Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Frederik Ramm
Hi, Rahkonen Jukka wrote: I meant Do all the polygon parts get their correct names in rendering, There are multiple renderers and they generally don't agree on how to handle multipolygons. I would assume that most can deal with a hole of a multipolygon having its own identity (e.g. hole in

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Anthony
On Mon, Oct 26, 2009 at 5:24 AM, Frederik Ramm frede...@remote.org wrote: A further problem arises when the hole boundary consists of multiple ways, something that is allowed for advanced multipolygons, but you would not be able to place the name of the island (or whatever) in this scenario.

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Frederik Ramm
Hi, Anthony wrote: A further problem arises when the hole boundary consists of multiple ways, something that is allowed for advanced multipolygons, but you would not be able to place the name of the island (or whatever) in this scenario. You could if you used a second multipolygon with the

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Rahkonen Jukka
Frederik Ramm wrote: Personally, I am hoping that we will (re)introduce a proper area data type some day because even though the multipolygons were a good idea at the time, they do seem a bit clumsy now. I agree. Areas will come ever more complicated with data imports and tracing from high

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Anthony
On Mon, Oct 26, 2009 at 9:53 AM, Frederik Ramm frede...@remote.org wrote: Anthony wrote: Do advanced multipolygons have to have an inner? No. Great. Personally, I am hoping that we will (re)introduce a proper area data type some day because even though the multipolygons were a good idea at

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Frederik Ramm
Hi, Anthony wrote: What would be the advantage of an area data type? Would this be a separate table or just a type of relation? Exactly what advantage(s) it has of course depends on how it is designed and implemented in the end. The problem with our current approach is that we are mixing

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-26 Thread Anthony
On Mon, Oct 26, 2009 at 10:30 AM, Frederik Ramm frede...@remote.org wrote: The other is multipolygons, where we (ab)use the relation object which is *normally* used to model a relation between several primitives, to actually construct a primitive in the first place. Constructing the geo-object

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread Jukka Rahkonen
Jon Burgess jburgess777 at googlemail.com writes: On Sat, 2009-10-24 at 13:41 +0200, Peter Herison wrote: But if the inner member is also an island? Eventually the island is also covered with wood? How to tag the inner way in this case? In that case tag the inner way with natural=wood.

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread Ævar Arnfjörð Bjarmason
On Sun, Oct 25, 2009 at 10:37 AM, Jukka Rahkonen jukka.rahko...@mmmtike.fi wrote: Jon Burgess jburgess777 at googlemail.com writes: On Sat, 2009-10-24 at 13:41 +0200, Peter Herison wrote: But if the inner member is also an island? Eventually the island is also covered with wood? How to

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread Rahkonen Jukka
Ævar Arnfjörð Bjarmason avarab at gmail.com writes: jukka.rahkonen at mmmtike.fi wrote: Could it be possible to have a tagging rule that would be usable for all islands? Island is always an island and it is also always dry land (I suppose) but all islands are not natural=wood. Would

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread Frederik Ramm
Hi, Rahkonen Jukka wrote: For what? The inner ways of multipolygons where the outer way is tagged as natural=water? You don't need to tag them with anything indicating that they're an island, they already are tagged as islands implicitly since they're a multipolygon. Islands tend to have

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread John F. Eldredge
-Original Message- From: Frederik Ramm frede...@remote.org Date: Sun, 25 Oct 2009 23:49:16 To: Rahkonen Jukkajukka.rahko...@mmmtike.fi Cc: talk@openstreetmap.org Subject: Re: [OSM-talk] multipolygon (lake) not rendering Hi, Rahkonen Jukka wrote: For what? The inner ways of multipolygons where

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-25 Thread Rahkonen Jukka
Subject: Re: [OSM-talk] multipolygon (lake) not rendering Hi, Rahkonen Jukka wrote: For what? The inner ways of multipolygons where the outer way is tagged as natural=water? You don't need to tag them with anything indicating that they're an island, they already are tagged as islands

[OSM-talk] multipolygon (lake) not rendering

2009-10-24 Thread Peter Herison
Could somebody take a look at http://www.openstreetmap.org/browse/relation/300524 and why it's not rendering in mapnik? There are also some issues with osmarender: http://www.openstreetmap.org/?lat=29.5216lon=-101.0699zoom=12layers=0B00FTF ___ talk

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-24 Thread Ævar Arnfjörð Bjarmason
On Sat, Oct 24, 2009 at 9:54 AM, Peter Herison pheri...@web.de wrote: Could somebody take a look at http://www.openstreetmap.org/browse/relation/300524 and why it's not rendering in mapnik? There are also some issues with osmarender:

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-24 Thread Peter Herison
Ævar Arnfjörð Bjarmason schrieb: Peter Herison pheri...@web.de wrote: Could somebody take a look at http://www.openstreetmap.org/browse/relation/300524 and why it's not rendering in mapnik? There are also some issues with osmarender:

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-24 Thread Jon Burgess
On Sat, 2009-10-24 at 13:41 +0200, Peter Herison wrote: Ævar Arnfjörð Bjarmason schrieb: Peter Herison pheri...@web.de wrote: Could somebody take a look at http://www.openstreetmap.org/browse/relation/300524 and why it's not rendering in mapnik? There are also some issues with

Re: [OSM-talk] multipolygon (lake) not rendering

2009-10-24 Thread Roman Neumüller
I think you mean natural=water - natural=lake is undocumented ;-) I'd understand natural=lakeshore - but that's undocumented too Roman Date: Sat, 24 Oct 2009 11:07:59 + From: ?var Arnfj?r? Bjarmason ava...@gmail.com Subject: Re: [OSM-talk] multipolygon (lake) not rendering To: Peter