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附录1ARC/INFO
7.0forUNIX常用命令汇编附录汇编了ARC/INFO的常用命令,加下划线者为特别常用的命令每一条命令的具体用法可查阅ARC/INFO在线帮助,方法是在UNIXCshell下健入arcdoc命令或在任何ARC/INFO模块下键入help命令ARC模块命令ADDI__GEaddsani__getoani__gecatalog.ADDITEMaddsablankorzeroitemtoanINFOdatafile.ADDXYaddsxycoordinatesoflabelsorpointstothecoveragePATorxycoordinateofnodestothecovergeNAT.ARCissuedfromtheOSandbeginsexecutionoftheARCsystem.ARCDXYconvertsARC/INFOcoveragesintoanAUTOCADDrawingInterchangefileDXY.AR__DITstarttheAR__DIT.ARCPLOTstarttheARCPLOT.ARCPOINTconvertsacoveragecontaingarcspointsorbothtoapointcoverage.ARCTINconvertsacoveragecontainingarcspointsorbothtoatin.ARCTOOLSinvokestheARC/INFOmenuinte_____.ASCIIGRIDconvertsanASCIIfiletoagrid.BUFFERcreatesbufferpolygonsaroundspecifiedinputcoveragefeatures.BUILDcreatesorupdatesafeatureattributetableforacoverage.ClEANgeneratesacoveragewithcorrectpolygonorarc-nodetopology.TodothisCleaneditsandcorrectsgeometriccoordinateerrorsassemblesarcsintopolygonsandfeatureattributeinfor__tionforeachpolygonorarccreatesaPATorAAT.CLIPextractsthosefeaturefromtheinputcoveragethatoverlapwiththeclipcoverage.COM__NDSlists__ailablecom__ndsinARCorjustthosebeginwithaspecifiedprefix.CONVERTI__GEconvertsaninputi__geintothespecifiedoutputfor__tcreatinganewi__ge.COPYcopyageographicdataset.Allinfor__tionassociatedwiththegeographicdatasetiscopyed.COPYWORKSPA__copiesallfilesanddirectoriesunderoneworkspa__toanother.CREATEcreateanemptycoverage.CREATECATALOGcreatesani__gecatalog.CREATELABELScreateslabelpointsforcoveragepolygons.User-IDsforthenewlabelpointsareauto__ticallyassigned.CREATETINcreatesatinfrommultipleinputsour__sincluding:pointlineandpolygoncoveragespointsandbreaklinesinxyzGENERATEinputfilesandbreaklineswithzvaluesinterpolatedfromalatti__.CREATEWORKSPA__createsaworkspa__withanINFOsubdirectory.DBASEINFOcopiesaDBASEdatafileintoanINFOdatafile.DELETETICdeletesselectedticsfromacoverage’sTICfile.DESCRIBEprovidesadetaileddescriptionofageographicdatasetanditscontents.DESCRIBELATTI__describesthecontentsofalatti__.DESCRIBETINdescribesthecontentsofatin.DIGITIZERsetsthedigitizerdevi__andconfigurestheserialporttowhichthedigitizerdevi__isattached.DIGTESTtestsanewdigitizerinte_____file.DIRECTORYliststhecoveragesINFOfilesTINsGRIDsstacksandi__gesinaworkspa__andfeatureclassesinacoverage.DISPLAYsetsthedisplaydevi__andpositionsthegraphicdisplaywindow.DXFARCconvertsanAutoCADDrawingExchabgeFileDXFintoanARC/INFOcoverge.DXFINFOreadsanAutoCADDrawingExchabgeFileDXFanddisplaysinfor__tionaboutit.EXPORTconvertsacovergefileorothersupporteddatasettoaninterchangefilefortransfertoanotherplatformrunningARC/info.FILTERfiltersalatti__bypassinga3*3filteroverthelatti__.FLOATGRIDconvertsafileofbinaryfloatingpointnumbersintoagrid.FORMEDITstartsthegraphicalformeditorforAMLformmenus.GENERALIZEweedsverti__swithincoveragearcsusingthespecifiedweedtoleran__.GENERATEaddsfeaturestoacoverage.Coordinatesforeachfeature__ybeenteredfromtheterminalorfromafile.GRIDstartstheGRID__ll-basedgeopro__ssingprogram.GRIDASCIIconvertsagridtoanASCIIfile.GRIDCLIPclipsagridtoabox.GRIDI__GEconvertsagridorsetofgridsintothespecifiedoutputgrid.GRIDLINEconvertsagridrepresentingrasterlinearfeaturetoalinecoverage.GRIDPOINTconvertsagridrepresentingrasterpointfeaturetoapointcoverage.GRIDPOLYconvertsagridtoapolygoncoverage.Polygonsarebuildfromgroupsofcontiguous__llsh__ingthesame__llvalue.HELPstartsARCDOCtheonlinedocumentationsystemforARC/INFO.HILLSHADEcreatesashadedreliefgridfromalatti__byconsideringtheilluminationangleofthesunandshadows.I__GEGRIDconvertsani__geintoagridorsetofgrids.IMPORTconvertsanARC/INFOexportinterchangefile.INFOstartstheINFOsubsystemforARC.INFODBASEcopiesanINFOdatafiletoaDBASEdatafile.ITEMSlistsanddescribestheitemsforallrecordsofthespecifiedINFOdatafile.JOINITEMmergestwoINFOdatafilesbasedonashareditem.KILLdeletesageographicdataset.LABELERRORSreportspolygonlabelerrorstothescreen.LATTI__CLIPcreatesalatti__definedbytheoverlapbetweenalatti__andapolygoncoverage.LATTI__CONTOURconvertsalatti__toacoveragecontainingcontoursorisolines.LATTI__OPERATEoperatesonasinglelatti__orperformsa__the__ticaloperationbetweentwolatti__.LATTI__POLYconvertsalatti__toapolygoncoverageclassifiedforslopeaspectelevationrangedatavs.NODATAorextent.LATTI__RESAMPLEresamplesalatti__toanotherbyinterpolation.LATTI__TINconvertsalatti__toatin.Pointsareselectedtoachieveaspecifiederror.LIBRARIANstartstheARC/INFOLIBRARIANprogram.LINEGRIDcreatesagridfromlinefeaturesinanARC/INFOcoverage.LISTlistsitemsvaluesforallrecordsinthespecifiedINFOdatafile.LISTCOVERAGESliststheARC/INFOcoveragescontainedinaworkspa__andoptionallytheirstatusorprecision.LISTGRIDSliststhegridscontainedinaworkspa__.LISTI__GESliststhei__gescontainedinadirectory.LISTTINSdisplaysallthetinsinthecurrentorspecifiedworkspa__.__PJOINcombinesupto500adja__ntcoveragescontainingpolygonornetworkedfeaturesintoonecovergesandrecreatestopology.__TCHNODE__tchesnodestoeachotherinacoverageoroptionallytodesiredpointlocations.NODEERRORSliststhenodesofacoveragewhichh__epotentialerrors.PLOTICONconvertsanARC/INFOmetafileintoaniconfilethatcanbeusedinaformmenu.POINTGRIDcreatesagridfrompointfeaturesinanARC/INFOcoverage.POLYGRIDcreatesagridfrompolygonsinanARC/INFOcoverage.PROJECTprojectscoordinatesbetweentwo__pprojections.PROJECTCOPYcopiestheprojectionfilefromasour__ofonedatatypetoatargetofthesameordifferenttype.PROJECTDEFINEinteractivedialogforenteringtheprojectioninfor__tionforadataset.PULLITEMcopiesasubsetofitemsanddatafromanexistingINFOdatafiletoanewINFOdatafile.QUITstopsexecutionoftheARCsystemandreturnscontroltothecomputer’soperatingsystem.REGISTERinitiatesaninteractiveprogramthatallowstheusertogeoreferen__ani__ge.RENAMEchangesthenameofageographicdataset.RENAMEWORKSPA__renamesaworkspa__.RESELECTextracts__pfeaturesfromtheinputcoveragebasedontheirattributevalues.SPLITbreaksacoverageinto__nycoverages.STATISTICSgeneratessum__rystatisticsforitemsinanINFOdatafileands__estheminanoutputINFOdatafile.SU_____LENGTHcomputesthesu_____lengthofeacharcinalinecoverage.TABLESstartstheTABLESprogram.TABLESallowsforcreationquery__________ysisanddisplayofanINFOdatabase.THIESSENconvertsapointcoveragetoacoverageofThiessenorproxi__lpolygons.TINARCconvertsatintoanARC/INFOcoverage.TINCONTOURconvertsatintoalinecoveragecontainingcontours.TINLATTI__convertsatintoalatti__byinterpolationofmeshpoints.TOLERAN__usedtosetandexaminethetoleran__scurrentlyassociatedwithacoverage.TOPOGRIDgeneratesahydrologicallycorrectgridofelevationfrompointlineandpolygoncoverages.TRANSFORMchangescoveragecoordinatesusinganaffineoraprojectivetransfor__tionbasedonasetofcontrolpointstics.TUTORIALstartstheARC/INFOonlinetutorial.ThistutorialisintendedasanintroductiontoARC/INFOfornewusers.GENERATEcreatesatextfileofxycoordinatesforacoverage.Theoutputtextfileisinafor__tthatisreadablebyUNGENERATETINconvertsatintotwofilescontainingpointsandlinesortoaNETfilecontainingnodesedgesand________s.VIPconvertsalatti__toapointcoverage;pointsareselectedbasedupontheirsignifican__indescribingthesu_____morphology.WORKSPA__liststhecurrentworkspa__orattachestotheworkspa__ofthepathnametoagivenworkspa__.AR__DIT模块命令ADDaddsnewfeaturestothecurrenteditcoverageandnewrecordstothecurrenteditINFOfile.ADDITEMaddsitemstothebottomofthecurrentfilebeingedited.ARCPLOTallowsyoutoenterasingleARCPLOTcom__ndoruseadialogprompttoexecutemutipleARCPLOTcom__nds.ARCSNAPturnsarcsnapingonoroffandspecifiesadistan__withinwhicharcendswillbesnappedtoexistingarcs.ASELECTaddsselectedfeaturesorINFOrecordstothecurrentlyselectedsetoffeatures.BUILDcreatesorrebuildspolygontopology.CALCULATEcalculatesandassignsvaluestoanitem.CLEANcreatesorrebuildspolygontopologyandcorrectsintersectionerrorsdanglesandovershoots.CLEARerasesthegraphicdisplay.COORDINATEspecifiesthemodeofinteractivecoordinateentryforAR__DITcom__ndsthatrequirecoordinateinput.COPYcopiesselectedcoveragefeaturestoanewlocationorcopiesselectedINFOrecordstothebottomoftheeditINFOfile.CREATEcreatesanewcoverageorINFOfile.CURSORcontrolsthecursortodisplayandeditaselectedsetoffeatureattributesINFOfilerecordsandrelatedrecords.DBASEINFOcopiesaDBASEdatafiletoanINFOdatafile.DELETEdeletesallcurrentlyselectedfeaturesfromtheeditcoverage.DENSIFYaddsverti__stoselectedarcsatauser-specifiedtoleran__.DISPLAYsetsthedisplaydevi__andopensthegraphicsdisplaypage.DISTAN__claculatesanddisplaysthedistan__betweentwospecifiedpoints.DRAWdisplaysfeaturesspecifiedbythecurrentdrawenviro__entforthecurrenteditcoverageandallbackgroundcoverages.DRAWENVIRO__ENTspecifiedwhichfeatureclasseswillbedisplayedwiththeDRAWcom__nd.EDITspecifiesthecoverageorINFOfiletobeedited.EDITDISTAN__specifiestheeditsearchtoleran__usedforfeatureselection.EDITFEATUREspecifiesthefeatureclasstobeedited.EXTENDextendsselecteddanglingarcsuptothespecifieddistan__sothattheyintersectexistingarcs.FORMSallowsyoutoeditattributesusinganattributeeditingformmenu.GENERALIZEweedsverti__sfromselectedarcsusingaspecifiedtoleran__.GETcopiesallfeaturesofthecurrenteditfeatureclassfromthespecifiedcoverage.ItalsocopiesINFOrecordsfromaspecifiedINFOfiletothecurrenteditINFOfile.GRAINspecifiesthedistan__betweenadja__ntverticsonaSPLINEdarccurveswithinanADDedarcthespacingbetweenidentitylinkswhenLIMITADJUSTisusedandthedefaulttoleran__forDENSIFY.I__GEaddsi__gestothebackgrounddrawenviro__ent.INTERSECTARCScalculatesarcintersectionsandaddsnodesforADDorallarccoordinateoperations.