20201230
11440500
1.0
FALSE
CreateMosaicDataset \\gisfs1q\Orthos\Orthos_2006BW\Orthos2006BW.gdb Mosaic2006 "PROJCS['NAD_1983_StatePlane_Michigan_South_FIPS_2113_Feet_Intl',GEOGCS['GCS_North_American_1983',DATUM['D_North_American_1983',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]],PROJECTION['Lambert_Conformal_Conic'],PARAMETER['False_Easting',13123359.58005249],PARAMETER['False_Northing',0.0],PARAMETER['Central_Meridian',-84.36666666666666],PARAMETER['Standard_Parallel_1',42.1],PARAMETER['Standard_Parallel_2',43.66666666666666],PARAMETER['Latitude_Of_Origin',41.5],UNIT['Foot',0.3048]];-107138600 -97193800 3048;-100000 10000;-100000 10000;3.28083989501312E-03;0.001;0.001;IsHighPrecision" # # NONE #
DefineOverviews \\gisfs1q\Orthos\Orthos_2006BW\Orthos2006BW.gdb\Mosaic2006 \\gisfs1q\Orthos\Orthos_2006BW\Orthos2006BW.Overviews\Mosaic2006.Overviews # "13303856 339078 13470719 509611.500328084" # # 5120 5120 3 NO_FORCE_OVERVIEW_TILES BILINEAR JPEG 80
BuildOverviews \\gisfs1q\Orthos\Orthos_2006BW\Orthos2006BW.gdb\Mosaic2006 # DEFINE_MISSING_TILES GENERATE_OVERVIEWS GENERATE_MISSING_IMAGES REGENERATE_STALE_IMAGES
Mosaic2006
file://\\gisfs1p\Orthos\Orthos_2006BW\Orthos2006BW.gdb
Local Area Network
13303855.999896
13470718.998899
339078.000907
509611.499888
1
Projected
GCS_North_American_1983
Linear Unit: Foot (0.304800)
NAD_1983_StatePlane_Michigan_South_FIPS_2113_Feet_Intl
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Name,MinPS,MaxPS,LowPS,HighPS,Tag,GroupName,ProductName,CenterX,CenterY,ZOrder,Shape_Length,Shape_Area,Year
54675.1092654906
0.499999997013062
1093.50218530981
20210312
15042300
20210312
15042300
Anita Campbell
Oakland County Application Services
GIS Data Services Supervisor
(248) 858-2388
(248) 452-9128
1200 N. Telegraph Rd., 49W
Pontiac
Michigan
48341
US
campbella@oakgov.com
ArcGIS Metadata
1.0
Erick Phillips
Oakland County One Stop Shop
Supervisor
248.858.4070
248.858.1080
2100 Pontiac Lake Rd. Bldg. 41W
Waterford
MI
48328-0412
US
phillipse@oakgov.com
9 a.m. to 4 p.m.
Varies by data type and agent.
Contact Erick Phillips of the One Stop Shop by phone.
24 hrs.
Shapefiles, .tiff and MrSID
none
Ayres Associates
raster digital data
EnterpriseOrthoBW2006ImageService
This imagery is a black and white countywide dataset of Oakland County, Michigan. The imagery was collected in 4 flying days: 04/10/06, 04/11/06, 04/14/06, and 04/15/06 using a Z/I Imaging Digital Mapping Camera (DMC) digital aerial camera system. The flight altitude for the project was 4600 feet above mean terrain with a ground sample distance of .5 feet. Ayres Associates completed an aerotriangulation (AT) solution using Air Borne GPS data, surveyed ground control points, and IMU data. A fully analytical simultaneous least squares adjustment was completed for the entire block of aerial photography using Intergraph ISAT software. All AT processing was done on a digital photogrammetric workstation and the resulting AT solution is suitable for rectification of the aerial photography and supports ASPRS Class 1 mapping standards.
