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Clicktoreorganizeoneormorelayersinthelist.Toselectmultiplelayers,press
theShift
orCtrl
keywhileselectinglayers.
MoveLayersDown
Theorderdetermineswhichlayersobscurethecontentsoftheotherlayers;the
bottomlayerinthelististhemostobscured.
ClicktoopentheLayerPropertiesdialogboxandsetdisplayattributes,including
labeldisplayandlabelingrules,forselectedlayers.
LayerProperties
TheLayerPropertiesbuttonenablesafterselectingasinglelayerormultiple
layersofthesametype.Ifyouselecttwodifferentlayertypes,suchasthe
cosmeticlayerandarasterlayer,thenthisbuttondoesnotenable.
ClicktoopentheModifyThematicMapdialogboxandsetdisplayattributes
forathematiclayer.Thisbuttonisonlyactiveafterselectingathematiclayer.
ModifyTheme
ClicktoopentheHotlinkOptionsdialogboxwhereyoucanspecifyfilename
expression,filelocations,whatactivatesHotLink,andsavingoptionstotable
HotlinkOptions
metadata.SeeCreatingActiveObjectsintheHelpSystem.TheHotlinkOptions
buttonenablesonlyafterselectingasinglelayer.
ClicktoopentheAdjustLabelingPrioritiesdialogboxwhereyoucanmove
layersupanddowninthelisttoadjustlayerprioritywhenAutomaticLabeling
isturnedonforlayers.
AdjustLabelingPriorities
TheAdjustLabelingPrioritiesbuttonisenabledwhentheactivemaphasat
leasttwolayersthatcanbelabeled(thisdoesnotincluderaster,theme,or
cosmeticlayers).
Clicktocontrolwhetheryoucanselectlabelswhenyouclickonthemap.By
default,labelsareselectable.Youmightmakelabelsunselectableifyoufind
SelectableLabels
thatyouareaccidentallyselectinglabelsonthemapwhenyouweretryingto
selectpointsorlines.Thisisapermapsetting,soeachMapwindowhasits
ownsetting.Eachmap'sSelectableLabelssettingispreservedwhenyousave
aworkspace.
Clicktoallowmapredrawortoturnoffmapdisplayaschangesaremadeto
layers.Selecttosuspendautomaticredrawwhentherearemanylayersthat
slowtheredrawprocess.
AutomaticMapDrawing
ClicktoopentheLayerControlOptionsdialogboxandsetwhichmapsshow
intheLayerlist,enableconfirmationwhenremovingalayer,disabletooltipsin
theLayerControlwindow,andshoworhideiconsintheLayerControlwindow.
LayerControlOptions
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MovingtheLayerControlWindowtoCustomizeYourWorkArea
TheLayerControlisafloatingwindow,sothatyoucanleavetheLayerControlwindowopen
throughoutyoursession.Italsodockstothesideoftheapplicationwindow,sothatyoucancustomize
yourworkarea.
TomovetheLayerControltoanotherlocationintheapplicationwindow:
Undockit-Double-clicktheLayerControlwindowtitlebar,sothatitfloats.Youcanthenmove
ittoanotherlocationintheapplicationwindow.
•Dockit-DragtheLayerControlwindowbythetitlebar,towardtheleftorrightsideofthe
screen,sothattheLayerControlwindowsnapsintoplace.
Ifyourcomputerhastwomonitors,trydraggingtheLayerControlwindowontothesecond
monitor.ThisarrangementallowsmoreroomforMapwindowsonthefirstmonitor.
Note:
Adding Layerstothe Map
YoucanaddonelayertothecurrentMapwindowatatimeorusethemulti-selectfunctionalityto
addlayerssimultaneously.
Youcanonlyaddlayersfromtablesthatareopen.Ifyouwanttoaddalayerandyoudo
notseeitinthelist,makesurethetablethatcontainsthatlayerisopen.
Note:
•Formoreinformation,seetheHelpSystem.
ReorderingMap Layers
MaplayersdisplayintheorderthattheyarelistedintheLayerControlwindow,withthebottom
layerdrawnfirstandthetoplayer(whichisalwaystheCosmeticLayer)drawnlast.Itisimportant
toorderyourlayerscorrectly.
Forexample,youhavealayerofcustomerpointsandalayerofcensustracts.Ifthelayersare
incorrectlyorderedintheMapwindow,MapInfoPromightdrawthecustomerpointsfirstandthen
displaythecensustractlayersecond.Yourpointswouldbeobscuredbythecensustractlayer.You
canreorderhowlayersaredisplayedinaMapwindowtwoways.
