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Feature type: HazardousRock_P

Package:

MarineDangers

Title:

BD130_P

Definition:

An isolated rocky formation or a single large stone or coral, usually one constituting a danger to navigation.

Description:

May be either dry, awash, or below the water surface.

Type:

Feature type

Overview of characteristics:


Attributes and association roles
Name Type Multiplicity
geometry-pointGeometryInfo.area Real 0..1
geometry-pointGeometryInfo.baseElevation.accuracy Real 0..1
geometry-pointGeometryInfo.baseElevation.value-singleValue Real 0..1
geometry-pointGeometryInfo.horizCoordMetadata.absoluteHorizAccuracy90.absoluteHorizAccEvalMeth HorizPosAccuracy_absoluteHorizAccEvalMeth 0..1
geometry-pointGeometryInfo.horizCoordMetadata.absoluteHorizAccuracy90.value Real 0..1
geometry-pointGeometryInfo.horizCoordMetadata.horizAccuracyCategory HorizCoordMetadata_horizAccuracyCategory 0..1
geometry-pointGeometryInfo.length-singleValue Real 0..1
geometry-pointGeometryInfo.pointGeometry GM_Point 0..1
geometry-pointGeometryInfo.vertCoordMetadata.absoluteVertAccuracy90.absoluteVertAccEvalMeth VertPosAccuracy_absoluteVertAccEvalMeth 0..1
geometry-pointGeometryInfo.vertCoordMetadata.absoluteVertAccuracy90.value Real 0..1
geometry-pointGeometryInfo.vertCoordMetadata.elevationAccuracyCategory VertCoordMetadata_elevationAccuracyCategory 0..1
geometry-pointGeometryInfo.width-singleValue Real 0..1
heightAboveSurfaceLevel.accuracy Real 0..1
heightAboveSurfaceLevel.value-singleValue Real 0..1
highestElevation.accuracy Real 0..1
highestElevation.value-singleValue Real 0..1
highestElevation_2.accuracy Real 0..1
highestElevation_2.value-singleValue Real 0..1
highestElevation_3.accuracy Real 0..1
highestElevation_3.value-singleValue Real 0..1
isDesignatedBy.fullName CharacterString 0..1
isDesignatedBy.fullNameNoDiacritics CharacterString 0..1
isDesignatedBy.fullNameOrdered CharacterString 0..1
isDesignatedBy.geoNameCharacterSet GeoNameInfo_geoNameCharacterSet 0..1
isDesignatedBy.geoNameDesignation CharacterString 0..1
isDesignatedBy.geographicNameType GeoNameInfo_geographicNameType 0..1
isDesignatedBy.iso15924ScriptCode CharacterString 0..1
isDesignatedBy.languageCode CharacterString 0..1
isDesignatedBy.languageDialectCode CharacterString 0..1
isDesignatedBy.multipleOfficialNames BooleanWithONINA 0..1
isDesignatedBy.nameIdentifier CharacterString 0..1
isDesignatedBy.namedFeatureIdentifier CharacterString 0..1
isDesignatedBy_2.fullName CharacterString 0..1
isDesignatedBy_2.fullNameNoDiacritics CharacterString 0..1
isDesignatedBy_2.fullNameOrdered CharacterString 0..1
isDesignatedBy_2.geoNameCharacterSet GeoNameInfo_geoNameCharacterSet 0..1
isDesignatedBy_2.geoNameDesignation CharacterString 0..1
isDesignatedBy_2.geographicNameType GeoNameInfo_geographicNameType 0..1
isDesignatedBy_2.iso15924ScriptCode CharacterString 0..1
isDesignatedBy_2.languageCode CharacterString 0..1
isDesignatedBy_2.languageDialectCode CharacterString 0..1
isDesignatedBy_2.multipleOfficialNames BooleanWithONINA 0..1
isDesignatedBy_2.nameIdentifier CharacterString 0..1
isDesignatedBy_2.namedFeatureIdentifier CharacterString 0..1
metadata.dataQualityStatement CharacterString 0..1
metadata.delineationKnown BooleanWithONINA 0..1
metadata.existenceCertaintyCat FeatureMetadata_existenceCertaintyCat 0..1
metadata.surveyCoverageCategory FeatureMetadata_surveyCoverageCategory 0..1
predominantFeatureHeight-singleValue Real 0..1
specifiedDomainValues CharacterString 0..1
uniqueEntityIdentifier CharacterString 1
universalUniqueIdentifier CharacterString 1