__PEXTENTspecifiestheareaofthecoveragetobedrawn.MOVEmovesthecurrentlyselectedfeaturestoanewuse-specifiedlocation.MOVEITEMmovesthecontentsofacharacterstringorasour__itemtoatargetitemintheattributetablefortheselectedo__ects.NODESNAPspecifiedthesearchmethordandtolean__usedfornodesnapping.OOPSwillundoanychange__detothefeaturesofthecurrenteditcoverage.PUTScopiesaelectedfeaturesintoacoverageorselectedINFOrecordsintoanINFOfile.QUITquitstheAR__DIT.S__Es__eschanges__detoaneditcoverageorINFOfileintoitselforintoanewcoverageorINFOfile.SELECTselectsfeaturesorINFOrecordstoedit.SETINCREMENTspecifiesthenumberbywhichUser-IDsaretobeincrementedwhenADDingnewfeatures.SHOWliststhecharacteristicsofAR__DITenviro__entsandtheattributesodeditcoveragefeatures.SORTsortsINFOrecordsononeormoreitems.SPLINE__oothsorgeneralizesallcurrentlyselectedarcsusingtheGRAINtoleran__.SPLINEMETHODspecifieswhichalgorithmwillbeusedforsplining.SPLITsplitsapolygonregionrouteorarcintomutiplefeatures.STATUSprovidesinfor__tionaboutcurrentsettingsandenviro__ents.TRANSFERcopiestheattributesfromonefeaturetoanotherfeature.UNDELETErestoresdeletedorchangedfeaturestotheeditcoverage.UNSELECTremovesselectedfeaturesorINFOrecordsfromthecurrentlyselectedset.UNSPLITcombinesarcswhichshareapseudonodebyremovingthenode.UPDATEeditstheattributesofafeature.WEEDTOLERAN__specifiestheminimumdistan__betweenverti__sforaddedarcs.WHEREdisplaysthexylocationofthecursorincoverageunitsorpla__sanXonthegraphicsdisplayatthetoleran__ofthecursor.WHOdisplaysallcurrentlyselectedfeaturesby__kingthem‘flash’andlistsinfor__tionaboutthem.ARCPLOT模块命令ARCallowstheexecutionofanyARCcom__ndwithintheARCPLOTprogram.ARCSdrawsarcsusingthecurrentlinesymbol.ARCTOOLSinvokestheARC/INFOmenuinte_____.AREAmeasuresaspecifiedareaonascreen__pdisplay.ASELECTaddsrecordstothecurrentlyselectedsetofthespecifiedo__ect.AXISdrawsanaxisofagraphinthecurrentlinesymbol.AXISRULERdrawsaruleralongthecurrentgraphaxisinthecurrentlineandtextsymbol.BLACKOUTerasesthespecifiedregionofthedisplaybyoverplottingwithashadedboxdrawnwiththebackgroundcolor.BOXdrawsaboxusingthecurrentlinesymbol.__LLVALUEreturnsthevalueandattributesforthe__llcontainingaspecifiedpoint.CIRCLEdrawsacircleusingthecurrentlinesymbol.CLEARclearsthegraphicsterminalscreen.CLEARSELECTclearsallselectedsetsortheselectsetofthespecifiedo__ect.COLORsetstheparametersofthehardwaredevi__colorindex.DISPLAYsetsthedisplaydevi__orcreatesanoutputfileforgeneratingahardcopy__p.DRAWdrawsalinebetweentwopointsusingthecurrentlinesymbol.DROPLINEdrawsboundariesbetweenpolygonswithdifferentitemvalue.DXFdrawsadxffile.FORMSallowsyoutoeditattributesusinganattributeeditingformmenu.GRAPHBARdrawsabargraphusingthespecifiedlinesymbol.GRAYSHADEestablishesagrayscaleasasetofshadesymbols.GRIDCOMPOSITEdisplaythreegridsasacompositei__ge.GRIDDIRECTIONdrawsarrowswhosedirectionisdeterminedbythevaluesofgrid__lls.GRIDNETdrawsafishnetormeshoflinesdelibeatingtheboundaryof__llsinagridortheboundaryofagrid.GRIDNODATASYMBOLsetstheshadesymbolorcolor__pindexfordisplayinggrid__llswithNODATAGRIDPAINTdisplaysagridusingthespecifieditemvaluestretchorre__p_tableandacolor__p_file.GRIDQUERYdisplaysthesetof__llsinagridthatstatisfiesalogicalexpressionusingthecurrentshadeset.GRIDSHADESshadesagridusingthespecifieditemvaluestretchorre__ptabletodeterminecolorfromthecurrentshadeset.IDENTIFYliststheattributesofacoveragefeatureoreventselectedonthe__pdisplay.I__GEdisplaysarasteri__georagroupofi__gesfromani__gecatalog.I__GEVIEWinitiatesaseparatei__gedisplaywindow.KEYANGLEsetstheangleofthekeylegend.KEYAREAspecifiestheareaonthegraphicspagewherethekeylegendwillbedrawn.KEYBOXsetsthesizeofkeylegendboxes.KEYLINEdrawsakeylegendforlinesymbols.KEY__RKERdrawsakeylegendfor__rkersymbols.KEYPOSITIONresetsthestaringpointofakeylegendwithinthekeyarea.KEYSEPARATIONsetsthedistan__sbetweenboxsandtextinakeylegend.KEYSHADEdrawsakeylegendforshadesymbols.KILL__Pdeletesa__pcomposition.LABELERRORSdrawspolygonsthath__elebelpointerrors.LABEL__RKERSdrawspolygonlabelpointsusingitemvaluesas__rkersymbolnumbers.LABELSdrawspolygonlabelpointsusingthecurrent__rkersymbol.LABELTEXTlabelspolygonlabelpointsusingitemvaluesaslabeltext.LENGTHmeasuresaspecifiedlinelengthonthescreen__pdisplay.LIBRARYselectsa__plibraryorasetof__plibraries.LINEdrawsalinebetweentwoormorepointsusingthecurrentlinesymbol.LINECOLORsetsthecolorofthecurrentlinesymbol.LINEDELETEdeletesthespecifiedlinesymbol.LINEEDITaninteractivemenuinte_____tocreateandeditlinesymbols.LINESETspecifiesthelinesetfilethatwillbeused.LINESIZEsetsthewidthofthecurrentlinesymbol.LINESYMBOLselectsthecurrentlinesymbolfromthecurrentlinesetfile.__LIGNalignsselected__pelementsonthegraphicspageina__pcomposition.__Pcreatesopensorclosesa__pcomposition.__PANGLEsetsthe__panglerelativetothegraphicspage.__PEXTENTspecifiesthecoverageareatobeshownonthe__p.__PPOSITIONsetsthe__ppositiononthegraphicspage.__PSCALEspecifiesthe__pscaleatwhich__pswillbedrawn.__PUNITSspecifiesthecoveragecoordinateunits.__RKERdrawsthecurrent__rkersymbol.__RKERANGLEsetstheangleofthecurrent__rkersymbol.__RKERCOLORsetsthecolorofthecurrent__rkersymbol.__RKERDELETEdeletesthespecified__rkersymbol.__RKEREDITaninteractivemenuinte_____tocreateandedit__rkersymbols.__RKERSETspecifiesthe__rkeresetfilethatwillbeused.__RKERSIZEsetsthesizeofthecurrent__rkersymbol.__RKERSYMBOLselectsthecurrent__rkersymbolfromthecurrent__rkersetfile.__SELECTaddsoneormore__pelementstothecurrentlyselectedset.MCOPYcopiesselected__pelementsintothespecified__pcomposition.MDELETEdeletesthecurrentlyselected__pelements.MEASUREmeasuresaspecifiedlocationlengthareaorroutemeasureonascreen__pdisplay.MENDclosesthe__pelements.MFITredu__sorenlargestheselected__pelementsintoaspecifiedbox.MFRESHredrawsthecurrent__pcompositiononthescreen.MGROUPgroupstheselected__pelementsintoone__pelements.MINFOlistsallthe__pelementsinthecurrentorspecified__pcomposition.MMOVEmovesthecurrentlyselected__pelementstoanewposition.MORDERreordersthesequen__of__pelementsina__pcomposition.MOVEspecifiesacoordinatepointusedtopositionthecursorandtextdrawnwithTEXTandTEXTFILE.MROTATErotatesandifdesiredmovesandscalesselected__pelements.MSCALEscalestheselected__pelementsbyaspecifiedscalefactor.MSELECTselectsoneormore__pelements.NEATLINEdrawsa__pneatlineinthespecifiedprojection.NEATLINEGRIDdrawsa__pgridorprojectiongraticulewithinthecurrentneatline.NEATLINEHATCHdrawshatch__rksaroundthecurrentneatlineatagivenintervalandsize.PAGEEXTENTspecifiestheareaofthegraphicspagetobedisplayed.PAGESIZEspecifiesthesizeofthegraphicspage.PAGEUNITSspecifiestheunitsofthegraphicspage.PATCHdrawsaboxshadeedwiththecurrentshadesymbol.PLOTdrawsaCGMfileagraphicsfilea__pcompositionora__pelement.POINT__RKERSdrawspointfeaturesusingitemvaluesas__rkersymbolnumbers.POINTSdrawspointfeaturesusingthecurrent__rkersymbol.POLYGONSdrawspolygonboundariesusingthecurrentlinesymbol.POLYGONSHADESshadespolygonsusingitemvaluesasshadesymbolnumbers.POLYGONTEXTlabelspolygonsusingitemvaluesaslabeltext.QUITquitstheARCPLOTsession.SCREENRESTOREdisplaysas__edrasteri__geonthescreen.SCREENS__Es__esthecurrentscreendisplayasas__edrasteri__georanEPSfile.SHADEdrawsapolygonshadedwiththecurrentshadesymbol.SHADEANGLEsetstheangleofthecurrentshadesymbol.SHADECOLORsetsthecolorofthecurrentshadesymbol.SHADEDELETEdeletesthespecifiedshadesymbol.SHADEEDITaninteractivemenuinte_____tocreateandeditshadesymbols.SHADESETspecifiestheshadesetfilethatwillbeused.SHADESYMBOLselectsthecurrentshadesymbolfromthecurrentshadesetfile.SPOTdrawsacircleshadewiththecurrentshadesymbol.TEXTdrawsatextstringusingthecurrenttextsymbol.TEXTALIG__ENTspecifiesthetextblockalig__entwithinitself.TEXTANGLEsetstheangleofthecurrenttextsymbol.TEXTCOLORsetsthecolorofthecurrenttextsymbol.TEXTDELETEdeletesthespecifiedtextsymbol.TEXTDIRECTIONspecifiestheorientationofthetextflow.TEXTEDITaninteractivemenuinte_____tocreateandedittextsymbols.TEXTFILEdrawsthecontentsofanASCIItextfile.TEXTFITdrawstextbetweenteopointsandadjuststhetextspacingtofitthetextwiththepoints.TEXTFONTsetsthefontofthecurrenttextsymbol.TEXTSETspecifiesthetextsetfilethatwillbeused.TEXTSIZEsetsthesizeofthecurrenttextsymbol.TEXTSPACINGcontrolsthecharacterandlinespacingofthecurrenttextsymbol.TEXTSYMBOLselectsthecurrenttextsymbolfromthecurrenttextsetfile.WEEDDRAWspecifieswhetherlinegeneralizationwillbeperformedwhenarcsaredrawn.GRID模块命令ADDTOSTACKaddsoneormoregridstoastack.APallowsentryofARCPLOTcom__ndsdirectlyfromtheGRID:prompt.ARCTOOLSinvokestheARC/INFOmenuinte_____.BUILDSTAbuildsastatisticsfileSTAforagridbasedupontheVALUEitem.BUILDVATbuildsavalueattributetableVATforagrid.__LLVALUEreturnsthevalueandattributesforthe__llcontainingaspecifiedpoint.COPYcopiesagrid.COPYSTACKcopiesastackincludingitscomponentgridstoanewstack.CORRELATIONcalculatesthecrosscorrelationbetweentwoinputgridsandprintsthecorrelationcoefficienttothescreen.DROPFROMSTACKeliminatesoneormoregridsfromastack.FORMEDITstartsthegraphicalformeditorforAMLformmenus.GRIDCOMPOSITEdisplaythreegridsasacompositei__ge.GRIDEDITthegrideditingcom__ndprefix.GRIDNODATASYMBOLsetstheshadesymbolorcolor__pindexfordisplayinggrid__llswithNODATA.GRIDPAINTdisplaysagridusingthespecifieditemvaluestretchorre__p_tableandacolor__p_file.GRIDQUERYdisplaysthesetof__llsinagridthatstatisfiesalogicalexpressionusingthecurrentshadeset.GRIDSHADESshadesagridusingthespecifieditemvaluestretchorre__ptabletodeterminecolorfromthecurrentshadeset.HISTOGRAMdisplaysthefrequencydistributionofvaluesinagrid.KILLdeletesagrid.LOADCOLOR__PloadsthecolorsofanASCIIcolor__pfileintothecurrentshadeset.__KESTACKgeneratesastackfromagivensetofgrids.MORANcalculatestheMoranspatialautocorrelationindexforagridandprintsittothescreen.QUITquitsGRID.REGRESSIONoutputstheregressioncoefficientsfortheregressionmodelintabularform.RESTORErestorestheGRID____ysisenviro__enttothesettingsstoredinanenviro__entfile.S__Es__esthecurrentGRID____ysisenviro__ent.SCATTERGRAMdisplaysagraphshowinginatwodimentionalspa__thedistributionofonegrid’s__ll’svaluesagainstanothergrid.SHADEGRIDamenu-basedtoolforgeneratingshadesetsandre__ptablesthatcanbeusedtocreateacustomdisplayofagrid.STACKHISTOGRAMdisplaysasetofhistogramsonesforeachlayerofastack.GRID模块函数ASPECTidentifiesthedirectionof__ximumrateofchangeinzvaluefromeach__llBASINcreatesagriddelineatingallldrainagebasinswithinthe____ysiswindow.DARCYFLOWcalculatesthegroundwatervolumebalan__residualforsteadystateflowinanaquiferandtheseepagevelocityforeach__llusingDARCY’sLaw.FLOWACCUMULATIONcreatesagridofaccumlatedflowtoeach__llbyaccumlatingtheweightforall__llsthatflowintoeachdownslope__ll.FLOWDIRECTIONcreatesagridofflowdirectionfromeach__lltoitssteepestdownslope__ll.PARTICLETRACKcalculatesthepathofaparticlethroughavelocityfield.POPULARITYdeterminesthevalueinanargumentlistthatisata__rtainlevelofpopularityona__ll-by-__llbasiswithinthe____ysiswindow.Theparticularlevelofpopularitythenumberofoccurren__sofeachvalueisspecifiedbythefirstargument.POROUSPUFFcalculatesthetime-dependenttwo-dimentionalcon__ntrationdistributionofasoluteintrodu__dinstantaneouslyatadiscretepointintoaverticallymixedaquifer.RECLASSreclassifiesorchangesthevalueoftheinput__llsusingare__ptableona__ll-by-__llbasis.SELECTselects__llvaluesfromtheinputgridona__ll-by-__llbasis.SLOPEidentifiestherateof__ximumchangeinzvaluefromeah__ll.WATERSHEDdeterminesthecontributingareaaboveasetof__llsinagrid.注GRID模块其它常用函数和操作符可在ERDAS软件中利用其图形界面,以人机交互方式方便实现,此处不专门列出TABLES模块命令ADDappendsnewrecordstothecurrentlyselecteddatafile.ADDITEMaddsablankorzeroitemtoanINFOdatafile.ALTERchangesanyitemcharacteristicex__ptinternalwidthofanyexistingitemintheselecteddatafile.ASELECTincreasesthesetofselectedrecords.CALCULATEassignsavaluetoanumericitem.COPYcopiesanonselectedINFOfile.DBASEINFOcopiesaDBASEdatafiletoanINFOdatafile.DEFINEcreatesanewdatafile.DIRECTORYdisplaysinfor__tionaboutfilesinaTABLESdatabase.DROPITEMdeletesitemsfromanexistingINFOdatafile.ERASEdeletesanINFOfile.INDEXITEMcreatesanattributeindextoincreaseac__ssspeedtothespecifieditemduringqueryoperations.INFODBASEcopiesanINFOdatafiletoaDBASEdatafile.ITEMSliststheitemsdefinitionofthecurrentselecteddatafileoraspecifiedfile.KILLdeletesfilesfromyourTABLESdirextory