Quanti-litative Revolution in GIS
-
Upload
andy-petrella -
Category
Technology
-
view
91 -
download
1
description
Transcript of Quanti-litative Revolution in GIS
![Page 1: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/1.jpg)
Quanti-litativeRevolutioninGIS
![Page 2: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/2.jpg)
Pre-NextLabLicenceinMaths,ULg
LicenceinComputerSciences,ULg
Geospatialspecialization,ULg
ManyyearsinGIS(IonicSoftwareanditsmutations)
Alwaysindatamanagementandsemantic
Newtechnologiesenthusiast
NextLabageProjectin fortheSPW
Projectin forVirdata
Wrotea aboutPlay!2
evangelist(OKFN,...), speaker
Distributed +Distributed expert
co-founder| organizer
Andthelistgoeson...andon...
@Noootsab
![Page 3: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/3.jpg)
@NextLab_be
![Page 4: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/4.jpg)
QualitativeGISCoinedin1963
![Page 5: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/5.jpg)
Rastervulgus:BigFatMultiBandImages
SPOT(seelater)IKONOS(greek:image)LANDSATALOSQuickBird:resolution64cm→2m44cm
Vectorvulgus...nah,vector
FeatureextractionLandmeters(rare)Fieldsurveying~GPS(GNS)
![Page 6: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/6.jpg)
hence,Producerswere...
Govs!
![Page 7: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/7.jpg)
thus,Userswere
Govs!
Ohyeah,researchersaswell...huh!?wait!
Okay,veryfeeeewprivates
![Page 8: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/8.jpg)
inconsequence,AnalyseswerePerformedbyexperimentedfolks......ornerds
![Page 9: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/9.jpg)
finally,Toolswere...Youdon'tevenknowthem!
ESRI,OracleSpatial,OGC,RedSpider(yeah),...
![Page 10: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/10.jpg)
QualitativeGIS"Started"around2000
Actually,notreallybefore2010
![Page 11: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/11.jpg)
GISRevolutionInducetheoriesfromdata
Theriverhasfloodedon3km
Theriverwillfloodifitrainsmorethan...
![Page 12: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/12.jpg)
NewproducersGoogle,4²,OSM,GPS
old:Mappy,Michelin,...
![Page 13: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/13.jpg)
NewUsersDevs,Lambda
Billioooooons
![Page 14: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/14.jpg)
AnalysesRouting,AccurateGWR¹,...
Disasterprediction,floodprevention,crashprobability,...
¹GeospatialWeightRegression
![Page 15: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/15.jpg)
Tools?Userfriendlyand/orOpenSource
OSMGeoServer
GoogleMapsOpenLayers
![Page 16: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/16.jpg)
QuantilitativeGISCoinedby@Noootsab^^
![Page 17: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/17.jpg)
WTF?!
![Page 18: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/18.jpg)
Rasterstoday(f.i.Spot7)RedGreenBlue+NearInfraRedBandsOneshot:60x60km(3.600sqkm)Takes3.600.000sqkmofgeodataperDAYResolution2satellitesat and2othersat
Revolution:110minutes26daystocompletethegeoid(allpiecesofcrapcovered)1singlef*****gfilefora60x60kmtileisworthupto
![Page 19: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/19.jpg)
Vector(mostlyposition)
Twitter,Facebook,...Foursquare,InstagramWazeGoogle(initswhole)ConnectedDevices
everywhereandeverytime
![Page 20: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/20.jpg)
Presidente
Model-Driven
Deductive
Top-Down
Quantitative
LaggedTime
Commandante
Data-Driven
Inductive
Bottom-Up
Qualitative
RealTime
GISPutschMarcelino
DataLake
MachineLearning
Variety
Value
Velocity
VOLUME?Itwasthereforages!
![Page 21: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/21.jpg)
Who,What,HowYouthoughtIwasjoking,huh!
![Page 22: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/22.jpg)
SocrataEvanChanusingSpark
Customershave pointdata(manymillionsof
rows)PostGIS:point-in-polygonandotherdoes
Partitioningpointdatain (tiling,Z-curve)
Partitionsinto forquickanalysis
Adding toSparkforspeedingup
![Page 23: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/23.jpg)
AzaveaRobEmanueleonGeotrellis
Run ofclimatedataagainstdaily
temperatureandprecipitationdataoutto2009Createsuitabilitymapsoverhigh-resrasterlayersspanningthe forUrbanForestry
Modeling.
GeoTrellisisproviding withgeospatialcapabilities.
Ingest,mosaicandpyramidrasterdatainto
forfast(sub-500ms)tilefetching
![Page 24: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/24.jpg)
SnipsRandHindiinhisLabs
Tranquilien: seatingavailabilityinpublic
transportRiskContext:Determiningtheriskofbicycleandcar
Using technologiesthatcanscalelinearly
(Akka,Scala)Thankstothebottomup ofthearchitecture,the
clusterskeepscrunchingdatainaresilientmanner
![Page 25: Quanti-litative Revolution in GIS](https://reader033.fdocuments.us/reader033/viewer/2022060119/5590401b1a28abbd6a8b47ca/html5/thumbnails/25.jpg)
Done!Thx&cuonTwitter
@noootsab
@NextLab_be