GIS-presentation
Geographic Information Systems
Joel Masselink
GIS Developer
Philanthropic Technology
May 25th
What is GIS?
How is Vulcan using GIS?
Interesting trends in GIS
What is GIS?
a system for capture, storage, analysis, and display of geographic data
data related to geo-referenced features or phenomena
methods to analyze, understand, and visualize geographic phenomena
Which Vulcan projects use GIS / geospatial data & methods?
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Great Elephant Census
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Sea Around Us
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Domain Awareness System
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IUU
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Drones
Data sources
GPS & mobile devices
Remotely-sensed imagery
Digitized from maps, drawings, imagery
Data providers
Authoritative
US Geological Survey
US Census Bureau
National Geospatial-Intelligence Agency
Crowd-sourced
OpenStreetMap
Private companies (DigitalGlobe)
Distributed networks (Twitter)
Data types
Raster
continuous geographic phenomena
Vector
discrete geographic features
Points
Lines
Polygons
answering questions:
WHERE is the largest concentration of elephants in Tanzania?
WHERE is fishing the most intensive and targeting which species?
WHERE are poaching entry points to Lewa?
GIS Tasks
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compile & process data
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analyze data
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design & visualize results
Trends in the Industry
Spatial is no longer Special
Powerful databases
Cloud Computing
Open Data
Mobile/distributed data collection
Micro-satellites & Drones
Databases w/ spatial extensions
SQL integration with PostGIS & Spatialite
SELECT a.name, ST_Distance(c.geom, a.geom, true) * 0.000621371 AS distance_as_miles FROM geo.cities_ne c CROSS JOIN transport.airports_ne a WHERE c.name = 'Seattle' ORDER BY ST_Distance(c.geom, a.geom, true) ASC LIMIT 1;
Software
Open Software
Python integrated into GIS software
GeoJSON objects
R statistical analysis software
QGIS
Full-featured desktop software
Free and open-source
Integrates with other Open source software/tools
Robust development and user group
Mapbox
Free and open-source
Design, data visualization for web
Vector Tiles
Raster Tiles
Esri
Proprietary software
Private company
Huge customer base
Purveyors of the "Shapefile"
Other spatial software:
CartoDB
Tableau
Cloud Computing
Landsat stored in Amazon S3 buckets
Google Earth Engine
Live demo Google Earth Engine playground
Open Data & Open Source
OpenStreetMap (OSM)
OpenDroneMap
OpenAerialMap
"applies the principles of open source and open data sharing for humanitarian response and economic development."
Thank you!
Contact: joelm@vulcan.com
Thank you!
alukach of Maptime Calgary for this presentation template
Christy Heaton of Maptime Seattle
Cascadia User Group of Open Source Geo (CUGOS)
MapTime Seattle
OpenStreetMap Seattle
and others who have helped me