Hi David, Just scanned your personal page quickly while i had spare time so sorry up front if i missed anything.
A quick comment on the proposed grading. According to your proposal of tagging grades 6-8, what happens when a track is tagged with 4wd_only=yes and grade=6? Li. On 06/11/2012, at 2:23 PM, David Bannon wrote: > > OK Li, you ask and you shall receive ! > > Here > http://wiki.openstreetmap.org/wiki/User:Davo#Draft_4x4_road_proposal > is my very early draft. You and everyone else is welcome to get stuck > into it, I am not thin skinned ! > > The OSM proposal page says to to be verbose, no one need tell me to be > verbose ! So if its too long, please indicate what needs removing. And > obviously, error and omissions .... > > I am quite unhappy that it really ends up undercutting the 4wd_only tag, > they can coexist but I wonder if they will if this is successful. Its a > shame really, I like 4wd_only and have used it but as I developed my > arguments it became clear to me that we need a finer grain and its > probably easier to add levels to tracktype than it is to 4wd_only. And > it will be easier to get these levels rendered if we go for tracktype. > > David > > David > > > > > On Mon, 2012-11-05 at 17:28 +1100, Li Xia wrote: >> No probs david, and you'll be getting plenty of input from me, watch >> out ;-) >> >> >> A draft would be great. Let me know when it's ready to review. >> >> >> Li. >> >> On 05/11/2012, at 9:10 AM, David Bannon wrote: >> >>> >>> Thanks Li, I have not put that proposal up yet, waiting on a >>> response to a related matter. Soon. >>> >>> And when I do, I'll not be wanting just your vote, it will be your >>> input I will really need ! >>> >>> Maybe I should put a draft up on my personal page while we wait ? >>> >>> David >>> >>> >>> >>> >>> ----- Original Message ----- >>> From: >>> "Li Xia" <lisxia1...@gmail.com> >>> >>> To: >>> "David Bannon" <dban...@internode.on.net> >>> Cc: >>> "OSM Australian Talk List" <talk-au@openstreetmap.org> >>> Sent: >>> Sun, 4 Nov 2012 20:37:52 +1100 >>> Subject: >>> Re: 4WD only tags >>> >>> >>> Hi David, although my opinion is that most render's try to >>> simplify the the stylesheet so the map for ease of >>> comprehension and would not make use of these additional >>> attributes, I see your point and agree that it's useful data >>> to have. Since my company focuses on 4WD maps and >>> navigation, we will certainly take full advantage of this. >>> >>> >>> BTW, do you have the link to the proposal page? Will go and >>> cast a vote. >>> >>> >>> Li. >>> >>> On 04/11/2012, at 2:41 PM, David Bannon wrote: >>> >>> >>> Li, I beg to differ. While I agree that grading of a >>> 4x4 track is subjective, so is much of the other >>> data in the OSM database. Must be that way. >>> >>> The real issue is how important the data is. As I >>> have mentioned, I am concerned that maps are being >>> rendered that ignore this data. Routing engines are >>> potentially sending people down roads that they, and >>> their vehicles are ill suited to. Bad things will >>> definitely happen. >>> >>> The routing people are saying "but these tags don't >>> even show on the OSM maps, why should we worry ?". >>> >>> And as to subjective, while there will always be >>> borderline cases, I don't think it would be too hard >>> to divide tracks up into - >>> >>> * 4x4 recommended - you will might be OK in a >>> conventional car or (better still) an SUV but you >>> have been warned. >>> >>> * 4x4 required - you really need a stock 4x4, a real >>> one with (eg) low ratio. >>> >>> * 4x4 extreme - this is for the death or glory boys, >>> they need experience and modified vehicles. This is >>> a recent addition ! >>> >>> I am pretty sure that if you and I spent a couple of >>> weeks having some driving fun, we'd agree on the >>> vast majority of the tracks we graded. >>> >>> David >>> >>> >>> >>> >>> ----- Original Message ----- >>> From: >>> "Li Xia" <lisxia1...@gmail.com> >>> >>> To: >>> "David Bannon" <dban...@internode.on.net> >>> Cc: >>> "OSM Australian Talk List" >>> <talk-au@openstreetmap.org> >>> Sent: >>> Sun, 4 Nov 2012 13:08:22 +1100 >>> Subject: >>> 4WD only tags >>> >>> >>> Hi David, just my 2 cents on 4WD_only tags. >>> >>> By adding a 4x4 recommended tag will add to >>> the complexity because it's kind of >>> subjective as to which roads/tracks are >>> traversable in a 2WD vehicle, therefor >>> adding another option for this key will >>> further complicate the issue. >>> >>> Li. >>> >>> >> >> > > _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-au
