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Introduction ofOpen Source GIS
May 26 2013
microbase.LLCHiroaki Sengoku
the 2nd G-SPASE meeting
Sunday, May 26, 13
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Hiroaki Sengoku
The univ of TokyoGraduate school of Fron9er sciencePh.D student
About me
NPO Ino-‐shachu vice presidentmicrobase.LLC president
Hobby: motorBike, Reading
Sunday, May 26, 13
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Agenda
Processing large-scale data using Open Source GIS
What’s Open Source GIS ?
Major Open Source GIS
How to learn Open Source GIS?
Case example
Sunday, May 26, 13
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OpenStreetMap known for the Wikipedia of Maps is composed of Open Source GIS.
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Source: http://wiki.openstreetmap.org/wiki/Component_overview
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Open Source GIS is contributing to earthquake disaster reconstruction.
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source: http://www.agt.bme.hu/public_e/gis_func/funct26.htm
GIS Functions
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Over 200 Open Source for GIS are released.sources: http://opensourcegis.org/
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Agenda
Processing large-scale data using Open Source GIS
What’s Open Source GIS ?
Major Open Source GIS
How to learn Open Source GIS?
Case example
Sunday, May 26, 13
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Delivery
Analysis Viewer
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Quantum GIS (QGIS)An user friendly GIS that runs on Linux, Unix, Mac OSX, Windows and Android.
Easy analysis can be done using QGIS.
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GRASSused for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
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R a free software programming language and a software environment for statistical computing and graphics
rich packages can be available
source: http://www.geopacific.org/opensourcegis/gcngisbook/QGIS_book/7b2c57ae0/8oo25e
ex) Home range analysis for Japanese monkeys install.packages("adehabitat", dep = TRUE)
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spatial objects for the PostgreSQL database, allowing storage and query of information about location and mapping.
PostGIS
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GDAL/OGR
AVCBin, BNA, CSV, DGN, ESRI Shapefile, GML, GMT, GPX, GRASS, GeoJSON, Interlis, KML, MapInfo FIle, Memory, MySQL, ODBC, OGDI, PGeo, PostgreSQL, REC, S57, SDTS, SQLite, TIGER, UK.NTF, VRT Possible OGR Targets in QGIS: BNA, CSV, DGN, ESRI Shapefile, GML, GMT, GPX, GeoJSON, Interlis 1, Interlis 2, KML, MapInfo FIle, Memory, MySQL, ODBC, PostgreSQL, S57, SQLite, TIGER
Transform coordinates.
And much more… Read and write multiple GIS formats
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Open LayersDisplay map data in web browsers
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Agenda
Processing large-scale data using Open Source GIS
What’s Open Source GIS ?
Major Open Source GIS
How to learn Open Source GIS?
Case example
Sunday, May 26, 13
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large-scale database: mobile and web, buildings...
Although GUI based GIS is very helpful...
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Run using Script language
ex)
PyQt based on PythonSunday, May 26, 13
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出典 Wikipedia Edsger Wybe Dijkstra
Edsger Wybe Dijkstra (1930-‐2002)
ex)
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1. from'PyQt4.QtCore'import'*'
2. from'PyQt4.QtGui'import'*'
3. from'qgis.core'import'*'
4. from'qgis.gui'import'*'
5. from'qgis.networkanalysis'import'*'
6. import'csv'
7. �'8. #create'graph'from'network'data'
9. vl'='qgis.uIls.iface.mapCanvas().currentLayer()'
10. director'='QgsLineVectorLayerDirector('vl,'Q1,''',''',''','3')'11. properter'='QgsDistanceArcProperter()'12. director.addProperter('properter')'13. crs'='qgis.uIls.iface.mapCanvas().mapRenderer().desInaIonCrs()'
14. builder'='QgsGraphBuilder('crs')'
ex)
# If you have interested above in PyQt, try this! http://www.slideshare.net/hiroakisengoku/foss4-g-15026614
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ex)
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Agenda
Processing large-scale data using Open Source GIS
What’s Open Source GIS ?
Major Open Source GIS
How to learn Open Source GIS?
Case example
Sunday, May 26, 13
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Estimation of Fire Spreading
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Source: Zenrin Maps
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Zenrin Maps Census Other Resources
Cluster of Fire Spreading
Estimating bldg attr
Fire Simulation
amedas etc...
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Agenda
Processing large-scale data using Open Source GIS
What’s Open Source GIS ?
Major Open Source GIS
How to learn Open Source GIS?
Case example
Sunday, May 26, 13
![Page 28: Introduction of open source gis](https://reader033.vdocument.in/reader033/viewer/2022051610/54827d07b07959490c8b4807/html5/thumbnails/28.jpg)
Web Tips
sample code
Reference
web text
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Collaboratively edited question site
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Slideshare
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Books
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Workshop
Sunday, May 26, 13
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Thank you for aTen9on :)
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Hiroaki Sengoku
Sunday, May 26, 13