VerticalDatumType (Apache SIS 1.6 API)
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org.opengis.geoapi
org.opengis.referencing.datum
VerticalDatumType
Contents 
Description
Nested Class Summary
Field Summary
Method Summary
Field Details
OTHER_SURFACE
GEOIDAL
DEPTH
BAROMETRIC
Method Details
values()
family()
valueOf(String)
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Class VerticalDatumType
Object
CodeList<VerticalDatumType>
VerticalDatumType
All Implemented Interfaces:
Serializable, Comparable<Vertical­Datum­Type>
@UML(identifier="CD_VerticalDatumType",
specification=ISO_19111)
public final class VerticalDatumType
extends CodeList<VerticalDatumType>
Type of a vertical datum.
Since:
1.0
See Also:
Serialized Form
Nested Class Summary
Nested classes/interfaces inherited from class CodeList
Code­List​.Filter
Field Summary
Fields
Modifier and Type
Field
Description
static final Vertical­Datum­Type
BAROMETRIC
Atmospheric pressure is the basis for the definition of the origin of the
associated vertical coordinate system axis.
static final Vertical­Datum­Type
DEPTH
The zero point of the vertical axis is defined by a surface that has meaning for the
purpose which the associated vertical measurements are used for.
static final Vertical­Datum­Type
GEOIDAL
The zero value of the associated vertical coordinate system axis is defined to approximate
a constant potential surface, usually the geoid.
static final Vertical­Datum­Type
OTHER_SURFACE
In some cases, e.g. oil exploration and production, a geological feature, such as the top
or bottom of a geologically identifiable and meaningful subsurface layer, is used as a
vertical datum.
Method Summary
All MethodsStatic MethodsInstance MethodsConcrete Methods
Modifier and Type
Method
Description
Vertical­Datum­Type[]
family()
Returns the list of enumerations of the same kind as this enum.
static Vertical­Datum­Type
value­Of(String code)
Returns the vertical datum type that matches the given string, or returns a
new one if none match it.
static Vertical­Datum­Type[]
values()
Returns the list of Vertical­Datum­Types.
Methods inherited from class CodeList
compare­To, identifier, name, names, ordinal, read­Resolve, to­String, value­Of, value­Of
Methods inherited from class Object
clone, equals, finalize, get­Class, hash­Code, notify, notify­All, wait, wait, wait
Field Details
OTHER_SURFACE
@UML(identifier="other surface",
obligation=CONDITIONAL,
specification=ISO_19111)
public static final VerticalDatumType OTHER_SURFACE
In some cases, e.g. oil exploration and production, a geological feature, such as the top
or bottom of a geologically identifiable and meaningful subsurface layer, is used as a
vertical datum. Other variations to the above three vertical datum types may exist
and are all included in this type.
GEOIDAL
@UML(identifier="geoidal",
obligation=CONDITIONAL,
specification=ISO_19111)
public static final VerticalDatumType GEOIDAL
The zero value of the associated vertical coordinate system axis is defined to approximate
a constant potential surface, usually the geoid. Such a reference surface is usually
determined by a national or scientific authority, and is then a well-known, named datum.
DEPTH
@UML(identifier="depth",
obligation=CONDITIONAL,
specification=ISO_19111)
public static final VerticalDatumType DEPTH
The zero point of the vertical axis is defined by a surface that has meaning for the
purpose which the associated vertical measurements are used for. For hydrographic charts,
this is often a predicted nominal sea surface (i.e., without waves or other wind and current
effects) that occurs at low tide. Depths are measured in the direction perpendicular
(approximately) to the actual equipotential surfaces of the earth's gravity field,
using such procedures as echo-sounding.
BAROMETRIC
@UML(identifier="barometric",
obligation=CONDITIONAL,
specification=ISO_19111)
public static final VerticalDatumType BAROMETRIC
Atmospheric pressure is the basis for the definition of the origin of the
associated vertical coordinate system axis. These are approximations of
orthometric heights obtained with the help of a barometer or a barometric
altimeter. These values are usually expressed in one of the following units:
meters, feet, millibars (used to measure pressure levels), or theta value
(units used to measure geopotential height).
Method Details
values
public static VerticalDatumType[] values()
Returns the list of Vertical­Datum­Types.
Returns:
The list of codes declared in the current JVM.
family
public VerticalDatumType[] family()
Returns the list of enumerations of the same kind as this enum.
Specified by:
family in class Code­List<Vertical­Datum­Type>
Returns:
The codes of the same kind as this code.
valueOf
public static VerticalDatumType valueOf(String code)
Returns the vertical datum type that matches the given string, or returns a
new one if none match it.
Parameters:
code - The name of the code to fetch or to create.
Returns:
A code matching the given name.