1 / 9

GIS in Redistricting

GIS in Redistricting. Kent Stigall Division of L egislative Services. Primary Issues. Time Line Time Line Time Line Time Line. Conceptualization (using a crystal ball). Web based Not possible given the technology, application and time. Intranet Anywhere in Capitol Square

vachel
Télécharger la présentation

GIS in Redistricting

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. GIS in Redistricting Kent Stigall Division of Legislative Services

  2. Primary Issues • Time Line • Time Line • Time Line • Time Line

  3. Conceptualization (using a crystal ball) • Web based • Not possible given the technology, application and time. • Intranet • Anywhere in Capitol Square • Legislators offices in the General Assembly Building • Neither are reasonable • Workstations • Type, quantity, location • Software platform • ArcGIS and AutoBound (CityGate GIS) • Producing paper maps • Plotter and color printers

  4. Conceptualization continued • Website • Minimum requirements • “Transparency” in government • Public comments • Define resources

  5. Personnel • Staffing • Individual user support • Over 140 bosses • Technical staff (system analyst, programmer, developer, help desk, procurement specialist, budgeting, GIS technician, security, report writing, database analyst, sergeant at arms) • Wearing many hats (some made of iron) • Training

  6. Geography • Possibly delivered the 2nd week in October then • 1st week of November then • 3rd week of November finally • Arrives 1stof December • About 5 gig used in redistricting Virginia • 285,762 census blocks • 2,373 precincts • 134 localities • 815,067 roads

  7. PL 94-171 – Population data • Delivery • February 3rd • Quantity of data • 288 race fields • Data Issues • Population erroneously assigned • Norfolk with 11,000+ wrongly assigned • New data comes without all the data fields • Linking data to geography • Census Bureau throws knuckle ball • Follows up with a fastball

  8. Building data • Voter registration data • Over 5 million addresses for each year • It takes time to geocode • Historical election data • Disaggregating and building • Imperfect

  9. Only one chance • Application expertise • Software vendors are very limited • No real experience with the data • We have more experience than any developer • Many “LITTLE” issues • Virginia’s redistricting web site • ArcIMS web site in 2001 and still running in 2011 • It was cutting edge at the time • Delay in starting development • March 29th is our Black Tuesday! • http://redistricting.dls.virginia.gov/2010/ • There is a lot of potential

More Related