On Sun, Nov 22, 2009 at 1:53 AM, Andrew Errington <[email protected]> wrote: > On Sun, November 22, 2009 10:33, Ed Hillsman wrote: >> Can anyone suggest a way to get the building to stay squared up? I >> know that at low zoom levels, it doesn't make much difference, but we are >> developing an application for disabled students who will use it at high >> zoom levels, and fidelity to building shapes will help with our >> credibility. Thanks in advance for any suggestions you can offer. > > 1. Create the building outlines from the aerial photos in Potlatch[1] and > save your work. > 2. Use JOSM to download the area you have been working on. > 3. For each building select it and press 'Q' to square up the vertices of > the building. JOSM does a reasonable job at this. > 4. Upload your work. Wait a while for it to be rendered, then check the > results. > > If there's a better way someone will surely announce it here.
Just use JOSM from A-Z in the first place ?:) It has better tools than Potlatch for tracing buildings, including a special plugin for that purpose. It's also really useful to be able to zoom into your imagery past z18 which Potlatch can't do. _______________________________________________ newbies mailing list [email protected] http://lists.openstreetmap.org/listinfo/newbies