Attribute:

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Name:

geometry-pointGeometryInfo.area

Title:

GEM-zI007.ARA

Definition:

The area within the delineation of the feature.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.baseElevation.accuracy

Title:

GEM-zI007.BEL.accuracy

Definition:

The vertical distance from a specified vertical datum to the terrain surface of or at the base of the feature.

Description:

If the feature is not supported above the surface by another feature then the base of the feature is usually located at ground or water level on the downhill/downstream side. For non-inland water bodies, the water level is usually understood to be Mean Sea Level (MSL). In the case of a survey marker (monument) this is usually the elevation assigned to the marker (monument).

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.baseElevation.value-singleValue

Title:

GEM-zI007.BEL.value-singleValue

Definition:

The vertical distance from a specified vertical datum to the terrain surface of or at the base of the feature.

Description:

If the feature is not supported above the surface by another feature then the base of the feature is usually located at ground or water level on the downhill/downstream side. For non-inland water bodies, the water level is usually understood to be Mean Sea Level (MSL). In the case of a survey marker (monument) this is usually the elevation assigned to the marker (monument).

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.horizCoordMetadata.absoluteHorizAccuracy90.absoluteHorizAccEvalMeth

Title:

GEM-zI007.horizCoordMetadata.AHA.absoluteHorizAccEvalMeth

Definition:

The method by which the absolute horizontal accuracy was derived.

Multiplicity:

0..1

Value type:

HorizPosAccuracy_absoluteHorizAccEvalMeth (enumeration)

Values:

See listed values

Attribute:

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Name:

geometry-pointGeometryInfo.horizCoordMetadata.absoluteHorizAccuracy90.value

Title:

GEM-zI007.horizCoordMetadata.AHA.value

Definition:

The difference between the recorded horizontal coordinates of a feature and its true position referenced to the same geodetic datum expressed as a circular error at 90 percent probability.

Description:

It may also be applied to a data set. If the data contains multiple accuracies, usually the worst accuracy which applies to 10% or more of the data is recorded.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.horizCoordMetadata.horizAccuracyCategory

Title:

GEM-zI007.horizCoordMetadata.ACC

Definition:

A general evaluation of the horizontal accuracy of the geographic position of a feature, as a category.

Multiplicity:

0..1

Value type:

HorizCoordMetadata_horizAccuracyCategory (enumeration)

Values:

See listed values

Attribute:

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Name:

geometry-pointGeometryInfo.length-singleValue

Title:

GEM-zI007.LZN-singleValue

Definition:

The dimension of a feature taken along its primary alignment of use and generally in the horizontal plane.

Description:

The primary alignment of a feature is its established direction of flow or use (for example: a road, a power line, a river, a rapid, and/or a bridge). A feature-specific rule may apply. In the case of a bridge, the length is the distance between the bridge abutments along the bridge centreline. In the case of a dam, the length is the distance along the dam crest. If no established direction of flow or use exists then (1) if the feature is irregular in shape its length is its greatest horizontal dimension (see Attribute: 'Greatest Horizontal Extent'), else (2) if the feature is regular in shape then a shape-specific rule may apply: for a rectangular feature, the length of the longer axis; for a round feature, the diameter.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.pointGeometry

Title:

GEM-zI007.G01

Definition:

A 0-dimensional geometric primitive, representing a position.

