JA:Key:reference_point

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利用できる言語 — Key:reference point
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Public-images-osm logo.svg reference_point
Osm element key.svg
説明
地域内で経路案内をするための名前付き参照地点
グループ: 街路名によらない名前付き地点
適用できる要素
ノードに使用可能ウェイに使用可能領域に使用可能リレーションに使用可能
よく併用されるタグ
状態: 承認Page for proposal

地域内で経路案内をするための名前付き参照地点です。

In some countries (most parts of Central America, Nicaragua, Honduras, Guatemala, Costa Rica, Panama…), people orient themselves in the local area using the names of reference points rather than the names of streets. While street names may also exist, they are less important for orientation. See “Named spots instead of street names” for details.

背景

In some countries (Central America) reference point based descriptions are either common, or the only addressing system used. Rather than street names and numbers, proximity to a well known location is given. These reference points can practically be anything that has a defined location. The reference points can be highly obscure to visitors, as they are usually unlabeled. (But also landmarks, that are visible from afar, can be reference points.)

Also the location of objects, that do not exist anymore, can be a reference point. For example: In Managua, capital of Nicaragua, a lot of reference points are still from the time before the 1972 quake which destroyed much of the city. Think of a water tower, that has been destroyed but its position servers still as reference point.

Reference points are needed to get proper route-planning working in Central American countries. Reference points are also used as addresses: You do not use an address system in the european sense, but a sort of “instructions for getting somewhere”. Examples of addresses using a reference point:

  • (1) From the Old Church in Santa Ana, 400 meters east.
  • (2) From the Embassy of Spain, half a block to the south.
  • (3) From where the Cinema Cabrera was before, 2 blocks south and 20 meters east.
  • (4) From the "Little Tree" 250 meters west.

Quote: "In fact, Managua's best-known landmark, the Little Tree, grew until it was quite a big tree, was cut down and then replanted. Through it all, 'from the Little Tree...' remained the first phrase in scores of Managuan addresses." ( Ref: http://articles.latimes.com/2000/aug/01/news/mn-62534/2 ).

使用方法

reference_point=yes は常に name=* タグと一緒に使用してください。

他の関連するタグに加えて、 reference_point=yes を使用してください。

例: Little Tree は以下のようなタグになります。

reference_point=yes の1つの値だけが定義されています。

その他

元の提案: Proposed_features/reference_point