On Aug 9, 2009, at 2:23 PM, Liz wrote: > On Mon, 10 Aug 2009, Nop wrote: >> Some people mentioned that the default settings of these tools are >> very >> agressive - this is true and a more lenient approach might produce >> much >> better results. But then, I have not seen any options to change >> this (in >> JOSM). >> > It was in "advanced preferences". Can't find it right now
simplify-way.max-error you need to play a bit with the numbers to find the right one for your use model > >> But on the other hand, there's some areas where you need those tools. >> During my mapping I have found two areas where the way were hideously >> over-defined. When ways have 10 or 20 times more nodes than >> required to >> show their none-too-complex form or when nodes are set in 2m >> distances >> it appears that someone has just uploaded raw GPS traces. This makes >> those areas nearly unusable as even a very modest bounding box will >> exeed the 50k nodes limit. In these cases, simplify way is your good >> friend. >> > I concur > I found about 350 -400 km of highway uploaded (twice) with points at > one per > second at 100kmh travel speed > Once uploaded and made into a way, and then the way deleted without > removing > the points, then uploaded again > and while we have editors that allow that sort of default behaviour, > then we > need simplifying tools > +1 this discussion is pointless. all editors allow deleting ways. why should we bother about the power of simplifying a way. > >> Eventually, in an anarchic open source society like OSM you can't >> take >> away a tool anyway, so don't even try. But it is definitely worth >> refining and pointing out proper and improper uses. > > > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk