20210627
11482700
1.0
FALSE
CoastalDefenseStructure_z
878536.860638
1080751.260096
2649421.947478
2851481.629673
1
002
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001_Feet
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.4.0'><WKT>PROJCS["NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",656166.6666666665],PARAMETER["False_Northing",2460625.0],PARAMETER["Central_Meridian",-71.5],PARAMETER["Standard_Parallel_1",41.71666666666667],PARAMETER["Standard_Parallel_2",42.68333333333333],PARAMETER["Latitude_Of_Origin",41.0],UNIT["Foot_US",0.3048006096012192],AUTHORITY["EPSG",2249]],VERTCS["NAVD88_height_(ftUS)",VDATUM["North_American_Vertical_Datum_1988"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Foot_US",0.3048006096012192],AUTHORITY["EPSG",6360]]</WKT><XOrigin>-131834321.130385</XOrigin><YOrigin>-104188891.40182801</YOrigin><XYScale>3047.9937365604014</XYScale><ZOrigin>-100000</ZOrigin><ZScale>3048.0060960121918</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.00328083333333333</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102686</WKID><LatestWKID>2249</LatestWKID><VCSWKID>105703</VCSWKID><LatestVCSWKID>6360</LatestVCSWKID></ProjectedCoordinateSystem>
20250423
14382000
20250423
14382000
500000
5000
ISO19139
Anne Reynolds
Cape Cod Commission
GIS Director
Polygon feature of coastal defnse structures - structures built to protect shorelines from erosion.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Polygon feature of coastal defnse structures - structures built to protect shorelines from erosion.</SPAN></P><P><SPAN>Update features in an existing planimetric dataset, and collect some new additional feature classes, from imagery acquired in the spring of 2020, with a horizontal positional accuracy that shall not exceed 0.38-meters NSSDA 95% confidence (0.22-meters Root Mean Squared (RMSE) Error XY (0.15-meter RMSE X or Y), suitable for 40-scale Planimetrics.</SPAN></P><P><SPAN>Imagery Bands: 4-band (true color & near infrared) </SPAN></P><P><SPAN>Acceptable Window: Spring 2020, generally thought to be from February 1, 2020 and continue through April 30, 2020. </SPAN></P><P><SPAN>Acquisition Conditions: Leaf off, snow free, free from clouds, smoke, haze, light streaks, flooding (streams/rivers in banks), and excessive soil moisture. </SPAN></P><P><SPAN>Sun angle: Greater than 35 degrees over entire project. Minimal shadows, generally between 10am and 2pm. </SPAN></P><P><SPAN>Resolution: 7.5 cm Ground Sample Distance (pixel resolution)</SPAN></P></DIV></DIV></DIV>
Cape Cod Commission funded project completed by Quantum Spatial, Inc. starting in 2020.
Based on Spring 2020 aerial photography.
coastal defense structure
groin
jetty
revetment
sea wall
Cape Cod
planimetrics
2020
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Publicly available information.</SPAN></P></DIV></DIV></DIV>
Esri ArcGIS 13.4.0.55405
CoastalDefenseStructure_z
0.000000
41.498700
1
-70.688070
-69.936336
42.069673
41.507511
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
SHAPE
SHAPE
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
LASTEDITOR
Last Editor
String
50
0
0
The user who performed the last update
CoastalStructureType
Coastal Structure Type
String
50
0
0
CoastalStructureMaterial
Coastal Structure Material
String
50
0
0
Town
Town
String
50
0
0
Elevation
Elevation
Double
8
0
0
LASTUPDATE
Last Update Date
Date
8
0
0
The date the feature was last updated in the maintenance database
CoastalDefenseStructure_z
Feature Class
0
Status
Status
String
100
0
0
SHAPE_Length
SHAPE_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
SHAPE_Area
SHAPE_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
File Geodatabase Feature Class
dataset
EPSG
5.3(9.0.0)
0
Simple
FALSE
0
TRUE
FALSE
20250423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