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Piloting and Documentation ofInnovative Employment of GPS units in MICS4
Surveys in ESA Region Countries
Mikel MaronGroundTruth Initiative
OpenStreetMap
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Let's figure outthe cool stuffwe can do with
GPSin the survey
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Current use of GPS in MICS
Collect single point in
center of cluster
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OpenStreetMapGlobal Collaborative Mapping
“kinda like Wikipedia for Maps”
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Haiti
http://news.bbc.co.uk/2/hi/uk_news/magazine/8517057.stm
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UsesImmediate recovery
Ongoing reconstruction
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Map Kibera
photo: http://gallery.me.com/dbullington#100816&view=null&bgcolor=black&sel=12
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Kibera 1 million people(?), 2.5 km2 was a blank spot on the map
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* The MappersThe Mappers
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Voice of Kibera:http://voiceofkibera.org/Shortcode to report: 3002, “Kibera”
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PreperationConversionGarmin GPS Maps
Shapefiles
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Preperation: MICS4 Mapping Party
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Preperation: Manuals
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DURING
Base Map
ClusterLocation
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DURING
TrackCollection
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DURING
PointCollection
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What cool stuffdid we do with
GPSin the survey
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Tracks
8 GPS1 trkpt per second
2+ months> 10 million trkpt
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Repetition == Accuracy
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Track AnimationWeek 1
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Points of Interest
No substantial collectionDemanding SurveySupervisors BusyOptional Activity
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Points of InterestLessons
Find right people(Measurers?)
Require & Cost(Time, People, Geography)
Motivation
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Household GPS MapHuge benefit to teams
Opportunity emerged in training
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Household GPS Map
Listing preparation and survey are two people
Head of households sometimes misidentified
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Usability
More context needed in base map
Basic GPS operations and procedures need more training
Power cables and mounts not reliable
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GPS Capacity at CSO
gpx2shp
Convert GPS data into ESRI Shapefile in one automated step
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GPS Capacity at CSOgpsbabel + mkgmap
Create GPS base maps from spreadsheet data
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What cool stuffdo we do next with
GPSin the survey
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Final Collection
Tracks, Waypoints, Formsfollowing conclusion of survey
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Editing TracksInto Base Map
15-20 millionTrackpoints
Every road inThe country
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MICS Spatial Analysis
Correlation ofProximity of services to
indicators
Nearby schools : enrollmentNearby hospitals : health
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Track Analysis &Applications
Distances per vehicle, date, time of day
Speed variability
Distribution of movement
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Data Sharing?
CSO / Ministries ServiceLevel Data Sets
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Data Collection?
Focused POI collection in reusable way
Neighborhood Care Centres
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Thanks!
Mikel [email protected]