NZ Topo - object class tower_pnt

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

Description

A tall framework or structure, the elevation of which is functional

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 tower_pnt

Click to enlarge image

Class attributes

Attribute Value
Object class tower_pnt
Entity class TOWER
Additional entity class Not applicable
Object inheritance graphic_point
Entity source US Standard Entity
Map series Topo50
LSLIFF object class 170

Object attributes

Attribute LSLIFF code
Shapefile field
Data type
Attribute description Attribute values*
tower_material 1099
material
string
concrete
{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
7 2012-08-28 Updated map image and aerial view; added representation specification and example feature photographs
6 2012-08-28 Updated map image and aerial view; added representation specification and example feature photographs
5 2012-08-28 Added scale-specific definitions
4 2010-03-01 removed attributes tower_height and tower_use
3 2005-05-12 new attribute tower_height and new attribute value for tower_use
2 2001-11-23 unspecified update
1 1999-03-01 intial status