NZ Topo - object class saddle_pnt

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

Description

Low point or opening between hills or mountains

Topo250 description

Only those 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 saddle_pnt

Click to enlarge image

Class attributes

Attribute Value
Object class saddle_pnt
Entity class GAP
Additional entity class Not applicable
Object inheritance simple_point
Entity source US Standard Entity
Map series Topo50 Topo250 Ant50 Topo500
LSLIFF object class 131

Object attributes

Attribute LSLIFF code
Shapefile field
Data type
Attribute description Attribute values*
name 1001
name
string
The name of the saddle, 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.
"Cow Saddle"
{empty}
name_macronated 1140
macronated
boolean
Indicates whether the entry in the name_ascii field contains a macronated vowel. Where the value is "Y" go to http://www.linz.govt.nz/regulatory/place-names/find-place-name/find-m%C4%81ori-place-names-dual-names-and-alternative-names for a list of places or feature names within New Zealand that are gazetted and include macrons
Y
N
elevation 1021
elevation
real
The height above mean sea level of the lowest point of the saddle
"1025"
{empty}
name_ascii 9000
name_ascii
string
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.
UFID 1000
t50_fid
integer
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.
"3254886"
orientation 1115
orientatn
string
The orientation or angle of the feature as it is shown on the map. This is measured in radians starting from due east, in a counter- clockwise direction for positive numbers or clockwise for negative numbers.
"-2.9537"

* See explanation of attribute values for more information about how attribute values are represented.

Change log

Feature version Revised Description
8 2020-04-08 added orientation attribute
7 2012-08-28 Updated map image and aerial view; added representation specification and example feature photographs
6 2012-08-28 Added scale-specific definitions
5 2012-08-16 Name attribute in UTF-8 format; added name_ascii attribute
4 2010-03-01 Added name_macronated attribute and removed orientation attribute
3 2001-11-23 Unspecified update
2 1999-10-01 new attribute
1 1999-03-01 initial status