That is a great point and something I feel strongly about, having created armchair mapper's tools like Battle Grid and Maproulette.
I will make some time to put in a warning notice into these tools that would pop up the first time folks use it. What would a good, concise, cautionary note look like? On Fri, Dec 6, 2013 at 9:08 AM, Richard Welty <[email protected]> wrote: > if you see a discrepancy between aerial imagery and OSM, before you > go adding/changing stuff, check on the history of the stuff that's there > and see if another mapper has worked on things recently (for some > value of recently.) i have done a bunch of work in the past month > adding in a new traffic circle on US 4 in Rensselaer County, NY, > using GPS traces. as part of the process, i removed a slip ramp > from I-90 that was taken out by DOT when they built the new > circle. i just now discovered that another mapper added the slip > ramp back in, presumably because it's in the Bing imagery, which > is at this point 2 or 3 years old. > > this isn't the first time i've been through this; a year or so back > a couple of armchair mappers repeatedly changed a part of Troy > to match obsolete imagery and i kept having to ask them not to > and put back in the recent changes. i now put README tags on > the ways but if i delete something i have no place to put a > README tag. > > imagery goes out of date. armchair mappers must never forget > that. if the imagery doesn't match the map, contact a local mapper > if you can identify one. you could be fixing something that wasn't > actually broken. > > thanks, > richard > > > > _______________________________________________ > Talk-us mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-us > -- Martijn van Exel http://oegeo.wordpress.com/ http://openstreetmap.us/ _______________________________________________ newbies mailing list [email protected] https://lists.openstreetmap.org/listinfo/newbies