•Formoreaboutlayers,seeReorderingLayers,ChangingtheOrderofContiguousLayersand
ChangingtheOrderofRandomLayerstopicsintheHelpSystem.
LayerorderisalsoimportantwhenyouusetheSelectbutton.TheSelecttoolselectsobjectsfrom
thetopmostSelectablelayer.Ifyouhaveseveralobjectsatthesamelocation,itisdifficulttoselect
theexactoneyouwant.YoucanreorderyourlayersinLayerControlsothatthelayeryouwantto
selectfromisthenewtopmostlayer.
MapInfoProdoesnotallowyoutocontrolthefront-to-backorderingofobjectswithinasinglemap
layer.Ifyouareeditingatable,andyoudrawalineontopofacircle,thelinemightappearinfront
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oforbehindthecircle;youcannotcontrolwhetheritisinthefrontortheback.Youcan,however,
controlthefront-to-backorderingofobjectsinaLayoutwindow.
Ifyouneedtocontroltheorderingofobjects(forexample,youneedtomakesurethatyour
linesdisplayontopofyourregions),putthedifferentobjecttypesinseparatelayers.Put
Note:
yourlineobjectsinonetable,andputyourregionobjectsinanothertable.Thenusethe
LayerControlwindowtoorderthelayers.
•Formoreinformation,seeRemovingaLayerfromtheMapandChanginghowaLayerDisplays
ontheMapintheHelpSystem.
Setting the Zoom Layering
Sometimesyouwantamaplayertodisplayonlyatcertainzoomlevels.ZoomLayeringcontrols
thedisplayofamaplayersothatitdisplaysonlywhenthemap'szoomlevelfallswithinapreset
distance.
Forexample,youhavealayerofstreetsandalayerofpostalcodeboundaries.Whenyouzoom
outpast10orsomiles,thestreetslooklikeablacksmudgeinthewindow.Thisisbecausethe
zoom(windowwidth)istoowidetoshowdetailedstreetmaps.UseZoomLayeringtotellMapInfo
Protodisplaythestreetlayeronlywhenthezoomissettoadistancethatallowsyoutoseethe
streetdetailproperly,forinstance,lessthan5miles.
Thefirstmapdoesnothavezoomlayeringsetforitsstreetlayer.Atazoomof15milesacross,
noticehowdifficultitistoseeanydetail.Thesecondmaphaszoomlayeringsettodisplaythe
streetswhenthezoomislessthanfivemiles.Therefore,thestreetslayerdoesnotdisplaywhen
thewindowissetat15miles.
Formoreinformation,seeSettingtheZoomLayeringintheHelpSystem.
YoucandisplaydifferentlayersinthesameMapwindowatdifferentzoomlevels.Forexample,you
havealayerofstreets,alayerofcountyboundaries,andalayerofstateboundaries.Youwantthe
streetslayertobevisibleonlywhenthezoomlevelislessthaneightmiles.Youwantthecounty
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boundarylayertodisplaywhenthezoomlevelfallsbetween20milesand200miles.Youwantthe
statesboundarylayertobevisibleonlywhenthezoomlevelisgreaterthan100miles.Youcanset
adifferentzoomlevelforeverylayerinyourMapwindow.
Whenyouaddanobject,aregion,aline,orapolylineintheMapwindowandzoomout
beyondwherethezoomlayerwouldpermityoutoseethatfeature,MapInfoProturnsoff
Note:
zoomlayeringsoyoucancontinuetoseewhatyouareworkingon.Whenyoucompletethe
addprocess,amessagedisplaysaskingyouifyouwanttoleavezoomlayeringoff(soyou
willstillbeabletoseethefeature).IfyouclickCancel,MapInfoProcancelsthezoom
layering.IfyouclickOK,youneedtoadjustyourzoomsettingstoseethisfeatureagain.
Formoreinformation,seeChangingaMap'sZoomLevelintheHelpSystem.
Positioning and Sizing Labels
TolabelamapobjectusingtheLabelbutton:
1. Makesurethatthelayercontainingtheobjectsyouwanttolabelisselectable.ChooseMap>
LayerControlandclicktheSelectable
icontomakethelayerselectable.
2. ClicktheLabel
buttonintheMaintoolbar.
3. ClickonanobjectwiththeLabelbuttontodisplayalabelforthatobject.
MapInfoProlabelstheobjectwiththevalues(fromthecolumnthatyouspecifiedforthatlayerin
theLayerPropertiesdialogboxontheLabelDisplaytab).
