File Geodatabase Feature Class

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World. Ports, Transportation


This layer contains locations of major ports around the world. This point file is intended for multi-scale thematic mapping and analysis.



The spatial data were obtained from Natural Earth. This layer derives from High Seas, a detailed GIS compilation of world wide ports that is in the public domain. Attributes were modified to scalerank, tyype, name, website, and natlscale. The coordinate system of this data is WGS 1984.


Center for Geospatial Technology, Texas Tech University
Natural Earth

Use limitations


West  -171.757950    East  179.309364
North  78.226111    South  -54.809444

Scale Range
Maximum (zoomed in)  1:5,000
Minimum (zoomed out)  1:150,000,000

ArcGIS Metadata 

Topics and Keywords 

*Content type  Downloadable Data


*Title WRD_Ports_Detail_NE

Presentation formats* digital map

Resource Details 

Dataset languages* English (UNITED STATES)

Spatial representation type* vector

*Processing environment Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS

Center for Geospatial Technology, Texas Tech University
Natural Earth

ArcGIS item properties
*Name WRD_Ports_Detail_NE
*Location file://\\cgstdb\CGSTGeognet\Geognet\Geognet2014\WRDLayers2014\WRD_Transportation\WRD_Transportation.gdb
*Access protocol Local Area Network


Geographic extent
Bounding rectangle
Extent type  Extent used for searching
*West longitude -171.757950
*East longitude 179.309364
*North latitude 78.226111
*South latitude -54.809444
*Extent contains the resource Yes

Extent in the item's coordinate system
*West longitude -171.757950
*East longitude 179.309364
*South latitude -54.809444
*North latitude 78.226111
*Extent contains the resource Yes

Spatial Reference 

ArcGIS coordinate system
*Type Geographic
*Geographic coordinate reference GCS_WGS_1984
*Coordinate reference details
Geographic coordinate system
Well-known identifier 4326
X origin -400
Y origin -400
XY scale 1111948722.2222221
Z origin -100000
Z scale 10000
M origin -100000
M scale 10000
XY tolerance 8.983152841195215e-009
Z tolerance 0.001
M tolerance 0.001
High precision true
Left longitude -180
Latest well-known identifier 4326
Well-known text GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],METADATA["World",-180.0,-90.0,180.0,90.0,0.0,0.0174532925199433,0.0,1262],AUTHORITY["EPSG",4326]]

Reference system identifier
*Value 4326
*Codespace EPSG
*Version 8.2.6

Spatial Data Properties 

*Level of topology for this dataset  geometry only

Geometric objects
Feature class name WRD_Ports_Detail_NE
*Object type  point
*Object count 1081

ArcGIS Feature Class Properties
Feature class name WRD_Ports_Detail_NE
*Feature type Simple
*Geometry type Point
*Has topology FALSE
*Feature count 1081
*Spatial index TRUE
*Linear referencing FALSE


Distribution format
*Name File Geodatabase Feature Class


Details for object WRD_Ports_Detail_NE 
*Type Feature Class
*Row count 1081

*Data type OID
*Width 4
*Precision 0
*Scale 0
*Field description
Internal feature number.

*Description source

*Description of values
Sequential unique whole numbers that are automatically generated.

Field Shape
*Alias Shape
*Data type Geometry
*Width 0
*Precision 0
*Scale 0
*Field description
Feature geometry.

*Description source

*Description of values
Coordinates defining the features.

Field scalerank
*Alias scalerank
*Data type SmallInteger
*Width 2
*Precision 0
*Scale 0

Field featurecla
*Alias featurecla
*Data type String
*Width 80
*Precision 0
*Scale 0

Field name
*Alias name
*Data type String
*Width 50
*Precision 0
*Scale 0

Field website
*Alias website
*Data type String
*Width 254
*Precision 0
*Scale 0

Field natlscale
*Alias natlscale
*Data type Double
*Width 8
*Precision 0
*Scale 0

Metadata Details 

*Metadata language English (UNITED STATES)

Scope of the data described by the metadata* dataset
Scope name* dataset

*Last update 2015-01-05

ArcGIS metadata properties
Metadata format ArcGIS 1.0
Standard or profile used to edit metadata ItemDescription

Created in ArcGIS for the item 2014-09-19 10:59:41
Last modified in ArcGIS for the item 2015-01-05 10:05:24

Automatic updates
Have been performed Yes
Last update 2015-01-05 10:05:24

FGDC Metadata (read-only) 

Entities and Attributes