Midterm 1

Question 1

What is GIS

Answer 1

Geographic information system. Allows you to store, manage, analyze, and present

Question 2

What is GIScience

Answer 2

Priciple of system anf framing the design and use

Question 3

what is Geomatic feild

Answer 3

Concerned with gathering, storinfg, sensing, surveying, and deilvering of geospatial data

Question 4

Data Acquisition

Answer 4

Feild surveying, remote sensin, etc

Question 5

Data attribute management

Answer 5

describes charactistics of spatial features

Question 6

Data analysis and modeling

Answer 6

Vector and Raster

Question 7

Tobler 1st law

Answer 7

Everything is related to everything, but near things are more closely realted

Question 8

Representing data: objects

Answer 8

Decrete and defined (highways, parks) ; vector

Question 9

Representing data: field

Answer 9

distributing continuously over a large area (temp, rain) - raster

Question 10

three types of geometery

Answer 10

1: points (dimensionless)
2: Lines (one dimensions; have 2 coordinate pairs)
3: Polygons (two demsions with closed verticies)

Question 11

Format of Vector

Answer 11

shapefiles

Question 12

Rastor Data

Answer 12

Phenomena is continous over a large area - use shapes

Question 13

Scale

Answer 13

relationship between distances

Question 14

topology

Answer 14

Spatial relationship between neighbouring features

Question 15

Three basic elements to topology

Answer 15

1: Adjacency
2: Containments
3: Connectivity

Question 16

Primary Data for Rastor

Answer 16

Remote sensing -info from electromagnetic radiation

Question 17

Secondary data: Rastor

Answer 17

Scanners

Question 18

Primary data: Vector

Answer 18

Data captured by ground surveying, GPS, LiDAR

Question 19

Secondary vector data

Answer 19

Digitizing

Question 20

Spatial Analysis

Answer 20

Operations that uses spatial data to create new spatial data

Question 21

Spatial Data occurs using

Answer 21

1: Spatial location
2: Data Attributes
3: Comparative Spatial Statisics

Question 22

Non-topological functions to analysis

Answer 22

SQL, operations, compute/calculations

Question 23

Topological functions to Analysis

Answer 23

spacial relationship between things

Question 24

Feature based anaylsis

Answer 24

Finding relationships between features on multiple layers

Question 25

Rastor operations

Answer 25

1: Local (single cell)
2: Neighbourhood (around target cell)
3: Extended neighbourhood (beyond neighbourhood) 4: Regional: identify cells that intersect

Question 26

Reclassification

Answer 26

Creates new rastor data from old rastor data (simplify)

Question 27

Types of Reclassification

Answer 27

1: Binary masking 2: Classification reduction
3:Classification ranking
4:changing measurement scales

Question 28

Interpolation

Answer 28

process where points in space are able to estimate measurements for surroundings