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Is there really a need to paint every clump of trees on private property green? Shouldn't it be reserved for public parks and forest reserves only?

asked 22 Jan '12, 03:48

Alhimik's gravatar image

Alhimik
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accept rate: 0%


The data is valid and appropriate to OSM, all the way down to individual trees on private property - if the mapper has determined that the data is correct and current.

The New Jersey land use data has been mass imported from other public data sources. It's my opinion that such a mass import does not add value to the OSM data:

  1. OSM editors such as Potlatch and JOSM do not separate the landuse data at edit time, thus massively complicating future edits.
  2. Mappers who improve or create landuse polygons stand to lose their work if newer data is imported.
  3. Public land use data would be better stored in a separate database, and combined with OSM data at render time to create colored maps - if needed by the desired render style.
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answered 22 Jan '12, 13:14

Mike%20N's gravatar image

Mike N
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accept rate: 17%

What appears on the default Mapnik map is a compromise - it does show "every clump of trees" (or every natural=wood at any rate). The reason why NJ's so much greener than neighbouring states is that woodland data appears to have been imported for it by this account. Looking at the map N of Trenton it seems to include "land that is sometimes used for growing trees" rather than "land that has trees on it as at the time of the Bing imagery".

Other renderings are available - you may find that this one fits better with leftpondian expectations of what a map shoould look like.

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answered 22 Jan '12, 13:03

SomeoneElse's gravatar image

SomeoneElse ♦
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accept rate: 16%

Other renderings are available - you may find that this one fits better with leftpondian expectations of what a map shoould look like.

It seems that mapquest suffers from the same problem. There need to be some very specific rules regarding what to paint when, as this is clearly a mess.

(26 Jan '12, 01:25) Alhimik
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question asked: 22 Jan '12, 03:48

question was seen: 3,147 times

last updated: 26 Jan '12, 04:41

NOTICE: help.openstreetmap.org is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum