What is GIS, you ask?

A GEOGRAPHIC INFORMATION SYSTEM (GIS) is...
         ...a database management system for geographic information.

• It relates map features to each other by common space.
• It relates map features to tabule records by a common field heading.
• It allows you to easily query and analyze geographic information.
• It allows the most current information and data to be shared.
• It automates map production, updating and printing.

A Quick Look at a Data Layer and its Table

The Components

Things you should oughta know...

• Database:   a collection of tables containing records of features
• Spatial Data:   computer information that shows the points and lines on a map
• Attribute Data:   descriptive information about the points and lines
• Feature:   a geographic something worth keeping track of
• GIS Layer:   a computer file that contains only ONE set of features
• Function:   that thing you do   (on your job, that is)
• Application:   something that helps you do that thing you do
      (paper maps, simple computer programs, tables of information, etc.)

The Club Sandwich

The JigSaw Puzzle

If built properly, the pieces fit - an accurate map can be enjoyed by all.

GIS greases the bearings by improving...

• Efficiency - doing your job faster
• Effectiveness - more and better information is generated (and used).
• Equity - an increase in effective and joyful participation by citizens.

• Determine the various functions of each department
• Identify the required geographic data for each function
• Obtain said data
• Logically stuff the data into the database
• Come up with applications to help you with your job