[talk-ph] Duplicated highways

2017-09-28 Thread David Groom
In southern Mindanao there are a number of highways which have 
duplicated ways, but often with different highway classifications (for 
example one way being marked as trunk, the other as primary).


As an indication of where they are see here  
http://tools.geofabrik.de/osmi/?view=routing&lon=124.83883&lat=6.36641&zoom=9&overlays=duplicate_ways 
  The blue lines indicate part of the duplication, though the actual 
duplicated sections are much longer.


I don't feel confident in choosing which of these duplicated ways are 
correct and deleting the incorrect one.


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Re: [talk-ph] landuse = farm

2017-05-02 Thread David Groom

Thanks for showing me those previous discussions

-- Original Message --
From: "Eugene Alvin Villar" 
To: "David Groom" 
Cc: "OpenStreetMap Philippines" 
Sent: 02/05/2017 04:31:46
Subject: Re: [talk-ph] landuse = farm

Of the 3 options, I also favor option 3. For the record, I've been 
saying that landuse=farmland (or landuse=farm before) should be tagged 
on the entire farm area and not on individual fields (or rice paddies 
if crop=rice). See this post of mine from 2009:


https://lists.openstreetmap.org/pipermail/talk-ph/2009-November/001545.html

There's also a relevant discussion in 2014 regarding the mapping of 
individual farm fields/paddies (thread archive is split into two 
months):


https://lists.openstreetmap.org/pipermail/talk-ph/2014-August/005229.html
https://lists.openstreetmap.org/pipermail/talk-ph/2014-October/005318.html

For the specific case of rice paddies, there are actually two ways you 
can go about mapping things (once you've marked up the whole area as a 
single landuse=farmland):


1. Mark the borders between paddies as ways as these are raised lines 
of land that serve as walls to hold the water and secondarily serve as 
footpaths (but shouldn't be tagged as highway=*) to access individual 
paddies. There was the suggestion to use man_made=bund or 
man_made=embankment or something similar but no decision was made.


2. Mark the paddies as individual polygons.

~Eugene

On Tue, May 2, 2017 at 3:28 AM, David Groom  
wrote:


During early April I looked at  nodes/ways/relations tagged as 
landuse=farm as reclassified many of them as appropriate.


Howver , in some places I noted that individual fields had been tagged 
using landuse = farm, for example:


https://www.openstreetmap.org/#map=19/11.225924767247454/124.54216374231005 
<https://www.openstreetmap.org/#map=19/11.225924767247454/124.54216374231005>
https://www.openstreetmap.org/#map=18/16.933969/121.13637 
<https://www.openstreetmap.org/#map=18/16.933969/121.13637>
https://www.openstreetmap.org/#map=17/14.883274660783613/120.25851326487962 
<https://www.openstreetmap.org/#map=17/14.883274660783613/120.25851326487962>



At present I have done nothing with these ways

The standard use in OSM for landuse=farmland is for it to be used on 
larger areas, rather than individual fields


There appears to be no approved tag in OSM for fields, (though taginfo 
<https://taginfo.openstreetmap.org/keys/field#values> shows field=yes 
used on 388 occasions worldwide)


There seem to be a number of possibilities regarding these ways:

1) retag them as landuse=farmland
2) delete them and draw a single way round the larger outline of all 
the adjacent fields and tag this as landuse=farmland
3) retag  them as field=yes, and also draw a single way round the 
larger outline of all the adjacent fields and tag this as 
landuse=farmland.


Of these I think I favour approach 3 as it keeps the field data in OSM 
(someone might have a use for this)


What are your thoughts?

Regards

David





-- Original Message --
From: "David Groom" 
To: "OpenStreetMap Philippines" 
Sent: 31/03/2017 12:23:53
Subject: Re: [talk-ph] landuse = farm

I don't think it will take too long for one person to do this, but I 
may be mistaken.


It will also be an opportunity to look at some of the areas tagged as 
"landuse = farm", and merge them into adjacent areas where 
appropriate.


