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Service Description: This is a KyFromAbove Phase 2 LiDAR derivative product. Elevation data was collected between 2019 - 2024. To generateda 1st Return Digital Surface Model, laz files were downloaded locally from an S3 Bucket on AWS (https://kyfromabove.s3.us-west-2.amazonaws.com/index.html#elevation/PointCloud/), converted to LAS files using LASZip. During conversion, a filter was set to keep return 1, keep first return only, drop withheld, and drop synthetic.
LAS files were loaded into LP360 as a single layer. Upon export to surface model, geotiffs were "cookie-cut" to tiles. A 100' buffered was applied prior to cutting into tiles to eliminate artifacts (blank corners). Phase 2 Hydro-enforced breaklines were enforced during the export process.
Artifacts:
Most of the processing artifacts occur in the Land Between the Lakes area (i.e., large water bodies). Another area of artifacts includes a few tiles in the Flourspar Area and will be addressed as time permits.
Name: ElevationServices/Ky_DSM_First_Return_2FT_Phase2
Description: This is a KyFromAbove Phase 2 LiDAR derivative product. Elevation data was collected between 2019 - 2024. To generateda 1st Return Digital Surface Model, laz files were downloaded locally from an S3 Bucket on AWS (https://kyfromabove.s3.us-west-2.amazonaws.com/index.html#elevation/PointCloud/), converted to LAS files using LASZip. During conversion, a filter was set to keep return 1, keep first return only, drop withheld, and drop synthetic.
LAS files were loaded into LP360 as a single layer. Upon export to surface model, geotiffs were "cookie-cut" to tiles. A 100' buffered was applied prior to cutting into tiles to eliminate artifacts (blank corners). Phase 2 Hydro-enforced breaklines were enforced during the export process.
Artifacts:
Most of the processing artifacts occur in the Land Between the Lakes area (i.e., large water bodies). Another area of artifacts includes a few tiles in the Flourspar Area and will be addressed as time permits.
Single Fused Map Cache: false
Extent:
XMin: 3797836.9104272574
YMin: 3347707.687833801
XMax: 6019470.910427257
YMax: 4308645.687833801
Spatial Reference: 102763
(3089)
LatestVCSWkid(0)
Initial Extent:
XMin: 3797836.9104272574
YMin: 3347707.687833801
XMax: 6019470.910427257
YMax: 4308645.687833801
Spatial Reference: 102763
(3089)
LatestVCSWkid(0)
Full Extent:
XMin: 3797836.9104272574
YMin: 3347707.687833801
XMax: 6019470.910427257
YMax: 4308645.687833801
Spatial Reference: 102763
(3089)
LatestVCSWkid(0)
Pixel Size X: 2.0
Pixel Size Y: 2.0
Band Count: 1
Pixel Type: U32
RasterFunction Infos: {"rasterFunctionInfos": [{
"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: Ian Horn, Division of Geographic Information.
Service Data Type: esriImageServiceDataTypeElevation
Min Values: 0
Max Values: 4249
Mean Values: 836.5582909144312
Standard Deviation Values: 366.6441842599491
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: Bilinear
Max Record Count: null
Max Image Height: 15000
Max Image Width: 15000
Max Download Image Count: null
Max Mosaic Image Count: null
Allow Raster Function: true
Allow Copy: true
Allow Analysis: true
Allow Compute TiePoints: false
Supports Statistics: false
Supports Advanced Queries: false
Use StandardizedQueries: true
Raster Type Infos:
Name: Raster Dataset
Description: Supports all ArcGIS Raster Datasets
Help:
Has Raster Attribute Table: false
Edit Fields Info: null
Ownership Based AccessControl For Rasters: null
Child Resources:
Info
Histograms
Statistics
Key Properties
Legend
Raster Function Infos
Supported Operations:
Export Image
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics
Query Boundary
Compute Pixel Location
Compute Angles
Validate
Project
Calculate Volume