Geographic Information Systems (GIS)

Connecting People with the World

Around Them

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

An Information System

• Remember those overlay “maps” of the human body from grade school?

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

A Geographic Information System

A GIS is similar, layering mapped information in a computer to help us view our world as a system

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What is GIS?

A Geographic Information System is a collection of tools to build, maintain, and use electronic maps and associated databases

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It locates: Physical infrastructure, like water and sewer pipes

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It locates: Areas, like land use

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It locates: Incidents, like crime statistics

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It locates: Quantities or densities, like disease mortality rates

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It identifies:

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

More than just maps…

In a GIS, the maps have tables of data behind them.

This means when you combine different maps you combine data to get the information you need.

From Maps to Information

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It allows questions to be asked from the map side or from the database side

Name Jane DoePhone 776-6300School Dist CenterFire Dist No. 12Police Dist CentertownZip 46060

Parcel ID 897-2874A

Owner Jane DoeAddress 110 E OakCity AnywhereState IndianaZip 46060Property Value

$72,000

897401

897401

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It allows questions to be framed geographically

Left

Right

Inside

Adjacent

Not Adjacent

From

To

Outside

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

What Does GIS Do?

It organizes a wide variety of spatial information types

CAD data GIS data Pictures Video Audio

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

GIS Can Answer Questions

• Identify all land parcels between 5 and 10 acres within 1 mile of interstate access with developed utilities.

• Highlight all CRP pipes greater than 24” in diameter installed before 1965.

• List names and phone numbers of all owners of property within 150 feet of the center of Oak Street between 10th and 14th Streets. List in descending order of property value.

• Find county bridge number 75 and play the inspection video that shows its defects.

Coordination of Indiana GIS through dissemination of data and data products, education and outreach, adoption of standards, and building partnerships

How Does GIS Provide Benefit?

• GIS improves efficiency• GIS identifies opportunities• GIS improves decisions by

providing needed tools and data

THANK YOU