What is GIS?

1
What is GIS?

• Definition
• GIS Geographic Information Systems
• Concept
• GIS viewing and analyzing the earth spatially.
  
• geospatial analysis
• Process
• GIS using computer map models and analyzing
  tools to understand relationships

2
ESRI Software

• ArcGIS Desktop 8.2 from ESRI (esri.com)
• ArcGIS 3 levels of functionality and price

ArcInfo
Arc Editor
Rhodes uses ArcView
ArcView
3

• ArcGIS is divided into 3 parts

Arc Map
Displays investigates maps
ArcGIS
Arc Catalog
Manages spatial data
Arc Toolbox
Converts data
4
Formats

• Arc Map

Tools
Table of Contents
Display map
5
Formats

• Arc Catalog (data) Arc Toolbox (tools)

Tools in Tree structure
Tools
Data in Tree Structure
Display thumbnail graphics of data


preview metadata tabs for more info
about data
6
Folder Hierarchy
Project.mxd
maps
layers
surface
feature
.
Raster data numbers
Vector data
KEEP ALL THESE IN ONE FOLDER