Multiplicity:

0..1

Value type:

GM_Point

Attribute:

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Name:

geometry-pointGeometryInfo.vertCoordMetadata.absoluteVertAccuracy90.absoluteVertAccEvalMeth

Title:

GEM-zI007.vertCoordMetadata.AVA.absoluteVertAccEvalMeth

Definition:

The method by which the absolute vertical accuracy was derived.

Multiplicity:

0..1

Value type:

VertPosAccuracy_absoluteVertAccEvalMeth (enumeration)

Values:

See listed values

Attribute:

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Name:

geometry-pointGeometryInfo.vertCoordMetadata.absoluteVertAccuracy90.value

Title:

GEM-zI007.vertCoordMetadata.AVA.value

Definition:

The difference between the recorded elevation of a feature and its true elevation referenced to the same vertical datum expressed as a linear error at 90 percent probability.

Description:

It may also be applied to a data set. If the data contains multiple accuracies, usually the worst accuracy which applies to 10% or more of the data is recorded.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

geometry-pointGeometryInfo.vertCoordMetadata.elevationAccuracyCategory

Title:

GEM-zI007.vertCoordMetadata.ELA

Definition:

A general evaluation of the accuracy of the vertical position of a feature, as a category.

Multiplicity:

0..1

Value type:

VertCoordMetadata_elevationAccuracyCategory (enumeration)

Values:

See listed values

Attribute:

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Name:

geometry-pointGeometryInfo.width-singleValue

Title:

GEM-zI007.WID-singleValue

Definition:

The dimension of a feature taken perpendicular to its primary alignment of use and generally in the horizontal plane.

Description:

The primary alignment of a feature is its established direction of flow or use (for example: a road, a power line right-of-way, a river, rapid, and/or a bridge). A feature-specific rule may apply. In the case of a bridge, the width is the distance perpendicular to the bridge centre-line and generally in the horizontal plane. In the case of a dam, the width is the distance perpendicular to (across the) the dam crest. If no such direction of flow or use exists then (1) if the feature is irregular in shape its width is taken perpendicular to the direction of its greatest horizontal dimension (see Attribute: 'Greatest Horizontal Extent'), else (2) if the feature is regular in shape then a shape-specific rule may apply: for a rectangular feature, the length of the shorter axis; for a round feature, the diameter.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

heightAboveSurfaceLevel.accuracy

Title:

HGT.accuracy

Definition:

The vertical distance measured from the lowest point of the base of the feature at ground or water level (downhill/downstream side) to the tallest point of the feature.

Description:

For non-inland water bodies, the water level is usually understood to be Mean Sea Level (MSL). Note that the feature may be supported above the surface by another feature (for example: a tower supported by a building) and as a consequence the value of the Height Above Surface Level is different (larger) than the base-to-top height of the feature (for example: supported tower) itself.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

heightAboveSurfaceLevel.value-singleValue

Title:

HGT.value-singleValue

Definition:

The vertical distance measured from the lowest point of the base of the feature at ground or water level (downhill/downstream side) to the tallest point of the feature.

Description:

For non-inland water bodies, the water level is usually understood to be Mean Sea Level (MSL). Note that the feature may be supported above the surface by another feature (for example: a tower supported by a building) and as a consequence the value of the Height Above Surface Level is different (larger) than the base-to-top height of the feature (for example: supported tower) itself.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

highestElevation.accuracy

Title:

ZVH.accuracy

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

highestElevation.value-singleValue

Title:

ZVH.value-singleValue

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

highestElevation_2.accuracy

Title:

ZVH_2.accuracy

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

highestElevation_2.value-singleValue

Title:

ZVH_2.value-singleValue

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

highestElevation_3.accuracy

Title:

ZVH_3.accuracy

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

back to top

Name:

highestElevation_3.value-singleValue

Title:

ZVH_3.value-singleValue

Definition:

The elevation from a specified vertical datum to the highest point on a feature.

