NZ Topo - object class sinkhole_pnt

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


A hole, or funnel shaped cavity made in the earth by the action of water on the soil, rock or underlying strata

Topo50 description

Only those too small to be shown by contours are held in the data and shown on the printed maps

Representation specification

Representation specification showing sinkhole_pnt

Click to enlarge image

Class attributes

Object classsinkhole_pnt
Entity classSINKHOLE
Additional entity classNot applicable
Object inheritancegraphic_point
Entity sourceProposed NZ Entity
Map series Topo50 Ant50
LSLIFF object class148

Object attributes

This object class does not have attributes.

Change log

Feature versionRevisedDescription
42012-08-28Updated map image and aerial view; added representation specification and example feature photographs
32012-08-28Added scale-specific definitions
22001-11-23Unspecified update
11999-03-01intial status