03 Shellito5e_LabApplicationAnswerSheet_Ch03(1)
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School
CUNY Borough of Manhattan Community College *
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Course
101
Subject
Geography
Date
Dec 6, 2023
Type
Pages
2
Uploaded by AmbassadorEel3046
Geospatial Lab Application 3.1
Name: Muhammad Abu Hanif
Georeferencing an Image
Question 3.1
Just by visual examination of the two maps, what types of transformative operations will have
to be performed to the unreferenced map to make it match the source map?
Answer: Reprojection data means translating the coordinates, map projections, and measurements
from one system (for example SPSC) to another (such as) UTM.
Question 3.2
Why is this a good location for a control point?
Answer: It's a suitable spot for a control station because Wick and Lincoln Avenue connects two
important campus thoroughfares.
Question 3.3
Which locations did you choose for the next two control points, and why?
Answer: Weller House and Kilacwley Center were the two control stations I decided to utilize
since they were simple to locate on the map.
Question 3.4
Why would you want to spread the control point selection across the image instead of clustering
the points together?
Answer: We wouldn't be able to tell the difference between the two structures
.
Question 3.5
Which location did you choose for the fourth control point, and why?
Answer: Since I enjoy reading and the Maag Library is conveniently located on the college
campus, I decided to use it as my primary library.
Question 3.6
Which point has the highest error term, and what is that error value?
Answer: The highest error, 11.8 is in the Weller home.
Question 3.7
Which locations did you choose for the final three control points, and why?
Answer: I chose the Andrew Recreation and Wellness Center, Watson and Tressel Training
Center and Wick House because I wanted to learn about different parts of the campus.
Question 3.8
What are the final error values for each of your seven control points?
Answer: The error values are Watson and Tressel Training Center is 3.70, Weller House 11.8,
Wick House 7.54, Magg Library is 0.16, Andrew Recreations and Wellness Center 0, Kilacwley
Center 0 and Wick and Lincoln Avenues 0.
Question 3.9
How does the map match up with the roads leading into and out of campus? Are there any
locations where the roads don’t match?
How does the interior of campus match up?
Answer:
Question 3.10
How does the map match up with Google Earth Pro? How does showing the georeferenced map
overlaid on Google Earth Pro’s terrain aid in viewing the campus map?
Answer: In Google Earth Pro, it works flawlessly. The placement of the various buildings on the
campus, together with the presence of completely planted trees and signs indicating parking
spaces, is more accurately depicted in the 3D model on Google Earth Pro. Different colors are
used to identify the actual rooftops.
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