David


-- Original Message --
From: "Eugene Alvin Villar" 
To: "David Groom" 
Cc: "OpenStreetMap Philippines" 
Sent: 30/03/2017 00:56:18
Subject: Re: [talk-ph] landuse = farm

On Mon, Mar 27, 2017 at 10:06 PM, David Groom 
 wrote:


Shall I start looking at the  relations and ways and change where 
appropriate from "landuse = farm" to "landuse = farmland"?


What do you think?


Go for it! Would it also make sense to turn this into a Maproulette 
task?


~Eugene


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Re: [talk-ph] Bridges mapped as link roads or ramps

2017-05-02 Thread David Groom

I have no idea why i wrote what I did in that last post on this topic !

What I meant to write was:

I think it would be appropriate to re-tag these with the appropriate 
highway type , ensuring that "bridge=yes" and "layer=1" are also on the 
way


David

-- Original Message --
From: "David Groom" 
To: "talk-ph" 
Sent: 27/04/2017 16:46:15
Subject: Re: [talk-ph] Bridges mapped as link roads or ramps

I think it would be OK to re-tag these as the appropriate highway type 
with "_link".


David

-- Original Message --
From: "Jherome Miguel" 
To: "talk-ph" 
Sent: 21/04/2017 13:11:48
Subject: [talk-ph] Bridges mapped as link roads or ramps

There are a lot of bridges in Samar that are still mapped as link 
roads or ramps and this brought misleading directions when I got 
directions between Manila and Tacloban, and it is also the problem 
when routing on Cagayan Valley Road in Bulacan and Nueva Ecija, for 
example, when getting directions from Manila to Tuguegarao or any 
point in Nueva Ecija, Aurora, Nueva Vizcaya, Quirino, Isabela, or 
Cagayan. Having bridges mapped as link roads makes routers say that 
you take the ramp, or other instructions. I do not know who made such 
mapping, but it is in the past years and no one have floated that 
mapping by any user[s], that should have been fixed earlier before it 
can affect directions.


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Re: [talk-ph] landuse = farm

2017-05-01 Thread David Groom


During early April I looked at  nodes/ways/relations tagged as 
landuse=farm as reclassified many of them as appropriate.


Howver , in some places I noted that individual fields had been tagged 
using landuse = farm, for example:


https://www.openstreetmap.org/#map=19/11.225924767247454/124.54216374231005
https://www.openstreetmap.org/#map=18/16.933969/121.13637
https://www.openstreetmap.org/#map=17/14.883274660783613/120.25851326487962


At present I have done nothing with these ways

The standard use in OSM for landuse=farmland is for it to be used on 
larger areas, rather than individual fields


There appears to be no approved tag in OSM for fields, (though taginfo 
<https://taginfo.openstreetmap.org/keys/field#values> shows field=yes 
used on 388 occasions worldwide)


There seem to be a number of possibilities regarding these ways:

1) retag them as landuse=farmland
2) delete them and draw a single way round the larger outline of all the 
adjacent fields and tag this as landuse=farmland
3) retag  them as field=yes, and also draw a single way round the larger 
outline of all the adjacent fields and tag this as landuse=farmland.


Of these I think I favour approach 3 as it keeps the field data in OSM 
(someone might have a use for this)


What are your thoughts?

Regards

David





-- Original Message --
From: "David Groom" 
To: "OpenStreetMap Philippines" 
Sent: 31/03/2017 12:23:53
Subject: Re: [talk-ph] landuse = farm

I don't think it will take too long for one person to do this, but I 
may be mistaken.


It will also be an opportunity to look at some of the areas tagged as 
"landuse = farm", and merge them into adjacent areas where appropriate.


David


-- Original Message --
From: "Eugene Alvin Villar" 
To: "David Groom" 
Cc: "OpenStreetMap Philippines" 
Sent: 30/03/2017 00:56:18
Subject: Re: [talk-ph] landuse = farm

On Mon, Mar 27, 2017 at 10:06 PM, David Groom 
 wrote:


Shall I start looking at the  relations and ways and change where 
appropriate from "landuse = farm" to "landuse = farmland"?