Description:

In the case of multiple features that may be stacked on each other (for example: a railway on a bridge, a superstructure on a building, or an aerial on a tower) the highest elevation is that of the entire feature stack. For example, the highest elevation of a church is that of its steeple and not that of the roof of the church itself. The church itself may have a height above surface level that excludes the additional height of the steeple superstructure located on the church roof.

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

isDesignatedBy.fullName

Title:

ISDES.FNA

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart.

Description:

It is generally considered to consist of a specific part, a generic part, and any articles or prepositions. The order of the parts may vary with the generic part appearing at the beginning, middle or end.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.fullNameNoDiacritics

Title:

ISDES.FN1

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart except that any diacritics and special characters have been replaced with their corresponding Roman characters.

Description:

It is generally considered to consist of a specific part, a generic part, and any articles or prepositions. The order of the parts may vary with the generic part appearing at the beginning, middle or end.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.fullNameOrdered

Title:

ISDES.FN2

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart, except that its components have been arranged into an order that facilitates alphabetic ordering and search.

Description:

The component order is such that the specific part of the name appears first, followed by an optional comma, the generic part of the name, and then finally any articles or prepositions (for example: 'Everest, Mount' or 'Mexico, Gulf of'). For some geographic names no reordering of the full name is required (for example: 'Tigrus River'). Geographic names that are believed to no longer exist are enclosed in double parenthesis, as: '(( Name ))'.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.geoNameCharacterSet

Title:

ISDES.GCS

Definition:

The character set used for the display of characters with diacritics and special characters in a geographic name.

Description:

Individual character sets include diacritics and special characters from multiple languages in the same geographic region.

Multiplicity:

0..1

Value type:

GeoNameInfo_geoNameCharacterSet (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy.geoNameDesignation

Title:

ISDES.GND

Definition:

The designation of the type of a feature with which a geographic name is associated, as used in the NGA Geographic Names Data Base (GNDB).

Description:

A designated feature type also has a (unique, single) geographic name classification.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.geographicNameType

Title:

ISDES.GNT

Definition:

The type of a geographic name based on its scope of use, quality of source and/or its transliteration status.

Multiplicity:

0..1

Value type:

GeoNameInfo_geographicNameType (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy.iso15924ScriptCode

Title:

ISDES.IS1

Definition:

The International Organization for Standardization (ISO 15924) four character code that designates a script.

Description:

A script is a set of graphic characters used for the written form of one or more languages.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.languageCode

Title:

ISDES.LAN

Definition:

The International Organization for Standardization (ISO 639-3) three character code that designates the language or macrolanguage of the source of a geographic name.

Description:

A macrolanguage is a set of closely related language varieties (dialects) that generally have a common linguistic identity and a common written form; this may occur when there is a transitional socio-linguistic situation in which sub-communities of a single language community are diverging. The language of the geographic name source should be distinguished from the language of origin or etymology of a geographic name; for example, considering the place name 'San Jose, California' the language of the source of this geographic name may be English if it is determined from a United States map, regardless of the fact that this geographic name means 'St. Joseph, California' in Spanish.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.languageDialectCode

Title:

ISDES.LAD

Definition:

The International Organization for Standardization (ISO 639-3) three character code that designates the language dialect, if applicable, of the source of a geographic name.

Description:

Some languages have no (child) dialects. Each language dialect is unique to only one parent language.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.multipleOfficialNames

Title:

ISDES.MON

Definition:

An indication that a feature has more than one official, native script, geographic name.

Description:

Multiple official names may exist when a feature passes through more than one country and those multiple countries have different official names for that feature. Some countries have more than one official language and therefore may have an official name for a feature in each official language.

Multiplicity:

0..1

Value type:

BooleanWithONINA (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy.nameIdentifier

Title:

ISDES.NFN

Definition:

The unique name identifier element in the NGA Geographic Names Data Base (GNDB).

