NZ Topo - object class mud_poly

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


An area of wet, soft earthy matter

Topo50 description

To keep the database in line with international entity specifications, the areas of 'sand and mud' will be captured using both sand and mud objects. Only those areas significant either by their size or location are held in the data and shown on the printed maps.

Topo250 description

Only those areas significant by their size or location are held in the Topo250 data and shown on the Topo250 printed maps; these are a generalised subset of those shown on the Topo50 series

Representation specification

Representation specification showing mud_poly

Click to enlarge image

See also: sand_poly

Class attributes

Attribute Value
Object class mud_poly
Entity class GROUND
Additional entity class Not applicable
Object inheritance simple_area
Entity source Proposed NZ Std Entity
Map series Topo50 Topo250 Topo500
LSLIFF object class 323

Object attributes

This object class does not have attributes.

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 2008-04-10 Removed reference to seed and void objects
2 2001-11-23 Unspecified update
1 1999-03-01 intial status