_links to give a smooth transition to the existing ways, and
5) adding bridge and layer tags where needed.
Discussion
Cummentu di acrosscanadatrails lu 11 August 2008 ê 19:13
Im trying to grasp the concept of using imported data. (as GeoBase isnt yet imported) which contains roads and road names of canada) .. is this Tiger Data imported as a JOSM layer? where you can go in and view the OSM stuff on another layer, then flip back (view/hide) the Tiger data to see where is missing, and what is more accurate?
Curious,
Sam
Cummentu di n7xsd lu 11 August 2008 ê 20:07
Beware, I'm a newbie. People on OSM-Talk and OSM-Newbie know a lot more than I. If my answer doesn't help, ask again there.
In this case, I didn't import any data. Someone else already imported the US Census TIGER data into OSM.
It's great having something to start with but the data isn't as accurate as I would like. I used JOSM to download parts of I-17 and nearby streets and the Yahoo images. Then I edited the ways to match the photos and then used JOSM to upload my changes to OSM.
It helps that I travel I-17 several times a year. The Yahoo aimages alone wouldn't be enough. After my next trip, I'll compare the ways I travelled with my GPS log.