shrug-l: Fwd: URISA Connect Event: Redistricting in Ohio Enhanced by PPGIS

Tripp Corbin tcorbin at
Wed Sep 21 09:55:07 EDT 2011

Thought some of you might find this interesting. I know Redistricting is 
an issue many of us are facing.

Tripp Corbin, MCP, CFM, GISP | Chief Executive Officer
eGIS Associates, Inc.
678-710-9710 ext 21 | 866-304-3864 Fax
tcorbin at |
Esri Certified Trainer | Esri Certified Desktop Associate

*From:*jgriffith at [mailto:jgriffith at]
*Sent:* Wednesday, September 21, 2011 9:41 AM
*To:* trippcor at
*Subject:* URISA Connect Event: Redistricting in Ohio Enhanced by PPGIS

URISA is pleased to announce that URISA Member and industry leader, Mark 
Salling, will present his webinar, /Redistricting in Ohio Enhanced by 
Public Participation GIS/. This URISA Connect Event will expand on his 
article,/Public Participation Geographic Information Systems for 
Redistricting -  A Case Study in/ /Ohio/, which was published in the 
most recent issue of the URISA Journal.

Every ten years, following the release of Census data in the United 
States, each state’s legislature begins the process of redistricting,  
by which census data is used to redraw the lines and boundaries of 
electoral districts within a state. The purpose of redistricting is to 
adjust for population changes to ensure continued equal representation  
This process affects districts at all levels of government — from local 
school boards and city councils to state legislatures and the U.S. House 
of Representatives.

Redistricting determines political representation for the decade to 
come. In preparation for the release of the 2010 Census data, the State 
of Ohio tested the feasibility and merits of using a public 
participation GIS (PPGIS) redistricting system to develop alternative 
district plans aimed at meeting several objectives concerning fair and 
competitive elections.

This educational webinar will present an overview and basic information 
about state legislative and congressional redistricting, with an 
emphasis on how GIS data and software are used. It will not be a 
software training session.

The session will cover concepts that reflect the purpose of the 
redistricting process, including the principle of one person - one vote, 
the Voting Rights Act, and the several objectives of ensuing fair 
representation such as compactness, competition, communities of 
interest, and representational fairness.

During this event, we'll discuss:

Database development and issues of accuracy
The use of GIS in Public Participation redistricting
Examples from Ohio, with mention of how states differ in how boundaries 
are drawn.

*Title*: Redistricting in Ohio Enhanced by Public Participation GIS

*Presenter*: Mark Salling, Ph.D., GISP

*When:*Wednesday, September 28, 2011

*Time:*1 PM ET/ 10 AM PT

Duration is one hour

*Fees*: $20 for URISA Members/ $35 for non-members

Clickhere <> to register

*What is URISA Connect?**
*URISA Connect is an excellent way to connect with your peers and 
develop your professional skills without leaving the office. This new 
program brings you educational webinars, interactive presentations and 
collaborative virtual meetings without putting a strain on your travel 
or training budget.

*Upcoming Events: **
*Wednesday, October 19, 2011: Introduction to Asset Management

Visit <> for 
more information or contact URISA Education Manager, Jeni Griffith, at 
jgriffith at <mailto:jgriffith at>.


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