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Importing LiDAR Data

Importing LiDAR Data. Dan Messerich. UTM Coordinates Universal Transverse Mercator Roots date back to the 1800’s Wasn’t commonly used until WWII Accurate to 1 meter Cylinder shape Used to show most classroom maps. Projections . State Plane Coordinates

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Importing LiDAR Data

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  1. Importing LiDAR Data Dan Messerich

  2. UTM Coordinates • Universal Transverse Mercator • Roots date back to the 1800’s • Wasn’t commonly used until WWII • Accurate to 1 meter • Cylinder shape • Used to show most classroom maps Projections

  3. State Plane Coordinates • Developed in 1930’s for Surveyors and Mappers • Lambert Conformal Conic • Iowa has 2 Zones • Iowa North Zone 1401 • Iowa South Zone 1402 • Runs south of Highway 30 • See Iowa Code 355.17 • http://www.legis.state.ia.us/IACODE/2003/355/17.html Projections

  4. Iowa North Zone 1401 Counties: • Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista, Butler, Calhoun, Carroll, Cerro Gordo, Cherokee, Chickasaw, Clay, Clayton, Crawford, Delaware, Dickinson, Dubuque, Emmet, Fayette, Floyd, Franklin, Greene, Grundy, Hamilton, Hancock, Hardin, Howard, Humboldt, Ida, Jackson, Jones, Kossuth, Linn, Lyon, Marshall, Mitchell, Monona, O'Brien, Osceola, Palo Alto, Plymouth, Pocahontas, Sac, Sioux, Story, Tama, Webster, Winnebago, Winneshiek, Woodbury, Worth, and Wright Iowa State Plane Zones

  5. Iowa South Zone 1402 Counties • Adair, Adams, Appanoose, Audubon, Cass, Cedar, Clarke, Clinton, Dallas, Davis, Decatur, Des Moines, Fremont, Guthrie, Harrison, Henry, Iowa, Jasper, Jefferson, Johnson, Keokuk, Lee, Louisa, Lucas, Madison, Mahaska, Marion, Mills, Monroe, Montgomery, Muscatine, Page, Polk, Pottawattamie, Poweshiek, Ringgold, Scott, Shelby, Taylor, Union, Van Buren, Wapello, Warren, Washington, and Wayne Iowa State Plane Zones

  6. Iowa State Plane Zones

  7. NOAA (National Oceanic Atmospheric Administration) • 1 International foot = 0.3048 meters exactly • I US Survey foot = 1200/3937 meters • 0.3048006090960125017024227…. meters International and US Foot

  8. University of Northern Iowa • http://geotree2.geog.uni.edu/lidar/ GeoTREE – LiDAR Mapping Project

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