Re: [Tagging] residential granularity / was Re: OSM is ... right ...

2015-06-06 Thread pmailkeey .
On 5 June 2015 at 13:20, Tom Pfeifer t.pfei...@computer.org wrote:

 Martin Koppenhoefer wrote on 2015-06-05 13:36:

 Am 05.06.2015 um 11:33 schrieb David Fisher djfishe...@gmail.com:

 As for landuse=residential -- I agree that we could probably do
 without it.  But it does add to the readability of the map, especially
 at low zoom levels, as it enables you to see at a glance where places
 are and how big they are.


 residential landuse is often seen as default, it is often used to mark
 the

  built up area rather than just the residential areas (especially in
 villages).
  We should encourage place polygons for this and restrict the use of
 residential
  landuse to residential areas.

 +1. Drawing a residential around a village was the early attempt with
 low-res
 aerial images. With the level of detail you get from both 20cm imagery and
 open-data property boundaries, my preferred level of granularity is up to a
 block, i.e. the landuse surrounded by residential roads (but not glued to
 them).

 This easily allows to draw complementary landuse,
 such as retail/commercial/religious/green areas
 without the need for multipolygons.

 As a first approach when splitting larger landuse, I typically split at
 secondary/tertiary roads.

 tom


I'm doing it - using =residential for settlement. Of course, =settlement
(or =place) would be better for this than =residential.

Residential in any case is somewhat vague. People do reside at work as well
as home.


-- 
Mike.
@millomweb https://sites.google.com/site/millomweb/index/introduction -
For all your info on Millom and South Copeland
via *the area's premier website - *

*currently unavailable due to the country's ongoing harassment of me, my
family, property  pets*

TCs https://sites.google.com/site/pmailkeey/e-mail
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[Tagging] residential granularity / was Re: OSM is ... right ...

2015-06-05 Thread Tom Pfeifer

Martin Koppenhoefer wrote on 2015-06-05 13:36:

Am 05.06.2015 um 11:33 schrieb David Fisher djfishe...@gmail.com:

As for landuse=residential -- I agree that we could probably do
without it.  But it does add to the readability of the map, especially
at low zoom levels, as it enables you to see at a glance where places
are and how big they are.


residential landuse is often seen as default, it is often used to mark the

 built up area rather than just the residential areas (especially in villages).
 We should encourage place polygons for this and restrict the use of 
residential
 landuse to residential areas.

+1. Drawing a residential around a village was the early attempt with low-res
aerial images. With the level of detail you get from both 20cm imagery and
open-data property boundaries, my preferred level of granularity is up to a
block, i.e. the landuse surrounded by residential roads (but not glued to them).

This easily allows to draw complementary landuse,
such as retail/commercial/religious/green areas
without the need for multipolygons.

As a first approach when splitting larger landuse, I typically split at
secondary/tertiary roads.

tom

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Re: [Tagging] residential granularity / was Re: OSM is ... right ...

2015-06-05 Thread johnw

 On Jun 5, 2015, at 9:20 PM, Tom Pfeifer t.pfei...@computer.org wrote:
 
 +1. Drawing a residential around a village was the early attempt with low-res
 aerial images. With the level of detail you get from both 20cm imagery and
 open-data property boundaries, my preferred level of granularity is up to a
 block, i.e. the landuse surrounded by residential roads (but not glued to 
 them).


+1

Yea, there are some easily defined planned residential neighborhoods in Japan - 
but honestly there are very few of them, especially  compared to the US where 
there is pretty strict zoning in the suburbs - vs no zoning whatsoever in 
suburban/rural Japan. 

I really like adding the landuses sub-block by sub-block, and in many cases 
plot to plot, because the imagery was good enough to do it. 

it is also a ton easier than drawing all the houses - as the houses in Japan 
are 1/2 size and crammed very close to one another, so tracing them is very 
tedious. 

Getting the basic landuses + parks in between the residential roads really adds 
detail to the map with little effort. 

http://www.openstreetmap.org/#map=17/36.43462/139.04558 
http://www.openstreetmap.org/#map=17/36.43462/139.04558


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