arccatalog.docx
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arccatalog.docx
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arccatalog
IntrotoArcCatalog(forGISC6382)1/10/2008
ArcCatalogisusedtoidentify,preview,browseandmanage(copy,delete,convertformat,etc.)spatialdatasets,aswellaslayoutthe“schema”(design)fornewdatabasesanddatasets,anddocumentthemwithstandards-basedmetadata(Reading:
GettingtoKnowArcGISDesktop,Chapter3).
ANoteonDatafortheCourse
CopythefolderP:
\briggs\g6382\Exercise_data\avcatP:
\briggs\g6382\avcat\toc:
\usrfortoday’sclass.
(useeitherWindowsExplorerorArcCatalog).Forclassdemos,alwayscopytoc:
\usrtheneverybodyhassamefilepath.
Wewillalsousetheexampledatasetsatp:
\briggs\g6382\DataSets.
CreateconnectionsinArcCatalogtoboththesefolders(see#4below)
Ingeneral,p:
\briggs\g6382\containsallthedataforthiscourse.
--DataSets:
variousexampledatasets
--Exercise_data:
materialsusedinclassdemos
--Info-materils:
otherusefulinformationmaterialsforcourse
Ithasbeencopiedtoq:
\gisdatawhichisalsoautomaticallymappedinthelabanditisalsoontheweb.
Forwebaccess,openInternetExplorerandenterftp:
//charlotte.utdallas.edu/gisdata/(note:
mustuseforwardslash///!
!
!
)
--ftpletsyoudownloadmultiplefilesatonce(itworksjustlikeanExplorerwindowonyourdesktop!
)
Youmightliketocopyp:
\g6382toaCDtouseathome(itwillrequiretwoCDs),thenupdatefilesviathewebasneeded
1.LaunchArcCatalog
GotoStart/ArcGIS/ArcCatalogtoopenArcCatalog(orfromArcMap,clicktheglobeiconinthemaintoolbar)
Therearetwomainpartstothedisplay:
--thecatalogtreeontheleft
--theArcCatalogcontentswindowontheright
2.Refreshingthedisplay
Whenyoumakechanges(e.g.addafolder)itmaynotshowup.
oPressF5to‘refresh’thewindowsoruseView/Refresh
3.Toolbars
AllToolbarsareactivatedandde-activatedfromtheView/ToolbarsMenu
oIfatoolbarismissingitmayneedtobeactivated
oAlternatively,itmaybeinaseparateoutsidewindowwhichneedstobedraggedontothemainwindow
oExperimentwithturningtoolbarsonandoffsoyouseewhichiswhich
oSeeAvintro.docformoreinfoontoolbars
∙Besureallareturnedonbeforeproceeding
4.ConnectingtoFolders
ArcCatsimplifiesdataaccessbyallowingdirectconnectionstofolderscontainingspatialdata.
WhenyoufirstopenArcCatalog,theCatalogtreecontainsentriesforyourcomputer’sharddisks.
ToaccessdatastoredonaCD,floppydisk,oranothercomputeronthenetwork,youmustaddthosefolderconnectionstotheCatalog.Toaddaconnectiontoafolder:
:
∙ClicktheConnectToFoldericon(button#2)onthestandardtoolbar:
---ConnecttoFolderdialogboxopens
∙NavigatetothefolderordiskthatyouwanttoaddtotheCatalog--p:
\briggs\g6382\)
oBesurethisfoldernameappearsinthetopboxintheConnecttoFolderdialog
oClickOK.--AnewfolderconnectionappearsintheCatalogtree.
∙Clicktheexpansionbox(totheleftofthefoldernamewith+sign)todisplaysub-folders
∙CreateaconnectiontotheCDROMdrive,andalsotoQ:
ifpreviouslymapped
5.DisconnectFolder
∙ClickthefolderthatyouwanttoremovefromtheCatalog.
oE.g.removeanyp:
\connectionsotherthanp:
\briggs\g6382\
∙ClicktheDisconnectFromFolderbutton(#3).
∙ThefolderconnectionisremovedfromtheCatalogtree.
6.CreateaNewFolder(e.g.C:
\USR\initials)
∙Createconnectiontoc:
\usr(ifnotalreadyavailable)
∙NavigatetoC:
\USRinArcCatalogandsingle-clicktoselectit
∙Placepointeronc:
\usr\andright-click
∙PointtoNewandclickFolder.
∙Typeanewnameforthefolder(eglab1)
∙PressEnterandyouhavecreatedanewfolder
∙UseConnectingtoFolders(#4)tocreateadirectconnectiontoyournewfolder.
7.BrowsingFolderContents
∙InArcatalogContentsWindowonright,besureContentsTabisselected
∙InArcCatalogtreeontheleft,clickonceonthep:
\briggs\g6382\
oItssubfoldersaredisplayedintheCatalogdisplaywindowontheright
oYoucanalsoclicktheexpansionbox(+sign)inthetreetohavethesamelistshowinthetree
∙Double-clickonthefoldername(e.g.DataSetsandthenShapefiles)intherightwindowtodisplaycontents.Thesecanbeshowninoneof4formscontrolledbyicononthetoolbar:
oLargeiconformat
oListformat
oDetailedformat(sameaslistbutwithfiletypeshown)
othumbnails
∙Thumbnailsarehandysummaries,buthavetobecreatedmanually.
oForexample,thumbnailsareavailableintheShapefilesfolderbutnottheCoveragesfolder.
oTheyarereallypartofthemetadataandaresavedas.xmlfiles.
oSeesection16.3belowforhowtocreatethem.
oYoucannotcreatethumbnailsonthep:
\drivesinceyoudon’thavewriteaccess.