ChangingLabelOptions
TwofeaturesintheLayerPropertiesdialogboxhelpyouwithlabelplacement:LabelPositionand
Offset.
Tochangelabeloptions:
1. ChooseMap>LayerControl.TheLayerControlwindowopens.
2. IntheLayerlist,double-clickthelayername.TheLayerPropertiesdialogboxopens.
3. SelecttheLabelDisplaytabandspecifythedesiredlabeloptions,suchaslabelstyle.
4. SelecttheLabelingRulestabandspecifythedesiredlabelplacementandlabeladjustments,
suchasallowordiscardoverlappingtext,tryotherpositionswhenoverlappingoccurs,allow
duplicatetext,andlabelpartialobjects.
LabelPosition(alsocalledtheanchorpoint)isthelabel'spositionrelativetothemapobject.
Clickononeofthebuttonstoselectananchorpoint.Youhaveninechoices.
Theanchorpointisanongoingattributeofthelabel.Forexample,ifyouanchorapointobject's
labelatCenterLeftandyouincreasethelabel'sfontsize,thetextwillgrowtotheleft.Thisway,
thetextcanneveroverwritethepoint.
Thedefaultanchorpointvarieswiththetypeofmapobjectyouarelabeling:
•RegionsdefaulttoCenter.
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•LinesdefaulttoBelowCenter.
•PointsdefaulttoRight.
LabelOffsetishowfarawayalabelisfromitsanchorpoint.Specifythenumberofhalfspaces
youwantthelabeltobefromtheanchorpointintheLabelOffsetbox.
5. ClickOK.
Themapredrawswithyourchanges.
LabelSize
Labelsizedoesnotchangewithzoomorscalechanges.Labelsdisplayatthesizeyouspecifyat
allzoomlevelsaswellasonprintedoutput.Labelsareneverhiddenbehindothergeographicobjects
becausetheyarealwaysthelastobjectsdrawnonthemap.
Displaying the Lines, Nodes, and Centroids
TheLayerPropertiesdialogboxallowsyoutodisplaylinedirections,nodes,andobjectcentroids.
SelecttheShowLineDirectioncheckboxwhenyouwanttoshowthedirectioninwhichlineobjects
aredrawn.ChecktheShowNodescheckboxtodisplaythenodesinalayer.
TheShowCentroidsboxdisplaysthecentroidsofeachobjectinalayer.InMapInfoPro,aregion's
centroiddoesnotrepresentitscenterofmass.Instead,thecentroidrepresentsthelocationused
forautomaticlabeling,geocoding,andplacementofthematicpieandbarcharts.Ifyoueditamap
inReshapemode,youcanrepositionregioncentroidsbydraggingthem.
SeetheHelpSystemfortheserelatedtopics:
•ChangingaLayer'sLabelingOptions
•ChangingaRegion'sCentroid
•ChangingaLabel'sStyle
•DrawingAutolabels
Forinstructionsoninsertingtable-basedstyleintheLayerControlwindow,seeInsertingStylesinto
TablesintheHelpSystem.
Understandingthe Cosmetic Layer
EveryMapwindowinMapInfoProhasaCosmeticLayer.ThinkoftheCosmeticLayerastheblank
transparencythatliesontopoftheothermaplayers(transparencies).Itcanstoremaptitlesand
othergraphicobjectsyoucreateduringaworksession.TheCosmeticLayerisalwaysthetoplayer
ofthemap.YoucannotremoveorreordertheCosmeticLayer.
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YoucanonlymaketheCosmeticLayereditableorselectable.OtherLayerControloptions(labeling,
zoomlayering,displaymode)arenotavailablefortheCosmeticLayer.Toselectfillpatterns,line
types,symbols,andtextfontfortheCosmeticLayer,usetheLineStyle,RegionStyle,SymbolStyle
andTextStylecommandsfromtheOptionsmenu.WhentheCosmeticLayeriseditable,youcan
accessthestyleoptionsfromtheDrawingToolbar.
ThecontentsoftheCosmeticLayerarelinkedproportionallytothemap.Mapobjects(exceptfor
symbols)andtextintheCosmeticLayerareproportionallylinkedtothezoomlevelofthemap.If
youdrawobjectsintheCosmeticLayerandthenchangethemap'szoomfrom30to100miles,the
sizeoftheobjectswillappearsmaller.
