What tools could we use to calculate the areal extent of a set of features?

convex hull, minimum bounding rectangle, or standard deviational ellipses

When we use the mean center or median center tool we are calculating what?

The centrality of a set of features

You want to determine the area of property parcels that lie within a floodplain - what data and tool would you use

floodplain and parcel data, intersect tool

What is the Federal Geographic Data Committee?

an interagency committee that coordinates national use of geospatial data

All spatial data should at least have what defined ...

a geographical coordinate system

What might you do first if you want to determine if certain features are nearby other features?

calculate distance to determine proximity

Union, Intersect, Spatial join, Identity are all tools that can be used in ...

vector analysis - determining and summarizing what is within an area

What is spatial analysis?

mapping where things are, interpreting spatial relationships & patterns etc

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Quiz 6

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Questions 15

Answers

1
What tools could we use to calculate the areal extent of a set of features?
calculate dispersion, extent or distribution
The ruler tool in the Map ribbon
convex hull, minimum bounding rectangle, or standard deviational ellipses
The statistics tool in the attribute table
2
Which of the following map scales is the smallest scale?
1:100,000
1:250,000
1:24,000
1:1,000,000
3
If a raster dataset has a pixels (or cells) that are 30 by 30 m is size, what area does each cell cover?
90 square meters
9000 square meters
0.9 square kilometers
900 square meters
4
When we use the mean center or median center tool we are calculating what?
The centrality of a set of features
The elongation of a set of features
The compactness of a set of features
The perimeter of a set of features
5
If a raster data set has 20 rows and 30 columns, how many cells does it have?
600
3000
300
6000
6
You want to determine the area of property parcels that lie within a floodplain - what data and tool would you use
floodplain and parcel data, project tool
floodplain and parcel data, append tool
floodplain and parcel data, clip tool
floodplain and parcel data, intersect tool
7
What tool could you use to calculate the directionality of a collection of features?
convex hull
concave hull
linear directional mean
minimum bounding rectangle
8
A raster data set has a pixel size (or cell size) that is 30 m by 30 m - what area does each cell cover?
90 square meters
900 square meters
9000 square meters
0.9 square kilometers
9
What defines the spatial resolution of a raster dataset?
number of cells
number of rows and columns
cell size
projected coordinate system
10
What is the Federal Geographic Data Committee?
a congressional committee that makes rules of how geospatial data are used
an interagency committee that coordinates national use of geospatial data
a federal committee that tells states who to manage geospatial data
a USGS office for writing the rules of how geospatial data are shared
11
All spatial data should at least have what defined ...
a geographical coordinate system
a geographical coordinate system and a projected coordinate system
a name
a geodatabase
12
What might you do first if you want to determine if certain features are nearby other features?
use the ruler tool in the Map ribbon
calculate distance to determine proximity
make a minimum bounding rectangle
draw a standard deviational ellipse
13
Which of the following map scales is the largest scale?
1:250,000
1: 100,000
1: 1,000,000
1:24,000
14
Union, Intersect, Spatial join, Identity are all tools that can be used in ...
raster analysis - determining and summarizing what is within an area
vector analysis - determining and summarizing what is within an area
vector analysis - for redefining vector geometry
raster analysis - for performing mathematical operations
15
What is spatial analysis?
overlaying datasets in a GIS
analysis of objects in outer space
mapping locations
mapping where things are, interpreting spatial relationships & patterns etc

Quiz 6 Flashcards | StudBud