∙TheDataSetsfoldercontainsavarietyofdatasetsindifferentfileformats:
shapefile,coverage,geodatabase,CAD,aswellasrasterdatasetsandstandarddbffiles.
∙Notehowdataset(fileformat)typesarecodedbyiconshape,color,etc.
oGreenSinglerectangle:
shapefiles(polygon
line
point
indicatedbygraphic)
oYellow3-part:
coverages(polygon
line
point)
oGreydrum:
geodatabase
oYellowgrid:
raster
(intifformatinthiscase)
oGreenwithdatacolumns:
dbffile
oYellowdiamondlayerfile
oYellowwithdatacolumns:
INFOtable
oTurquoise:
CADfiles
∙Whatisalayerfile?
It’slikeaminimapdocument.Itcontainsapointertoasinglespatialdatafile(shapefile,coverage,orgeodatabasefeatureclass),butnotthedataitself,alongwithinformationonhowtodisplaythatdatainamapdocument.Itisaveryusefulconcept.Fordatamanagement,itmaybemoreusefulthanamapdocument.Youcanhavemultiplelayerfilesforanyonedatafile,displayingdifferentvariablesinthatfileforexample—see,tracts_id.lyrandtracts_area.lyr
oDoubleclickalayerfile(e.g.tracts_area.lyr)toshowProperties.NotehowtheseincludeSymbology.
oDoubleclickthesourcefile(tracts.shp).NotethedifferenceinProperties
Youcangrouplayers(aswellasspatialfiles)intoGroupLayers.Fordetailsee#17and#18
∙OpenthePersonalGeodatabasefolderandnote:
oTexas:
Personalgeodatabase
oDallasCountyfeaturedataset(spatialreferencesameforallclasseswithin)
oDal_hospitals_pointfeatureclass
oDal_hyws_arc:
standalonefeatureclass(eachhasuniquespatialreference)
Notethe“hierarchical”structureofageodatabaseGDB>FDS>FC(wewilltalkmoreaboutthisbelow)
∙Youcanexploreasimplersetofdatabymakingaconnectionto:
p:
\briggs\g6381\avcat.Thissinglefoldercontainsthesamespatialdataindifferentformats.Theexamplesusedinthearcdata.pptaretakenfromhere.
oYoumaywishtoopenWindowsExplorer(rightclickonStartandselectExplore),andnavigatetothissamefolder(p:
\data\briggs\poec6381\avcat),toseehowthephysicalfilesappearonthedisk.
othe.prjforshapefilesstoresprojectioninfo(therefortracts,butnotfordaycare)
othe.xmlforshapefilesstoresmetadata(butpresenceoffiledoesnotmeanmetadataexists,e.g.daycare)
8.ExaminingData
Therearethreemainoptionscontrollinghowyouexamineindividualdatafiles:
--byselectingamongthe3tabsatthetopoftheArCatcontentswindow(Content,Preview,Metadata)
--wheninPreviewTab,bychoosingbetweengeographyandtableatthebottomoftheArcCatwindow
--byright-clickingonadatasetinthetreeandselecting
9.DataPreview:
maps
∙Clickonanyspatialdatasetinthetree(onleft)orintheContentswindow(onright):
∙ClickonthePreviewtabintheArcCatContentswindowontheright
oPreviewmapisdisplayed
∙Usethe“GeographyToolbar”toPan,Zoom,Identify,etc.Inversion9.2,youcanusethemousewheeltozoominandzoomout.
oClicktheglobeicontoreturntothe‘fullextent’ofthemap
10.DataPreview:
tables
∙Besurepreviewtabisselected
oAmapwillgenerallybedisplayedinthePreviewwindow,butnotalways
∙AtthebottomofthePreviewWindow,clickdown-arrownextto“Geography”andselectTable
oTheunderlyingfeatureattributetableisdisplayed
oUsetheRecordcontrolatthebottomtoscrollthruthetable.
∙TheOptionsbuttonatthebottompermitsyouto
oSearchviatheFindoptionforspecificdata
oExportallorselectedrecordsinthetabletoAccess,dbf,text,SDEformats
oAddanewfield(column)tothetablefornewdata
∙Openthecoveragesfolderinp:
\briggs\g6382\DataSetsandexploreboththegeographyandtheassociatedtables
oNotethevariablescommontocoverage(point/arc/polygon)attributetablesasdiscussedinAGintro.ppt
oNotehowthevariablesarenamedbasedoncoveragename(youmayhavetoexpandcolumnwidths)
11.DataPreview:
datadocumentation
oClicktheMetadataTabinArcCatalogwindow
oYouareprovidedwithdocumentationaboutthedata
oSomeisautomaticallyobtainedfromtheDataSetProperties(seebelow),e.g.projectioninfo,ifknown
oOtherinfo.hastobeenteredmanually(seeSection#24below)
oGototheshapefilesfoldertoseeexampleofmetadata(exceptforlakes.shp)
oUseStylesheetdropdownmenutoselectdesireddisplaystylee.gFGDCESRI
(FGDCistheFederalGeographicDataCommitteewhichpublishesstandardsformetadata.)
oDescriptionprovidesoverallmetadata
oSpatialprovidesprojectioninfo
oAttributeslistsnamesofvariablesinattributetables
Informationisaccessedviahyperlinkswithinthesesections.
SeeSection#24belowformoreinformationonmetadata
12.1DisplayingDataSetProperties
∙UseArcCatalog
∙IfyourightclickonanyentryintheCatalogtree,andselectProperties,awindowwithtabsisdisplayed
∙Thesamedisplaycanbe
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