GRASS 6.4.0 Command list

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24 Νοε 2013 (πριν από 3 χρόνια και 24 μέρες)

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GRASS6.4.0Commandlist
10September2009
Commandtypes:
d.*displaycommands
db.*databasecommands
g.*generalcommands
i.*imagerycommands
m.*miscellanouscommands
ps.*postscriptcommands
r.*rastercommands
r3.*raster3Dcommands
v.*vectorcommands
wxGUIGUIfrontend(wxPython)
gis.mGUIfrontend(Tcl/Tk)
NVIZn-dimensionalvisualizationsuite
xganimrastermapslideshowviewer
Displaycommands:
d.askPromptstheusertoselectaGRASSdatabasefilefromamongfilesdisplayedina
menuonthegraphicsmonitor.
d.barscaleDisplaysabarscaleonthegraphicsmonitor.
d.colorlistOutputalistofallavailabledisplaycolorswithaconfigurableseparator(defaultis
comma).
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d.colorsAllowstheusertointeractivelychangethecolortableofarastermaplayerdisplayed
onthegraphicsmonitor.
d.colortableDisplaysthecolortableassociatedwitharastermaplayer.
d.correlatePrintsagraphofthecorrelationbetweendatalayers(inpairs).
d.eraseErasethecontentsoftheactivedisplayframewithuserdefinedcolor.
d.extendSetswindowregionsothatallcurrentlydisplayedrasterandvectormapscanbe
showninamonitor.
d.extractSelectsandextractsvectorswithmouseintonewvectormap.
d.font.freetypeSelectsthefontinwhichtextwillbedisplayedontheuser’sgraphicsmonitor.
d.fontSelectsthefontinwhichtextwillbedisplayedontheuser’sgraphicsmonitor.
d.frameManagesdisplayframesontheuser’sgraphicsmonitor.
d.geodesicDisplaysageodesicline,tracingtheshortestdistancebetweentwogeographicpoints
alongagreatcircle,inalongitude/latitudedataset.
d.graphProgramforgeneratinganddisplayingsimplegraphicsonthedisplaymonitor.
d.gridOverlaysauser-specifiedgridintheactivedisplayframeonthegraphicsmonitor.
d.hisDisplaystheresultobtainedbycombininghue,intensity,andsaturation(his)values
fromuser-specifiedinputrastermaplayers.
d.histogramDisplaysahistogramintheformofapieorbarchartforauser-specifiedraster
map.
d.infoDisplayinformationabouttheactivedisplaymonitor.
d.labelsDisplaystextlabels(createdwithv.label)totheactiveframeonthegraphicsmonitor.
d.legendDisplaysalegendforarastermapintheactiveframeofthegraphicsmonitor.
d.linegraphGeneratesanddisplayssimplelinegraphsintheactivegraphicsmonitordisplay
frame.
d.mDisplaymanagerforGRASS.
d.mapgraphGeneratesanddisplayssimplegraphicsonmaplayersdrawnintheactivegraphics
monitordisplayframe.
d.measureMeasuresthelengthsandareasoffeaturesdrawnbytheuserintheactivedisplay
frameonthegraphicsmonitor.
d.menuCreatesanddisplaysamenuwithintheactiveframeonthegraphicsmonitor.
d.monToestablishandcontroluseofagraphicsdisplaymonitor.
d.monsizeSelects/startsspecifiedmonitoratspecifiedsize.
d.mvmonMovesdisplayedmapstoanothermonitor.
d.nvizCreatesfly-throughscripttoruninNVIZ.
d.out.fileSavesthecontentsoftheactivedisplaymonitortoagraphicsfile.
d.out.gpsdriveExportdisplaymonitortoaGpsDrivecompatiblebackdropimage.
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d.out.pngSavesactivedisplaymonitortoPNGfileinhomedirectory.
d.pathFindsshortestpathforselectedstartingandendingnode.
Vector⊲Networkanalysis⊲Displayshortestroute(requiresXTerm)
d.polarDrawspolardiagramofanglemapsuchasaspectorflowdirections.
d.profileInteractiveprofileplottingutilitywithoptionaloutput.
d.rast.arrowDrawsarrowsrepresentingcellaspectdirectionforarastermapcontainingaspect
data.
d.rast.editInteractivelyeditcellvaluesinarastermap.
Raster⊲Changecategoryvaluesandlabels⊲Interactivelyeditcategoryvalues
d.rast.legDisplaysarastermapanditslegendonagraphicswindow.
d.rast.numOverlayscellcategoryvaluesonarastermaplayerdisplayedtothegraphicsmoni-
tor.
d.rastDisplaysandoverlaysrastermaplayersintheactivedisplayframeonthegraphics
monitor.
d.redrawRedrawsthecurrentdisplayframeintheGRASSmonitor.
d.resizeResizesactivedisplaymonitor.
d.rgbDisplaysthreeuser-specifiedrastermaplayersasred,green,andblueoverlaysinthe
activegraphicsframe.
d.rhumblineDisplaystherhumblinejoiningtwouser-specifiedpoints,intheactiveframeonthe
user’sgraphicsmonitor.
d.saveCreatesalistofcommandsforrecreatingscreengraphics.
d.shadedmapDrapesacolorrasteroverashadedreliefmapusingd.his.
d.slide.showSlideshowofGRASSraster/vectormaps.
d.split.frameSplitthedisplayintosubframes.
d.splitDividesactivedisplayintotwoframes&displaysmaps/executescommandsineach
frame.
d.text.freetypeDrawstextintheactivedisplayframeonthegraphicsmonitorusingthecurrent
font.
d.textDrawstextintheactivedisplayframeonthegraphicsmonitorusingthecurrentfont.
d.thematic.areaDisplaysathematicvectorareamapintheactiveframeonthegraphicsmonitor.
d.titleCreateaTITLEforarastermapinaformsuitablefordisplaywithd.text.
d.vect.chartDisplayschartsofvectordataintheactiveframeonthegraphicsmonitor.
d.vect.thematicDisplaysthematicvectormap.
d.vectDisplaysvectordataintheactiveframeonthegraphicsmonitor.
d.what.rastAllowstheusertointeractivelyquerythecategorycontentsofmultiplerastermap
layersatuserspecifiedlocationswithinthecurrentgeographicregion.
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d.what.vectAllowstheusertointeractivelyqueryavectormaplayeratuser-selectedlocations
withinthecurrentgeographicregion.
d.whereIdentifiesthegeographiccoordinatesassociatedwithpointlocationsintheactive
frameonthegraphicsmonitor.
d.zoomAllowstheusertochangethecurrentgeographicregionsettingsinteractively,witha
mouse.
Databasemanagementcommands:
db.columnsListallcolumnsforagiventable.
Database⊲Databaseinformation⊲Listcolumns
db.connectPrints/setsgeneralDBconnectionforcurrentmapsetandexits.
Database⊲Managedatabases⊲Connect
db.copyCopyatable.
Database⊲Managedatabases⊲Copytable
db.describeDescribesatableindetail.
Database⊲Databaseinformation⊲Describetable
db.driversListalldatabasedrivers.
Database⊲Databaseinformation⊲Listdrivers
db.dropcolDropsacolumnfromselectedattributetable.
db.droptableDropsanattributetable.
