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

Attribute Value
Object class sinkhole_pnt
Entity class SINKHOLE
Additional entity class Not applicable
Object inheritance graphic_point
Entity source Proposed NZ Entity
Map series Topo50 Ant50
LSLIFF object class 148

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