Geographic Information Systems (GIS) - PowerPoint PPT Presentation

Loading...

PPT – Geographic Information Systems (GIS) PowerPoint presentation | free to download - id: 2094d1-ZDc1Z



Loading


The Adobe Flash plugin is needed to view this content

Get the plugin now

View by Category
About This Presentation
Title:

Geographic Information Systems (GIS)

Description:

Coordination of Indiana GIS through dissemination of data and ... Remember those overlay 'maps' of the human body from grade school? ... Pictures. Video. Audio ... – PowerPoint PPT presentation

Number of Views:87
Avg rating:3.0/5.0
Slides: 17
Provided by: JDube
Learn more at: http://www.igic.org
Category:

less

Write a Comment
User Comments (0)
Transcript and Presenter's Notes

Title: Geographic Information Systems (GIS)


1
Geographic Information Systems (GIS)
  • Connecting People with the World Around Them

2
An Information System
  • Remember those overlay maps of the human body
    from grade school?

3
A Geographic Information System
  • A GIS is similar, layering mapped information in
    a computer to help us view our world as a system

4
What is GIS?
  • A Geographic Information System is a collection
    of tools to build, maintain, and use electronic
    maps and associated databases

5
What Does GIS Do?
  • It locates
  • Physical infrastructure, like water and sewer
    pipes

6
What Does GIS Do?
  • It locates
  • Areas, like land use

7
What Does GIS Do?
  • It locates
  • Incidents, like crime statistics

8
What Does GIS Do?
  • It locates
  • Quantities or densities, like disease mortality
    rates

9
What Does GIS Do?
It identifies
10
From Maps to Information
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.
11
What Does GIS Do?
  • It allows questions to be asked from the map side
    or from the database side

897401
897401
12
What Does GIS Do?
  • It allows questions to be framed geographically

13
What Does GIS Do?
  • It organizes a wide variety of spatial
    information types
  • CAD data
  • GIS data
  • Pictures
  • Video
  • Audio

14
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.

15
How Does GIS Provide Benefit?
  • GIS improves efficiency
  • GIS identifies opportunities
  • GIS improves decisions by providing needed tools
    and data

16
THANK YOU
About PowerShow.com