Re: [Tagging] editing polygons in JOSM

2014-05-28 Thread Martin Koppenhoefer
2014-05-27 20:23 GMT+02:00 Tom Gertin tger...@gmail.com: I want to try to complete several polygon editing operations using JOSM. Anybody know if this is possible or how to accomplish these tasks in JOSM or any other free editor? 1. Clip a polygon using another polygon 2. Cut a polygon

[Tagging] editing polygons in JOSM

2014-05-27 Thread Tom Gertin
I don't know if the tagging listserv is the appropriate forum for this questions, but I can't find a better one. I want to try to complete several polygon editing operations using JOSM. Anybody know if this is possible or how to accomplish these tasks in JOSM or any other free editor? 1. Clip a

Re: [Tagging] editing polygons in JOSM

2014-05-27 Thread Peter Wendorff
Hi Tom Cutting by a line is easy: - add a way with nodes for start and end of the line where it cut's the polygon first and last. - add nodes where that new way intersects the old polygon - split the new way at these nodes - split the old polygon at these nodes - delete the parts of the old

Re: [Tagging] editing polygons in JOSM

2014-05-27 Thread Christoph Hormann
On Tuesday 27 May 2014, Peter Wendorff wrote: Cutting by a line is easy: - add a way with nodes for start and end of the line where it cut's the polygon first and last. - add nodes where that new way intersects the old polygon - split the new way at these nodes - split the old polygon at

Re: [Tagging] editing polygons in JOSM

2014-05-27 Thread Georg Feddern
Am 27.05.2014 21:12, schrieb Peter Wendorff: Am 27.05.2014 20:23, schrieb Tom Gertin: 1. Clip a polygon using another polygon 2. Cut a polygon using a line Cutting by a line is easy: [...] Clipping by a new polygon is basically the same - but draw that new polygon first instead of the line,

Re: [Tagging] editing polygons in JOSM

2014-05-27 Thread Marc Gemis
Since you were also looking for more appropriate places to ask those questions: The help-website: http://help.openstreetmap.org or the editors forum : http://forum.openstreetmap.org/viewforum.php?id=54 regards On Tue, May 27, 2014 at 11:11 PM, Georg Feddern o...@bavarianmallet.dewrote: Am