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Orthophotos Metadata 2011

Orthophotos 2011 - Color

Name(s) Orthophotos, Color; 3-band with NIR 4th band
Flight Date April 2011
Spatial Domain Surrounding Tucson Area: Eastern Pima County  Southern Pinal County, Eastern Cochise County
Format Tiff/Tfw Image File Format 
Feature type raster
Resolution 6 inch, 1 foot resolutions
Horizontal Control Final adjusted results were adjusted to Arizona State Plane Coordinates Central Zone NAD83-92(Harn), NAVD88 in units of International Feet
Source Pima Association of Governments

Orthophotos 2011 - Digital Elevation Models - DEMs

Name(s) DEM- Digital Elevation Models (LiDAR Bare Earth)
Format ASCII Point Files
Control Arizona State Plane Coord. NAD83-92(Harn), NAVD88 in units of International Feet
Accuracy Vertical :15cm RMSE Horizontal: 1" = 100' ASPRS, LiDAR: 3 points per sq meter (Bare Earth)
File Specifications DEMs point files in ASCII .txt format

Orthophotos 2011 - LIDAR Elevation Data

Name(s) LiDAR Point Density: 3 points per sq meter, 3-7 points per sq meter, 7-12 points per square meter
Format LAS format
Control 2011 Ground Control
Accuracy and File Specifications  3-7 points = 9cm RMSE,
7-12 points = 9cm RMSE

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