Step 1Word格式文档下载.docx

Step 1Word格式文档下载.docx

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FileMenu.–TheFilemenuallowsyoutoopenanexistingparameterizationfileorsavethecurrentparameterizationfile.Note,parameterizationfilesaregiventhefileextension.frg.

1. 

New.–Createsanew（orblank）parameterizationfile.Itisnotnecessarytobeginbycreatinganewfile.AnewfileisautomaticallyopenedwhenyoustartFRAGSTATS.Thisoptionisusedwhenyouhaveaparameterizationfilecurrentlyopenandwishtocreateanewfilefromscratch.

2. 

Open.–Opensanexisting（previouslysaved）parameterizationfile.

3. 

Save.–Savesthecurrentparameterizationtoafilewiththeextension.frg.Note,ifyouaresavingaparameterizationfileforthefirsttime,youwillbepromptedtospecifyalocationandfilename.Ifyouaresavingfromanopenparameterizationfile,thiswilloverwritetheexistingfilewithoutpromptingyouforafilename.Thisfilecontainsalltheparametersettingsinthedialogboxesatthetimethefilewassaved.ThiscanbeveryusefulifyouarerunningFRAGSTATSrepeatedlywiththesameorsimilarparameterizationschemes.

4. 

Saveas.–Savesthecurrentparameterizationfiletoalocationandfilenamethatyouspecify.

5. 

Exit.–Closestheprogram.ThesameeffectisachievedbyclickingontheXintheupperrightcornerofthewindow.

FragstatsMenu.–TheFragstatsmenuallowsyoutoparameterizetheanalysis.

SetRunParameters.–OpensanewdialogboxthatallowsyoutospecifynecessaryparametersforrunningFRAGSTATS（seeStep2）.

SelectPatchMetrics.–Opensanewdialogboxthatallowsyoutoselectandparameterizethedesiredpatch-levelmetrics.Note,thisfunctionisnotactiveuntiltheRunParametersdialogboxissuccessfullycompleted,andthenonlyifpatchmetricsareselectedintherunparameters.

SelectClassMetrics.–Opensanewdialogboxthatallowsyoutoselectandparameterizethedesiredclass-levelmetrics.Note,thisfunctionisnotactiveuntiltheRunParametersdialogboxissuccessfullycompleted,andthenonlyifclassmetricsareselectedintherunparameters.

SelectLandscapeMetrics.–Opensanewdialogboxthatallowsyoutoselectandparameterizethedesiredlandscape-levelmetrics.Note,thisfunctionisnotactiveuntiltheRunParametersdialogboxissuccessfullycompleted,andthenonlyiflandscapemetricsareselectedintherunparameters.

ClearAllMenus.–ClearstheRunParameters,Patch-,Class-,andLandscapeMetricsdialogboxes.

6. 

ExecuteFragstats.–ExecutesaFRAGSTATSrun.An“executionfinished”messagewillappearinthelogwindowwhenFRAGSTATSprocessingiscomplete.

ToolsMenu.–TheToolsmenuprovidesyouwithseveralmiscellaneousoptionsforcreatingandeditingbatchfiles,reclassifyingclassesandcontrollingclass-leveloutput,browsingresults,andsavingthelogfile.

BatchFileEditor.–Allowsyoutocreateandeditbatchfiles.SeeStep4onUsingBatchFilesfordetailsonthebatchfileeditor.

ClassProperties.–Allowsyoutoeditthepropertiesofeachclass;

thatis,designateclassesasbackgroundanddisabletheoutputforselectedclasses.SeeStep5onModifyingClassPropertiesfordetails.

BrowseResults.–Allowsyoutobrowseandsavetheresultsoftheanalysis.SeeStep7onBrowsingandSavingResultsfordetails.

ClearLog.–Clearsthelogwindowofalltext.

SaveLog.–SavesthelogwindowasanASCIItextfilewiththeextension.logtoalocationandfilenamethatyouspecify.

HelpMenu.–TheHelpmenuprovidesyouwithonlinehelp.

HelpContent.–Allowsyoutoaccessafamiliarwindows-basedhelpinterfacewiththestandardcontent,index,andfindoptions.TheonlinehelpinformationisessentiallythesameasprovidedinthisdocumentandtheFRAGSTATSMetricsdocument.

AboutFragstats.–Liststheauthorsandthesoftwarereleaseversion.

Step2.SettingRunParameters

AfteropeningtheFRAGSTATSinterface,thenextstepistosettherunparameters.BytheselectingthesetrunparametersoptionintheFragstatsdrop-downmenu,theRunParametersdialogboxwilldisplay（Fig.3）.

Figure3.TheRunParametersdialogbox.