Database⊲Managedatabases⊲Removetable
db.executeExecutesanySQLstatement.
Database⊲Query⊲SQLstatement
db.in.ogrImportsattributetablesinvariousformats.
File⊲Importdatabasetable⊲MultipleimportformatsusingOGR
db.loginSetsuser/passwordfordriver/database.
Database⊲Managedatabases⊲Login
db.out.ogrExportsattributetablesintovariousformats.
File⊲Exportdatabasetable⊲MultipleexportformatsusingOGR
db.selectSelectsdatafromtable.
Database⊲Query⊲Queryanytable
db.tablesListsalltablesforagivendatabase.
Database⊲Databaseinformation⊲Listtables
db.testTestdatabasedriver,databasemustexistandsetbydb.connect.
Database⊲Managedatabases⊲Test
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GeneralGISmanagementcommands:
g.accessControlsaccesstothecurrentmapsetforotherusersonthesystem.
Config⊲GRASSworkingenvironment⊲Useraccess
g.askPromptstheuserforthenamesofGRASSdatabasefiles.
g.copyCopiesavailabledatafilesintheuser’scurrentmapsetsearchpathandlocationtothe
appropriateelementdirectoriesundertheuser’scurrentmapset.
File⊲Managemapsandvolumes⊲Copy
g.dirsepsInternalGRASSutilityforconvertingdirectoryseparatorcharacters.
g.filenamePrintsGRASSdatabasefilenames.
g.findetcSearchesforGRASSsupportfiles.
g.findfileSearchesforGRASSdatabasefilesandsetsvariablesfortheshell.
g.gisenvOutputsandmodifiestheuser’scurrentGRASSvariablesettings.
Config⊲GRASSworkingenvironment⊲Changesettings
g.guiLaunchesaGRASSgraphicaluserinterface(GUI)session.
Config⊲GRASSworkingenvironment⊲ChangedefaultGUI
g.listListsavailableGRASSdatabasefilesoftheuser-specifieddatatypetostandardout-
put.
File⊲Managemapsandvolumes⊲List
g.manualDisplaytheHTMLmanpagesofGRASS.
Help⊲GRASShelp
g.mapsetChangecurrentmapset.
Config⊲GRASSworkingenvironment⊲Changeworkingenvironment
g.mapsetsModifiestheuser’scurrentmapsetsearchpath,affectingtheuser’saccesstodata
existingundertheotherGRASSmapsetsinthecurrentlocation.
g.messagePrintsamessage,warning,orfatalerrortheGRASSway.
g.mkfontcapGeneratesthefontconfigurationfilebyscanningvariousdirectoriesforfonts.
g.mlistListsavailableGRASSdatabasefilesoftheuser-specifieddatatypetostandardout-
put.
File⊲Managemapsandvolumes⊲Listfiltered
g.mremoveRemovesdatabaseelementfilesfromtheuser’scurrentmapset.
File⊲Managemapsandvolumes⊲Deletefiltered
g.parserFullparsersupportforGRASSscripts.
g.pnmcompOverlaysmultiplePPMimagefiles.
g.projConvertsco-ordinatesystemdescriptions(i.e.projectioninformation)betweenvari-
ousformats(includingGRASSformat).
Config⊲Manageprojections⊲Manageprojections
g.regionManagestheboundarydefinitionsforthegeographicregion.
Config⊲Region⊲SetorDisplayregion
g.removeRemovesdatabaseelementfilesfromtheuser’scurrentmapset.
File⊲Managemapsandvolumes⊲Delete
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g.renameRenamesdatabaseelementfilesintheuser’scurrentmapset.
File⊲Managemapsandvolumes⊲Rename
g.setprojInteractivelyresetthelocation’sprojectionsettings.
Config⊲Manageprojections⊲Projectionforcurrentlocation
g.tempfileCreatesatemporaryfileandprintsthefilename.
g.transformComputesacoordinatetransformationbasedonthecontrolpoints.
g.versionDisplaysversionandcopyrightinformation.
Config⊲GRASSworkingenvironment⊲Version
Imagerycommands:
i.atcorrPerformsatmosphericcorrectionusingthe6Salgorithm.
Imagery⊲Atmosphericcorrection
i.ccaCanonicalcomponentsanalysis(cca)programforimageprocessing.
Imagery⊲Transformimage⊲Canonicalcorrelation
i.classGeneratesspectralsignaturesforanimagebyallowingtheusertooutlineregionsof
interest.
Imagery⊲Classifyimage⊲Interactiveinputforsupervisedclassification(requiresXterm)
i.clusterGeneratesspectralsignaturesforlandcovertypesinanimageusingaclusteringal-
gorithm.
Imagery⊲Classifyimage⊲Clusteringinputforunsupervisedclassification
i.fftFastFourierTransform(FFT)forimageprocessing.
Imagery⊲Transformimage⊲FastFourier
i.fusion.broveyBroveytransformtomergemultispectralandhigh-respanchromaticchannels.
Imagery⊲Broveysharpening
i.gensigGeneratesstatisticsfori.maxlikfromrastermap.
Imagery⊲Classifyimage⊲InputforsupervisedMLC
i.gensigsetGeneratesstatisticsfori.smapfromrastermap.
Imagery⊲Classifyimage⊲InputforsupervisedSMAP
i.groupCreates,edits,andlistsgroupsandsubgroupsofimageryfiles.
Imagery⊲Developimagesandgroups⊲Create/editgroup
i.his.rgbTransformsrastermapsfromHIS(Hue-Intensity-Saturation)colorspacetoRGB(Red-
Green-Blue)colorspace.
Imagery⊲Manageimagecolors⊲HIStoRGB
i.ifftInverseFastFourierTransform(IFFT)forimageprocessing.
Imagery⊲Transformimage⊲InverseFastFourier
i.image.mosaicMosaicsupto4imagesandextendscolormap;createsmap*.mosaic.
Imagery⊲Developimagesandgroups⊲Mosaicimages
i.in.spotvgtImportofSPOTVGTNDVIfileintoarastermap.
File⊲Importrastermap⊲SPOTNDVIimport
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i.landsat.rgbPerformsauto-balancingofcolorsforLANDSATimages.
Imagery⊲Manageimagecolors⊲ColorbalanceforRGB
i.maxlikClassifiesthecellspectralreflectancesinimagerydata.
Imagery⊲Classifyimage⊲Maximumlikelihoodclassification(MLC)
i.oifCalculatesOptimum-Index-FactortableforLANDSATTMbands1-5,&7.
Imagery⊲Reportandstatistics⊲OIFforLandSatTM
i.ortho.photoMenudriverforthephotoimageryprograms.
Imagery⊲Orthophotorectification(requiresXterm)
i.pcaPrincipalcomponentsanalysis(pca)programforimageprocessing.
Imagery⊲Transformimage⊲Principalcomponents
i.pointsMarkgroundcontrolpointsonimagetoberectified.
i.rectifyRectifiesanimagebycomputingacoordinatetransformationforeachpixelinthe
imagebasedonthecontrolpoints.
Imagery⊲Rectifyimageorraster
i.rgb.hisTransformsrastermapsfromRGB(Red-Green-Blue)colorspacetoHIS(Hue-Intensity-
Saturation)colorspace.
Imagery⊲Manageimagecolors⊲RGBtoHIS
i.smapPerformscontextualimageclassificationusingsequentialmaximumaposteriori(SMAP)
estimation.
Imagery⊲Classifyimage⊲Sequentialmaximumaposterioriclassification(SMAP)
i.spectralDisplaysspectralresponseatuserspecifiedlocationsingrouporimages.
Imagery⊲Spectralresponse
i.targetTargetsanimagerygrouptoaGRASSlocationandmapset.
Imagery⊲Developimagesandgroups⊲Targetgroup
i.tasscapTasseledCap(KauthThomas)transformationforLANDSAT-TMdata.
Imagery⊲Tasseledcapvegetationindex
i.vpointsSetregistrationpointsforanimagerygroupfromavectormaporkeyboardentry.
i.zcZero-crossing’edgedetection’rasterfunctionforimageprocessing.
Imagery⊲Filterimage⊲Edgedetection
Imageryphoto.*commands:
photo.2imageMarksfiducialorreseaupointsonanimagetobeortho-rectifiedandthencom-
putestheimage-to-photocoordinatetransformationparameters.
photo.2targetCreatecontrolpointsonanimagetobeortho-rectified.
photo.cameraCreatesormodifiesentriesinacamerareferencefile.
photo.elevSelectstargetelevationmodelforortho-rectification.
photo.initCreatesormodifiesentriesinacamerainitialexposurestationfileforimagerygroup
referencedbyasub-block.
photo.rectifyRectifiesanimagebyusingtheimagetophotocoordinatetransformationmatrix
createdbyphoto.2imageandtherectificationparameterscreatedbyphoto.2target.
photo.targetSelectstargetlocationandmapsetforortho-rectification.
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Miscellaneoustools:
m.cogoAsimpleutilityforconvertingbearinganddistancemeasurementstocoordinates
andviceversa.
File⊲Bearing/distancetocoordinates
m.projConvertcoordinatesfromoneprojectiontoanother(cs2csfrontend).
Config⊲Manageprojections⊲Convertcoordinates
PostScriptcommands:
ps.mapHardcopyPostScriptmapoutpututility.
File⊲Postscriptplot
Rastercommands:
r.averageFindstheaverageofvaluesinacovermapwithinareasassignedthesamecategory
valueinauser-specifiedbasemap.
r.basins.fillGeneratesarastermaplayershowingwatershedsubbasins.
Raster⊲Hydrologicmodeling⊲Watershedsubbasins
r.bilinearBilinearinterpolationutilityforrastermaplayers.
Raster⊲Interpolatesurfaces⊲Bilinearfromrasterpoints
r.bitpatternComparesbitpatternswitharastermap.
Imagery⊲Reportandstatistics⊲Bitpatterncomparison
r.blendBlendscolorcomponentsoftworastermapsbyagivenratio.
Raster⊲Managecolors⊲Blend2colorrasters
r.bufferCreatesarastermaplayershowingbufferzonessurroundingcellsthatcontainnon-
NULLcategoryvalues.
Raster⊲Bufferrasters
r.carveTakesvectorstreamdata,transformsittorasterandsubtractsdepthfromtheoutput
DEM.
Raster⊲Hydrologicmodeling⊲Carvestreamchannels
r.categoryManagescategoryvaluesandlabelsassociatedwithuser-specifiedrastermaplayers.
Raster⊲Reportandstatistics⊲Managecategoryinformation
r.circleCreatesarastermapcontainingconcentricringsaroundagivenpoint.
Raster⊲Concentriccircles
r.clumpRecategorizesdatainarastermapbygroupingcellsthatformphysicallydiscrete
areasintouniquecategories.
Raster⊲Transformfeatures⊲Clump
r.coinTabulatesthemutualoccurrence(coincidence)ofcategoriesfortworastermaplayers.
Raster⊲Reportandstatistics⊲Mutualcategoryoccurrences
r.colors.stddevSetcolorrulesbasedonstddevfromamap’smeanvalue.
Raster⊲Managecolors⊲Colortables(stddev)
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r.colorsCreates/modifiesthecolortableassociatedwitharastermaplayer.
Raster⊲Managecolors⊲Colorrules
r.compositeCombinesred,greenandbluerastermapsintoasinglecompositerastermap.
Raster⊲Managecolors⊲CreateRGB
r.compressCompressesanddecompressesrastermaps.
Raster⊲Developrastermap⊲Compress/decompress
r.contourProducesavectormapofspecifiedcontoursfromarastermap.
Raster⊲Generatecontourlines
r.costCreatesarastermapshowingthecumulativecostofmovingbetweendifferentgeo-
graphiclocationsonaninputrastermapwhosecellcategoryvaluesrepresentcost.
Raster⊲Terrainanalysis⊲Costsurface
r.covarOutputsacovariance/correlationmatrixforuser-specifiedrastermaplayer(s).
Raster⊲Reportandstatistics⊲Covariance/correlation
r.crossCreatesacrossproductofthecategoryvaluesfrommultiplerastermaplayers.
Raster⊲Overlayrasters⊲Crossproduct
r.describePrintsterselistofcategoryvaluesfoundinarastermaplayer.
Raster⊲Reportandstatistics⊲Rangeofcategoryvalues
r.digitInteractivetoolusedtodrawandsavevectorfeaturesonagraphicsmonitorusinga
pointingdevice(mouse)andsavetoarastermap.
Raster⊲Developrastermap⊲Digitizeraster(requiresXTerm)
r.distanceLocatestheclosestpointsbetweenobjectsintworastermaps.
Raster⊲Closestpoints
r.drainTracesaflowthroughanelevationmodelonarastermap.
Raster⊲Terrainanalysis⊲Leastcostrouteorflow
r.externalLinkGDALsupportedrasterfiletoabinaryrastermaplayer.
File⊲Importrastermap⊲LinktoGDAL
r.fill.dirFiltersandgeneratesadepressionlesselevationmapandaflowdirectionmapfroma
givenelevationlayer.
Raster⊲Hydrologicmodeling⊲Depressionlessmapandflowlines
r.fillnullsFillsno-dataareasinrastermapsusingv.surf.rstsplinesinterpolation.
Raster⊲Interpolatesurfaces⊲FillNULLcells
r.flowConstructionofslopecurves(flowlines),flowpathlengths,andflowlinedensities(up-
slopeareas)fromarasterdigitalelevationmodel(DEM).
Raster⊲Hydrologicmodeling⊲Flowlines
r.grow.distanceGeneratesarastermaplayerofdistancetofeaturesininputlayer.
Raster⊲Terrainanalysis⊲Distancetofeatures
r.growGeneratesarastermaplayerwithcontiguousareasgrownbyonecell.
Raster⊲Transformfeatures⊲Grow
r.gwflowNumericalcalculationprogramfortransient,confinedandunconfinedgroundwater
flowintwodimensions.
r.hisGeneratesred,greenandbluerastermaplayerscombininghue,intensityandsatura-
tion(HIS)valuesfromuser-specifiedinputrastermaplayers.
Raster⊲Managecolors⊲RGBtoHIS
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r.horizonHorizonanglecomputationfromadigitalelevationmodel.
Raster⊲Terrainanalysis⊲Horizonangle
r.in.arcConvertsanESRIARC/INFOasciirasterfile(GRID)intoa(binary)rastermaplayer.
