Web services > Wisconsin--Racine County > 2015-2019

2015 Imagery [Wisconsin--Racine County]

Racine County, WI · 2015 Full Details

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Full Details

Title
2015 Imagery [Wisconsin--Racine County]
Description
****Converted to NAD83(2011) by SEWRPC and ProWest & Associates Inc in January of 2019. This data set consists of 6-inch, natural color orthoimages covering the urban area footprint. 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. Orthoimagery combines the image characteristics of a photograph with the geometric qualities of a map. For the 6-inch GSD Ortho image, horizontal positional accuracy was designed not to exceed 3.80 feet NSSDA at the 95% confidence level. This dataset consists of uncompressed, ortho photo tiles formatted as 8-bit, 3-band (RGB), uncompressed, GeoTIFF images with TIF world files. Multi-spectral digital orthophotography was produced at a scale of 1:1200 (1" = 100') with a 6-inch pixel resolution over. The project area includes a 1,000-foot buffer extension beyond the county boundaries. Wisconsin State Plane Coordinate System grid, South Zone, NAD 1927. The MrSID files are color GeoTIFF files merged into compressed files covering larger areas. Each MrSID file for Ozaukee, Racine, Walworth, Washington, and Waukesha Counties covers approximately one U.S. Public Land Survey System survey township (about 36 square miles) This data depicts geographic features on the surface of the earth. This data set was collected to provide an inventory of orthophoto images in the Southeastern Wisconsin Region and to be used for broad regional planning purposes. It was created to provide easily accessible geospatial data which is readily available to enhance the capability of Federal, State, and local emergency responders, as well as plan for homeland security efforts. This data also supports the National Map.
Creator
Racine County, WI
Temporal Coverage
2015
Date Issued
2015-12-01
Rights
None. However, users should be aware that temporal changes may have occurred since this data set was collected and that some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of it's limitations. Quantum Spatial performed a geodetic control survey in support of a digital orthophoto production project. The survey was done using the Global Positioning System (GPS). The quality assurance testing of the aerotriangulation was performed with 9 ground based photo control points. Photo control points have a combined local and network accuracy at 95% confidence of less than or equal to five (5) centimeters horizontally and vertically as determined by the residuals of the network adjustment. DISCLAIMER: Racine County and Pro-West & Associates, Inc., make no representation or warranties, express or implied, with respect to the use or reuse of the data provided herewith, regardless of its format or the means of its transmission. THE DATA IS PROVIDED "AS IS" WITH NO GUARANTEE OR REPRESENTATION ABOUT THE ACCURACY, CURRENCY, SUITABILITY, PERFORMANCE, MERCHANTABILITY, RELIABILITY, OR FITNESS OF THE DATA FOR ANY PARTICULAR PURPOSE. Racine County and Pro-West & Associates, Inc., shall not be liable for any direct, indirect, special, incidental, compensatory or consequential damages or third party claims resulting from the use of this data, even if users have been advised of the possibility of such potential loss or damage. This data may not be used in states that do not allow the exclusion or limitation of incidental or consequential damages.
Access Rights
Public
Format
ArcGIS ImageMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from Racine County GIS Download on 2025-08-24.

Links

Cite and Reference

  • Citation
    Racine County, WI (2015). 2015 Imagery [Wisconsin--Racine County]. . https://data-racinecounty.opendata.arcgis.com/datasets/racinecounty::2015-imagery (web service)
  • BTAA Geoportal Link

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