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ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' GISRAS1_CVT_RL GRANT AS_IS
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ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' GISRAS1_SDE_RL GRANT GRANT
ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' GISRAS1_USER_RL GRANT AS_IS
ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' GISRAS1_CVT_RL GRANT AS_IS
ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' SDE GRANT AS_IS
ChangePrivileges 'Database Connections/OC@5151 gisras1 oakgisdb01.sde\GISRAS1.OC.INTENSITY' GISRAS1_COUNTY_RL GRANT AS_IS
CopyRaster D:\DBConnections103\DEV_QA_DBConnections\QAGISPublishing_gisras1_ro.sde\GISRAS1.OC.INTENSITY D:\Intensity.tif # # 256 NONE NONE # NONE NONE TIFF NONE
Intensity2008.tif
13299996.560000
13475004.239964
334996.239999
515005.920001
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file://\\gisfs1q\Orthos\Orthos_2010\MiscImages\Intensity2008.tif
Local Area Network
002
Projected
GCS_North_American_1983
Linear Unit: Foot (0.304800)
NAD_1983_StatePlane_Michigan_South_FIPS_2113_Feet_Intl
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14065700
Josh Nimetz
Sanborn Map Company, Inc.
Production Manager - LiDAR Services
(719) 264-5513
(719) 528-5093
1935 Jamboree Drive Suite 100
Colorado Springs
CO
80920
US
jnimetz@sanborn.com
8:00 A.M. - 5:00 P.M. MST
20090826
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
9:00 a.m. to 4:00 p.m.
Varies by data type and agent.
Contact Erick Phillips of the One Stop Shop by phone.
24 hrs.
Shapefiles, .tiff and MrSID
Offline data
unavailable
Raster Dataset
EnterpriseIntensity2008ImageService
Oakland County
Sanborn Map Company, Inc.
SDE raster digital data
This metadata supports the intensity raster product derived from the 2008 LiDAR data set. The average intensity value (range 0-255) within each raster cell is calculated and assigned as the pixel value. The resultant rasters are 1-byte, single-band with a pixel size of 1 meter (3.28 ft). Each raster was clipped to the LiDAR production tile index with a 1-pixel over-edge. LIDAR data is remotely sensed high-resolution elevation data collected by an airborne collection platform. Using a combination of laser range finding, GPS positioning and inertial measurement technologies; LIDAR instruments are able to make highly detailed Digital Elevation Models (DEM) of the earth's terrain, man-made structures and vegetation. This data was collected at a resolution to aid in flood plain analysis and mapping.
This metadata supports the intensity raster product derived from the 2008 LiDAR data set. The average intensity value (range 0-255) within each raster cell is calculated and assigned as the pixel value. The resultant rasters are 1-byte, single-band with a pixel size of 1 meter (3.28 ft). Each raster was clipped to the LiDAR production tile index with a 1-pixel over-edge. LIDAR data is remotely sensed high-resolution elevation data collected by an airborne collection platform. Using a combination of laser range finding, GPS positioning and inertial measurement technologies; LIDAR instruments are able to make highly detailed Digital Elevation Models (DEM) of the earth's terrain, man-made structures and vegetation. This data was collected at a resolution to aid in flood plain analysis and mapping.
Anita Campbell
Oakland County Application Services
GIS Data Services Supervisor
248.858.2388
248.452.9128
1200 N Telegraph Rd, Bldg 49W
Pontiac
MI
48341
US
campbella@oakgov.com
8:30 a.m. to 5:00 p.m.
Oakland County
Michigan
US
Topography
Intensity
Digital Elevation Model
LAS
Elevation
Surface Model
LiDAR
DEM
TBD
Topography
Intensity
Digital Elevation Model
LAS
Oakland County
Michigan
Elevation
Surface Model
LiDAR
US
DEM
http://www.oakgov.com/it/gis/Documents/EnhancedAccessPolicy.pdf
http://www.oakgov.com/it/gis/Documents/GISDataPolicies.pdf
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850
-83.712499
-83.05405
42.411776
42.911294
ground condition
2008-04-22
2008-04-30
These data represent the individual surface returns created by laser energy from the LiDAR sensor reflected from the first surface encountered by the laser pulse. Some energy may continue beyond this initial surface to be reflected by a subsequent surface as represented by the Last Return data. Intensity information is captured from the Reflective Surface pulse and indicates the relative energy returned to the sensor as compared to the energy transmitted. The Intensity image is not calibrated or normalized but indicates differences in energy absorption due to the interaction of the surface materials with laser energy at the wavelength transmitted by the sensor. Points are classified as water, bare ground or not bare ground to support creation of a bare earth model from the data.
