Proposal:Lit path

From OpenStreetMap Wiki
Revision as of 00:03, 9 March 2008 by Womble (talk | contribs) (Added a photo illustrating a lit path.)
Jump to navigation Jump to search
Status
Proposal
Proposed-by
pkroliko
Proposed-date
2008-3-6

Rationale

A lighted pathway is a road or sidewalk that is lined with numerous lights that create a well-lit pathway when it’s dark. Many locations, such as cities and college campuses, are not safe. Individuals, specifically pedestrians and handicapped individuals, would be interested in identifying lighted pathways because the element of light increases the safety of the particular path they are traveling. When navigating a city or college campus this feature is very desirable and individuals will be able to avoid unlit pathways and elect to travel the lit ones instead.

Examples

Litpath.jpg

Applies to

A Lighted Path would be a way due to the fact that it is a path.

Tags

The Lighted Pathway attribute would be categorized under the highway key due to the fact that it is a path or road used for traveling. "highway = lit_path"

Rendering

This should be rendered the same as all other roads, except there should be a series of white dots (or small sunshine symbols) along the length of the path to signify light.

Comments

Why not have some kind of key like eg. light=yes/no/solar or something similar? Then you could apply it to any kind of way eg. highway=*, highway=footway, highway=cycleway etc. BlueMM 10:11, 6 March 2008 (UTC)

The cleanest solution is to map the lights themselves as individual nodes -- a renderer can then calculate which ways are well-lit by "adding up" the illumination from the nearby lights. This applies equally well to roads, footpaths, lights in tunnels, etc. ndm

Although technically possible (if slow to calculate) and in some sense elegant, it would require too much additional information to produce valid or even usable results; light source technologies and power ratings, mast heights and even the used burning hours of the lamps all affect the effective radius of a lit area. For unknown reasons the tag lit=* has been added to the list of Deprecated features in July 2007 but I will remove it from that list in a few days, unless given some reason why it has been added there. Alv 18:18, 6 March 2008 (UTC)