Drift - Answers Wind pushes aircraft off intentional flight path
Crab - Answers Horizontal displacement of photo from flight line axis
X-tilt - Answers Aircraft rolls on X axis causing wings to tilt away from being parallel to earth
Y-tilt - Answers Aircraft pitches on Y axis causing nose to incline up or down
Digital Elevation Model - Answers Surface model that accurately depicts the shape & form of the earth's
surface
What is LiDAR and what is it used for? - Answers Technology used to create DEM for large scale, high
accuracy mapping
LiDAR uses ___, ____ and ______ - Answers Laser sensor, GPS, INS
Softcopy orthophotography - Answers Software that orients each pixel od imagery to its XYZ positins on
DEM (a scalable map)
Bearing - Answers Angle between line of reference (N/S) amd line measured toward E/W; less than 90
2 fundamental methods of Identifying land area or interests in land - Answers Geographic
representation, written description
geographic representation - Answers Refers to recorded survey lot #
Written description - Answers SE 1/4 of SE 1/2 of section B...
Cadastre - Answers Official register of quantity, value and ownership of real estate used in apportioning
real property taxes for a county
Topographic Survey - Answers Determines locations of natural and artificial features and elevations
recorded on a map
2D portrayal of a 3D world - Answers Topographic survey
Contour - Answers Line connecting points of equal elevation
4 Types of Surveys - Answers Original, retractment, subdivision, route
Original survey - Answers Created using various methods, depending on time and location survey
created
Retractment survey - Answers Relocate/reestablish ild boundary lines from a previous survey
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