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CreateMosaicDataset "\\prodat.local\folders\Applications\GISImagery\2022 Certified.gdb" Hamilton_2022 PROJCS["NAD_1983_StatePlane_Indiana_East_FIPS_1301_Feet",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["Transverse_Mercator"],PARAMETER["False_Easting",328083.3333333333],PARAMETER["False_Northing",820208.3333333333],PARAMETER["Central_Meridian",-85.66666666666667],PARAMETER["Scale_Factor",0.9999666666666667],PARAMETER["Latitude_Of_Origin",37.5],UNIT["Foot_US",0.3048006096012192]] 3 # "Natural color" "Red 630 690;Green 530 570;Blue 440 510"
AddRastersToMosaicDataset "\\prodat.local\folders\Applications\GISImagery\2022 Certified.gdb\Hamilton_2022" "Raster Dataset" '\\prodat.local\folders\Applications\GISImagery\2022 Cert tif' UPDATE_CELL_SIZES UPDATE_BOUNDARY NO_OVERVIEWS # 0 1500 # # SUBFOLDERS "Allow duplicates" NO_PYRAMIDS NO_STATISTICS NO_THUMBNAILS # NO_FORCE_SPATIAL_REFERENCE NO_STATISTICS # NO_PIXEL_CACHE C:\Users\jkeene\AppData\Local\ESRI\rasterproxies\Hamilton_2022
Hamilton_2022
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C:\Users\jkeene\AppData\Local\ESRI\rasterproxies\Hamilton_2022
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20221107
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20221107
10300400
Joan Keene
Hamilton County, IN
GIS Director
317-776-8254
One Hamilton County Square, Suite 206
Noblesville
IN
46060-2234
U.S.
joan.keene@hamiltoncounty.in.gov
2022
ArcGIS Metadata
1.0
Joan Keene
Hamilton County, IN
GIS Director
317-776-8254
One Hamilton County Square, Suite 206
Noblesville
IN
46060-2234
U.S.
joan.keene@hamiltoncounty.in.gov
Contact Coastal Engineering Consultants, Inc.
Contact Hamilton County, IN
TIFF
Hamilton_2022
2022
1.0
Hamilton County, Indiana
Hamilton County, IN
Hamilton County, IN
raster digital data
Hamilton County, IN - Orthoimages
2022
This metadata describes the digital ortho imagery covering the selected area of Hamilton County, IN. This 1"=100' scale imagery is comprised of 4-band (RGBIR) color orthoimagery with a GSD (Ground Sample Distance) of 0.25'. Imagery was collected with a Vexcel UltraCam Eagle (UCEagle) large format aerial sensor and processed with Inpho (Trimble) Photogrammetry software. Imagery is projected in the State Plane Coordinate System Indiana East. Horizontal datum is NAD83 2011. Vertical datum is NAVD88. Units of measure are U.S. Feet.
A digital orthoimage is a geometrically accurate image record of landscape conditions at the time of the corresponding aerial imagery. As such, the digital orthoimage is useful for a variety of applications, such as environmental monitoring, facility engineering/maintenance, city/county planning, property line review, etc. The digital orthoimage can be used alone or as a raster basemap for corresponding vector line mapping.
Joan Keene
Hamilton County, IN
GIS Director
317-776-8254
One Hamilton County Square, Suite 206
Noblesville
IN
46060-2234
U.S.
joan.keene@hamiltoncounty.in.gov
Indiana
Hamilton County
Noblesville
Carmel
Westfield
Fishers
Morse Reservoir
Geist Reservoir
White River
UltraCam Eagle
Digital aerial image
Orthoimage
4-band (RGBIR)
Aerial Imagery
UltraCam Eagle
Digital aerial image
Orthoimage
4-band (RGBIR)
Indiana
Hamilton County
Noblesville
Carmel
Westfield
Fishers
Morse Reservoir
Geist Reservoir
White River
The orthoimages were collected and produced under the supervision of a licensed Professional Surveyor and Mapper. Use of this data requires a general understanding of GIS and spatial data.
Hamilton County provides the geographic data "as is". This organization makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. Also, this organization makes no warranty, either expressed or implied, regarding the condition of the product or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these files have been processed successfully on computers at this organization, no warranty is made by this organization regarding the use of these data on any other system, nor does the fact of distribution constitute or imply such a warranty.
Contact Hamilton County
true
-86.264210
-85.842553
40.234718
39.917635
Ground condition
2022-03-14
2022-03-16
2022-03-20
The bounding coordinates in this metadata file represent the bounding coordinates for all image tiles in the selected project area of Hamilton County, IN as a whole, not an individual tile.
Microsoft Windows 10 Version 10.0 (Build 19044) ; Esri ArcGIS 12.9.3.32739
1
-86.264210
-85.842553
40.234718
39.917635
Compliance with the accuracy standard was ensured by the surveying of twenty (20) GPS ground control points. The following checks were performed:
1. The ground control and airborne GPS/INS data stream were validated through an aerotriangulation bundle adjustment using Inpho Systems (Trimble) software. The residuals of the adjustment met the required standards with the results fully outlined in an AT report.
2. Digital orthoimagery was validated through a visual inspection of control points, edge matching, and general image quality.
