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Service Description: Imagery acquired with airborne sensors contain camera and terrain related distortions which make the images unsuitable for geospatial analysis as positions within the image may be significantly inaccurate. A digital orthophoto is a georeferenced image prepared from aerial imagery, or other remotely-sensed data in which the displacement within the image due to sensor orientation and terrain relief has been removed. Orthophotos combine the image characteristics of an image with the geometric qualities of a map. Orthoimages show ground features such as roads, buildings, and streams in their proper positions, without the distortion characteristic of unrectified aerial imagery. Digital Orthoimages formatted in quarter quarter quadrangle extents are known as Digital Orthophoto Quarter Quarter Quadrangles, or DOQQQs. Digital Orthoimages produced and used within the Forest Service are developed from imagery acquired through various national and regional image acquisition programs. The resulting orthoimages, also known as orthomaps, can be directly applied in remote sensing, GIS and mapping applications. They serve a variety of purposes, from interim maps to field Standards for Digital Orthophotos references for earth science investigations and analysis. Because of the orthographic property, an orthoimage can be used like a map for measurement of distances, angles, and areas with scale being constant everywhere. Also they can be used as map layers in GIS or other computer based manipulation, overlaying, and analysis. An orthoimage differs from a map in a manner of depiction of detail; on the map only selected detail is shown by conventional symbols, whereas on an orthoimage all details appear just as in original satellite imagery.
Name: r10/KodiakIsland_50cm_2009to11_RGB
Description: Imagery acquired with airborne sensors contain camera and terrain related distortions which make the images unsuitable for geospatial analysis as positions within the image may be significantly inaccurate. A digital orthophoto is a georeferenced image prepared from aerial imagery, or other remotely-sensed data in which the displacement within the image due to sensor orientation and terrain relief has been removed. Orthophotos combine the image characteristics of an image with the geometric qualities of a map. Orthoimages show ground features such as roads, buildings, and streams in their proper positions, without the distortion characteristic of unrectified aerial imagery. Digital Orthoimages formatted in quarter quarter quadrangle extents are known as Digital Orthophoto Quarter Quarter Quadrangles, or DOQQQs. Digital Orthoimages produced and used within the Forest Service are developed from imagery acquired through various national and regional image acquisition programs. The resulting orthoimages, also known as orthomaps, can be directly applied in remote sensing, GIS and mapping applications. They serve a variety of purposes, from interim maps to field Standards for Digital Orthophotos references for earth science investigations and analysis. Because of the orthographic property, an orthoimage can be used like a map for measurement of distances, angles, and areas with scale being constant everywhere. Also they can be used as map layers in GIS or other computer based manipulation, overlaying, and analysis. An orthoimage differs from a map in a manner of depiction of detail; on the map only selected detail is shown by conventional symbols, whereas on an orthoimage all details appear just as in original satellite imagery.
Single Fused Map Cache: false
Extent:
XMin: -1.72389843769E7
YMin: 7630075.530000001
XMax: -1.68900408769E7
YMax: 8127923.530000001
Spatial Reference: 102100
(3857)
Initial Extent:
XMin: -1.72389843769E7
YMin: 7630075.530000001
XMax: -1.68900408769E7
YMax: 8127923.530000001
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.72389843769E7
YMin: 7630075.530000001
XMax: -1.68900408769E7
YMax: 8127923.530000001
Spatial Reference: 102100
(3857)
Pixel Size X: 0.5
Pixel Size Y: 0.5
Band Count: 3
Pixel Type: U8
RasterFunction Infos: {"rasterFunctionInfos": [{
"name": "None",
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"help": ""
}]}
Mensuration Capabilities: Basic
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text:
Service Data Type: esriImageServiceDataTypeRGB
Min Values: 0, 0, 0
Max Values: 254, 254, 254
Mean Values: 85.4486412491641, 96.92348770408482, 96.84543310335076
Standard Deviation Values: 39.47938984194024, 35.90701637296052, 30.995655040198415
Object ID Field: OBJECTID
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Default Mosaic Method: Northwest
Allowed Mosaic Methods: NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None
SortField:
SortValue: null
Mosaic Operator: Min
Default Compression Quality: 75
Default Resampling Method: Bilinear
Max Record Count: 1000
Max Image Height: 15000
Max Image Width: 15000
Max Download Image Count: 20
Max Mosaic Image Count: 50
Allow Raster Function: true
Allow Copy: true
Allow Analysis: true
Allow Compute TiePoints: false
Supports Statistics: true
Supports Advanced Queries: true
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
Query
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics
Query Boundary
Compute Pixel Location
Compute Angles
Validate
Project