Analog/digital - Intro GIS and Quieries

Question 1

What are attributes?

Answer 1

Provides information about an object

Question 2

What is the purpose of spatial data models?

Answer 2

To create a relationship between theory and reality

Question 3

What is an object model?

Answer 3

Entity model

Question 4

What is space?

Answer 4

A collection of self contained objects and relationships between them

Question 5

What describes objects?

Answer 5

Attributes

Question 6

What is location?

Answer 6

A description of where a thing is

Question 7

Representations are used to implement ___________.

Answer 7

Data models

Question 8

Define vector.

Answer 8

Vectors are point based. A point can exist on its own or be connected to another point to make a line or polygon.

Question 9

GIS uses _______ to show spatial data.

Answer 9

Layers

Question 10

What are some real life examples of point data?

Answer 10

Trees 
Houses 
Bike racks 
Traffic lights 
Fire stations

Question 11

What are some real like examples of line data?

Answer 11

Roads

River systems

Question 12

What are some examples of area data?

Answer 12

Forest inventory polygons
Lakes
Census 
Watersheds 
Parks

Question 13

What is a raster?

Answer 13

Created by pixels and cells. Every pixel has its own value

Question 14

Can raster and vector be combined by GIS?

Answer 14

Yes

Question 15

Objects always have attributes. What is an example of this

Answer 15

A tree is the object, species is the attribute

Question 16

A field model feeders to…

Answer 16

Object attributes

Question 17

What are the ends of lines called in vectors?

Answer 17

Nodes

Question 18

True or false

Lines can be called arcs

Answer 18

True

Question 19

A pixel is a ________.

Answer 19

Square

Question 20

Resolution is displayed as a single value, what does this value mean?

Answer 20

The value represents the side lengths. Not the area

Question 21

What is an outlier.

Answer 21

A piece of information that doesn’t fit the trend

Question 22

What do spatial data queries refer to?

Answer 22

The process I retrieving data from a layer by searching for a specific feature

Question 23

True or false

GIS can be described as a spatial database

Answer 23

True

Question 24

Define topology.

Answer 24

Science and mathematics of relationships (geometry)

Question 25

Topology is associated with _______ representation

Answer 25

Vector

Question 26

Will topology function if lines are not connected on the GIS

Answer 26

No

Question 27

True or false

Topology will snap together fragmented lines

Answer 27

True

Question 28

What are two searches on GIS ?

Answer 28

Select by attributes

Select by location

Question 29

What is a proximity selection?

Answer 29

Searching based on an objects closeness to the source

Question 30

What does adjacency/contiguity mean?

Answer 30

A shared boundary, two objects touching