ThisdialogboxcontainsalltheessentialinputparametersrequiredtorunFRAGSTATSexceptfortheselectionofthemetricsthemselves.Hereiswhereyoudefinetheinputgridorbatchfile,specifytheinputdatatype,chooseananalysistype,selectthepatchIDoutputoption,chooseaneighborruleforpatchdelineation,specifyaclasspropertiesfile,andselectthelevelsofmetricsyouwantcomputed.Thiscontainsmostoftheinformationcontainedinthecommandline（ormostoftheprompts）inversion2.Theorderinwhichtherunparametersarespecifiedisnotimportant,althoughthereisalogicalsequenceforatleastafewoftheparameters.TheparametersarestoredonlyaftertheOKbuttonisclicked.

InputFileType.–ChosebetweenLandscapeandBatchmodes:

（1）Landscape.--IfLandscapemodeisselected,thenFRAGSTATSexpectsthedesignatedinputfiletobeasinglerasterimage;

FRAGSTATSwillproducetheconventionaloutputforthatlandscape.

（2）BatchFile.--IfBatchmodeisselected,thenFRAGSTATSwillrunthebatchfilespecifiedintheInputFiletextboxandproduceoutputforallofthelandscapesdesignatedinthebatchfile.SeeStep4onWorkingwithBatchFilesfordetailsonbuildingasuitablebatchfile.IfBatchmodeisselected,thentheInputDataType（seebelow）andGridAttributes（seebelow）willbecomeinactive（grayedoutintheinterface）becausetheseparameterswillbespecifieduniquelyforeachinputlandscapeinthebatchfile.

InputDataType.–FRAGSTATSacceptsseveraltypesofinputimagedataformats.SeeDataFormatsintheOverviewsectionfordetails.Briefly,allinputimagesshouldbeintegergridswithnon-zeroclassvalues（i.e.,eachcellshouldbeassignedanintegervaluecorrespondingtoitsclassmembershiporpatchtype）.Note,assigningthevalue0toanon-backgroundclassisnotallowedinthemovingwindowanalysis,andanerrormessagewillbereportedtothelogfileinthiscase.Inaddition,allinputgridsshouldconsistofsquarecellswiththemeasurementunitsinmeters.Chooseoneofthefollowing:

（1）ArcGridcreatedwithArc/Info.

（2）ASCIIfile,noheader.

（3）8bitbinaryfile,noheader.

（4）16bitbinaryfile,noheader.

（5）32bitbinaryfile,noheader.

（6）ERDASimagefiles（ERDAS7.gisor.lan,8or16bitfiles;

andERDAS8.img,8,16,or32bitfiles）.

（7）IDRISIimagefiles（.rdc）.

InputFileName.--Specifyaninputfile,wheretheinputfileiseithertheinputimagetobeanalyzed（landscapemode）orabatchfile,byclickingonthefilenamebuttonandnavigatingtothedesiredinputfile.IftheInputDataTypeisselectedfirst,thennavigationtotheinputfilewilldefaulttofilesofthespecifiedtype.Forexample,ifArcGridisselectedastheInputDataType,thenthenavigationwindowwillrevealonlyArcGrids.Inaddition,thelabelontheFileNamebuttonwillreflecttheInputDataType.Onceyouhaveselectedafile,thefullpathandfilenamewillbedisplayedinthetextboxnexttotheFileNamebutton.

OutputFile.–Specifya“basename”fortheoutputfilesbyclickingontheOutputFilebuttonandnavigatingtothedesiredfolder,andthenenteringa“basename”orselectinganexistingfiletooverwrite.Thisbasenamewillbegiventheextensions.patch,.class,.landand.adjforthecorrespondingpatch,class,andlandscapemetricsandadjacencymatrix.Note,youcanautomaticallysavetheresultstooutputfilesbycheckingtheAutomaticallySaveResultscheckbox.Inaddition,itisnotnecessarytoenteranoutputfilebasenamehere.Theresultscanalsobesavedfromthebrowsedialogbox（seeStep7onBrowsingandSavingResults）.However,ifanoutputfilenameisspecifiedhere,thenitwillbeusedasthedefaultbasenamewhensavingtheresultsfromthebrowsedialogbox.Ifanoutputfilenameisnotspecifiedhere,thenyouwillbepromptedtoprovideabasenamelaterwhensavingtheresults.Note,ifyouspecifyanoutputfilenamethatalreadyexists,FRAGSTATSwillpromptyouastowhetheryouwanttooverwritetheexistingfilesafterexecutionoftheprogramiscomplete.

AnalysisType.–ChosebetweenStandardandMovingWindowmodes:

（1）Standard.--IfStandar