GEOG 215 - An area of spatial proximity around a point refers

1) An area of spatial proximity around a point refers to which GIS operation?

Question options:

Union

Closed circle

Buffer

Spatial join

2) Which of the following operations would best be used to combine a map of county boundaries into a single map of a state boundary?

Question options:

Identity

Dissolve

Union

Buffer

3) Raster overlay is easier to perform than Vector overlay unless there are large number of attributes involved

Question options:

True

False

4) In line-in-polygon overlay, the output layer contains:

Question options:

Polygon features containing the line features that run through them

Line features dissected by the polygon boundaries and containing the attributes of the polygon features

Polygon features containing the images of the lines, but not the attributes

None of the above

5) Site suitability analysis is used to

Question options:

forecast land use changes into the future.

merge all polygons with a value of "1" together, as well as all polygons with a value of "0" together.

determine which areas are "useful" or "not useful" in spatial analysis.

select which objects fall within a buffer zone around a point.

6) Which of the following is NOT an example of a buffer?

Question options:

Middlesex County, New Jersey

40 miles north and south of Interstate 80

Average value of a house in Youngstown, Ohio

Four towns in any direction from a shopping mall

7) All of the following are common overlay methods EXCEPT

Question options:

exclusive or

identity

symmetrical difference

union

8) In which type of overlay does the new layer show only the common features of the other layers?

Question options:

intersect

identity

union

symmetrical difference

9) Suppose you have four layers of data and you want a new layer that shows everything in all four of those layers. Which type of overlay operation would you use?

Question options:

union

symmetrical difference

intersect

identity

10) Site suitability studies often make use of raster data and analysis.

Question options:

True

False