Was there a resolution for this? I found that it works for me on some
polygons, not on others.
-----Original Message-----
From: Alexandros Papadopoulos
Sent: Friday, December 02, 2011 7:33 PM
To: [email protected]
Subject: Re: [OSM-newbies] mapping islands of a salt flat
On 24 November 2011 16:24, Alexandros Papadopoulos
<[email protected]> wrote:
On 24 November 2011 15:21, Richard Weait <[email protected]> wrote:
On Thu, Nov 24, 2011 at 1:03 PM, Alexandros Papadopoulos
<[email protected]> wrote:
On 24 November 2011 13:38, Craig Wallace <[email protected]> wrote:
On 24/11/2011 15:33, Alexandros Papadopoulos wrote:
Hello.
I am mapping the islands of the Salar de Uyuni
(http://osm.org/go/NK_7Jv--) as I found it particularly annoying they
were not on the map when I needed this information.
[ ... ]
Islands in inland water need to mapped with multipolygon relations. ie
map
the island as an area, and add it to a multipolygon relation with role
"inner", and add the outline of the lake to the relation with role
"outer".
I see that Isla Incahuasi is already mapped with a multipolygon
relation, so
you can add all of the other islands to the same relation, with role
inner
for each.
There is no need to tag the islands with natural=land. It is more
useful to
tag what is actually there. eg if the island is covered with trees then
tag
it with natural=wood, or if its a beach tag it as natural=beach etc.
Thanks Craig.
So to sum up:
1. Mark the island as an area.
2. Add any useful designations (natural=beach etc)
3. Add to multipolygon relation.
I have attempted to do just that for the 20odd islands I can see on
Bing aerial photography, hope I did the right thing.
Almost perfect, Alex.
As Craig said, once these new polygon islands are added to the
multipolygon relation for the salt flat, you must assign the island a
"role" in the multipolygon relation.
in potlatch, select the island way
in the advanced tab, double click the relation number to open the
relation dialogue box.
select the members panel in the relations dialogue
add "inner" for the role of the island ways.
then save your changes as usual.
Ah, afraid you lost me with "add "inner" for the role of the island ways."
From the long list of way IDs I get, how do I know which way is the
island I am editing;
I see what is in the screenshot "for free", ie this is what comes up
without me doing anything more than assigning the island way to the
multipolygon relationship.
Sorry for omission of special characters in email, Chilean computer I
use has funny keyboard layout.
A step by step example for one island might hopefully help.
Thanks
Alex
This is still pending and the islands of the Salar de Uyuni remain
unmapped. Has my previous email with the screenshot from P2 made it to
the list? Would appreciate some more help to get this over and done
with.
Cheers
Alex
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