File⊲Importrastermap⊲ESRIASCIIgridimport
r.in.asciiConvertsASCIIrasterfiletobinaryrastermaplayer.
File⊲Importrastermap⊲ASCIIgridimport
r.in.asterGeoreference,rectifyandimportTerra-ASTERimageryandrelativeDEM’susing
gdalwarp.
File⊲Importrastermap⊲TerraASTERHDFimport
r.in.binImportabinaryrasterfileintoaGRASSrastermaplayer.
File⊲Importrastermap⊲Binaryfileimport
r.in.gdalImportGDALsupportedrasterfileintoabinaryrastermaplayer.
File⊲Importrastermap⊲ImportrasterdatausingGDAL
r.in.gridatbImportsGRIDATB.FORmapfile(TOPMODEL)intoGRASSrastermap.
File⊲Importrastermap⊲GRIDATB.FORimport
r.in.matImportsabinaryMAT-File(v4)toaGRASSraster.
File⊲Importrastermap⊲MAT−File(v.4)import
r.in.polyCreatesrastermapsfromASCIIpolygon/line/pointdatafiles.
File⊲Importrastermap⊲ASCIIpolygonsandlinesimport
r.in.srtmImportSRTMHGTfilesintoGRASS.
File⊲Importrastermap⊲SRTMHGTimport
r.in.wmsDownloadsandimportsdatafromWMSservers.
r.in.xyzCreatearastermapfromanassemblageofmanycoordinatesusingunivariatestatis-
tics.
File⊲Importrastermap⊲AggregateASCIIxyzimport
r.infoOutputbasicinformationaboutarastermaplayer.
Raster⊲Reportandstatistics⊲Basicrastermetadata
r.kappaCalculateerrormatrixandkappaparameterforaccuracyassessmentofclassification
result.
Imagery⊲Reportandstatistics⊲Kappaanalysis
r.lakeFillslakefromseedatgivenlevel.
Raster⊲Hydrologicmodeling⊲Filllake
r.le.patchCalculatesattribute,patchsize,core(interior)size,shape,fractaldimension,and
perimetermeasuresforsetsofpatchesinalandscape.
Raster⊲Landscapestructuremodeling⊲Analyzepatches
r.le.pixelContainsasetofmeasuresforattributes,diversity,texture,juxtaposition,andedge.
Raster⊲Landscapestructuremodeling⊲Analyzelandscape
r.le.setupInteractivetoolusedtosetupthesamplingandanalysisframeworkthatwillbeused
bytheotherr.leprograms.
Raster⊲Landscapestructuremodeling⊲Setup(requiresXTerm)
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r.le.traceDisplaystheboundaryofeachr.lepatchandshowshowtheboundaryistraced,dis-
playstheattribute,size,perimeterandshapeindicesforeachpatchandsavesthe
datainanoutputfile.
Raster⊲Landscapestructuremodeling⊲Output
r.li.cwedCalculatescontrastweightededgedensityindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Contrastweightededgedensity
r.li.dominanceCalculatesdominance’sdiversityindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Dominance
′sdiversity
r.li.edgedensityCalculatesedgedensityindexonarastermap,usinga4neighbouralgorithm.
Raster⊲Landscapepatchanalysis⊲Edgedensity
r.li.mpaCalculatesmeanpixelattributeindexonarastermap.
r.li.mpsCalculatesmeanpatchsizeindexonarastermap,usinga4neighbouralgorithm.
Raster⊲Landscapepatchanalysis⊲Patchareamean
r.li.padcvCalculatescoefficientofvariationofpatchareaonarastermap.
Raster⊲Landscapepatchanalysis⊲PatchareaCoeffVar
r.li.padrangeCalculatesrangeofpatchareasizeonarastermap.
Raster⊲Landscapepatchanalysis⊲Patcharearange
r.li.padsdCalculatesstandarddeviationofpatchareaarastermap.
Raster⊲Landscapepatchanalysis⊲PatchareaStdDev
r.li.patchdensityCalculatespatchdensityindexonarastermap,usinga4neighbouralgorithm.
Raster⊲Landscapepatchanalysis⊲Patchdensity
r.li.patchnumCalculatespatchnumberindexonarastermap,usinga4neighbouralgorithm.
Raster⊲Landscapepatchanalysis⊲Patchnumber
r.li.richnessCalculatesdominance’sdiversityindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Richness
r.li.setupConfigurationeditorforr.li.’index’.
Raster⊲Landscapepatchanalysis⊲Setupsamplingandanalysisframework
r.li.shannonCalculatesShannon’sdiversityindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Shannon

sdiversity
r.li.shapeCalculatesshapeindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Shapeindex
r.li.simpsonCalculatesSimpson’sdiversityindexonarastermap.
Raster⊲Landscapepatchanalysis⊲Simpson
′sdiversity
r.losLine-of-sightrasteranalysisprogram.
Raster⊲Terrainanalysis⊲Visibility
r.mapcalcPerformsarithmeticonrastermaplayers.
r.mapcalculatorCalculatenewrastermapfromar.mapcalcexpression.
r.maskCreateaMASKforlimitingrasteroperation.
Raster⊲Mask
r.medianFindsthemedianofvaluesinacovermapwithinareasassignedthesamecategory
valueinauser-specifiedbasemap.
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r.mfilter.fpRastermapmatrixfilter.
Imagery⊲Filterimage⊲Matrix/convolvingfilter
r.mfilterRastermapmatrixfilter.
r.modeFindsthemodeofvaluesinacovermapwithinareasassignedthesamecategory
valueinauser-specifiedbasemap.
r.neighborsMakeseachcellcategoryvalueafunctionofthecategoryvaluesassignedtothecells
aroundit,andstoresnewcellvaluesinanoutputrastermaplayer.
Raster⊲Neighborhoodanalysis⊲Movingwindow
r.nullManagesNULL-valuesofgivenrastermap.
Raster⊲Developrastermap⊲ManageNULLvalues
r.out.arcConvertsarastermaplayerintoanESRIARCGRIDfile.
File⊲Exportrastermap⊲ESRIASCIIgridexport
r.out.asciiConvertsarastermaplayerintoanASCIItextfile.
File⊲Exportrastermap⊲ASCIIgridexport
r.out.binExportsaGRASSrastertoabinaryarray.
File⊲Exportrastermap⊲Binaryexport
r.out.gdal.shExportsGRASSrasterintoGDALsupportedformats.
r.out.gdalExportsGRASSrastermapsintoGDALsupportedformats.
File⊲Exportrastermap⊲MultipleexportformatsusingGDAL
r.out.gridatbExportsGRASSrastermaptoGRIDATB.FORmapfile(TOPMODEL).
File⊲Exportrastermap⊲GRIDATB.FORexport
r.out.matExportsaGRASSrastertoabinaryMAT-File.
File⊲Exportrastermap⊲MAT−File(v.4)export
r.out.mpegRasterFileSeriestoMPEGConversionProgram.
File⊲Exportrastermap⊲MPEG−1export
r.out.pngExportGRASSrasterasnon-georeferencedPNGimageformat.
File⊲Exportrastermap⊲PNGexport
r.out.povConvertsarastermaplayerintoaheight-fieldfileforPOVRAY.