What do you think?


Go for it! Would it also make sense to turn this into a Maproulette 
task?


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Re: [talk-ph] Tagging of air conditioning repair/servicing centers

2017-04-28 Thread David Groom


If they also sell air conditioning units then maybe

shop=hvac  (used 34 times in OSM already 
https://taginfo.openstreetmap.org/search?q=shop%3Dhvac)

repair=yes

This would be similar to tagging for a computer shop, 
http://wiki.openstreetmap.org/wiki/Tag:shop%3Dcomputer


David


-- Original Message --
From: "Jherome Miguel" 
To: "talk-ph" 
Sent: 28/04/2017 15:26:30
Subject: [talk-ph] Tagging of air conditioning repair/servicing centers

I have encountered a mistagged air conditioning service center around 
Batangas City, added via MAPS.ME, and I retagged it with craft=hvac and 
shop=trade. But the Philippines tagging conventions 
(https://wiki.openstreetmap.org/wiki/Philippines/Mapping_conventions) 
has no recommended tagging for such establishment. Air conditioning 
repair/servicing centers are common and mostly accept repair/servicing 
of air conditioning units of any or select brands, as authorized by the 
producers when seen on signage (e.g. Carrier/Condura Authorized Service 
Center) and when mapping those, there are no clear tags recommended for 
such business. How about possible tags, aside from the one I used here 
(http://www.openstreetmap.org/node/4360912990)?


(This is a Philippines tagging-specific issue, so I better sent this 
message to the talk-ph mailing list.)


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Re: [talk-ph] Bridges mapped as link roads or ramps

2017-04-27 Thread David Groom
I think it would be OK to re-tag these as the appropriate highway type 
with "_link".


David

-- Original Message --
From: "Jherome Miguel" 
To: "talk-ph" 
Sent: 21/04/2017 13:11:48
Subject: [talk-ph] Bridges mapped as link roads or ramps

There are a lot of bridges in Samar that are still mapped as link roads 
or ramps and this brought misleading directions when I got directions 
between Manila and Tacloban, and it is also the problem when routing on 
Cagayan Valley Road in Bulacan and Nueva Ecija, for example, when 
getting directions from Manila to Tuguegarao or any point in Nueva 
Ecija, Aurora, Nueva Vizcaya, Quirino, Isabela, or Cagayan. Having 
bridges mapped as link roads makes routers say that you take the ramp, 
or other instructions. I do not know who made such mapping, but it is 
in the past years and no one have floated that mapping by any user[s], 
that should have been fixed earlier before it can affect directions.


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[talk-ph] fish farms

2017-04-02 Thread David Groom
In my review of areas tagged as "landuse = farm"  I have come across the 
following tag combinations


"landuse = farm"; "crop = fish"
"landuse = farm"; "name = Aquatic Farm"
"landuse = farm"; "note = Fish farm"
"landuse = farm";  "livestock = fish"

Looking at   
http://wiki.openstreetmap.org/wiki/Tag:landuse%3Daquaculture   it would 
seem better tagging would be


either:

"natural = water"; "produce = fish" - currently used 23 times in the 
Philippines

 OR
"natural = water"; "landuse = aquaculture"; "aquaculture = fish" - 
currently used 53 times in the Philippines


I would therefore propose that these areas currently tagged with 
"landuse = farm" along with another tag to indicate fish farming be 
changed to "natural = water"; "landuse = aquaculture"; "aquaculture = 
fish"


Would that be OK?

Regards

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Re: [talk-ph] landuse = farm

2017-03-31 Thread David Groom
I don't think it will take too long for one person to do this, but I may 
be mistaken.


It will also be an opportunity to look at some of the areas tagged as 
"landuse = farm", and merge them into adjacent areas where appropriate.


