NZ Topo - object class boom_cl

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


Floating barrier across a river or harbour mouth.

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 boom_cl

Click to enlarge image

Class attributes

Attribute Value
Object class boom_cl
Entity class BREAKWATER
Additional entity class Not applicable
Object inheritance simple_line
Entity source US Standard Entity
Map series Topo50
LSLIFF object class 6

Object attributes

This object class does not have attributes.

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