TheHelpSystemcontainstheserelatedtopics:
•UsingtheCosmeticLayer
•SavingCosmeticLayerObjects
•SavingObjectsontheCosmeticLayer
•RemovingCosmeticObjects
•DisablingtheSaveCosmeticObjectsWarningDialogBox
Making the Layers "Editable"
Tomakechangestothegraphicobjectsinalayer,youmustmakethelayereditable.Youcandraw
objectsonthatlayer,addtext,combine,ordeleteobjects.Youcanonlymakeonelayereditableat
atime.
•Forspecificinstructions,seeMakingLayersEditableintheHelpSystem.
Making aRead-Only Table "Editable"
IfyouareworkingwithtablesthatwereopenedfromExcel,Lotus,orASCIIfiles,youmayhave
noticedthattheycomeinasread-onlytables.BecausethefilesarenotinnativeMapInfoProformats
orstandardDBFformat,MapInfoProisunabletoeditthetabularinformationcontainedinthese
tables.
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Ifyouwishtomodifythetableinformation,youmustsaveacopyofthetable.Youcandothiswhen
youopenthetableinMapInfoProbyselectingtheCreatecopyinMapInfoformatforread/write
checkboxbeforeselectingOpenintheOpendialogbox.
•Forinstructionsonmakingread-onlymaplayerseditable,seeMakingLayersEditableintheHelp
System.
Getting Layer Information
YoucanusetheInfotoolbuttontogetinformationpertainingtothemaplayer.
Togetinformationaboutanobjectinaparticularlayer:
1. Makesurethelayeryouwantinformationaboutistheselectablelayer.
2. ClickInfo
intheMaintoolbarandclicktheobjectyouwantinformationabout.
Iftheinformationthatdisplaysisnotwhatyouwerelookingfor,checktoseethatthe
layeryouareinterestedingettingdataforisselected.
Note:
Usingeithermethod,theInfoToolboxdisplays.
UsetheCtrl
keywiththeInfobuttontotogglethroughallselectablelayersandaccess
overlappingobjects.
Note:
WhenyouclickamaplocationusingtheInfobuttonwheretwoormoreselectablemapobjects
overlap,thedatatiedtotheobjectsoneachlayerdisplayintheInfotoolwindow.Ifyoudonotwant
theinformationforalllayerstodisplay,turnoffSelectableforthoselayersintheLayerControl
window.
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Youcanalsoviewanobject'slabelexpressioninanInfoTipwhenyouusetheSelect,Info,orLabel
buttons.InfoTipsworkverymuchlikeToolTips.Usingoneofthesetools,placeyourcursoroveran
object.AnInfoTipdisplaysthelabelexpressionfortheobjectinthetopmostselectablelayer.To
setInfoTipsforaparticularlayer,adjusttheSelectableattributeintheLayerControlwindowsothat
theTipsdisplayforthelayeryouwant.InfoTipsareactivebydefault,butyoucanturnthemoffin
theMapwindowpreferences(ontheOptionsmenu,pointtoPreferencesandclickMapwindow).
Selecting Objects in a Layer
Ifyouonlywanttoselectobjectsforfurtheranalysisratherthanedittheobjects,makethelayer
selectable.Morethanonelayercanbeselectableatatime.Ifalayeriseditable,itisalsoselectable.
ManyMapInfoProfunctionsrequirethatmapobjectsbeselectedbeforeperformingtheparticular
operation.TousetheSelectbutton,LabelbuttonorInfobuttonyoumustfirstmakethelayer
selectable.Unliketheeditablefeature,morethanonelayermaybeselectableatthesametime.
Youmay,however,onlyselectfromonelayeratatime.
TheSelectbuttonselectsobjectsfromthetopmostSelectablelayer.Toselectanobjectthatisnot
inthetopSelectablelayer,youcanturnofftheSelectableoptioninLayerControlforeverylayer
abovethelayeryouwanttoselectfrombyselectingalayer'sSelectable
icontodeactivateit.
Alternately,youcanleavealllayersSelectableandusetheCtrl
keyincombinationwiththeSelect
buttontocyclethrougheachSelectablelayer.
Theinstructionsformakingalayereditablearethesame,exceptthatyouselect
EditableOn/Off
instead.
Note:
•Forinstructionsonmakingobjectsinalayerselectable,seeSelectingObjectsinaLayerinthe
HelpSystem.