Orthoimages are visually inspected for completeness to ensure that no gaps or image misplacements exist within and between adjacent images. These images are derived by mosaicking multiple images to ensure complete coverage of the project area.
The following methods were used to ensure image quality:
1. Use of twenty (20) photo identifiable ground control during image acquisition.
2. Use of GPS/INS during image acquisition.
3. Checking of controls against ortho product.
4. Post ortho accuracy approval checks for overall image quality (tone, color balance, etc.).
At selected locations throughout the site, easily image identifiable points are selected and surveyed to augment the targeted control.
2022
None
CONT
New digital, color aerial imagery of the site is acquired using the UCEagle camera. Airborne GPS/IMU data is recorded along with the imagery
2022
None
IMG
Imagery and GPS/IMU data is downloaded from disc on the plane to disc on the ground. GPS/IMU mission data is processed together with simultaneously collected ground-based GPS base station data in forward and reverse directions. This precisely determines the aerial sensor's position and orientation in the terrain (project) coordinate system and allows for correct orientation of the imagery.
2022
IMG
GPS
Using the processed GPS/IMU data and correctly oriented imagery, a bundle adjustment is computed (AT) in Inpho Match-AT software.
2022
IMG, CONT, GPS
AT
Orthorectified imagery is produced using Inpho Systems (Trimble) Orthomaster software. The inputs are the digital aerial images, DEM and the aerotriangulation solution. The output images are overlapping orthorectified images that have yet to be mosaiced into seamless tiled orthos.
2022
IMG, DEM, AT
OIMG1
Orthorectified imagery is mosaiced, locally color-balanced and cut to the tile definition boundaries using Inpho OrthoVista software. The tiled orthos are checked for accuracy against the surveyed ground control before further image editing.
2022
OIMG1, CONT, TLDEF
OIMG2
Tiled orthoimages then go through a rigorous manual QC process to evaluate for remaining hotspots (sun reflectance over water), tone quality, color balance and the feathering area between flightlines. Any imperfections at this point are manually edited. If necessary, the tiled images are then converted to required format. All images are either recorded on DVD, transferred to HD, or posted on FTP for client access.
2022
OIMG2
OIMG2
The aerial imagery was captured with a Vexcel UltraCam Eagle (UCEagle) large format digital aerial camera. The UCEagle uses an image frame based method of data collection with multiple, precisely registered CCDs collecting nadir oriented images along planned flight lines. Each CCD array collects data in one of the pan, red, green, blue or NIR spectral bands. This results in one image per frame CCD. Simultaneously with image capture, position and orientation information is collected with a Novatel SPAN GPS/INS system. The aerial images and GPS/INS data are post processed on the ground to produce color, color infrared or black and white digital images used for softcopy aerotriangulation, DEM generation, mapping and orthoimage production. Aerotriangulation refines the exterior orientation parameters (X, Y, Z, Omega, Phi, Kappa) of the recorded GPS/INS orientations.
600
Aerial imagery
IMG
1.0
Kucera International Inc.
None
None
raster digital data
Ground condition
2022-03-14
2022-03-16
2022-03-20
Image identifiable ground control were used to create a digital control file and control report as well as QC check of ortho accuracy. Predefined and surveyed points visible in the imagery and within the county are selected. These points along with their precise coordinates are used in the aerotriangulation (AT) process and to check the horizontal accuracy of the resulting orthoimages. Additional surveyed points are selected and held aside as independent check points for the orthoimage accuracy assessment.
Ground control
CONT
1.0
Steve Wood
None
None
Tabular digital data
Ground condition
2022
An existing DEM was updated; 2019 Hamilton County. The DEM is used in the image orthorectification process.
Digital elevation model
DEM
2022
1.0
Kucera International Inc.
Unknown
Unknown
Raster digital data
Ground condition
2022
The tile definition is used to cut orthorectified imagery into manageable, usable images. Each tile is 1250' X 1250'.
Tile definition
TLDEF
1.0
Kucera International Inc.
Unknown
Unknown
Vector digital data
Ground condition
2022
This first level of orthorectified images are the product of using the AT solution and the DEM in Inpho Orthomaster software. These large images still overlap with adjacent images. They have yet to be mosaiced into seamless tiled orthos.
600
Orthorectified imagery
OIMG1
1.0
Kucera International Inc.
None
None
raster digital data
Ground condition
2022
The tiled orthoimage is the result of mosaicking orthorectified imagery with Inpho Systems Orthovista software and using the tile definition to cut into seamless orthoimages. Orthovista merges all the input orthoimages and creates seamless color balanced image tiles based on the tile definition bounds.
600
Tiled Orthoimage
OIMG2
1.0
Kucera International Inc.
None
None
raster digital data
Ground condition
2022
Color orthoimages are comprised of pixels. Each pixel is assigned a value of 0 to 255. That number will refer to a color look-up table which contains red, green and blue (RGB) values, each from 0 to 255, for that pixel within the image.
The four UCEagle color bands record data in the following manner: Band 1 (blue); Band 2 (green); Band 3 (red); Band 4 (NIR).
EPSG
6.3(9.0.0)
2
1
0
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278750.000163 1816250.000027
278750.000163 1701250.000027
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470000
0.250000
460000
0.250000
Red
8
Green
8
Blue
8