David


-- Original Message --
From: "Eugene Alvin Villar" 
To: "David Groom" 
Cc: "OpenStreetMap Philippines" 
Sent: 30/03/2017 00:56:18
Subject: Re: [talk-ph] landuse = farm

On Mon, Mar 27, 2017 at 10:06 PM, David Groom  
wrote:


Shall I start looking at the  relations and ways and change where 
appropriate from "landuse = farm" to "landuse = farmland"?


What do you think?


Go for it! Would it also make sense to turn this into a Maproulette 
task?


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[talk-ph] landuse = farm

2017-03-27 Thread David Groom

I've just seen this discussion on the main OSM talk list

https://lists.openstreetmap.org/pipermail/talk/2017-March/077741.html

The standard OSM rendering will soon drop the rendering of "landuse = 
farm".


There are :

66 Relations
7,390 ways
71 Nodes (interestingly the wiki did not recommend this tag on a node)

tagged "landuse = farm" in the Philippines.

Shall I start looking at the  relations and ways and change where 
appropriate from "landuse = farm" to "landuse = farmland"?


What do you think?

Regards

David


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Re: [talk-ph] Residential.

2017-03-01 Thread David Groom


I've just forced a refresh of the affected tiles.

David


-- Original Message --
From: "Jim Morgan" 
To:
Cc: "OpenStreetMap Philippines" 
Sent: 22/02/2017 03:55:48
Subject: Re: [talk-ph] Residential.


Eugene Alvin Villar wrote on Wednesday, 22 February, 2017 04:17 AM:
 The wrong label is persisting on the map because low zoom level tiles 
are not refreshed as often. I'm not sure when these are refreshed.


Aha. That makes sense. Always ask an expert!

Jim

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[talk-ph] way ID 353779765

2016-10-18 Thread David Groom
I'm aware that Bing & Mapbox imagery may be out dated, but is 
https://www.openstreetmap.org/way/353779765  really a riverbank?


David

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Re: [talk-ph] areas of mangrove

2016-04-30 Thread David Groom

Eugene
Thanks  Its so hard to look thorough all the past postings on the list

Regards
David


On 01/05/2016 00:06, Eugene Alvin Villar wrote:

Hi David,

Mangroves and wetlands have been discussed here in 2009 and 2010 but 
no definite convention or guidelines was agreed upon. Please see the 
following two threads for the previous discussions:


https://lists.openstreetmap.org/pipermail/talk-ph/2009-April/000695.html
https://lists.openstreetmap.org/pipermail/talk-ph/2010-July/002398.html

Based on agreed practice in OSM, the natural=coastline is defined to 
be the high water line. So mangrove areas would be normally at the 
seaward side of OSM's coastlines. But I think the answer is between 
your approach 1 and 2. Mangroves can actually extend to the land-side 
of the coastline as the ground there would still be saturated with sea 
water even if the ground is not submerged at high tide. The problem 
is, the high-water line will rarely be visible on satellite imagery. 
So I think we just map using approach 2 when doing remote/armchair 
mapping and then hope that these can be refined in the future using 
actual field surveys.


Regards,
Eugene


On Sat, Apr 30, 2016 at 10:14 AM, David Groom <mailto:revi...@pacific-rim.net>> wrote:


There are two different approaches used in mapping mangrove  areas
in OSM

1)  Treat the boundary of the mangrove and the openwater sea as
the coastline, and then map the area between that line and the
"dry" land as wetland.  This means that the wetland symbols are
rendered over the white colour of the land, and that at zoom
levels 12 and lower the mangrove areas simply get shown as white,
with the sea outside them.

2)  Treat the boundary of the mangrove and the "dry" land as the
coastline, and then map the area between that line and the
openwater sea as wetland.  This means that the wetland symbols are
rendered over the blue colour of the sea, and that at zoom levels
12 and lower the mangrove areas simply get shown as blue sea.

Early today I added some mangrove areas and followed approach 2
because the coastline had been accurately mapped along the
mangrove / dry land boundary, as so I simply added the mangrove
area outside this, as it seemed the existing mapper had cleary
thought the coastline should be at the dry land boundary.

