NZ Topo - object class dredge_pnt

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


Apparatus for clearing out mud etc from river or sea bottom.

Topo50 description

Dredges can be difficult to identify and can move frequently.Those held in the data and shown on the printed maps may only be a sample of those operating

Representation specification

Representation specification showing dredge_pnt

Click to enlarge image

See also: dredge_tailing_cl

Class attributes

Attribute Value
Object class dredge_pnt
Entity class DREDGE
Additional entity class Not applicable
Object inheritance graphic_point
Entity source Proposed NZ Std Entity
Map series Topo50
LSLIFF object class 32

Object attributes

Attribute LSLIFF code
Shapefile field
Data type
Attribute description Attribute values*
dredge_status 1026
derelict In a state of disrepair, no longer safe to use.
UFID 1000
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.

Change log

Feature version Revised Description
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 2012-08-27 Updated description
2 2001-11-23 Unspecified update
1 1999-03-01 intial status