File⊲Exportrastermap⊲POV−Rayexport
r.out.ppmConvertsaGRASSrastermaptoaPPMimagefileatthepixelresolutionofthecur-
rentlydefinedregion.
File⊲Exportrastermap⊲PPMexport
r.out.ppm3Converts3GRASSrasterlayers(R,G,B)toaPPMimagefileatthepixelresolutionof
theCURRENTLYDEFINEDREGION.
File⊲Exportrastermap⊲PPMfromRGBexport
r.out.tiffExportsaGRASSrastermaptoa8/24bitTIFFimagefileatthepixelresolutionofthe
currentlydefinedregion.
File⊲Exportrastermap⊲TIFFexport
r.out.vrmlExportarastermaptotheVirtualRealityModelingLanguage(VRML).
File⊲Exportrastermap⊲VRMLexport
r.out.vtkConvertsrastermapsintotheVTK-Asciiformat.
File⊲Exportrastermap⊲VTKexport
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r.out.xyzExportarastermaptoatextfileasx,y,zvaluesbasedoncellcenters.
File⊲Exportrastermap⊲ASCIIx,y,zexport
r.param.scaleExtractsterrainparametersfromaDEM.
Raster⊲Terrainanalysis⊲Terrainparameters
r.patchCreatesacompositerastermaplayerbyusingknowncategoryvaluesfromone(or
more)maplayer(s)tofillinareasof’nodata’inanothermaplayer.
Raster⊲Overlayrasters⊲Patchrastermaps
r.planeCreatesrasterplanemapgivendip(inclination),aspect(azimuth)andonepoint.
Raster⊲Generatesurfaces⊲Plane
r.profileOutputstherastermaplayervalueslyingonuser-definedline(s).
Raster⊲Reportandstatistics⊲Sampletransects
r.projRe-projectsarastermapfromonelocationtothecurrentlocation.
Raster⊲Developrastermap⊲Reprojectraster
r.quantProducesthequantizationfileforafloating-pointmap.
Raster⊲Developrastermap⊲Quantization
r.quantileComputequantilesusingtwopasses.
Raster⊲Reportandstatistics⊲Quantilesforlargedatasets
r.random.cellsGeneratesrandomcellvalueswithspatialdependence.
Raster⊲Generaterandomcells⊲Randomcells
r.random.surfaceGeneratesrandomsurface(s)withspatialdependence.
Raster⊲Generatesurfaces⊲Randomsurfacewithspatialdependence
r.randomCreatesarastermaplayerandvectorpointmapcontainingrandomlylocatedpoints.
Raster⊲Generaterandomcells⊲Randomcellsandvectorpoints
r.reclass.areaReclassesarastermapgreaterorlessthanuserspecifiedareasize(inhectares).
Raster⊲Changecategoryvaluesandlabels⊲Reclassifybysize
r.reclassCreatesanewmaplayerwhosecategoryvaluesarebaseduponareclassificationof
thecategoriesinanexistingrastermaplayer.
Raster⊲Changecategoryvaluesandlabels⊲Reclassify
r.recodeRecodescategoricalrastermaps.
Raster⊲Changecategoryvaluesandlabels⊲Recodeinteractively
r.regionSetstheboundarydefinitionsforarastermap.
Raster⊲Developrastermap⊲Regionboundaries
r.regression.lineCalculateslinearregressionfromtworastermaps:y=a+b*x.
Raster⊲Reportandstatistics⊲Linearregression
r.reportReportsstatisticsforrastermaplayers.
Raster⊲Reportandstatistics⊲Sumareabyrastermapandcategory
r.resamp.interpResamplesrastermaplayerstoafinergridusinginterpolation.
Raster⊲Developrastermap⊲Resampleusingmultiplemethods
r.resamp.rstReinterpolatesandoptionallycomputestopographicanalysisfrominputrastermap
toanewrastermap(possiblywithdifferentresolution)usingregularizedsplinewith
tensionandsmoothing.
Raster⊲Developrastermap⊲Resampleusingsplinetension
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r.resamp.statsResamplesrastermaplayerstoacoarsergridusingaggregation.
Raster⊲Developrastermap⊲Resampleusingaggregatestatistics
r.resampleGRASSrastermaplayerdataresamplingcapability.
Raster⊲Developrastermap⊲Resampleusingnearestneighbor
r.rescale.eqRescaleshistogramequalizedtherangeofcategoryvaluesinarastermaplayer.
Raster⊲Changecategoryvaluesandlabels⊲Rescalewithhistogram
r.rescaleRescalestherangeofcategoryvaluesinarastermaplayer.
Raster⊲Changecategoryvaluesandlabels⊲Rescale
r.rosGeneratesthree,orfourrastermaplayersshowing1)thebase(perpendicular)rateof
spread(ROS),2)themaximum(forward)ROS,3)thedirectionofthemaximumROS,
andoptionally4)themaximumpotentialspottingdistance.
Raster⊲Wildfiremodeling⊲Rateofspread
r.seriesMakeseachoutputcellvalueafunctionofthevaluesassignedtothecorresponding
cellsintheinputrastermaplayers.
Raster⊲Overlayrasters⊲Rasterseries
r.shaded.reliefCreatesshadedreliefmapfromanelevationmap(DEM).
Raster⊲Terrainanalysis⊲Shadedrelief
r.sim.sedimentSedimenttransportanderosion/depositionsimulationusingpathsamplingmethod
(SIMWE).
Raster⊲Hydrologicmodeling⊲SIMWESedimentfluxmodeling
r.sim.waterOverlandflowhydrologicsimulationusingpathsamplingmethod(SIMWE).
Raster⊲Hydrologicmodeling⊲SIMWEOverlandflowmodeling
r.slope.aspectGeneratesrastermaplayersofslope,aspect,curvaturesandpartialderivatives
fromarastermaplayeroftrueelevationvalues.Aspectiscalculatedcounterclock-
wisefromeast.
Raster⊲Terrainanalysis⊲Slopeandaspect
r.spreadSimulatesellipticallyanisotropicspreadonagraphicswindowandgeneratesaraster
mapofthecumulativetimeofspread,givenrastermapscontainingtheratesof
spread(ROS),theROSdirectionsandthespreadorigins.
Raster⊲Wildfiremodeling⊲Anisotropicspreadsimulation
r.spreadpathRecursivelytracestheleastcostpathbackwardstocellsfromwhichthecumulative
costwasdetermined.
Raster⊲Wildfiremodeling⊲Least−costspreadpaths
r.statisticsCalculatescategoryorobjectorientedstatistics.
Raster⊲Overlayrasters⊲Statisticaloverlay
r.statsGeneratesareastatisticsforrastermaplayers.
Raster⊲Reportandstatistics⊲Generalstatistics
r.sumSumsuptherastercellvalues.
Raster⊲Reportandstatistics⊲Sumcategoryvalues
r.sunSolarirradianceandirradiationmodel.
Raster⊲Solarradianceandshadows⊲Solarirradianceandirradiation
r.sunmaskCalculatescastshadowareasfromsunpositionandDEM.EitherA:exactsunposition
isspecified,orB:date/timetocalculatethesunpositionbyr.sunmaskitself.
Raster⊲Solarradianceandshadows⊲Shadowsmap
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r.support.statsUpdaterastermapstatistics.