However at http://www.openstreetmap.org/#map=14/9.7497/125.6105
both these approaches have been used.  Approach 1  has been used
for Lamagon Island, where the boundary of the mangrove area and
the sea is tagged as coastline.  But Approach 2 has been used for
the island immeditately south, where the boundary of the dry land
is tagged as coastline.

On further investigation I see at
http://www.openstreetmap.org/#map=14/9.7003/125.6415 that Approach
1 has been used.

Has this issue been discussued before within the Philippine OSM
community, with any recommended way of mapping mangrove areas
being decided upon?

Regards
David



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Re: [talk-ph] areas of mangrove

2016-04-30 Thread David Groom

Totor

You are correct in that in general the coastline should be at the "mean 
high water spring".  However it may be that areas of mangrove need 
special consideration because even at high water the mangrove trees are 
above the water and therefore (a) when viewed from above you don't see 
sea; and (b)  its very difficult to navigate even a small boat through 
the thickest parts of them; and in in this respect these areas are more 
like land than sea.


When many years ago  (2007), I imported the coastline from PGS for large 
parts of the world I remember in particular coming across this dilema 
when working  on northern Ausrtralia.  I believe we had a discusion on 
the talk-au list and decided to map the mangrove / open sea boundary as 
coastline, and if you look at 
http://www.openstreetmap.org/#map=12/-12.5837/130.8784  you will see 
that despite the number of years between my import and the present day, 
and the large number of mappers who have since contributed to Australian 
mapping, the coastline still remains at the mangrove / open sea 
boundary.  So there is a precedent for breaking the general rule the 
coastline should be at the "mean high water spring".


I think that rather than stick to a defined rule as stated in the wiki 
this is one instance where the local community should decide what they 
believe is the most appropriate mapping approach, and then that 
consistent approach should be adopted for the whole country. From what 
you write it would seem the most consistent approach, where it is 
possible from imagery or other sources to locate the dry land / mangrove 
boundary to treat that as the coastline.


Regards
David




On 30/04/2016 03:40, Totor wrote:

Hi David,

I understood the coastline should be at the "mean high water spring".
The mangroves I have seen in the Philippines, were always outside that 
coastline, in the sea.
So I map them as in your method 2.

When tracing from low res or unclear sat imagery, i usually include the 
mangroves in the land area (because i dont know if it is a mangrove) but then I 
do not tag the mangrove at all.

Just my opinion...

Cheers

Totor


On April 30, 2016 10:14:43 AM GMT+08:00, David Groom wrote:

There are two different approaches used in mapping mangrove  areas in
OSM

1)  Treat the boundary of the mangrove and the openwater sea as the
coastline, and then map the area between that line and the "dry" land
as
wetland.  This means that the wetland symbols are rendered over the
white colour of the land, and that at zoom levels 12 and lower the
mangrove areas simply get shown as white, with the sea outside them.

2)  Treat the boundary of the mangrove and the "dry" land as the
coastline, and then map the area between that line and the openwater
sea
as wetland.  This means that the wetland symbols are rendered over the
blue colour of the sea, and that at zoom levels 12 and lower the
mangrove areas simply get shown as blue sea.

Early today I added some mangrove areas and followed approach 2 because

the coastline had been accurately mapped along the mangrove / dry land
boundary, as so I simply added the mangrove area outside this, as it
seemed the existing mapper had cleary thought the coastline should be
at
the dry land boundary.

However at  http://www.openstreetmap.org/#map=14/9.7497/125.6105 both
these approaches have been used.  Approach 1  has been used for Lamagon

Island, where the boundary of the mangrove area and the sea is tagged
as
coastline.  But Approach 2 has been used for the island immeditately
south, where the boundary of the dry land is tagged as coastline.

On further investigation I see at
http://www.openstreetmap.org/#map=14/9.7003/125.6415  that Approach 1
has been used.

Has this issue been discussued before within the Philippine OSM
community, with any recommended way of mapping mangrove areas being
decided upon?

