Topics and Keywords ▼►

Themes or categories of the resource oceans, structure

* Content type Downloadable Data

Export to FGDC CSDGM XML format as Resource Description No

Other keywords coast, light station, lighthouses, hazard

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Citation ▼►

* Title GISVIEW.MEGIS.lighthouses

Alternate titles Lighthouses

Publication date 2014-10-23 00:00:00

Presentation formats digital map

FGDC geospatial presentation format vector digital data

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Citation Contacts ▼►

Responsible party

Organization's name Maine Office of Geographic Information Systems
Contact's position GIS Coordinator
Contact's role originator

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Resource Details ▼►

Dataset languages English (UNITED STATES)

Dataset character set utf8 - 8 bit UCS Transfer Format

Status completed

Spatial representation type vector

Supplemental information

Features that have a FID_ value are also included in the feature dataset available from the US Board of Geographic Names (GNIS)

* Processing environment Microsoft Windows Server 2003 Version 5.2 (Build 3790) Service Pack 2; Esri ArcGIS 10.1.1.3143

Credits

Maine Office of GIS

ArcGIS item properties

* Name GISVIEW.MEGIS.lighthouses
* Location Server=sql-gisview-prod.som.w2k.state.me.us; Service=sde:sqlserver:sql-gisview-prod.som.w2k.state.me.us,1633; Database=GISVIEW; User=MEGIS; Version=dbo.DEFAULT

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Extents ▼►

Extent

Geographic extent

Extent in the item's coordinate system

* West longitude 361868.093100
* East longitude 662092.865400
* South latitude 4768741.544000
* North latitude 5002569.935400
* Extent contains the resource Yes

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Resource Points of Contact ▼►

Point of contact

Organization's name Maine Office of Geographic Information Systems
Contact's position GIS Coordinator
Contact's role point of contact

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Resource Maintenance ▼►

Resource maintenance

Update frequency as needed

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Resource Constraints ▼►

Constraints

Limitations of use

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Spatial Reference ▼►

ArcGIS coordinate system

* Type Projected
* Geographic coordinate reference GCS_North_American_1983
* Projection NAD_1983_UTM_Zone_19N
* Coordinate reference details

Reference system identifier

Value 26919
* Codespace EPSG
* Version 7.11.2

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Spatial Data Properties ▼►

Vector ►

* Level of topology for this dataset geometry only
Geometric objects

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ArcGIS Feature Class Properties

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Feature class name GISVIEW.MEGIS.lighthouses

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Lineage ▼►

Process step

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When the process occurred 2014-10-07 00:00:00
Description US Board of Geographic Names (GNIS) was used to extract 57 lighthouses for the Maine coast.. These lighthouse location points were verified using orthoimagery and NOAA nautical charts. Some of the points were moved to represent a more accurate position and were placed on or as close to the lighthouse structure as possible. A list from Wkipedia was used to locate 6 additions llighthouses that were not included in the GNIS data. These additional points were added to the dataset. Live links to lighthouse images were included from the Wkipedia site and were also coded active/inactive using data available at the time of publication.
Rationale To create a dataset that contains lighthouses of Maine.
Process contact

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Source data

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Description http://en.wikipedia.org/wiki/List_of_lighthouses_in_Maine This list was used to locate 6 additional lighthouses that were not included in the GNIS data for the coast of Maine. The point locations of these lighthouses were verified using orthoimagery and NOAA Nautical Charts.

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Source data

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Description US Board of Geographic Names (GNIS)

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Geoprocessing history ▼►

Process

Process name
Date 2014-10-17 14:24:43
Tool location c:\arcgis\desktop10.1\ArcToolbox\Toolboxes\Data Management Tools.tbx\CalculateField
Command issued
Include in lineage when exporting metadata No

Process

Process name
Date 2014-10-17 14:25:51
Tool location c:\arcgis\desktop10.1\ArcToolbox\Toolboxes\Data Management Tools.tbx\CalculateField
Command issued
Include in lineage when exporting metadata No

Process

Process name
Date 2014-10-17 14:26:20
Tool location c:\arcgis\desktop10.1\ArcToolbox\Toolboxes\Data Management Tools.tbx\CalculateField
Command issued
Include in lineage when exporting metadata No

Process

Process name
Date 2014-10-28 14:33:10
Tool location c:\arcgis\desktop10.1\ArcToolbox\Toolboxes\Data Management Tools.tbx\CalculateField
Command issued
Include in lineage when exporting metadata No

Process

Process name
Date 2014-10-30 11:17:38
Tool location c:\arcgis\desktop10.1\ArcToolbox\Toolboxes\Conversion Tools.tbx\FeatureClassToFeatureClass
Command issued
Include in lineage when exporting metadata No

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Distribution ▼►

Distributor ►

Contact information
Transfer options

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Distribution format

Name ESRI shapefile
Version ArcGIS 10.x
File decompression technique Data available from this website is in .zip compressed format.
Format information content MEGIS has all vector layers in the Maine GIS Internet Data Catalog available in ESRI's ArcGIS shapefile format. A shapefile is a simple non-topological format that stores the geometry and attribute information for a set of geographic features as a set of vector (point, line, polygon) coordinates. Shapefiles draw quickly and directly in ArcView, ArcGIS, ArcExplorer. Shapefiles are a compatible data type for many other types of GIS software. Three files are fundamental to each shapefile: .shp stores the feature geometry (shape and location information); .shx stores the index of the feature geometry; .dbf a dBASE (TM) file stores the attribute information for the features. Other index files may be created to help speed analysis and query: these file formats are .sbn .sbx .ain .aix .fbn and .fbx. In addition you may find projection .prj, and metadata .xml, files associated with shapefiles.

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