NZ Topo - object class pipeline_cl
This page describe the pipeline_cl object class used to represent objects in the NZTopo topographic database.
A closed pressure system,usually constructed of steel or ferro concrete pipes.
Only an incomplete selection of pipelines has been able to be collected. As a result underground gas pipelines have become a legacy feature. This means that they will remain in the data until a sheet undergoes revision. During this process, any underground gas pipelines will be deleted for that sheet.
Only those significant by their size or location are held in the Topo250 data and shown on the Topo250 printed maps; these are a generalised subset of those shown on the Topo50 series
Important information: Not all pipelines (either underground or above ground) are held in the data or shown on the printed maps. For the latest information please contact the utility and infrastructure agencies
See also: gas_valve_pnt
|Entity class||TRANSMISSION LINE|
|Additional entity class||Not applicable|
|Entity source||US Standard Entity|
|Map series||Topo50 Topo250|
|LSLIFF object class||93|
|Attribute description||Attribute values*|
|A unique identifier for use on Topo50 data in the LINZ Data Service. This is not a universal ID. The intention is to manage these ID’s as persistent, however this is not guaranteed and there will be instances where what appears to be a minor change to a feature may result in a new ID being assigned.||
* See explanation of attribute values for more information about how attribute values are represented.
|5||2012-08-28||Updated map image and aerial view; added representation specification and example feature photographs|
|4||2012-08-28||Added scale-specific definitions|
|3||2002-06-18||new attribute value|