1
-83.712499
-83.054050
42.911294
42.411776
All LIDAR data are validated using commercial GIS software to ensure proper formatting and loading before delivery. This validation procedure ensures that data on delivery media is in correct physical format and is readable.
LIDAR raster data is visually inspected for completeness to ensure that any gaps between flight lines or loss of signal represents less than 5% of required collection area. LIDAR is self-illuminating and has minimal cloud penetration capability. Water vapor, steam plumes or particulates in smoke may cause reflection of LIDAR signals and loss of elevation information beneath these plumes. Glass structures and roofs may appear transparent to the LIDAR signal and therefore may not register on the reflective surface or if reflected, may cause multi-path ranging errors. Some asphalt formulations have been shown to absorb topographic LIDAR wavelength energy resulting in "pitting" of roof surfaces using this material.
Data collected is at a horzontal accuracy of 1 meter (RMSE) or better.
LiDAR data accuracy determination shall employ the National Standard for Spatial Data Accuracy (NSSDA). Contracted to meet 18.5cm (RMSE) on open bare terrain and 37.0 cm (RMSE) in obscured "vetetative" areas at the 95 percent confidence level for data tested by an independent source of higher accuracy.
LIDAR Ground Point Classification: The classification and quality control (QC) of LiDAR Ground point class is carried out using TerraScan software by Terrasolid Limited of Helsinki, Finland. In the filtering process points are classified as Default (1), Ground (2), Outlier, Noise or Low Point (7), Overlap (12)
2008-07-01
Josh Nimetz
Sanborn Map Company, Inc.
Production Manager - LiDAR Services
(719) 264-5513
(719) 528-5093
1935 Jamboree Drive Suite 100
Colorado Springs
Colorado Springs
80920
US
jnimetz@sanborn.com
8:00 A.M. - 5:00 P.M. MST
Vendor process steps: Airborne GPS Processing: Airborne GPS data was differentially processed and integrated with the post processed IMU data to derive a smoothed best estimate of trajectory (SBET). The SBET was used to reduce the LiDAR slant range measurements to a raw reflective surface for each flight line. The overlap between flight lines was removed to provide a homogeneous coverage, and the coverage was classified to extract a bare earth digital elevation model (DEM). Airborne GPS is differentially processed using the GrafNAV V7.50 software by Waypoint Consulting of Calgary, Alberta, Canada. The PDOP and distance separation is as follows: IMU data is processed using the PosPac V4.2 software by Applanix Corporation of Richmond Hill, Ontario, Canada. The reflective surface is derived using the post processing software by Optech of Toronto, ON Canada. The classification and quality control (QC) of LiDAR data is carried out using TerraScan software by Terrasolid Limited of Helsinki, Finland. Oakland County process steps occurred post delivery: Oakland County appended 1,153 GeoTiff images into a single raster dataset. Compression quality was set to 75 with a JPEG format. Pyramids and statistic were calculated using a script provided by ESRI after the raster dataset was created.
2008-01-01
Anita Campbell
Oakland County Application Services
GIS Data Services Supervisor
248.858.2388
248.452.9128
1200 N Telegraph Rd, Bldg 49W
Pontiac
MI
48341
US
campbella@oakgov.com
8:30 a.m. to 5:00 p.m.
Intensity rasters were created using GeoCue (v. 5.0.18.0) of GeoCue Corporation, Madison AL 35758 USA. The average intensity value (range 0-255) within each raster cell is calculated and assigned as the pixel value. The resultant rasters are 1-byte, single-band with a pixel size of 1 meter (3.28 ft). Each raster was clipped to the LiDAR production tile index with a 1-pixel over-edge.
2008-07-01
Josh Nimetz
Sanborn Map Company, Inc.
Production Manager - LiDAR Services
(719) 264-5513
(719) 528-5093
1935 Jamboree Drive Suite 100
Colorado Springs
CO
80920
US
jnimetz@sanborn.com
8:00 A.M. - 5:00 P.M. MST
Output: LAS Files LIDAR points in 1.1 format
2008-07-01
Josh Nimetz
Sanborn Map Company, Inc.
Production Manager - LiDAR Services
(719) 264-5513
(719) 528-5093
1935 Jamboree Drive Suite 100
Colorado Springs
CO
80920
US
jnimetz@sanborn.com
8:00 A.M. - 5:00 P.M. MST
2
54881
3.280000
53356
3.280000
1
1
0
13299996.560000 334996.239999
13299996.560000 515005.920001
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13475004.239964 334996.239999
13387500.399982 425001.080000
1
0
13299996.560000 334996.239999
13299996.560000 515005.920001
13475004.239964 515005.920001
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dataset
EPSG
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54881
53356
3.280000
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FALSE
JPEG
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pixel codes
SDR
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row and column
3.280000
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Band_1
255.000000
0.000000
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