Re: [Tagging] deforestation tag

2014-05-05 Thread Martin Koppenhoefer
2014-05-05 11:45 GMT+02:00 Pieren : > Either both "landuse" and "landcover" are always matching 100% and > then using two tags instead of one is not really an improvment. Or the > polygons are not 100% identical and you create a mess of two "land" > layers which are sometimes overlapping, sometime

Re: [Tagging] deforestation tag

2014-05-05 Thread Pieren
On Sun, May 4, 2014 at 12:32 PM, John Packer wrote: > I didn't understand. > When is landuse=grass and landcover=grass different things? If it's just to rename the tag, then we have no advantage to change 1.400.000 polygons and all data consumers... On Sun, May 4, 2014 at 2:26 PM, Yves wrote: >

Re: [Tagging] deforestation tag

2014-05-04 Thread Yves
Landcover describes what covers the land, landuse what is it used for by man. Hence landcover=grass and landuse=meadow, you can perfectly use these two tags on the same polygon, or on two overlapping ones. Yves On 4 mai 2014 12:32:08 UTC+02:00, John Packer wrote: >I didn't understand. >When is l

Re: [Tagging] deforestation tag

2014-05-04 Thread Martin Koppenhoefer
> Am 04/mag/2014 um 12:00 schrieb Pieren : > > -1 > Since "landuse" and "landcover" are not always matching, you create > two separate layers of "land" polygons partially overlapping each > other. naturally, this is how the world is made. IMHO representing reality with its different aspects i

Re: [Tagging] deforestation tag

2014-05-04 Thread John Packer
I didn't understand. When is landuse=grass and landcover=grass different things? Em 04/05/2014 07:02, "Pieren" escreveu: > On Fri, May 2, 2014 at 7:21 PM, John Packer > wrote: > >> +1, landuse=grass does not make sense, as "grass" is not a "use", use > >> landcover=grass for grass covered areas,

Re: [Tagging] deforestation tag

2014-05-04 Thread Pieren
On Fri, May 2, 2014 at 7:21 PM, John Packer wrote: >> +1, landuse=grass does not make sense, as "grass" is not a "use", use >> landcover=grass for grass covered areas, and landuse=meadow, if it is a >> meadow > I would love to replace all landuse=grass to landcover=grass on my city, but > Mapnik d

Re: [Tagging] deforestation tag

2014-05-02 Thread John Packer
> > +1, landuse=grass does not make sense, as "grass" is not a "use", use > landcover=grass for grass covered areas, and landuse=meadow, if it is a > meadow I would love to replace all landuse=grass to landcover=grass on my city, but Mapnik doesn't render landcover=grass. (e.g. http://www.openstre

Re: [Tagging] deforestation tag

2014-05-02 Thread Martin Koppenhoefer
2014-04-29 15:19 GMT+02:00 fly : > Are you talking about landcover or landuse ? > > If the trees where cut and new ones are growing this is still > landuse=forest. > > If there are plans for building houses this might be landuse=greenfield > and later on landuse=construction. > > landuse=farm is d

Re: [Tagging] deforestation tag

2014-04-29 Thread fly
Are you talking about landcover or landuse ? If the trees where cut and new ones are growing this is still landuse=forest. If there are plans for building houses this might be landuse=greenfield and later on landuse=construction. landuse=farm is deprecated, please use farmland or farmyard. land

[Tagging] deforestation tag

2014-04-25 Thread Tom Gertin
Hello, I am working on validating Tile in Punia, DRC ( http://mapgive.state.gov/learn-to-map/#select-a-task). One of the issues I have is that people are marking some deforested areas in some odd ways: -landuse = farm -area = yes, named = Burned forest -landuse = grass -natural = land is th