NZ Topo - object class shaft_pnt

This page describe the shaft_pnt object class used to represent objects in the NZTopo topographic database.

Description

a long narrow passage sunk in the earth

Topo50 description

Only those significant either by their size or location are held in the data and shown on the printed maps.

Representation specification

Representation specification showing shaft_pnt

Click to enlarge image

Class attributes

Attribute Value
Object class shaft_pnt
Entity class SHAFT
Additional entity class Not applicable
Object inheritance graphic_point
Entity source US Standard Entity
Map series Topo50
LSLIFF object class 140

Object attributes

Attribute LSLIFF code
Shapefile field
Data type
Attribute description Attribute values*
shaft_use 1091
shaft_use
string
tunnel ventilation
mine vent
{empty}
UFID 1000
t50_fid
integer
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.
"3254886"

* See explanation of attribute values for more information about how attribute values are represented.

Change log

Feature version Revised Description
4 2012-08-28 Updated map image and aerial view; added representation specification and example feature photographs
3 2012-08-28 Added scale-specific definitions
2 2001-11-23 Unspecified update
1 1999-03-01 intial status