Oconto_Co_2022.sid
Ayres Associates provided Oconto County, Wisconsin with digital, 4-band orthoimagery services in 2022 as part of WROC. The aerial imagery was collected on April 27th and May 4th using a Leica Geosystems DMC III sensor mounted in a fixed-wing aircraft. Aerial imagery was collected to support 0.5 foot ground sample distance (GSD) orthoimagery to meet ASPRS Class II horizontal accuracy specifications at 1"=100' map scale. The 6-inch pixel orthoimagery that was produced meets or exceeds a horizontal accuracy of 1.4 feet RMSE according to ASPRS Positional Accuracy Standards for Geospatial Data, 2014. Resultant orthoimgaery was rectified to a DEM surface created from existing LiDAR data acquired in 2019. Orthoimagery was delivered in PLSS section GeoTiff and MrSID tiles and a project wide MrSID mosaic. The orthoimagery was delivered according to a section tile schematic. Supplemental Information: The Wisconsin Regional Orthoimagery Consortium (WROC) is a multi-entity group of county members and partners led by representatives from Ayres Associates and the North Central Wisconsin Regional Planning Commission (NCWRPC). The goal of the consortium is to build and sustain a multi-participant program to acquire digital orthoimagery and elevation data throughout Wisconsin. Orthoimagery was collected for Oconto County in 2022 to provide consistent deliverable products and accuacy standards for each of the participating entities.
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