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Copyright © 2007, 2008 Open Geospatial Consortium, Inc. All Rights Reserved.
4.1.9 coordinate system
set of mathematical rules for specifying how coordinates are to be assigned to points [ISO 19111]
4.1.10 coordinate tuple
tuple composed of a sequence of coordinates [ISO 19111]
4.1.11 data type
specification of a value domain with operations allowed on values in this domain [ISOTS 19103]
EXAMPLE: integer, real, boolean, string, date conversion of a data into a series of codes. NOTE:
Data types include primitive predefined types and user-definable types. All instances of a data types lack identity.
4.1.12 datum
parameter or set of parameters that define the position of the origin, the scale, and the orientation of a coordinate system
[ISO 19111]
NOTE: A datum may be a geodetic datum, a vertical datum, an engineering datum, an image datum or a
temporal datum.
4.1.13 document XML
well-formed XML instance
4.1.14 earth browser
software for displaying and annotating models of the Earth
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4.1.15 element XML
basic information item of an XML document containing child elements, attributes and character data
NOTE: From the XML Information Set: Each XML document contains one or more elements, the
boundaries of which are either delimited by start-tags and end-tags, or, for empty elements, by an empty-element tag. Each element has a type, identified by name, sometimes called its generic
identifier GI, and may have a set of attribute specifications. Each attribute specification has a name and a value.
4.1.16 field
child element of simple content
4.1.17 field type
XML Schema simple type defined in the KML schema document
4.1.18 geodetic datum
datum describing the relationship of a 2- or 3-dimensional coordinate system to the Earth [ISO 19111]
4.1.19 geographic view
display of geographic KML elements
4.1.20 interior
set of all points that are on a geometric object but which are not on its boundary
4.1.21 line string
curve composed of straight-line segments
4.1.22 list view
display of one or more hierarchies of KML Features
OGC 07-147r2
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Copyright © 2007, 2008 Open Geospatial Consortium, Inc. All Rights Reserved.
4.1.23 namespace XML
collection of names, identified by a URI reference, which are used in XML documents as element names and attribute names [W3C XML Namespaces]
4.1.24 plate carrée projection
A simple cylindrical projection in which the target plane has a horizontal axis representing longitude standard parallel is the Equator and vertical axis representing latitude. Otherwise
known as equi-rectangular, plane chart, or unprojected map projection.
4.1.25 point
0-dimensional geometric primitive, representing a position [ISO 19107]
NOTE: The boundary of a point is the empty set.
4.1.26 polygon