Raster⊲Developrastermap⊲Updatemapstatistics
r.supportAllowscreationand/ormodificationofrastermaplayersupportfiles.
Raster⊲Developrastermap⊲Supportfilemaintenance
r.surf.areaSurfaceareaestimationforrasters.
Raster⊲Reportandstatistics⊲Totalcorrectedarea
r.surf.contourSurfacegenerationprogramfromrasterizedcontours.
Raster⊲Interpolatesurfaces⊲Rastercontours
r.surf.fractalCreatesafractalsurfaceofagivenfractaldimension.
Raster⊲Generatesurfaces⊲Fractalsurface
r.surf.gaussGRASSmoduletoproducearastermaplayerofgaussiandeviateswhosemeanand
standarddeviationcanbeexpressedbytheuser.Itusesagaussianrandomnumber
generator.
Raster⊲Generatesurfaces⊲Gaussiandeviatessurface
r.surf.idwSurfaceinterpolationutilityforrastermap.
Raster⊲Interpolatesurfaces⊲IDWfromrasterpoints
r.surf.idw2Surfacegenerationprogram.
r.surf.randomProducesarastermaplayerofuniformrandomdeviateswhoserangecanbeex-
pressedbytheuser.
Raster⊲Generatesurfaces⊲Randomdeviatessurface
r.terraflow.shortFlowcomputationformassivegrids(Integerversion).
r.terraflowFlowcomputationformassivegrids(Floatversion).
Raster⊲Hydrologicmodeling⊲Flowaccumulation
r.textureGenerateimageswithtexturalfeaturesfromarastermap.
Raster⊲Terrainanalysis⊲Texturalfeatures
r.thinThinsnon-zerocellsthatdenotelinearfeaturesinarastermaplayer.
Raster⊲Transformfeatures⊲Thin
r.tilesetProducestilingsofthesourceprojectionforuseinthedestinationregionandprojec-
tion.
Raster⊲Developrastermap⊲Tiling
r.timestampPrint/add/removeatimestampforarastermap.
Raster⊲Developrastermap⊲Timestamp
r.to.rast3Converts2Drastermapslicestoone3Drastervolumemap.
File⊲Maptypeconversions⊲Rasterseriestovolume
r.to.rast3elevCreatesa3Dvolumemapbasedon2Delevationandvaluerastermaps.
File⊲Maptypeconversions⊲Raster2.5Dtovolume
r.to.vectConvertsarastermapintoavectormaplayer.
File⊲Maptypeconversions⊲Rastertovector
r.topidxCreatestopographicindex[ln(a/tan(beta))]mapfromelevationmap.
Raster⊲Hydrologicmodeling⊲Topographicindexmap
r.topmodelSimulatesTOPMODELwhichisaphysicallybasedhydrologicmodel.
Raster⊲Hydrologicmodeling⊲TOPMODELsimulation
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r.transectOutputsrastermaplayervalueslyingalonguserdefinedtransectline(s).
Raster⊲Reportandstatistics⊲Sampletransects(bearing/distance)
r.univarCalculatesunivariatestatisticsfromthenon-nullcellsofarastermap.
Raster⊲Reportandstatistics⊲Univariaterasterstatistics
r.univar.shcalculatesunivariatestatisticsfromaGRASSrastermap.
r.volumeCalculatesthevolumeofdata’clumps’,and(optionally)producesaGRASSvector
pointsmapcontainingthecalculatedcentroidsoftheseclumps.
Raster⊲Reportandstatistics⊲Statisticsforclumpedcells
r.walkOutputsarastermaplayershowingtheanisotropiccumulativecostofmovingbe-
tweendifferentgeographiclocationsonaninputelevationrastermaplayerwhosecell
categoryvaluesrepresentelevationcombinedwithaninputrastermaplayerwhose
cellvaluesrepresentfrictioncost.
Raster⊲Terrainanalysis⊲Cumulativemovementcosts
r.water.outletWatershedbasincreationprogram.
Raster⊲Hydrologicmodeling⊲Watershedbasincreation
r.watershedWatershedbasinanalysisprogram.
Raster⊲Hydrologicmodeling⊲Watershedanalysis
r.what.colorQueriescolorsforarastermaplayer.
r.whatQueriesrastermaplayersontheircategoryvaluesandcategorylabels.
Raster⊲Querybycoordinates
Raster3Dcommands:
r3.cross.rastCreatescrosssection2Drastermapfrom3drastermapbasedon2Delevationmap.
Volumes⊲Crosssection
r3.gwflowNumericalcalculationprogramfortransient,confinedgroundwaterflowinthreedi-
mensions.
r3.in.asciiConverta3DASCIIrastertextfileintoa(binary)3Drastermaplayer.
File⊲Importgrid3Dvolume⊲ASCII3Dimport
r3.in.v5dimportof3-dimensionalVis5Dfiles(i.e.thev5dfilewith1variableand1timestep).
File⊲Importgrid3Dvolume⊲Vis5Dimport
r3.infoOutputsbasicinformationaboutauser-specified3Drastermaplayer.
Volumes⊲ReportandStatistics⊲Basicvolumemetadata
r3.mapcalcPerformsarithmeticon3Dgridvolumedata.
r3.mapcalculatorCalculatesnewgrid3Dvolumefromr3.mapcalcexpression.
r3.maskEstablishesthecurrentworking3Drastermask.
Volumes⊲3DMask
r3.mkdspfCreatesadisplayfilefromanexistinggrid3fileaccordingtospecifiedthresholdlev-
els.
r3.nullExplicitlycreatethe3DNULL-valuebitmapfile.
Volumes⊲Developvolumes⊲Manage3DNULLvalues
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r3.out.asciiConvertsa3DrastermaplayerintoanASCIItextfile.
File⊲Exportgrid3Dvolume⊲ASCII3Dexport
r3.out.v5dExportofGRASS3Drastermapto3-dimensionalVis5Dfile.
File⊲Exportgrid3Dvolume⊲Vis5Dexport
r3.out.vtkConverts3Drastermaps(G3D)intotheVTK-Asciiformat.
File⊲Exportgrid3Dvolume⊲VTKexport
r3.statsGeneratesvolumestatisticsforraster3dmaps.
r3.timestampPrint/add/removeatimestampfora3Drastermap.
Volumes⊲Developvolumes⊲Managetimestamp
r3.to.rastConverts3Drastermapsto2Drastermaps.
File⊲Maptypeconversions⊲Volumetorasterseries
r3.univarCalculatesunivariatestatisticsfromthenon-null3dcellsofaraster3dmap.
Vectorcommands:
v.bufferCreatesabufferaroundfeaturesofgiventype(areasmustcontaincentroid).
Vector⊲Buffervectors
v.build.allRebuildstopologyonallvectormapsinthecurrentmapset.
v.build.polylinesBuildspolylinesfromlinesorboundaries.
Vector⊲Developvectormap⊲Buildpolylines
v.buildCreatestopologyforGRASSvectormap.
Vector⊲Developvectormap⊲Createorrebuildtopology
v.categoryAttach,deleteorreportvectorcategoriestomapgeometry.
Vector⊲Changeattributes⊲Manageorreportcategories
v.centroidsAddsmissingcentroidstoclosedboundaries.
Vector⊲Developvectormap⊲Addcentroids
v.classClassifiesattributedata,e.g.forthematicmapping.
v.cleanToolsetforcleaningtopologyofvectormap.
