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imageryBaseMapsEarthCover/orthoCoastalCascoBay2018 (ImageServer)

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Service Description: The 2018 Casco Bay Orthoimagery dataset consists of orthophotography for the Casco Bay region of Maine. Imagery was collected on June 16 and June 17, 2018 at low tide. The Casco Bay Region covers the shoreline and islands from the westerly shore of Phippsburg to the easterly shore of Cape Elizabeth. The State of Maine DEP requested orthophotos that are untiled (scanline), four band (R, G, B, NIR). GeoTIFF images (with appropriate world file), with 30 cm ground sample distance (GSD) and a 2-foot horizontal spatial accuracy. The raw imagery was acquired using the Intergraph Digital Mapping Camera (DMC) mounted on a fixed wing aircraft at an elevation of approximately 9,500 feet. Digital ortho-rectified images were created from the digital aerial imagery, aerotriangulation results, and a digital elevation model. An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed, thus it combines the image characteristics of a photograph with the geometric qualities of a map. The orthophotography was generated by contractors for the State of Maine DEP in partnership with the Casco Bay Estuary Partnership, the Maine Department of Agriculture, Conservation and Forestry Submerged Lands Program, The Nature Conservancy, and using funds from the Maine Department of Inland Fisheries and Wildlife's State Wildlife Grant program. Geomni, Inc. acquired the raw aerial photographs. Cornerstone Energy Services, Inc. processed the raw imagery to create the orthophotos and verify that quality assurance objectives were met.

Name: imageryBaseMapsEarthCover/orthoCoastalCascoBay2018

Description: The 2018 Casco Bay Orthoimagery dataset consists of orthophotography for the Casco Bay region of Maine. Imagery was collected on June 16 and June 17, 2018 at low tide. The Casco Bay Region covers the shoreline and islands from the westerly shore of Phippsburg to the easterly shore of Cape Elizabeth. The State of Maine DEP requested orthophotos that are untiled (scanline), four band (R, G, B, NIR). GeoTIFF images (with appropriate world file), with 30 cm ground sample distance (GSD) and a 2-foot horizontal spatial accuracy. The raw imagery was acquired using the Intergraph Digital Mapping Camera (DMC) mounted on a fixed wing aircraft at an elevation of approximately 9,500 feet. Digital ortho-rectified images were created from the digital aerial imagery, aerotriangulation results, and a digital elevation model. An orthoimage is remotely sensed image data in which displacement of features in the image caused by terrain relief and sensor orientation have been mathematically removed, thus it combines the image characteristics of a photograph with the geometric qualities of a map. The orthophotography was generated by contractors for the State of Maine DEP in partnership with the Casco Bay Estuary Partnership, the Maine Department of Agriculture, Conservation and Forestry Submerged Lands Program, The Nature Conservancy, and using funds from the Maine Department of Inland Fisheries and Wildlife's State Wildlife Grant program. Geomni, Inc. acquired the raw aerial photographs. Cornerstone Energy Services, Inc. processed the raw imagery to create the orthophotos and verify that quality assurance objectives were met.

Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Time Info: Pixel Size X: 0.30479999999877117

Pixel Size Y: 0.30479999999877117

Band Count: 4

Pixel Type: U8

RasterFunction Infos: {"rasterFunctionInfos": [{ "name": "None", "description": "A No-Op Function.", "help": "" }]}

Mensuration Capabilities: None

Has Histograms: true

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

Max Scale: 0

Copyright Text: MaineDEP, MaineDACF, MaineIFW, Maine GeoLibrary, Casco Bay Estuary Partnership, Nature Conservancy

Service Data Type: esriImageServiceDataTypeProcessed

Min Values: 0, 0, 0, 0

Max Values: 255, 255, 255, 242

Mean Values: 42.84364134901114, 63.175287628803, 62.53052105063573, 82.43850749099155

Standard Deviation Values: 43.198633253530716, 39.450059708933715, 34.86622753251175, 62.168972993508895

Object ID Field: OBJECTID

Fields: Default Mosaic Method: Northwest

Allowed Mosaic Methods: NorthWest,Center,ByAttribute,Nadir,Viewpoint,None

SortField:

SortValue: null

Mosaic Operator: First

Default Compression Quality: 87

Default Resampling Method: Bilinear

Max Record Count: 1000

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: 20

Max Mosaic Image Count: 20

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: 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   Download Rasters   Compute Histograms   Compute Statistics Histograms   Get Samples   Compute Class Statistics   Query Boundary   Compute Pixel Location   Compute Angles   Validate   Project