Tag:man_made=survey_point
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(Redirected from Survey point)
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Other languages — Help us translate this wiki
 man_made = survey_point
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| Description |
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| A triangulation pillar, geodetic vertex, or other piece of fixed equipment used by topographers. |
| Used on these elements |
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| Useful combination |
| Wikidata |
| Search Wikidata |
| Status: in use |
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A survey point is a triangulation pillar, geodetic vertex, or other piece of fixed equipment used by topographers. An example of these are DGPS radio stations. These points are normally in a fixed location and of a known altitude used for the old fashioned surveying.
See also 
Triangulation station and Benchmark (surveying).
How to map
Add a node at the location of the trig point and use the man_made=survey_point. You can also add a name using name=*, its bracket number with ref=*, and its elevation using ele=* (mind the height reference system!).
Possible Rendering
suggested by User:Chrisana13
Additional tags
- aerial=yes for extra markings meant to be visible in aerial photographs - a white cross, usually
- In the UK tpuk_ref=* can be used for the ID of a trig point on the trigpointinguk.com website.
- Since multiple survey points are possible on one object (eg. a benchmark on a triangulation point/pillar) then in order to avoid multiple values within one key, such as a semicolon-delimited list in survey_point=*, it may be advisable to use something like triangulation_point=yes and benchmark=yes to allow clean coexistence of tags on one node.
