JA:障害物

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利用できる言語 — Barriers
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Logo. 地物 : 障害物
One example for 地物 : 障害物
説明
障害物は、移動を妨げたり遅らせたりする物理的な構造物です。
タグ

barrier=*

A barrier is a physical structure which blocks or impedes movement. The barrier tag only covers on-the-ground barriers, it does not cover waterway barriers (dams, waterfalls...). See also Routing#Routing obstacles and other conditions requiring special consideration.


用語

There are two main types: linear barriers and nodular barriers.

線形の障害物

対称的な障害物

例:

Tagging: draw a way along the barrier location.

非対称の障害物

These barriers are not the same height on each side; i.e., the ground level differs on each side. Examples:

Tagging: draw a way along the barrier location. The direction of the way is important, see natural=cliff for orientation.

If a linear barrier crosses a highway, they must connect with a node at intersection. Always tag this node with the appropriate nodular barrier tag (usually an entrance or a gate), else routing engines don’t know if crossing is possible.

点の障害物

例:

Tagging: place a node at the location of the barrier on an existing way (either a highway or a linear barrier). Do not place a node-barrier at the junction of two highways, else it will restrict the traffic on both highways.

Note that some barriers (bollards, gates, etc.) may be either linear or nodular barriers.

経路探索

Each barrier has its own accessibility defaults. Use tag access=* to override them.

Barriers with undocumented default access imply access=no. This default restriction prevents softwares from routing through undocumented barriers (and generating a potentially unsafe route).

有用な組み合わせ

関連情報