NZ Topo - object class waterfall_edge

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


a sudden descent of water over a step or ledge in the bed of a river.

Topo50 description

Only those significant either by their size or location are held in the data and shown on the printed maps. Of these waterfall _edge is used when the feature is too small to be captured at 1:50,000 as a polygon feature, but wide enough to be captured as an edge, as opposed to a point feature

Representation specification

Representation specification showing waterfall_edge

Click to enlarge image

Class attributes

Object classwaterfall_edge
Entity classWATERFALL
Additional entity classNot applicable
Object inheritancesimple_line
Entity sourceUS Standard Entity
Map series Topo50
LSLIFF object class184

Object attributes

AttributeLSLIFF code
Shapefile field
Data type
Attribute descriptionAttribute values*
The name of the waterfall, where known. Text data from July 2012 will be in UTF-8 format. If your system is not UTF-8 compliant, you will need to use the name_ascii attribute, which has had any macronated vowels removed. UTF-8 stands for Unicode Transformation Format-8. It is an octet (8-bit) lossless encoding of Unicode characters. UTF-8 encodes each Unicode character as a variable number of 1 to 4 octets, where the number of octets depends on the integer value assigned to the Unicode character. It is an efficient encoding of Unicode documents that use mostly US-ASCII characters because it represents each character in the range U+0000 through U+007F as a single octet. UTF-8 is the default encoding for XML.
"Huka Falls"
Indicates whether the entry in the name_ascii field contains a macronated vowel. Where the value is "Y" go to for a list of places or feature names within New Zealand that are gazetted and include macrons
The height of the waterfall
Text data from July 2012 will be in UTF-8 format. If your system is not UTF-8 compliant, you will need to use this attribute, which has had any macronated vowels removed.
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 versionRevisedDescription
72012-08-28Updated map image and aerial view; added representation specification and example feature photographs
62012-08-28Added scale-specific definitions
52012-08-16Name attribute in UTF-8 format; added name_ascii attribute
42010-03-01object class changed and added name_macronated attribute
32001-11-23Unspecified update
21999-10-01updated data type
11999-03-01intial status