Open Source, Public Redistricting Software

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1 Open Source, Public Redistricting Software

2 advanced geospatial analysis on the web Who we are

3

4

5 Apply geospatial technology for civic, social and environmental impact

6 Triple Bottom Line Civic/Social impact Donate share of profits Summer of Maps Research-driven 10% Research Program Academic Collaborations Open Source Open Data

7 Land Water People

8 1. UX Design

9 2. Geography & Place

10 3. Open Source

11 3. Open Source

12 4. Open Data

13 A few examples

14 Machine Learning

15 Climate Change

16 opentreemap open source software for green infrastructure

17 Data Management

18 Eco Benefits

19

20 Research Grants

21

22

23 Web-based

24 Combine Multiple Sources

25 Chained Analysis Functions

26 Open Source

27 Radiant.earth

28

29 Road network data from OpenStreetMap Open Data

30 GTFS

31 Visualize Transit Network

32 Performance & Access Stats

33 Test Scenarios

34

35

36

37

38

39 Address-based District Matching and Elected Official Lookups

40 Data Coverage

41 Data: Redistricting

42 10% Time

43 We live in Philadelphia

44 Gerrymandering Index Using Cicero data to determine the most gerrymandered districts in the US

45 Least Compact Districts Raleigh B C = 1.2 Miami 2 C = 2.5 Houston B C = 2.5 Houston E C = 3.1 Fort Worth 7 C = 3.1 California 23 C = 2.5 Alaska 99 C = 2.5 Florida 18 C = 2.6 Florida 22 C = 2.7 Georgia 13 C = 2.7

46 Gerrymandering White Paper

47 2009

48

49

50 Michael McDonald Micah Altman

51 Better Automated ReDistricting

52 B.A.R.D.

53 Web-based Open source Designed for general public Integrate with data Generate valid (legal) plans Non-partisan Transparent Objectives

54 Sloan Foundation

55

56 Create and edit district plans Use template plans to get started faster Import and merge plans from other systems Display demographics, election and other data Integrate with GoogleMaps, Esri ArcGIS Online, OpenStreetMap or Bing maps Features (1)

57 Show additional reference map layers (school districts and administrative boundaries) Automatically calculate contiguity, compactness and population statistics as you create your plan Customize demographic, geographic and election data statistics on-the-fly Find unassigned areas Features (2)

58 Draw communities of interest and evaluate a plan against them Evaluate if proposed plan matches legal requirements Save and share plans Support public competitions, scoring and leaderboards Support multiple languages Support multiple, nested jurisdictions Features (3)

59 Django PostgreSQL/PostGIS GeoServer jquery OpenLayers Celery Technology

60 -or- Your Servers Cloud or Local Infrastructure

61 DistrictBuilder

62 DistrictBuilder

63 DistrictBuilder

64 Judy Ford Wason Center for Public Policy at Christopher Newport University 2011: VA Redistricting Competition

65 William and Mary team Drew 3 minority opportunity districts Basis for legal challenge VA Redistricting

66 Commission created by ballot initiative in members - bought one license for desktop Maptitude DistrictBuilder - simpler and all commission members can use plus public engagement Two community groups - Latino and Somali - drew districts for their communities Minneapolis City Council

67 Commissioners adopted those districts into their map In 2012 election, first Latino and first Somali representatives - outcome was better representation Minneapolis City Council

68 City Council promised public hearings, then backed out Journalists Competition Small prizes 3 categories: compactness, pop., ward splits Public forum 4 weeks Philadelphia City Council

69

70 Overall Winner

71 31 submissions (1,000+ plans) City Council held public hearings Invited winners to present plans Less embarrassing district map Philadelphia Outcomes

72

73 fixphillydistricts.com

74 Video

75 Scalability User experience design Collaboration costs Timeframe Sustainability Challenges

76 Ok, ok, what s next?

77 2.0

78 Expensive Complicated to setup Time Data loading Infrastructure Sustainability Problems

79 Census Data APIs Improvement #1

80 Re-architect for shared infrastructure (configure vs. install) Improvement #2

81 National Scale Improvement #3

82 Re-design User Experience Improvement #4

83 Support Other Types of Districts Improvement #5

84 80 hours 80 minutes 2021

85 More Amanda Holts

86 Open Source, Public Redistricting Software

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