This imagery is a black and white countywide dataset of Oakland County, Michigan. The imagery was collected in 4 flying days: 04/10/06, 04/11/06, 04/14/06, and 04/15/06 using a Z/I Imaging Digital Mapping Camera (DMC) digital aerial camera system. The flight altitude for the project was 4600 feet above mean terrain with a ground sample distance of .5 feet. Ayres Associates completed an aerotriangulation (AT) solution using Air Borne GPS data, surveyed ground control points, and IMU data. A fully analytical simultaneous least squares adjustment was completed for the entire block of aerial photography using Intergraph ISAT software. All AT processing was done on a digital photogrammetric workstation and the resulting AT solution is suitable for rectification of the aerial photography and supports ASPRS Class 1 mapping standards.
Anita Campbell
Oakland County Application Services
GIS Data Services Supervisor
(248) 858-2388
(248) 452-9128
1200 N. Telegraph Road, Building 49W
Pontiac
Michigan
48341
US
campbella@oakgov.com
digital orthophotography
DOP
imageryBaseMapsEarthCover
digital orthoimagery
digital orthophotography
DOP
imageryBaseMapsEarthCover
digital orthoimagery
http://www.oakgov.com/it/gis/Documents/EnhancedAccessPolicy.pdf
http://www.oakgov.com/it/gis/Documents/GISDataPolicies.pdf
-83.698303125
-83.073144558
42.439329494
42.876925348
Ground Condition at the time of imagery collection.
Oakland County provided all available County DTM data. Prior to digital orthoimagery production, the DTM data was reviewed and formatted for Ayres Associates systems. The existing DTM for the project required very little modification. In areas that did require modification a combination of stereo compilation and autocorrelation was used to update the DTM data. Autocorrelation is a process of comparing pixel values between overlapping aerial photos and assigning horizontal and vertical values to each pixel. Using an automated matching software Ayres Associates generated a grid of points (digital elevation model) suitable for ortho rectification. Stereo compilation was accomplished on digital photogrammetric workstations. Mapping technicians viewed imagery in a three dimensional environment. Photogrammetric software was used to collect terrain features as mass vertical points or breaklines on surface features. The resulting digital terrain information is suitable for ortho rectification. Using Intergraph digital orthophotography software, Ayres Associates rectified the imagery to the DTM surface. Bilinear re-sampling was used for all orthoimagery. To minimize building lean, achieve consistent tone across the project area, and to address the overlap between mosaics, all the imagery in the block was processed. Image mosaicking was accomplished by a combination of automated and manual methods. Manual image editing was completed to correct warped bridges and other rectification and mosiacking related issues. Finally tonal balancing was performed on individual tiles, as well as the project as a whole, eliminating the flight line effect. Orthophotography was delivered in 2500' x 2500' tiles in GeoTIFF format with a world file. In addition to the GeoTIFF files, Lizard tech MrSID files were delivered. The MrSID mosaics were delivered by Township with a compression ratio of 15:1. In addition, a countywide mosaic was delivered comprised of 2' pixels and a compression ratio of 30:1.
Version 6.2 (Build 9200) ; Esri ArcGIS 10.7.1.11595
1
-83.698086
-83.070353
42.896409
42.423156
Map data compiled to meet 1"=100' scale American Society for Photogrammetry and Remote Sensing Accuracy for Class 1 Mapping
Photography, Airborne GPS, and Inertial Measurement unit data captured 04/10/06; 04/11/06; 4/14/06; and 4/15/06. Analytical Aerotriangulation solution generated using softcopy aerotriangulation techniques. Photography rectified to the existing Oakland County digital terrain model. Seamlines created using automated and manual techniques. Orthophotos mosaiced and edited for tone balancing. Orthophotos edited to remove artifacts (dust, scratches, etc.), warped buildings and other standard issues. Orthophotos tiled to project specifications.
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13303855.999896 339078.000907
13303855.999896 509611.499888
13470718.998899 509611.499888
13470718.998899 339078.000907
13387287.499398 424344.750398
EPSG
5.3(9.0.0)
Band_1
255.000000
26.000000
8
20210312