Maricopa County Elections Department Geographic Information System Gary Bilotta – Senior GIS Developer/Manager
Software <ul><li>SQL Server 2008 Spatial 64-bit on Windows Server 2008 </li></ul><ul><li>ArcGIS Server Basic Enterprise (Database) 64-bit (2) </li></ul><ul><li>ArcGIS Server Standard Enterprise (Web) (2) </li></ul><ul><li>ArcGIS ArcInfo Concurrent Use (6) </li></ul><ul><li>ArcGIS ArcView Single Use (5) </li></ul>
Software & Hardware Deployment ArcGIS Server Web Server Elections Production Database *SQL Server Spatial *Replicates Address, Street and District datasets for locating voters and assigning voting districts *Two load balance servers *Interactive Mapping Websites *ESRI ArcGIS Server Development *Develop ArcGIS Server websites using Visual Studio 2010 ASP.net/Silverlight *Develop ArcGIS Desktop extensions using Visual Studio 2010 VB.net ArcGIS Desktop GIS Production Database Primary Node Secondary Node *SQL Server Spatial *ESRI SDE *SQL Server Spatial *ESRI SDE Internet Users
Software & Hardware Deployment SQL Server Spatial is utilized to run spatial queries without ESRI software. Using the SQL Server Geometry data type allows us to add/change SQL queries to current programs rather than adding more software layers.
Building Spatially Enabled Datasets <ul><ul><li>Election District Boundaries (cities, school districts, fire districts, etc…) </li></ul></ul>GIS datasets help us visualize and programmatically identify spatial relationships
Building Spatially Enabled Datasets <ul><ul><ul><li>Street Centerlines and Address Points </li></ul></ul></ul>
Assigning Districts to Voters <ul><li>When a voter registers or changes their address, districts are assigned based on the given address. </li></ul>Spatial databases can make integrating GIS in existing applications easier.
Assigning Districts to Voters <ul><li>When a boundary changes shape or a boundary is added, triggers query the database for addresses that are affected. When complete, the voter records at those addresses are updated with the new district information. In addition, if an address point changes, any voters registered at it will also have their districts updated. </li></ul>
Election Setup <ul><li>Determine which voting districts fall within a voting precinct for ballot creation. </li></ul>SQL Spatial Query
Custom Desktop Applications Tools for generating election maps of an entire election. Tools for creating maps showing if the voter is in the correct polling location & providing adjacent precinct polling places.
Custom Desktop Applications Tools for generating election maps for use at the polls in determining ballot style (green or purple stripe) for voters in the precinct
Custom Desktop Applications Tools for generating election maps for our field rovers (troubleshooters) of their area of responsibility.
This map shows the correct PP in blue and the wrong PPs in green with a purple line from the voter’s residence to the PP they went to in error. Custom Desktop Applications
Custom Desktop Applications Legal Descriptions For DOJ Submissions Demographics for DOJ Submissions After each decennial census, the elections department redraws the voting precincts, board of supervisor and justice of the peace boundaries.
Custom Web Applications Online Reviewer website for the public to lookup district information http://recorder.maricopa.gov/reviewer Built using Visual Studio 2010 (vb.net), Silverlight and ArcGIS Server
Custom Web Applications <ul><li>The interactive mapping tool allows for the public to draw their own lines as well as view the corresponding demographic impact of the changes: </li></ul>Online Redistricting for the public to make suggestions to district boundaries https://recorder.maricopa.gov/redistricting
Custom Web Applications Candidates, the media, and election officials are interested in knowing which precincts have reported results on election night. An internet map on election night as well as at the Phoenix Convention Center showing this is very helpful.
<ul><li>Mapping of minority language ballot requests assist in determinations of where to place bilingual pollworkers on Election Day: </li></ul>Custom Mapping
Custom Mapping Mapping aids in identifying geographic anomalies.
Additional analysis shows that although these 2 precincts seem to stand out because they are not covered; surveys said no voters came in needing assistance and they have a very low request rate of Spanish ballots: Custom Mapping
<ul><li>Mapping of Census demographic data aids in demonstrating urban Native American populations to inform redistricting decisions: </li></ul>Custom Mapping
Thank you Questions? Contact: Gary Bilotta Maricopa County Elections [email_address]