New Zealand Topographic Data Dictionary


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For more information contact the New Zealand National Topo/Hydro Authority. Please note: the metadata presented here is prior to changes agreed with ICSM members and is therefore subject to alteration. Please read the Explanatory Page for explanations of the fields, abbreviations and symbols which have been used.


Object_class Entity_class Additional entity class Object Inheritance
orthophoto Not available Not applicable image
Object description
Digital orthophoto; a digital image which has the properties of an orthographic projection. It is derived from a digitised perspective aerial photograph by differential rectification so that image displacements caused by camera tilt and terrain relief are removed.
Map image Digital data image

orthophoto.jpg

orthophoto.gif
Click to enlarge map Click to enlarge diagram
Comments
Orthophotos are used for the maintenance of NZTopo data. See LINZ wed site for download. www.linz.govt.nz/services/topo-hydro/pages/topo/aerialandorthophotos/orthoindexmap.html
Entity Source Classification Seed class Last updated Edition number
Not available 50k topo not_applicable 23/11/2001 2

Associated Objects

(Where applicable)

Object Attributes

(Where applicable)