GIS Quiz 2 (Chapters 3–4) – Study Guide, Practice Questions & Revision Notes
Why might it be difficult to select control points when georeferencing a scanned historical map
to a modern spatial dataset of the same area? - ANS ✔✔There are no common objects because
the area has changed so much.
A county planner is trying to add a scanned historical map in a GIS. Why doesn't it line up with
the existing road network and parcel layers? - ANS ✔✔The scanned map did not have a spatial
reference.
High-tech "treasure hunting" that is assisted by GPS is known as _____. - ANS ✔✔geocaching
How is a geocoin tracked? - ANS ✔✔The geocoin's unique ID number and geocache location are
logged online.
What component of GPS includes the series of ground stations that help maintain GPS? - ANS
✔✔control segment
What is the encrypted version of the P code? - ANS ✔✔Y code
Which of these is designed to operate in Japan? - ANS ✔✔QZSS
In addition to "georeferencing," what other terms are used to refer to this process? Select all
that apply. - ANS ✔✔- geometric transformation
- registration
- image-to-map rectification
Which one of these BEST describes what the free MapTiler app does? - ANS ✔✔georeferences a
graphic or PDF map of an area
Why might it be difficult to select control points when georeferencing a scanned historical map
to a modern spatial dataset of the same area? - ANS ✔✔There are no common objects because
the area has changed so much.
A county planner is trying to add a scanned historical map in a GIS. Why doesn't it line up with
the existing road network and parcel layers? - ANS ✔✔The scanned map did not have a spatial
reference.
High-tech "treasure hunting" that is assisted by GPS is known as _____. - ANS ✔✔geocaching
How is a geocoin tracked? - ANS ✔✔The geocoin's unique ID number and geocache location are
logged online.
What component of GPS includes the series of ground stations that help maintain GPS? - ANS
✔✔control segment
What is the encrypted version of the P code? - ANS ✔✔Y code
Which of these is designed to operate in Japan? - ANS ✔✔QZSS
In addition to "georeferencing," what other terms are used to refer to this process? Select all
that apply. - ANS ✔✔- geometric transformation
- registration
- image-to-map rectification
Which one of these BEST describes what the free MapTiler app does? - ANS ✔✔georeferences a
graphic or PDF map of an area