Regards
David



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[talk-ph] areas of mangrove

2016-04-29 Thread David Groom

There are two different approaches used in mapping mangrove  areas in OSM

1)  Treat the boundary of the mangrove and the openwater sea as the 
coastline, and then map the area between that line and the "dry" land as 
wetland.  This means that the wetland symbols are rendered over the 
white colour of the land, and that at zoom levels 12 and lower the 
mangrove areas simply get shown as white, with the sea outside them.


2)  Treat the boundary of the mangrove and the "dry" land as the 
coastline, and then map the area between that line and the openwater sea 
as wetland.  This means that the wetland symbols are rendered over the 
blue colour of the sea, and that at zoom levels 12 and lower the 
mangrove areas simply get shown as blue sea.


Early today I added some mangrove areas and followed approach 2 because 
the coastline had been accurately mapped along the mangrove / dry land 
boundary, as so I simply added the mangrove area outside this, as it 
seemed the existing mapper had cleary thought the coastline should be at 
the dry land boundary.


However at  http://www.openstreetmap.org/#map=14/9.7497/125.6105 both 
these approaches have been used.  Approach 1  has been used for Lamagon 
Island, where the boundary of the mangrove area and the sea is tagged as 
coastline.  But Approach 2 has been used for the island immeditately 
south, where the boundary of the dry land is tagged as coastline.


On further investigation I see at 
http://www.openstreetmap.org/#map=14/9.7003/125.6415  that Approach 1 
has been used.


Has this issue been discussued before within the Philippine OSM 
community, with any recommended way of mapping mangrove areas being 
decided upon?


Regards
David



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Re: [talk-ph] Various farmed landuses

2016-03-21 Thread David Groom

Hopefully fixing the geometries in this area is now complete

David

On 19/03/2016 17:53, David Groom wrote:
Its now been one month with no major objections to my proopesed 
cnages, so I have made them, but with the suggestion made by Eugene.


However the exisiting geometry of the landuse polygons is very messy, 
with many overlapping ways.  I am fixing these, but with over 230 ways 
to fix I wont able to do this all in one editing session, and probably 
not even all in one day.


The affected area is SW of Tacloban, Leyte at 
http://www.openstreetmap.org/#map=13/11.1154/124.8905


If anyone notices the half fixed geometry do not think this is 
vanadalsim, or poor editing, it will be fixed.


Regards

David


On 14/02/2016 13:53, maning sambale wrote:

Agree with Eugene. There are other who mapped riceland as meadows and
should be fixed as well: https://www.openstreetmap.org/note/489780

On Sun, Feb 14, 2016 at 6:55 PM, Eugene Alvin Villar 
 wrote:

I agree with changes 2 and 3. For #1, I think it should be
landuse=farmland instead of meadow. Rice fields are far from being
meadows.

On 2/14/16, David Groom  wrote:
While looking at existing tagging of landuse areas in Leyte I have 
come

across a number which do not seem to fit the tagging structure on the
main OSM wiki, and I cant see anything in the Philippines/Mapping
conventions  which contradicts the main OSM wiki (except that under
agricultural landuse the tag landuse = farm is suggested whereas this
seems to have been deprecated in favour of landuse = farmland  -  
maybe

the Phillipine / mapping conventions page is out of date?)

An example of some of the current tagging can be seen here:
http://www.openstreetmap.org/#map=16/11.1121/124.8899

I would like to change the following:

1) Areas currently tagged landuse = meadow; name = Ricefield   - 
change

to landuse = meadow; crop=rice [1]
2) Areas currently tagged landuse = farmland; name = Coco Land   -
change to landuse = orchard;  trees = coconut_palms [2]
3) Areas currently tagged landuse = orchard; crop = coconut - 
change to

landuse = orchard;  trees = coconut_palms [2]

Are these 3 changes acceptable?

My one slight discomfort is that I dont like the way crop = rice is
rendered on the map, but then we should't be tagging for the 
rennderers

anyway!

