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GIS > GGS553 > Flashcards

GGS553 Flashcards

To master information from second half of the semester, in preparation for the final exam

1
Q

What is one of the steps in the 4-step travel demand problem? This is a fill-in-the-blank question.

A

Trip Generator
Trip Description
Modal Split
Traffic Assignment

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2
Q

What is Geo-Politics?

A

The spatial needs of the state

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3
Q

Who were some of the geo-politicial theorists?

A

Freidrich Ratzel-Lebenstraum
Sir Halford John Mackinder
Nicholas Spykman

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4
Q

What was Sir Halford John Mackinder known for in geo-politics?

A

Heartland Theory (1904) - who rules Eastern Europe controls the Heartland, and grows from there to the World level

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5
Q

What was Nicholas Spykman known for?

A

Rimland Theory - access to warm water ports and control of the sea

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6
Q

What was the Domino Theory?

A

If one country falls, so goes the nearby countries, attributed to Eisenhower.

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7
Q

What is Assured Mutual Destruction?

A

Attributed to the Cold War era, the stalemate brings peace, but with regional spheres of influence

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8
Q

What is Redistricting?

A

Process of delineating voting areas based on changes in the location of the population

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9
Q

What elements does redistricting need to include?

A

Districts must be continguous, nearly equal populations, and representative of the overall population

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10
Q

Why is redistricting so hard to do?

A

It is a combinatorially complex problem

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11
Q

Who was gerrymandering named after?

A

Governor Elbridge Gerry of Massachusetts

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12
Q

What does dissolve mean in the GIS context?

A

Aggregate features based on a specific attribute, and remove internal boundaries between polygons

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13
Q

Does ArcReader have any analytical capabilities?

A

No

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14
Q

What is ArcCatalog?

A

A module of ArcGIS to browse for maps, explore data, view/create metadata, manage data sources

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15
Q

What is ArcScene?

A

A module of ArcGIS to do 3D analysis

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16
Q

What is ArcGlobe?

A

A module of ArcGIS to display large data sets

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17
Q

Name some extensions of ArcGIS.

A

Network Analyst, Spatial Analyst, and GeoStatistical Analyst

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18
Q

Should counts, totals, or spatially extensive data be symbolized using choropleth?

A

No

19
Q

When should choropleth be used?

A

Discrete data with well defined enumeration units

20
Q

Name examples of when choropleth might be appropriate.

A

Population per square mile, Population count

21
Q

What is GIS-T?

A

All activities that involved the use of GIS for some aspect of transportation planning, management, or science

22
Q

Name some examples of Transportation Science.

A

Graph Theory and Topology
Travel Demand Modeling
Location/Linear Reference

23
Q

What is Graph Theory and Topology?

A

A branch of mathematics that deals with the properties of connected networks and spaces

24
Q

What is Location Referencing/Linear Referencing?

A

Locating objects in relation to their position along a network, i.e. Milepost referencing

25
Q

Where did Network Analysis start?

A

With TIGER, but TIGER wasn’t designed with network analysis in mind.

26
Q

How can deficiencies in Network Analysis be overcome?

A

Barriers
Turn Tables
A true non-planar transportation network (Curtin was involved here)
Take out the topological data

27
Q

What are some examples of populated network data models?

A

TIGER
StreetMapUSA (Esri), designed for address geocoding
NavTech (for vehicles)
TeleAtlas (route planning/traffic analysis)
GDT (geocoding)

28
Q

What is geocoding?

A

The process of associating quasi-geographic data with a geographic reference database, specifically locating street addresses on a network database

29
Q

How does the address geocoding process work?

A

ArcMap reads a text file of addresses, and parses each element of the address into address parts, then interpolate the position along a street based on address ranges

30
Q

What is Address Imputation?

A

Attributes the address information along the street based on the address ranges for the street

31
Q

TLID?

A

TIGER Line ID

32
Q

FNODE?

A

From Node

33
Q

TNODE?

A

To Node

34
Q

FEDIRP

A

Feature Direction Prefix

35
Q

FENAME

A

Feature Name

36
Q

FETYPE

A

Feature Type

37
Q

FRADDL

A

From Address Left

38
Q

FRADDR

A

From Address Right

39
Q

TOADDL

A

To Address Left

40
Q

TOADDR

A

To Address Right

41
Q

ZIPL

A

Zipcode Left

42
Q

ZIPR

A

Zipcode Right

43
Q

What is a GeoDataBase, and when do you need to use a GeoDataBase?

A

Supports OO modeling, and it represents a container for holding objects, such as images, tables, feature classes, relationships. Needed for Network Analysis.

GIS (1 decks)

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