.LISTdisplaysitemvaluesfromtheselectedsetofrecords.MOVEmovesthevalueofacharacteritemoraliteralstringtoanothercharacteritem.NSELECTsimultaneouslyselectsthecurrentlyunselectedrecordsandunselectsthecurrentlyselectedrecords.PURGEper__nentlydeletesallcurrentlyselectedrecords.QUITquitsTABLES.REDEFINEinitiatesadialogtoredefineitemsintheselecteddatafile.RENAMEchangesthenameofanINFOfile.RESELECTredu__stheselectedsetofrecords.S__Ewritesselectedrecordstoaneworexistingbinarydiskfile.SELECTselectswhichdatafiletouse.SORTorderstheselectedrecordsusinguptonineitemsintheselectedfilesssortitems.STATISTICScalculatessum__rystatisticsforthevaluesofthecurrentlyselectedsetoffeatures.UNLOADwritesselectedrecordsanditemstoASCIIdiskfiles.UPDATEchangesindividualitemvalueswithinselectedrecordsintheselecteddatafile.TIN模块命令SHOWliststhecurrentsettingofanyARCPLOTcom__ndthatsetsupaanebviro__entorlistsinfor__tionabout__ilable__plibraries.ARCPLOTSTACKPROFILEanAMLdrawsashadedorlineprofilegraphforsectionlinesoveroneormoresu_____s.ARCPLOTSU_____specifiesthesu_____andinterpolationmethodusedasthesour__ofzvaluesforsu_____viewingand____ysis.ARCPLOTSU_____CONTOURSdrawscontoursegmentsforthecurrentsu_____.ARCPLOTSU_____DEFAULTSanAMLsetsthesu_____viewingenviro__enttopredefinedvalues.ARCPLOTSU_____DRAPEcreatesasu_____viewbydrawinglinescoveragessinglepointsgraphicsfilesi__gesgridscontoursorashadedreliefi__geonasu_____model.ARCPLOTSU_____EXTENTdefinestheinterpolateableregionofthecurrentsu_____.ARCPLOTSU_____INFOliststhecurrentsu_____andthesettingsofthesu_____viewingenviro__ent.ARCPLOTSU_____LENGTHcomputersthesu_____lengthofeacharcinalinecoverage.ARCSU_____LIMITSspecifiestheareaonthegraphicspagewheresu_____viewswillbedrawn.ARCPLOTSY_______RKERanAMLdrawsa__rkersymbolatthespecifiedlocationonthesu_____vieworplanimetricdisplay.ARCPLOTSU_____MENUanAMLstartsamenusystemforinteractivesu_____viewingand____ysis.ARCPLOTSU_____PROFILEanAMLdrawsaprofilegraphforsectionlinesoverthecurrentsu_____.ARCPLOTSU_____PROJECTIONsetsthetypeofprojectionusedtogeneratesu_____views.ARCPLOTSU_____RESOLUTIONsetsthedistan__betweensamplepointsinthetemporaryviewinglatti__.ARCPLOTSU_____S__EanAMLwritesthecom__ndsrequiredtorestorethecurrentsu_____andsu_____viewingenviro__enttoanAMLfile.ARCPLOTSU_____SHADEdrawsashadedreliefdisplayofthecurrentsu_____whichconsideestheeffectsofthesunilluminationangleandlocalshadows.ARCPLOTSU_____SIGHTINGperformslineofsight____ysistodetermineifthesu_____targetcanbeseenfromthepointofobservation.ARCPLOTSU_____VALUEreturnsthexycoordinateandzvalueofoneormorepointsonasu_____.ARCPLOTSU_____VISIBILITYshadestheplanimetricdisplayhilitingthoseareasofthesu_____viewthatarevisiblewithafull360-degreefield.ARCPLOTSU_____XSECTIONinterpolatesandwritessu_____profilecoordinatestoanINFOreportfile.ARCPLOTSU_____ZSCALEexaggeratesorredu__stheverticalscalewhengeneratingasu_____view.ARCPLOTTINdisplaystheedgesofatinwiththecurrentlinesymbol.ARCPLOTTINERRORSshadesflat________sinatinwiththecurrentshadesymbol.ARCPLOTTINHULLdrawstheedgesofatinthatdefinethezoneofinterpolation.ARCPLOTPAGE14。