Regards

David

[1]  http://wiki.openstreetmap.org/wiki/Key:crop
[2]  http://wiki.openstreetmap.org/wiki/Key:trees

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Re: [talk-ph] Various farmed landuses

2016-03-19 Thread David Groom
Its now been one month with no major objections to my proopesed cnages, 
so I have made them, but with the suggestion made by Eugene.


However the exisiting geometry of the landuse polygons is very messy, 
with many overlapping ways.  I am fixing these, but with over 230 ways 
to fix I wont able to do this all in one editing session, and probably 
not even all in one day.


The affected area is SW of Tacloban, Leyte at 
http://www.openstreetmap.org/#map=13/11.1154/124.8905


If anyone notices the half fixed geometry do not think this is 
vanadalsim, or poor editing, it will be fixed.


Regards

David


On 14/02/2016 13:53, maning sambale wrote:

Agree with Eugene. There are other who mapped riceland as meadows and
should be fixed as well: https://www.openstreetmap.org/note/489780

On Sun, Feb 14, 2016 at 6:55 PM, Eugene Alvin Villar  wrote:

I agree with changes 2 and 3. For #1, I think it should be
landuse=farmland instead of meadow. Rice fields are far from being
meadows.

On 2/14/16, David Groom  wrote:

While looking at existing tagging of landuse areas in Leyte I have come
across a number which do not seem to fit the tagging structure on the
main OSM wiki, and I cant see anything in the Philippines/Mapping
conventions  which contradicts the main OSM wiki (except that under
agricultural landuse the tag landuse = farm is suggested whereas this
seems to have been deprecated in favour of landuse = farmland  -  maybe
the Phillipine / mapping conventions page is out of date?)

An example of some of the current tagging can be seen here:
http://www.openstreetmap.org/#map=16/11.1121/124.8899

I would like to change the following:

1) Areas currently tagged landuse = meadow; name = Ricefield   - change
to landuse = meadow; crop=rice [1]
2) Areas currently tagged landuse = farmland; name = Coco Land   -
change to landuse = orchard;  trees = coconut_palms [2]
3) Areas currently tagged landuse = orchard; crop = coconut  - change to
landuse = orchard;  trees = coconut_palms [2]

Are these 3 changes acceptable?

My one slight discomfort is that I dont like the way crop = rice is
rendered on the map, but then we should't be tagging for the rennderers
anyway!

Regards

David

[1]  http://wiki.openstreetmap.org/wiki/Key:crop
[2]  http://wiki.openstreetmap.org/wiki/Key:trees

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Re: [talk-ph] Various farmed landuses

2016-02-14 Thread David Groom
My only reason for choosing landuse=meadow rather than landuse=farmland 
was to change as few tags as possible, though I think I agree with you 
and prefer landuse=farmland


David


On 14/02/2016 13:25, Eugene Alvin Villar wrote:

I agree with changes 2 and 3. For #1, I think it should be
landuse=farmland instead of meadow. Rice fields are far from being
meadows.

On 2/14/16, David Groom  wrote:

While looking at existing tagging of landuse areas in Leyte I have come
across a number which do not seem to fit the tagging structure on the
main OSM wiki, and I cant see anything in the Philippines/Mapping
conventions  which contradicts the main OSM wiki (except that under
agricultural landuse the tag landuse = farm is suggested whereas this
seems to have been deprecated in favour of landuse = farmland  -  maybe
the Phillipine / mapping conventions page is out of date?)

An example of some of the current tagging can be seen here:
http://www.openstreetmap.org/#map=16/11.1121/124.8899

I would like to change the following:

1) Areas currently tagged landuse = meadow; name = Ricefield   - change
to landuse = meadow; crop=rice [1]
2) Areas currently tagged landuse = farmland; name = Coco Land   -
change to landuse = orchard;  trees = coconut_palms [2]
3) Areas currently tagged landuse = orchard; crop = coconut  - change to
landuse = orchard;  trees = coconut_palms [2]

Are these 3 changes acceptable?

