[Talk-us] Finding new roads
penorman at mac.com
Tue Jan 17 08:48:26 GMT 2012
> From: Toby Murray [mailto:toby.murray at gmail.com]
> Subject: Re: [Talk-us] Finding new roads
> On Mon, Jan 16, 2012 at 6:48 PM, Nick Hocking <nick.hocking at gmail.com>
> > I believe that OSm's most usefull attribute is to be up to date.
> > The only real way to do this is with a local mapper but bringing the
> > USA up to Tiger 2011 up-to-datedness would be a great start.
> > Are there tools to....
> > 1. Compare named OSM roads with Tiger 2011 roads and highlight just
> > the new ones.
> I forget who originally posted this but the only thing along these lines
> that I've seen before is to convert new TIGER data to .osm and then load
> it up as a second layer in JOSM. Change the "inactive" color to
> something bright and then load current OSM data on top as the active
> layer. At an appropriate zoom level the bright colored, inactive
> background layer with new data will only show where there is not any
> existing OSM data to blot it out.
Turning on wireframe mode will also help. Antialiasing can allow some of the
background colour to be visible, but wireframe mode turns this off.
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