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IOT > Geographic Information Systems (GIS) > Orthophotography/LiDAR Orthophotography/LiDAR

Orthophotography is an aerial photo which can be used as a map to:

 

 

  • Measure Distance
  • Calculate Area
  • Determine Shapes of Features
  • Calculate Directions
  • Determine GPS Coordinates
  • Perform Change Detection

The state of Indiana has begun a three-year project to provide 1-foot resolution orthophotography and elevation data for the entire state of Indiana. The imagery and elevation data will be used by numerous state agencies, and will be shared with county governments for use in applications such as tax assessment, property management, economic development and flood control analysis.

A south-to-north acquisition will be performed in 2011 to complete approximately 30 of the 92 counties. The remaining counties will be flown in 2012 and 2013. The statewide program will also include new U.S. Geological Survey (USGS) compliant light detection and ranging (LiDAR) elevation data for 82 of the 92 counties.

The project will be divided into three project areas. The center column of the state will be performed in 2011.  The eastern and western columns will be performed in 2012 and 2013.  The order of the eastern and western columns will be determined by county needs.  Buy-ups will impact the final configuration of each of the three columns.

Full program.

Video

Optional LiDAR

As an option, additional project partners including counties, cities/towns, and others may buy-up to collect LiDAR data at an average 1-meter post spacing. Woolpert will produce the optional 1-meter LiDAR data using the above mentioned methodologies.

Optional Digital Orthoimagery

As an option, additional project partners including counties, cities/towns, and others may buy-up to 6-inch or 3-inch pixel resolutions. Woolpert will produce the optional 6-inch orthoimagery using the above mentioned methodologies. For a 3-inch option the orthoimagery will be produced using the above mentioned methodology, except a film based solution may be used in lieu of a digital camera solution. The 6-inch imagery will be delivered using 2,500’ x 2,500’ tiles and the 3-inch imagery will be delivered using 1,250’ X 1,250’ tiles.

For further information:

Jim Sparks
GIO Indiana Office of Technology
317.234.5889
jsparks@iot.in.gov