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Elevation/IL_Pike_DTM_2015 (ImageServer)

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Service Description:

Geographic Extent: Pike and Scott Counties in western Illinois, covering approximately 1,100 total square miles. Dataset Description: The Pike and Scott Counties 2015 LiDAR project called for the planning, acquisition, processing and derivative products of LIDAR data to be collected at an aggregate nominal pulse spacing (NPS) of 0.5 meters. Project specifications are based on the U.S. Geological Survey National Geospatial Program Base LIDAR Specification, Version 1.2. The data was developed based on a horizontal projection/datum of NAD83 (2011), State Plane Coordinate System Illinois West Zone, US survey feet and vertical datum of NAVD1988 (Geoid 12B), US survey feet. LiDAR data was delivered in RAW flight line swath format, processed to create Classified LAS 1.4 Files formatted to 7,998 individual 2,000-foot x 2,000-foot tiles. Corresponding 2-foot intensity image and 2-foot bare earth DEM tiles were created with the same 2,000-foot x 2,000-foot tile schema. Tiles names follow the US National Grid naming schema. Continuous breaklines were produced in Esri shapefile format. A mosaic of the 2-foot bare earth raster DEM tiles was also produced in Esri grid format. Ground Conditions: LiDAR was collected in winter of 2015 while no snow was on the ground and rivers were at or below normal levels. In order to post process the LiDAR data to meet task order specifications, Quantum Spatial established 42 calibration control points in order to calibrate the LIDAR to known ground locations established throughout the project area. The accuracy of the data was checked with 58 NVA points and 47 VVA points (105 total QC checkpoints).



Name: Elevation/IL_Pike_DTM_2015

Description:

Geographic Extent: Pike and Scott Counties in western Illinois, covering approximately 1,100 total square miles. Dataset Description: The Pike and Scott Counties 2015 LiDAR project called for the planning, acquisition, processing and derivative products of LIDAR data to be collected at an aggregate nominal pulse spacing (NPS) of 0.5 meters. Project specifications are based on the U.S. Geological Survey National Geospatial Program Base LIDAR Specification, Version 1.2. The data was developed based on a horizontal projection/datum of NAD83 (2011), State Plane Coordinate System Illinois West Zone, US survey feet and vertical datum of NAVD1988 (Geoid 12B), US survey feet. LiDAR data was delivered in RAW flight line swath format, processed to create Classified LAS 1.4 Files formatted to 7,998 individual 2,000-foot x 2,000-foot tiles. Corresponding 2-foot intensity image and 2-foot bare earth DEM tiles were created with the same 2,000-foot x 2,000-foot tile schema. Tiles names follow the US National Grid naming schema. Continuous breaklines were produced in Esri shapefile format. A mosaic of the 2-foot bare earth raster DEM tiles was also produced in Esri grid format. Ground Conditions: LiDAR was collected in winter of 2015 while no snow was on the ground and rivers were at or below normal levels. In order to post process the LiDAR data to meet task order specifications, Quantum Spatial established 42 calibration control points in order to calibrate the LIDAR to known ground locations established throughout the project area. The accuracy of the data was checked with 58 NVA points and 47 VVA points (105 total QC checkpoints).



Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Pixel Size X: 1.4999892701170006

Pixel Size Y: 1.499989270117

Band Count: 1

Pixel Type: F32

RasterFunction Infos: {"name":"None","description":"","help":""}

Mensuration Capabilities: Basic

Has Histograms: true

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

Max Scale: 0

Copyright Text: USGS, NRCS, Quantum Spatial

Service Data Type: esriImageServiceDataTypeGeneric

Min Values: 272.68389892578125

Max Values: 883.5243530273438

Mean Values: 601.356589346593

Standard Deviation Values: 112.9060918728778

Object ID Field:

Fields: None

Default Mosaic Method: Center

Allowed Mosaic Methods:

SortField:

SortValue: null

Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Bicubic

Max Record Count: null

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: null

Max Mosaic Image Count: null

Allow Raster Function: true

Allow Compute TiePoints: false

Supports Statistics: false

Supports Advanced Queries: false

Use StandardizedQueries: true

Raster Type Infos: Has Raster Attribute Table: false

Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources:   Info   Histograms   Key Properties   Legend   MultiDimensionalInfo   rasterFunctionInfos

Supported Operations:   Export Image   Identify   Measure   Compute Histograms   Compute Statistics Histograms   Get Samples   Compute Class Statistics