2014-05-27 1:48 GMT+02:00 Fernando Trebien :
> Hello everyone,
>
> From time to time there's a discussion in the Brazilian community on
> how to tag an "urban perimeter". In Brazil, this is a legally defined
> area with some defined characteristics, such as:
> - different kind and level of environ
On Tue, May 27, 2014 at 7:18 AM, Martin Koppenhoefer
wrote:
> For settlements (in urbanism / settlement geographic terms) my suggestion is
> to use place=* on an area.
There is one problem when using place: people start to duplicate data.
What is already present/available in the place node is dup
On Tue, May 27, 2014 at 7:18 AM, Martin Koppenhoefer
wrote:
> I don't know in Brazil, but in Italy or Germany the maxspeed for built-up
> areas does not correspond perfectly with the settlement extension but is
> indeed yet another thing to consider. It is basically defined by street
> signs (star
I like Nelson's idea of using a new value for "boundary" to represent
this, mainly because the perimeter is not "ground truth" but an
invisible "legal definition" that roughly matches the urbanized area.
I was wondering if this concept exists elsewhere so that we can even
propose such value in a wa
2014-05-27 15:01 GMT+02:00 Nelson A. de Oliveira :
> On Tue, May 27, 2014 at 7:18 AM, Martin Koppenhoefer
> wrote:
> > For settlements (in urbanism / settlement geographic terms) my
> suggestion is
> > to use place=* on an area.
>
> There is one problem when using place: people start to duplicate
2014-05-27 15:37 GMT+02:00 Fernando Trebien :
> I like Nelson's idea of using a new value for "boundary" to represent
> this, mainly because the perimeter is not "ground truth" but an
> invisible "legal definition" that roughly matches the urbanized area.
>
IMHO the extension of a settlement is
On Tue, May 27, 2014 at 3:37 PM, Fernando Trebien
wrote:
> I like Nelson's idea of using a new value for "boundary" to represent
> this, mainly because the perimeter is not "ground truth" but an
> invisible "legal definition" that roughly matches the urbanized area.
> I was wondering if this conce
On Tue, May 27, 2014 at 11:27 AM, Pieren wrote:
> That's the point. Is it "legal" or just the sum of all urbanized
> "landuse" 's (residential, industrial, retail). Does it include
> backyards, garden, orchard, etc ? The limit is often clear on the road
> (first/last building + road sign) but fuzz
Yes, in Brazil that is a legal definition. That's why it will often
not correspond to areas marked using landuse=*. You may find farms on
the urban side of those limits (whose residents pay taxes under the
urban tax system), and dense urban settlements on the outside (whose
residents pay taxes unde
2014-05-27 17:44 GMT+02:00 Nelson A. de Oliveira :
> The urban limit/boundary is legal (defined by law) here in Brazil. It
> may englobe areas that still lack a specific use or are not yet
> populated.
> It's not only a simple sum of the landuses.
> It determines, for example, the area that is tax
2014-05-27 17:53 GMT+02:00 Fernando Trebien :
> The "urban perimeter" is a "major factor" used by transit authorities
> to establish maximum speeds, but not the only criteria for that. So
> yes, you do find a few high speed highways on the urban side and a few
> low speed areas on the rural side,
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 p
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 polygo
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
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, th
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 wrote:
> Am 27.05.2014 21:12, schrieb
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