topic 1: introduction to gis and cartography...introduction to gis and cartography chapter 1: chang...
TRANSCRIPT
Geography 38/42:286GIS I: PSDCD
Topic 1:Introduction to GIS and Cartography
Chapter 1: ChangDent et al. Chapter 1 1
What is a GIS?
• Would you know it if you were standing in, on, or next to one?
• Numerous definitions
• Let’s create our own definition based on form and function:– _______________________________– ____________________________
2
Components of a GIS
3
1.
Components of a GIS
4
2.
Components of a GIS
5
3.
Components of a GIS
6
4.
Components of a GIS
7
5.
8
9
What is a GIS Used For?• What is a GIS used for?
1.
2.
3.
4.
5.
C
S
V
AM
10
Def’n: GIS is . . .
• an information system consisting of hardware, software, spatial data, people, and methods
• used for the management, storage, creation, analysis, and visualization
• of geospatial data
11
Def’n based on this
A method of combining map information and data about map features in a computer for managing and analyzing geographic data.
12
What is a Map?
Map is a (graphic) model
Depicts two basic pieces of info13
What are maps used for?
MAPPING
14
What is Cartography?
• The art, science, and technology of creating maps
• Includes:••••
15
A Cartographic REVOLUTION?
16
How do maps stack up?
What can we do with maps?
Limitations?
17
GIS vs. Maps• So . . . what are the advantages of
GIS over maps?
1.
2.
3.
• So what? 18
Where do maps fit in?
COMMUNICATING & INTERACTING19
Information Systems
How is a GIS different?
1.
2.
3.
20
GISystems vs. GIScience
D AIL SM
21
What is Geomatics?• Science and technology of gathering,
analyzing, interpreting, distributing and using geographic information
Includes:1.2.3.4.5.
22
Class Assignment
• Search the Internet for three jobs in your selected field of study that require some experience with GIS and/or geomatics
• On one page describe each job, including a brief description and qualifications
• Due before midterm, 3 bonus marks
23