[Talk-ca] Sinking islands...

[G. Michael Carter]

  I'm fine with making the island name a point.   It would show up in 
POI applications.

On 23/09/10 11:28 AM, Bégin, Daniel wrote:
> Cool,
> So, what should be done for the next release?
> - Keep the natural=land areas - everybody will have to merge each 
> island to get the proper rendering;
> - Transform the natural=land areas into points - no merging necessary, 
> no name lost;
> - Remove the natural=land areas - name will be lost for next release (1);
> I'm inclided to implement the second proposition - Easier for me and 
> for most of the contributors;
> Daniel
> 1- The name should be found in both Canvec Island and Named feature 
> (natural=land areas and place=island points) within the next year.
>
> ------------------------------------------------------------------------
> *From:* G. Michael Carter [mailto:mikeycarter1974 at gmail.com] *On 
> Behalf Of *G. Michael Carter
> *Sent:* September 23, 2010 10:48
> *To:* Bégin, Daniel
> *Cc:* Talk-CA OpenStreetMap
> *Subject:* Re: [Talk-ca] Sinking islands...
>
> I've been taking all three objects and merging them.  So the inner is 
> natural=wood, with name.
>
> http://www.openstreetmap.org/?lat=45.45968&lon=-80.42647&zoom=16&layers=M 
> <http://www.openstreetmap.org/?lat=45.45968&lon=-80.42647&zoom=16&layers=M>
>
>
> Seems to be rendering ok.   Childs and Osawa are examples.
>
> On 23/09/10 10:38 AM, Bégin, Daniel wrote:
>> You are right :-(
>> Two solutions are possible for the next release...
>> - Convert natural=land area into point feature - the easy solution to 
>> always keep the name available;
>> - Associate the name to the inner component - If it renders properly.
>> The second one is much more complex (from my side). Can someone try 
>> it and send me the conclusion?
>> Daniel
>>
>> ------------------------------------------------------------------------
>> *From:* G. Michael Carter [mailto:mikeycarter1974 at gmail.com] *On 
>> Behalf Of *G. Michael Carter
>> *Sent:* September 23, 2010 10:14
>> *To:* Bégin, Daniel
>> *Cc:* Talk-CA OpenStreetMap
>> *Subject:* Re: [Talk-ca] Sinking islands...
>>
>> I notice for islands with names the name tag is on the natural=land.
>>
>> On 23/09/10 10:00 AM, Bégin, Daniel wrote:
>>> Bonjour Michael,
>>>
>>> 2010-08-16 11:54 [Talk-ca] Canvec.osm Product - Running!
>>> I wrote  "natural=land  area features are a duplicate of natural=water inner polygon. It will be removed for the next release.  Point features will still be there."
>>>
>>> I understand that natural=land has priority in the rendering. Rendering will then "move" any overlapping features "under" the natural=land feature. It means you are better remove natural=land area before importing.
>>>
>>> The standard case for an island is
>>> - an inner component of a relation type=multipolygon : natural=water
>>> - a polygon : natural=land
>>> - a polygon : natural=wood
>>>
>>> Remove the polygon natural=land and the polygon natural=wood will render properly  in the hole created by the inner component of the natural=water multipolygon.
>>>
>>> Daniel
>>>
>>> -----Original Message-----
>>> From:talk-ca-bounces at openstreetmap.org  [mailto:talk-ca-bounces at openstreetmap.org] On Behalf Of G. Michael Carter
>>> Sent: September 23, 2010 09:09
>>> To: Talk-CA OpenStreetMap;talk-us at openstreetmap.org
>>> Subject: [Talk-ca] Sinking islands...
>>>
>>>
>>>    I was importing data in the Georgian Bay area and I noticed
>>> something.   If an island is natural=land it renders in mapnik as white,
>>> regardless of the outer multipolygon.   if you have natrual=wood or
>>> possibly others, it sinks if it's not role=inner.
>>>
>>> This is at least what I've observed so far.   It's rather hard to figure
>>> out when the mapnik tiles get cached and don't refresh in a timely fashion. :-)
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Talk-ca mailing list
>>> Talk-ca at openstreetmap.org
>>> http://lists.openstreetmap.org/listinfo/talk-ca
>


-- 
*G. Michael Carter*
Contact: H: 1-519-940-8935 | W: 1-905-267-8494 | M: 1-519-215-1869 | F: 
1-519-941-0009
Google Talk: xmpp:mikeycarter1974 at gmail.com

<http://www.openstreetmap.org/?lat=43.9216&lon=-80.105&zoom=14&layers=B000FTF> 
<http://livedvd.carterfamily.ca/>
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