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snippet: This project established digital, 4-band orthoimagery for the City of Platteville, Wisconsin as part of the Wisconsin Regional Orthoimagery Consortium (WROC). Provided to Grant County GIS from SWWRPC.
summary: This project established digital, 4-band orthoimagery for the City of Platteville, Wisconsin as part of the Wisconsin Regional Orthoimagery Consortium (WROC). Provided to Grant County GIS from SWWRPC.
accessInformation: Ayers Associates, City of Platteville
_ssl: true
thumbnail:
maxScale: 2253.2953239623016
typeKeywords: ["ArcGIS Server","Data","Image Service","Service"]
description: Ayres Associates provided the City of Platteville, Wisconsin, with digital, 4-band orthoimagery services in 2025 as part of WROC. The aerial imagery was collected on March 9th using a Vexcel UltraCam Eagle M4 sensor at 7.25 cm GSD mounted in a fixed-wing aircraft. Aerial imagery was collected to support 0.25 foot ground sample distance (GSD) orthoimagery at 1"=50' map scale. The 3-inch pixel orthoimagery was produced to meet or exceed 0.66 foot RMSEH according to ASPRS Positional Accuracy Standards for Digital Geospatial Data 2024. Resultant orthoimagery was rectified to a DEM created from existing lidar. Orthoimagery was delivered in GeoTiff and MrSID tiles and a project-wide MrSID mosaic. The orthoimagery was delivered according to a PLSS quarter section tile schematic. The project area covers approximately 38 square miles. Supplemental Information: The Wisconsin Regional Orthoimagery Consortium (WROC) is a multi-entity group of county members and partners led by regional planning commissions (RPCs) and WROC representatives from Ayres Associates. 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 the City of Platteville in 2025 to provide consistent deliverable products and accuracy standards for each of the participating entities.
licenseInfo: Not to be used for purposes other than those strictly outlined in the 2025 WROC program.
catalogPath:
title: 2025 City of Platteville Ortho 3in
type: Image Service
url: https://gcarcgis.co.grant.wi.gov/server
tags: ["digital","4-band","orthoimagery","3-inch"]
culture: en-US
portalUrl:
name: 2025_City_of_Platteville_Ortho_3in
guid:
minScale: 1153687.2058686984
spatialReference: NAD_1983_2011_WISCRS_Grant_Feet