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Service Description: 2006 3" pixel resolution orthoimagery of the city of Portland ME. Provided by the Maine Office of GIS and the Maine GeoLibrary Board. Portland 2006 3" orthoimagery - As the prime contractor, Bradstreet Consultants, Inc. used the aerial photography flown in one session on April 26th, 2006, by Richard Crouse & Associates, Inc. of Frederick, MD who acquired approximately 1335 photos @ 1"=600' with airborne GPS using a Wild RC-30 (#13261) aerial camera. Bradstreet Consultants, Inc. painted and repainted ground targets for photo survey control points (~200) to support full analytical aerotriangulation. The aerotriangulation solution was used to set up each stereopair of photos for orthorectification and DTM compilation. The ortho imagery was created by scanning (14 microns (um) per pixel or 1815 dpi) the original 1"=600' scale film and employing a digital terrain model (DTM) from updating some town's original DTM and some town's from scratch using the 1"=600' scale negatives or diapositives using both analytical and softcopy (digital) stereoplotter in the Kork KDMS format.
imageryBaseMapsEarthCover/orthoMunicipalPortland2006
Description: 2006 3" pixel resolution orthoimagery of the city of Portland ME. Provided by the Maine Office of GIS and the Maine GeoLibrary Board. Portland 2006 3" orthoimagery - As the prime contractor, Bradstreet Consultants, Inc. used the aerial photography flown in one session on April 26th, 2006, by Richard Crouse & Associates, Inc. of Frederick, MD who acquired approximately 1335 photos @ 1"=600' with airborne GPS using a Wild RC-30 (#13261) aerial camera. Bradstreet Consultants, Inc. painted and repainted ground targets for photo survey control points (~200) to support full analytical aerotriangulation. The aerotriangulation solution was used to set up each stereopair of photos for orthorectification and DTM compilation. The ortho imagery was created by scanning (14 microns (um) per pixel or 1815 dpi) the original 1"=600' scale film and employing a digital terrain model (DTM) from updating some town's original DTM and some town's from scratch using the 1"=600' scale negatives or diapositives using both analytical and softcopy (digital) stereoplotter in the Kork KDMS format.
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Extent:
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YMin: 88392.16250000012
XMax: 906477.0999999994
YMax: 99974.56249999983
Spatial Reference: 26984
(26984)
VCSWkid(5703)
LatestVCSWkid(5703)
Initial Extent:
XMin: 884531.35
YMin: 88392.16250000012
XMax: 906477.0999999994
YMax: 99974.56249999983
Spatial Reference: 26984
(26984)
VCSWkid(5703)
LatestVCSWkid(5703)
Full Extent:
XMin: 884531.35
YMin: 88392.16250000012
XMax: 906477.0999999994
YMax: 99974.56249999983
Spatial Reference: 26984
(26984)
VCSWkid(5703)
LatestVCSWkid(5703)
Time Info:
Start Time Field: Date
End Time Field: Date
Time Extent:
[2006/04/26 00:00:00 UTC, 2006/04/26 00:00:00 UTC]
Time Reference:
N/A
Pixel Size X: 0.07499999999999801
Pixel Size Y: 0.07499999999999808
Band Count: 3
Pixel Type: U8
RasterFunction Infos: {"rasterFunctionInfos": [{
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Mensuration Capabilities: None
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
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Max Scale: 0
Copyright Text: Maine GeoLibrary
Service Data Type: esriImageServiceDataTypeRGB
Min Values: 0, 0, 0
Max Values: 250, 252, 252
Mean Values: 109.57998048410518, 114.7092316656955, 101.9945683842504
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Default Mosaic Method: Northwest
Allowed Mosaic Methods: NorthWest,Center,ByAttribute,Nadir,Viewpoint,None
SortField:
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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:
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Description: Supports all ArcGIS Raster Datasets
Help:
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Edit Fields Info: null
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Child Resources:
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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