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

Object classmud_poly
Entity classGROUND
Additional entity classNot applicable
Object inheritancesimple_area
Entity sourceProposed NZ Std Entity
Map series Topo50 Topo250
LSLIFF object class323

Object attributes

This object class does not have attributes.

Change log

Feature versionRevisedDescription
52012-08-28Updated map image and aerial view; added representation specification and example feature photographs
42012-08-28Added scale-specific definitions
32008-04-10Removed reference to seed and void objects
22001-11-23Unspecified update
11999-03-01intial status