Description:

Typically used together with Attribute: 'Named Feature Identifier' to provide a unique index into the NGA Geographic Names Data Base (GNDB) from which NGA draws all of its feature name information.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy.namedFeatureIdentifier

Title:

ISDES.NFI

Definition:

The unique named feature identifier element in the NGA Geographic Names Data Base (GNDB).

Description:

Typically used together with Attribute: 'Name Identifier' to provide a unique index into the NGA Geographic Names Data Base (GNDB) from which NGA draws all of its feature name information.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.fullName

Title:

ISDES_2.FNA

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart.

Description:

It is generally considered to consist of a specific part, a generic part, and any articles or prepositions. The order of the parts may vary with the generic part appearing at the beginning, middle or end.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.fullNameNoDiacritics

Title:

ISDES_2.FN1

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart except that any diacritics and special characters have been replaced with their corresponding Roman characters.

Description:

It is generally considered to consist of a specific part, a generic part, and any articles or prepositions. The order of the parts may vary with the generic part appearing at the beginning, middle or end.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.fullNameOrdered

Title:

ISDES_2.FN2

Definition:

A complete name that is used to designate the entity as that designation would normally be written by the originating culture on a map or chart, except that its components have been arranged into an order that facilitates alphabetic ordering and search.

Description:

The component order is such that the specific part of the name appears first, followed by an optional comma, the generic part of the name, and then finally any articles or prepositions (for example: 'Everest, Mount' or 'Mexico, Gulf of'). For some geographic names no reordering of the full name is required (for example: 'Tigrus River'). Geographic names that are believed to no longer exist are enclosed in double parenthesis, as: '(( Name ))'.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.geoNameCharacterSet

Title:

ISDES_2.GCS

Definition:

The character set used for the display of characters with diacritics and special characters in a geographic name.

Description:

Individual character sets include diacritics and special characters from multiple languages in the same geographic region.

Multiplicity:

0..1

Value type:

GeoNameInfo_geoNameCharacterSet (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy_2.geoNameDesignation

Title:

ISDES_2.GND

Definition:

The designation of the type of a feature with which a geographic name is associated, as used in the NGA Geographic Names Data Base (GNDB).

Description:

A designated feature type also has a (unique, single) geographic name classification.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.geographicNameType

Title:

ISDES_2.GNT

Definition:

The type of a geographic name based on its scope of use, quality of source and/or its transliteration status.

Multiplicity:

0..1

Value type:

GeoNameInfo_geographicNameType (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy_2.iso15924ScriptCode

Title:

ISDES_2.IS1

Definition:

The International Organization for Standardization (ISO 15924) four character code that designates a script.

Description:

A script is a set of graphic characters used for the written form of one or more languages.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.languageCode

Title:

ISDES_2.LAN

Definition:

The International Organization for Standardization (ISO 639-3) three character code that designates the language or macrolanguage of the source of a geographic name.

Description:

A macrolanguage is a set of closely related language varieties (dialects) that generally have a common linguistic identity and a common written form; this may occur when there is a transitional socio-linguistic situation in which sub-communities of a single language community are diverging. The language of the geographic name source should be distinguished from the language of origin or etymology of a geographic name; for example, considering the place name 'San Jose, California' the language of the source of this geographic name may be English if it is determined from a United States map, regardless of the fact that this geographic name means 'St. Joseph, California' in Spanish.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.languageDialectCode

Title:

ISDES_2.LAD

Definition:

The International Organization for Standardization (ISO 639-3) three character code that designates the language dialect, if applicable, of the source of a geographic name.

Description:

Some languages have no (child) dialects. Each language dialect is unique to only one parent language.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.multipleOfficialNames

Title:

ISDES_2.MON

Definition:

An indication that a feature has more than one official, native script, geographic name.

Description:

Multiple official names may exist when a feature passes through more than one country and those multiple countries have different official names for that feature. Some countries have more than one official language and therefore may have an official name for a feature in each official language.

