Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-18 Thread Paul Norman
On 9/17/2014 7:33 AM, Dave F. wrote: I wouldn't describe size based ordering as 'well defined'. The polygon table has no column or combination of columns which is guaranteed to be unique. We only need to have a well defined ordering within a meta-tile that is consistent across boundaries, not

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-18 Thread colliar
Am 18.09.2014 00:18, schrieb Martin Koppenhoefer: Il giorno 17/set/2014, alle ore 22:32, Dave F. dave...@madasafish.com ha scritto: As an example: If it has a name you'd have two objects of that name, when in fact there's only one. If someone wanted to find out how many named wood

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-18 Thread Martin Koppenhoefer
Il giorno 18/set/2014, alle ore 20:51, colliar colliar4e...@aol.com ha scritto: No, the name problem is simply solved with a multipolygon or site relation if needed. This way we still have one single object. yes one object, but arguably a wrong one, because the name should in many cases

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-18 Thread Dave F.
On 18/09/2014 19:51, colliar wrote: Am 18.09.2014 00:18, schrieb Martin Koppenhoefer: Il giorno 17/set/2014, alle ore 22:32, Dave F. dave...@madasafish.com ha scritto: As an example: If it has a name you'd have two objects of that name, when in fact there's only one. If someone wanted to

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Dave F.
On 16/09/2014 14:59, Martin Koppenhoefer wrote: 2014-09-16 15:32 GMT+02:00 Dave F. dave...@madasafish.com mailto:dave...@madasafish.com: I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags would surely make more sense. well,

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Martin Koppenhoefer
2014-09-17 10:43 GMT+02:00 Dave F. dave...@madasafish.com: On 16/09/2014 14:59, Martin Koppenhoefer wrote: 2014-09-16 15:32 GMT+02:00 Dave F. dave...@madasafish.com: I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags would surely make

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Dave F.
On 16/09/2014 19:55, Paul Norman wrote: On Sep 16, 2014, at 06:33 AM, Dave F. dave...@madasafish.com wrote: On 16/09/2014 13:41, Matthijs Melissen wrote: In general, we render smaller landuse on top of larger landuse. I find it surprising something as arbitrary as size is used as the

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Martin Koppenhoefer
2014-09-17 16:33 GMT+02:00 Dave F. dave...@madasafish.com: but I can point to cases where parks should be on top of trees. Please do, I'd be interested to see them. I agree that trees should probably always render above parks, especially if the park area is opaque and obfuscating the

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Dave F.
On 17/09/2014 13:04, Martin Koppenhoefer wrote: 2014-09-17 10:43 GMT+02:00 Dave F. dave...@madasafish.com mailto:dave...@madasafish.com: On 16/09/2014 14:59, Martin Koppenhoefer wrote: 2014-09-16 15:32 GMT+02:00 Dave F. dave...@madasafish.com mailto:dave...@madasafish.com:

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-17 Thread Martin Koppenhoefer
Il giorno 17/set/2014, alle ore 22:32, Dave F. dave...@madasafish.com ha scritto: As an example: If it has a name you'd have two objects of that name, when in fact there's only one. If someone wanted to find out how many named wood there are in a city it would return inaccurate data.

[OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Dave F.
Hi I've mapped an area where a woodland overlaps with a park: http://www.openstreetmap.org/#map=17/51.48959/-2.52536 The new mapnik rendering doesn't display it. Here's a comparison with old new: http://bl.ocks.org/tyrasd/raw/6164696/#16.00/51.4890/-2.5267 You'll also notice it previous

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Janko Mihelić
This is the place for Standard layer issues: https://github.com/gravitystorm/openstreetmap-carto/issues I searched a bit and I didn't find the issue with parks. Try searching yourself, maybe I just didn't find it. Janko 2014-09-16 12:25 GMT+02:00 Dave F. dave...@madasafish.com: Hi I've

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Matthijs Melissen
On 16 September 2014 11:25, Dave F. dave...@madasafish.com wrote: I've mapped an area where a woodland overlaps with a park: http://www.openstreetmap.org/#map=17/51.48959/-2.52536 The new mapnik rendering doesn't display it. Here's a comparison with old new:

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Janko Mihelić
Ideally we could render little trees on top of the park. Janko 2014-09-16 14:41 GMT+02:00 Matthijs Melissen i...@matthijsmelissen.nl: On 16 September 2014 11:25, Dave F. dave...@madasafish.com wrote: I've mapped an area where a woodland overlaps with a park:

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Dave F.
On 16/09/2014 13:41, Matthijs Melissen wrote: In general, we render smaller landuse on top of larger landuse. I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags would surely make more sense. That gives sometimes unexpected results if

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Martin Koppenhoefer
2014-09-16 15:32 GMT+02:00 Dave F. dave...@madasafish.com: I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags would surely make more sense. well, size surely has some correlation with importance. For practical reasons it is generally

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread colliar
Am 16.09.2014 15:59, schrieb Martin Koppenhoefer: 2014-09-16 15:32 GMT+02:00 Dave F. dave...@madasafish.com mailto:dave...@madasafish.com: I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags would surely make more sense. well,

Re: [OSM-talk] Wood Park mapnik carto anomaly?

2014-09-16 Thread Paul Norman
On Sep 16, 2014, at 06:33 AM, Dave F. dave...@madasafish.com wrote: On 16/09/2014 13:41, Matthijs Melissen wrote:         In general, we render smaller landuse on top of larger landuse. I find it surprising something as arbitrary as size is used as the defining factor. Comparing actual tags