unit 3 - batch processingunit 3 - batch processing mariana soppa & astrid bracher phytoplankton...
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Unit3-BatchProcessing
MarianaSoppa&AstridBracher
Phytoplanktonfromspace:introtooceancolor–29&30June2019
OceanOptics&OceanColorRemoteSensing
ThisprojectreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementnº810139.
Contents
• Practical(short)courseonoceancolour(OC)remotesensingusingSentinelApplicationPlatform(SNAP).
• Lectures:
• Unit1:- Oceancolourdata(sensors,dataarchivesandprocessinglevels)- ExploringOCdatausingSNAP
• Unit2:-ValidationTools
• Unit3:-BatchProcessing
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
3
1. Buildyourgraph:ToolsàGraphBuilder
• rightclicktoaddnewoperators
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• rightclick“connectgraph”andsaveit
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• Gotobatchprocessing:Toolsàbatchprocessing
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• I/Oparameters:selectallimagesyouwanttoprocessandgivetheoutputpath(directory)andtheoutputformat(Savease.g.NetCDF).
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• Loadgraph
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• Open“Subset”
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• SelecttheregionofinterestbyeitherusingthepixelcoordinatesorgeographicalcoordinatesandRUN!• ThenewfileswillautomaticallyopeninSNAP
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
• SubsetMODIS-AquaChlorophyll-aclimatologydataforyourstudyregionusingbatchprocessing.
• Opentwoimages,oneinsummerandoneinwinter.Applycolorand
observethedifferences.
SNAP:BatchSubset(Graphbuilder+Batchprocessing)
EndofUnit3