2025_Aerial_Photo (MapServer)

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Service Description: Ayres Associates provided Marathon County, Wisconsin, with digital, 4-band orthoimagery services in 2025 as part of WROC. The aerial imagery was collected on April 16, 20th, 26th, May 4th, 6th, and 10th using an UltraCam Eagle 4.1 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 1575 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 Marathon County in 2025 to provide consistent deliverable products and accuracy standards for each of the participating entities.

Map Name: Orthos

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2025 Orthoimagery (0)

Description: Ayres Associates provided Marathon County, Wisconsin, with digital, 4-band orthoimagery services in 2025 as part of WROC. The aerial imagery was collected on April 16, 20th, 26th, May 4th, 6th, and 10th using an UltraCam Eagle 4.1 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 1575 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 Marathon County in 2025 to provide consistent deliverable products and accuracy standards for each of the participating entities.

Service Item Id: ce077553ec6f4685b2d60f2e4ec49c80

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Spatial Reference: 103436 (8150)

Single Fused Map Cache: false

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Units: esriFeet

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

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Supports Dynamic Layers: true

Resampling: false

MaxRecordCount: 2000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 12001

Max Scale: 599

Supports Datum Transformation: true

Child Resources: Info Dynamic Layer

Supported Operations: Export Map Identify QueryLegends QueryDomains Find Return Updates