Vector⊲Developvectormap⊲Cleanvectormap
v.colorsSetcolorrulesforfeaturesinavectorusinganumericattributecolumn.
Vector⊲Managecolors⊲Colortables
v.convert.allConvertalloldGRASS<Ver5.7vectormapsincurrentmapsettocurrentformat.
v.convertImportsolderversionsofGRASSvectormaps.
File⊲Importvectormap⊲OldGRASSvectorimport
v.db.addcolAddsoneormorecolumnstotheattributetableconnectedtoagivenvectormap.
Database⊲Managedatabases⊲Addcolumns
v.db.addtableCreatesandaddsanewattributetabletoagivenlayerofanexistingvectormap.
Database⊲Managedatabases⊲Newtable
v.db.connectPrints/setsDBconnectionforavectormaptoattributetable.
Database⊲Vectordatabaseconnections⊲Setvectormap−databaseconnection
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v.db.dropcolDropsacolumnfromtheattributetableconnectedtoagivenvectormap.
v.db.droptableRemovesexistingattributetableofavectormap.
v.db.joinAllowstojoinatabletoavectormaptable.
v.db.reconnect.allReconnectsvectorstoanewdatabase.
Database⊲Vectordatabaseconnections⊲Reconnectvectortodatabase
v.db.renamecolRenamesacolumnintheattributetableconnectedtoagivenvectormap.
Database⊲Managedatabases⊲Renamecolumn
v.db.selectPrintsvectormapattributes.
Database⊲Query⊲Queryvectorattributedata
v.db.univarCalculatesunivariatestatisticsonselectedtablecolumnforaGRASSvectormap.
v.db.updateAllowstoupdateacolumnintheattributetableconnectedtoavectormap.
Database⊲Managedatabases⊲Changevalues
v.delaunayCreatesaDelaunaytriangulationfromaninputvectormapcontainingpointsorcen-
troids.
Vector⊲Generateareasfrompoints⊲Delaunaytriangles
v.digitInteractiveeditinganddigitizationofvectormaps.
v.dissolveDissolvesboundariesbetweenadjacentareassharingacommoncategorynumberor
attribute.
Vector⊲Developvectormap⊲Dissolveboundaries
v.distanceFindsthenearestelementinvectormap’to’forelementsinvectormap’from’.
Vector⊲Nearestfeatures
v.drapeConvertsvectormapto3Dbysamplingofelevationrastermap.
Vector⊲Developvectormap⊲Create3Dvectoroverraster
v.editEditsavectormap,allowsadding,deletingandmodifyingselectedvectorfeatures.
Vector⊲Developvectormap⊲Editvectormap(non−interactively)
v.externalCreatesanewvectorasaread-onlylinktoOGRlayer.
File⊲Importvectormap⊲LinktoOGR
v.extractSelectsvectorobjectsfromanexistingvectormapandcreatesanewmapcontaining
onlytheselectedobjects.
Vector⊲Querywithattributes
v.extrudeExtrudesflatvectorobjectto3Dwithdefinedheight.
Vector⊲Developvectormap⊲Extrude3Dvectormap
v.generalizeVectorbasedgeneralization.
Vector⊲Developvectormap⊲Smoothorsimplify
v.hullUsesaGRASSvectorpointsmaptoproduceaconvexhullvectormap.
Vector⊲Generateareasfrompoints⊲Convexhull
v.in.asciiCreatesavectormapfromASCIIpointsfileorASCIIvectorfile.
File⊲Importvectormap⊲ASCIIpoints/GRASSASCIIvectorimport
v.in.dbCreatesnewvector(points)mapfromdatabasetablecontainingcoordinates.
Vector⊲Generatepoints⊲Generatefromdatabase
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v.in.dxfConvertsfilesinDXFformattoGRASSvectormapformat.
File⊲Importvectormap⊲DXFimport
v.in.e00ImportE00fileintoavectormap.
File⊲Importvectormap⊲ESRIe00import
v.in.garminDownloadwaypoints,routes,andtracksfromaGarminGPSreceiverintoavector
map.
File⊲Importvectormap⊲GarminGPSimport
v.in.geonamesImportsgeonames.orgcountryfilesintoaGRASSvectorpointsmap.
File⊲Importvectormap⊲Geonamesimport
v.in.gnsImportsUS-NGAGEOnetNamesServer(GNS)countryfilesintoaGRASSvector
pointsmap.
File⊲Importvectormap⊲GEOnetimport
v.in.gpsbabelImportwaypoints,routes,andtracksfromaGPSreceiverorGPSdownloadfile
intoavectormap.
File⊲Importvectormap⊲GPSBabelGPSimport
v.in.mapgenImportMapgenorMatlabvectormapsintoGRASS.
File⊲Importvectormap⊲MatlabandMapGenimport
v.in.ogrConvertOGRvectorlayerstoGRASSvectormap.
File⊲Importvectormap⊲ImportvectordatausingOGR
v.in.regionCreateanewvectorfromthecurrentregion.
Vector⊲Generateareaforcurrentregion
v.in.sites.allConvertsalloldGRASS<Ver5.7sitesmapsincurrentmapsettovectormaps.
v.in.sitesConvertsaGRASSsite_listsfileintoavectormap.
File⊲Maptypeconversions⊲Sitestovector
v.in.wfsImportGetFeaturefromWFS.
v.infoOutputsbasicinformationaboutauser-specifiedvectormap.
Vector⊲Reportsandstatistics⊲Basicvectormetadata
v.kcvRandomlypartitionpointsintotest/trainsets.
Vector⊲Test/trainingpointsets
v.kernelGeneratesarasterdensitymapfromvectorpointsdatausingamoving2Disotropic
Gaussiankerneloroptionallygeneratesavectordensitymaponvectornetworkwith
a1Dkernel.
Raster⊲Generatesurfaces⊲Gaussiankerneldensitysurface
v.label.saCreateoptimallyplacedlabelsforvectormap(s).
v.labelCreatespaintlabelsforavectormapfromattachedattributes.
Vector⊲Developvectormap⊲Createlabels
v.lidar.correctionCorrectionofthev.lidar.growingoutput.Itisthelastofthethreealgorithms
forLIDARfiltering.
Vector⊲Lidaranalysis⊲Correctandreclassifyobjects
v.lidar.edgedetectionDetectstheobject’sedgesfromaLIDARdataset.
Vector⊲Lidaranalysis⊲Detectedges
19
v.lidar.growingBuildingcontourdeterminationandRegionGrowingalgorithmfordetermining
thebuildinginside.
Vector⊲Lidaranalysis⊲Detectinteriors
v.lrs.createCreateLinearReferenceSystem.
Vector⊲Linearreferencing⊲CreateLRS
v.lrs.labelCreatestationingfrominputlines,andlinearreferencesystem.
Vector⊲Linearreferencing⊲Createstationing
v.lrs.segmentCreatespoints/segmentsfrominputlines,linearreferencesystemandpositions
readfromstdinorafile.
Vector⊲Linearreferencing⊲Createpoints/segments
v.lrs.whereFindslineidandrealkm+offsetforgivenpointsinvectormapusinglinearreference
system.
Vector⊲Linearreferencing⊲Findlineidandoffset
v.mkgridCreatesaGRASSvectormapofauser-definedgrid.