My one slight discomfort is that I dont like the way crop = rice is
rendered on the map, but then we should't be tagging for the rennderers
anyway!

Regards

David

[1]  http://wiki.openstreetmap.org/wiki/Key:crop
[2]  http://wiki.openstreetmap.org/wiki/Key:trees

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[talk-ph] Various farmed landuses

2016-02-14 Thread David Groom
While looking at existing tagging of landuse areas in Leyte I have come 
across a number which do not seem to fit the tagging structure on the 
main OSM wiki, and I cant see anything in the Philippines/Mapping 
conventions  which contradicts the main OSM wiki (except that under 
agricultural landuse the tag landuse = farm is suggested whereas this 
seems to have been deprecated in favour of landuse = farmland  -  maybe 
the Phillipine / mapping conventions page is out of date?)


An example of some of the current tagging can be seen here: 
http://www.openstreetmap.org/#map=16/11.1121/124.8899


I would like to change the following:

1) Areas currently tagged landuse = meadow; name = Ricefield   - change 
to landuse = meadow; crop=rice [1]
2) Areas currently tagged landuse = farmland; name = Coco Land   - 
change to landuse = orchard;  trees = coconut_palms [2]
3) Areas currently tagged landuse = orchard; crop = coconut  - change to 
landuse = orchard;  trees = coconut_palms [2]


Are these 3 changes acceptable?

My one slight discomfort is that I dont like the way crop = rice is 
rendered on the map, but then we should't be tagging for the rennderers 
anyway!


Regards

David

[1]  http://wiki.openstreetmap.org/wiki/Key:crop
[2]  http://wiki.openstreetmap.org/wiki/Key:trees

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Re: [talk-ph] Coastlines - was Forest landcover

2016-02-04 Thread David Groom

>Might be good to probe more.  Can you give me sample changesets so I
>can ask around.

As far as I can see its https://www.openstreetmap.org/changeset/33871982


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[talk-ph] Coastlines - was Forest landcover

2016-02-04 Thread David Groom

Eugene

the coastline ways which I am improving seem to derive from an import of 
IFSAR 2012 data (See https://www.openstreetmap.org/changeset/33871982)


So these are after the 2010 mini project to improve the coaastline

David


>As for the saw-tooth coastlines, I'm actually surprised they still
>exist to a large degree since we did a mini-project back in 2010 to
>improve those coastlines:
>https://wiki.openstreetmap.org/wiki/Philippines/Coastline_corrections
>
>~Eugene

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[talk-ph] Forest landcover

2016-02-02 Thread David Groom

Hi

Firstly let me introduce myself, I'm based in the UK.  I've been involed 
with OSM pretty much from the start, (I attended the first ever mapping 
party), was responsible for a large part of the original worldwide 
coastline import,  spent a lot of time fixing coastline errors, did most 
of the original mapping of Baghdad from Bing & Yahoo imagery, and have 
done of lot of other mappng from imagery worldwide, as well as mapping 
from my own GPX tracks here in th UK and wherever I vacation.


I have recently started mapping parts of Leyte. Initially focusing on 
some of the smaller scale mapping ( tracing builings etc) .


I then noticed that some areas of coastline on the west of the island 
needed updating from imagery since it had the typical "saw-tooth" effect 
resulting from imports of coastline data. so have been working on that.  
I'm not finished yet!


Anyway, the purpose of my post to the list is to ask about landuse = 
forest areas.  If you look at the central part of Leyte some large areas 
have been mapped and tagged for the forest, but :


(1) these seem to have arbitary boundaries (long strainght lines where 
the areas simply have not been accuarely mapped to any natural feature)


(2) The areas so far mapped with tree cover (either "natural = wood", or 
"landuse = forest" represent a smnall proportion of the actual forest 
cover on the island.


My question is, is it OK if as I map other things I extend the tree 
cover areas .  This may result in a large part of Leyte "turning green" 
on the map.


Regards

David Groom

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