Name: Contours Eastern
Display Field: CONTOURINTERVAL
Type: Feature Layer
Geometry Type: esriGeometryPolyline
Description: Sanborn derived this contour dataset from LiDAR data produced by Dewberry as part of a 2012 Virginia FEMA LiDAR project. The class-2 ground points were used to create a terrain surface with approximate point spacing of 2.5' (equal to the average spacing of the LiDAR class 2 ground points.) No thinning was done to the terrain surface. Using ArcGIS 3D Analyst tools, a 2' interval contour polyine feature class was derived from the terrain surface. Resulting contours were thin simplified, using ArcGIS tools, to remove extraneous vertices from the contours, and the contours were diced. This was done to increase efficiency in using the data for subsequesnt users.
Copyright Text: From LIDAR produced by Dewbery as part of a 2012 Virginia FEMA LIDAR project.; Sanborn; and Prince William County Department of Information Technology (DoIT), Geographic Information Systems (GIS) Division
Default Visibility: false
MaxRecordCount: 1000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: false
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: 1.1798377053937718E7
YMin: 6874269.114147067
XMax: 1.1848428163480967E7
YMax: 6957894.230689138
Spatial Reference: 102746
(2283)
Drawing Info:
Renderer:
Simple Renderer:
Symbol: Style: esriSLSSolid
Color: [0, 168, 115, 255]
Width: 1
Label: N/A
Description: N/A
Transparency: 0
Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false
HasZ: true
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
Shape
(
type: esriFieldTypeGeometry, alias: SHAPE
)
-
CONTOURINTERVAL
(
type: esriFieldTypeInteger, alias: CONTOURINTERVAL
, Coded Values:
[1: 1]
, [2: 2]
, [3: 3]
, ...6 more...
)
-
CONTOURTYPE
(
type: esriFieldTypeInteger, alias: CONTOURTYPE
, Coded Values:
[99: Unknown]
, [1: Index Obscured]
, [2: Intermediate Obscured]
, ...6 more...
)
-
CONTOURUNITS
(
type: esriFieldTypeInteger, alias: CONTOURUNITS
, Coded Values:
[1: Feet]
, [2: Meters]
, [99: Unknown]
)
-
Elevation
(
type: esriFieldTypeDouble, alias: Elevation
)
-
UPDATE_DATE
(
type: esriFieldTypeDate, alias: UPDATE_DATE, length: 8
)
-
SOURCE
(
type: esriFieldTypeSmallInteger, alias: SOURCE
, Coded Values:
[10: Photogrammetry, 1987 AS & D]
, [11: Screen Digitized Photogrammetry, 1987 AS & D]
, [15: Edge Match (1998-1999) - Not from Recorded Plat with VCS83 Coordinates]
, ...58 more...
)
Supported Operations:
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Query Attachments
Query Analytic
Generate Renderer
Return Updates
Iteminfo
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Metadata