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The 2021 orthophography was collected by Nearmap in March and April 2021. The ground sampling distance (imagery resolution) is 3 inch. The Horizontal accuracy is 75 cm RMSEr. The original March capture did not include the entire City limits and was missing a portion of west Roseville. A subsequent April capture was merged with the March imagery and there is a visible vertical (North - South) seam visible in a few Westpark Phase IV subdivisions. The combined imagery was captured between March 13 and April 16, 2021. |