Physical limits
| Feature : Physical limits |
| Description |
| Tagging the physical restrictions of a feature. |
| Tags |
|
maxwidth:physical=*, maxheight:physical=*, maxlength:physical=* |
Keys ending in *:physical=* represent actual physical limits (as opposed to legally defined limits).
For example, where maxwidth=* represent the legal width limit for a feature (such as the one shown on a traffic sign), maxwidth:physical=* represents the actual maximum width. Both can be tagged on the same feature — the latter tends to have a larger value (except in places with really bad traffic signs) — but *:physical=* occurs on its own as well.
Tags representing physical limitations
| Description | Legal | Physical |
|---|---|---|
| Maximum width | maxwidth=* | maxwidth:physical=* |
| Maximum height | maxheight=* | maxheight:physical=* |
| Maximum length | maxlength=* | maxlength:physical=* |
Keys like maxwidth:physical=* can in turn be used as a key suffix in combinations like sidewalk:left:maxwidth:physical=* (which describes the physical maximum width for the left-hand sidewalk of a street).
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