Multiplicity:

0..1

Value type:

BooleanWithONINA (enumeration)

Values:

See listed values

Attribute:

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Name:

isDesignatedBy_2.nameIdentifier

Title:

ISDES_2.NFN

Definition:

The unique name identifier element in the NGA Geographic Names Data Base (GNDB).

Description:

Typically used together with Attribute: 'Named Feature Identifier' to provide a unique index into the NGA Geographic Names Data Base (GNDB) from which NGA draws all of its feature name information.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

isDesignatedBy_2.namedFeatureIdentifier

Title:

ISDES_2.NFI

Definition:

The unique named feature identifier element in the NGA Geographic Names Data Base (GNDB).

Description:

Typically used together with Attribute: 'Name Identifier' to provide a unique index into the NGA Geographic Names Data Base (GNDB) from which NGA draws all of its feature name information.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

metadata.dataQualityStatement

Title:

MD0.DQS

Definition:

A narrative or other textual description that records a general assessment of the quality of a resource (for example: a data instance, a data set or a data processing activity).

Description:

The quality of a data resource is dependent on the data providers knowledge regarding the lineage of the data and the processes that have been used to transform that data. No restriction is placed on the length of the statement.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

metadata.delineationKnown

Title:

MD0.COD

Definition:

An indication that the delineation (for example: limits and information) of a feature is known.

Multiplicity:

0..1

Value type:

BooleanWithONINA (enumeration)

Values:

See listed values

Attribute:

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Name:

metadata.existenceCertaintyCat

Title:

MD0.COE

Definition:

A general evaluation of the quality of a feature assessment, as a category.

Multiplicity:

0..1

Value type:

FeatureMetadata_existenceCertaintyCat (enumeration)

Values:

See listed values

Attribute:

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Name:

metadata.surveyCoverageCategory

Title:

MD0.SUR

Definition:

A general evaluation of the coverage quality of a survey, as a category.

Description:

See possibly accompanying Attribute: 'Position Quality Category' for additional survey-related information.

Multiplicity:

0..1

Value type:

FeatureMetadata_surveyCoverageCategory (enumeration)

Values:

See listed values

Attribute:

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Name:

predominantFeatureHeight-singleValue

Title:

PFH-singleValue

Definition:

The predominant height (the height of at least 50 percent) of the feature measured from the lowest point of the base at ground or water level (downhill side/downstream side).

Multiplicity:

0..1

Value type:

Real

Attribute:

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Name:

specifiedDomainValues

Title:

OTH

Definition:

One or more intended attribute domain values for one or more enumeration or codelist attributes that are not currently valid members of their respective attribute ranges.

Description:

The actual attribute domain values may have been previously, or may become in the future, valid members of the attribute domain range.

Multiplicity:

0..1

Value type:

CharacterString

Attribute:

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Name:

uniqueEntityIdentifier

Title:

UFI

Definition:

The globally unique and persistent identifier of an entity (for example: feature or event) instance as specified by a Uniform Resource Name (URN) in accordance with the Internet Engineering Task Force (IETF) RFC2396 and RFC2141.

Description:

It is based on the Uniform Resource Identifier (URI), a compact string of characters for identifying an abstract or physical resource. The term 'Uniform Resource Name' (URN) refers to the subset of URI that are required to remain globally unique and persistent even when the resource ceases to exist or becomes unavailable. The URN is drawn from one of a set of defined namespaces, each of which has its own set name structure and assignment procedures.

Multiplicity:

1

Value type:

CharacterString

Attribute:

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Name:

universalUniqueIdentifier

Title:

UUI

Definition:

The Universal Unique Identifier (UUID) that is assigned to a feature in order to uniquely identify it for the purpose of maintaining relationships between features (relational database) and version control.

Description:

UUIDs are defined in ITU-T Rec. X.667 |||||||||||||||||||||||||||||||| ISO/IEC 9834-8.

Multiplicity:

1

Value type:

CharacterString