Vector⊲Generategrid
v.neighborsMakeseachcellvalueafunctionoftheattributevaluesassignedtothevectorpoints
orcentroidsaroundit,andstoresnewcellvaluesinanoutputrastermaplayer.
Raster⊲Neighborhoodanalysis⊲Neighborhoodpoints
v.net.allocAllocatesubnetsfornearestcentres(directionfromcentre).
Vector⊲Networkanalysis⊲Allocatesubnets
v.net.isoSplitsnetbycostisolines.
Vector⊲Networkanalysis⊲Splitnet
v.net.pathFindsshortestpathonvectornetwork.
Vector⊲Networkanalysis⊲Shortestpath
v.net.salesmanCreatesacycleconnectinggivennodes(Travelingsalesmanproblem).
Vector⊲Networkanalysis⊲Travelingsalesmananalysis
v.net.steinerCreateSteinertreeforthenetworkandgiventerminals.
Vector⊲Networkanalysis⊲Steinertree
v.net.visibilityVisibilitygraphconstruction.
Vector⊲Networkanalysis⊲Visibilitynetwork
v.netPerformsnetworkmaintenance.
Vector⊲Networkanalysis⊲Networkmaintenance
v.normalTestsfornormalityforpoints.
Vector⊲Reportsandstatistics⊲Testnormality
v.out.asciiConvertsaGRASSbinaryvectormaptoaGRASSASCIIvectormap.
File⊲Exportvectormap⊲ASCIIpoints/GRASSASCIIvectorexport
v.out.dxfExportsGRASSvectormaplayerstoDXFfileformat.
File⊲Exportvectormap⊲DXFexport
v.out.gpsbabelExportsavectormaptoaGPSreceiverorfileformatsupportedbyGpsBabel.
File⊲Exportvectormap⊲MultipleGPSexportformatsusingGPSBabel
v.out.ogrConvertstooneofthesupportedOGRvectorformats.
File⊲Exportvectormap⊲MultipleexportformatsusingOGR
20
v.out.povConvertstoPOV-Rayformat,GRASSx,y,z->POV-Rayx,z,y.
File⊲Exportvectormap⊲POV−Rayexport
v.out.svgExportsaGRASSvectormaptoSVG.
File⊲Exportvectormap⊲SVGexport
v.out.vtkConvertsaGRASSbinaryvectormaptoVTKASCIIoutput.
File⊲Exportvectormap⊲VTKexport
v.outlierRemovesoutliersfromvectorpointdata.
Vector⊲Removeoutliersinpointsets
v.overlayOverlaystwovectormaps.
Vector⊲Overlayvectormaps⊲Overlayvectormaps
v.parallelCreatesparallellinetoinputvectorlines.
Vector⊲Developvectormap⊲Parallellines
v.patchCreateanewvectormaplayerbycombiningothervectormaplayers.
Vector⊲Overlayvectormaps⊲Patchvectormaps
v.perturbRandomlocationperturbationsofGRASSvectorpoints.
Vector⊲Generatepoints⊲Perturbpoints
v.projAllowsprojectionconversionofvectormaps.
Vector⊲Developvectormap⊲Reprojectvectormap
v.qcountIndicesforquadratcountsofsiteslists.
Vector⊲Reportsandstatistics⊲Quadratindices
v.randomRandomlygeneratea2D/3Dvectorpointsmap.
Vector⊲Generatepoints⊲Generaterandompoints
v.rast.statsCalculatesunivariatestatisticsfromaGRASSrastermapbasedonvectorpolygons
anduploadsstatisticstonewattributecolumns.
Vector⊲Updateareaattributesfromraster
v.reclassChangesvectorcategoryvaluesforanexistingvectormapaccordingtoresultsofSQL
queriesoravalueinattributetablecolumn.
Vector⊲Changeattributes⊲Reclassify
v.reportReportsgeometrystatisticsforvectors.
Vector⊲Reportsandstatistics⊲Reporttopologybycategory
v.sampleSamplesarastermapatvectorpointlocations.
Vector⊲Updatepointattributesfromraster⊲Samplerasterneighborhoodaroundpoints
v.segmentCreatespoints/segmentsfrominputvectorlinesandpositions.
Vector⊲Developvectormap⊲Splitpolylines
v.selectSelectsfeaturesfromvectormap(A)byfeaturesfromothervectormap(B).
Vector⊲Querywithanothervectormap
v.splitSplitlinestoshortersegments.
v.supportUpdatesvectormapmetadata.
v.surf.bsplineBicubicorbilinearsplineinterpolationwithTykhonovregularization.
Raster⊲Interpolatesurfaces⊲Bilinearandbicubicfromvectorpoints
21
v.surf.idwSurfaceinterpolationfromvectorpointdatabyInverseDistanceSquaredWeighting.
Raster⊲Interpolatesurfaces⊲IDWfromvectorpoints
v.surf.rstSpatialapproximationandtopographicanalysisfromgivenpointorisolinedatain
vectorformattofloatingpointrasterformatusingregularizedsplinewithtension.
Raster⊲Interpolatesurfaces⊲Regularizedsplinetension
v.to.3dPerformstransformationof2Dvectorfeaturesto3D.
File⊲Maptypeconversions⊲2Dvectorto3Dvector
v.to.dbPopulatesdatabasevaluesfromvectorfeatures.
Vector⊲Reportsandstatistics⊲Uploadorreporttopology
v.to.pointsCreatepointsalonginputlinesinnewvectorwith2layers.
Vector⊲Generatepoints⊲Generatepointsalonglines
v.to.rastConvertsabinaryGRASSvectormapintoaGRASSrastermap.
File⊲Maptypeconversions⊲Vectortoraster
v.to.rast3ConvertsabinaryGRASSvectormap(onlypoints)layerintoa3DGRASSrastermap
layer.
File⊲Maptypeconversions⊲Vectortovolume
v.transformPerformsanaffinetransformation(shift,scaleandrotate,orGPCs)onvectormap.
Vector⊲Developvectormap⊲Repositionvectormap
v.typeChangethetypeofgeometryelements.
Vector⊲Developvectormap⊲Convertobjecttypes
v.univarCalculatesunivariatestatisticsforattribute.Varianceandstandarddeviationiscal-
culatedonlyforpointsifspecified.
Vector⊲Reportsandstatistics⊲Univariateattributestatistics
v.univar.shCalculatesunivariatestatisticsonselectedtablecolumnforaGRASSvectormap.
v.vol.rstInterpolatespointdatatoaG3Dgridvolumeusingregularizedsplinewithtension
(RST)algorithm.
Volumes⊲Interpolatevolumefrompoints
v.voronoiCreatesaVoronoidiagramfromaninputvectormapcontainingpointsorcentroids.
Vector⊲Generateareasfrompoints⊲Voronoidiagram/Thiessenpolygons
v.what.rastUploadsrastervaluesatpositionsofvectorpointstothetable.
Vector⊲Updatepointattributesfromraster⊲Samplerastermapsatpointlocations
v.what.vectUploadsvectorvaluesatpositionsofvectorpointstothetable.
Vector⊲Updatepointattributesfromareas
v.whatQueriesavectormaplayeratgivenlocations.
Vector⊲Querywithcoordinate(s)
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