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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