Chapter 6
Review Questions
1. A spatial join creates a new feature class.
2. Inside(one feature falls inside of each other or on top of each other) or distance (matches the
destination layer feature to the closest feature in the source layer)
3. Either summarized or simple distance
4. 1
5. The distances reported will be in decimal degrees if the coordinate system isn’t projected which
cannot be easily converted because of the conversion factor changes with latitude. Also, the
results could be invalid. A projection that preserves distance is best, something like UTM.
6. The field will maintain the original table name preceded by the name of the table and an
underscore.
7. Summarized inside
8. Simple distance
9. Simple inside
10. Summarized distance
Mastering the Skills
1.
2.
3.
4.
5.
6.
591
880 feet
FACILITY_N
State Plane and US foot
16,477
Minimum:
907
Maximum:
138,275
Mean: 27,009.137931
7. LITTLE WALNUT CREEK, WILLIAMSON CREEK, WALNUT CREEK
8. BARTON CREEK, COUNTRY CLUB EAST, SLAUGHTER CREEK
Exercises
1. Lake Travis with 209 wells; Eanes Creek is the deepest on average, and Elm Creek is the
shallowest on average
2. 19; 18
3. Zilker Park
4. (feet) Minimum distance: 19; Maximum distance: 15069; mean distance: 1543
5. --6. --7. --8. Jordan Valley; 334.21km
9. PDX - 58; PDX- 1340870; because the original cities population field contains -9999 numbers
10. Willamette NF with 12; Mount Hood NF; multiple parks are intersecting the same lake