|
UPCOMING EVENTS
Take
Home Exercise #2
DUE Feb 9th
Optional Readings
in Longley Text
Chapter 3: Representing Geography
CLASS RESOURCES
Latest Lab Exercise:
Lab
EX#1 coming soon
Class Website
Content
Syllabus
GRADES
FEEDBACK
ESRI ArcGIS User Forum
History
of GIS
How to Calculate the Area
of a Polygon Feature in
a Shapefile
|
THIS
WEEK IN INTRO. TO GIS WEEK #2
Representing Geography
This week, we will take a look at how
spatial information
is transformed and represented. Topics of discussion will
include datums, coordinate systems, and raster vs. vector
data representation.
Coordinate Systems
Cartesian Coordinate System

UTM




Geographic Grid (Latitude and Longitude)
Spherical Grid System

Datums

Data Types
Raster vs. Vector
"Raster is vaster, Vector is more correcter"


|
Online
GIS Data Resources
STARTING THE HUNT
FOR GIS DATA
Penn State
University Library
Digital Chart of the World
San Diego
Association of Governments
SANDAG
U.S. Census Bureau
Cartographic Boundary Files
Canadian
GeoBase
GEODATA.GOV
Web-based GIS Projects
SDSU Web Based GIS of
Wildfires
Utah Water Science Center
Web-based GIS
Imperial County
Web-Based GIS
FEMA
Mapping Information Platform
U.S. Census Bureau
FactFinder Mapping Interface
TIGER Map Server
California Digital
Conservation Atlas
Find a GIS Job
|