Forexample,ifyouwanttofindallcustomerswholivewithinafiftykilometersradiusofParis,make
theStreetlayerselectable.Ifthemapalsoincludesalayerofhospitals(whichyoudonotwantto
includeintheradiussearch),turnofftheSelectableoptionforthehospitallayer.
TheEditableorSelectableoptionsonlyapplytotheMapwindowitself.Youcanalwaysselect
objectsusingtheSelectorSQLSelectcommandsregardlessofwhetheralayerisselectable.
Working with Thematic Layers
WhenyoucreateathematicmapinMapInfoPro,thethematicshadingisaddedtoyourmapasa
separatelayer.Itisdrawnontopofthelayer,fromwhichitgetstherawdata.Separatingathematic
layerfromitsbaselayerprovidesyouwithseveralimportantoptions:
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•Graduatedsymbolthematicmapsdonotrequirethatyourbaselayercontainpointobjects.Instead,
graduatedsymbolobjectsarebuiltregardlessofthemapobjecttype.Therefore,evenifyourbase
layercontainsregionorlineobjects,youwillstillbeabletocreateagraduatedsymbolsmap.
•Youcanhavemultiplethematiclayersperbaselayer.Insomecases,youdonothavetoadd
anotherbaselayertothemaptocreateanotherthematiclayer.Youcandisplaymorethanone
thematiclayeratatime,aswellasperformbivariatethematicmapping.
•YoucanuseLayerControltoturnthedisplayonoroffforagiventhematiclayer.Thelayeritis
basedoncancontinuetodisplay.Youcanalsosetindividualzoomlayersonthematicmaps.
Ordering Thematic Layers
Todisplaythematiclayersproperly,theymustbeinaspecificorder.Thisisespeciallyimportant
whenyouwanttodisplaymorethanonethematiclayeratatime.Forexample,youwouldwantpie
orbarchartsforanareamaptodisplayontopofregionsthatareshadedinordertoseethem.
Thefollowingliststheorderofmaplayersfromtoptobottom(notethatmaplayersaredrawnfrom
thebottomup):
1. Pies,Bars,orGraduatedSymbolthematiclayer.
2. DotDensitythematiclayer.
3. Rangedthematiclayer-whereColororSizeAttributesareapplied.
4. Ranged(orIndividualValue)thematiclayer-whereAllAttributesareapplied.
5. Majorlayerorbaselayer.
6. Gridthematiclayer.
Whenyoucreateanewthematiclayer,MapInfoProautomaticallyinsertsitintoitsproperplace.
•Formoreinformation,seeReorderingThematicLayersintheHelpSystem.
Displaying ThematicLayers
Youcanturnthedisplayonandoffforthematiclayersthesamewayyoucanforothermaplayers.
AllthedisplaysettingsinLayerControlarealsoapplicabletothematiclayers,enablingyoutoset
azoomlevelforeachthematiclayer.YoucanalsoaccesstheModifyThematicMapdialogbox
throughLayerControlbydouble-clickingaThematiclayer.
Thematiclayersarealwaysdrawnaftertheirbaselayer.Therefore,theyappearabovetheirbase
layerintheLayerControllist,andareindentedtodistinguishthemfromothermaplayers.
Thematiclayersaredisplayedinthelistwiththisnamingconvention:
<Thematic type> with/by <variable-list>
Thetypeofthematicmapisnotedfirst,followedbythelistofvariablesusedtocreatethemap.For
example,apiethematiclayerthatusescommutingdataislistedthisway:
Pies with ComAlone, ComCarpool...
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Thevariablelististruncatedifthereisnotenoughroomtodisplayeachvariableusedinyourthematic
analysis.Formoreinformationaboutthematicmapping,seeUsingThematicMappingtoAnalyze
Information.
Converting Objectsinto Region Objects
Whenyouconvertacircleorellipseintoaregion,theregioncontains101nodes.Whenyouconvert
anarcintoaregion,thenumberofnodesdependsonthestartingandendingangleofthearc.If
thearcspans180degrees(forexample,thestartingangleiszeroandtheendingangleis180),a
regionbasedonthearcwillcontain52nodes;ifthearcspans90degrees,aregionbasedonthe
arcwillcontain27nodes;etc.
Ifyouperformextensivemapediting,youmayneedtoconvertpolylinestoregions.Ifyoucutor
copyagroupofselectednodes,MapInfoProtreatsthesetofnodesasapolylineobject,andplaces
thepolylineontheclipboard.Ifyouthenpastetheobject,MapInfoProplacesthepolylineonyour
map.Atthispoint,youmaywanttoperformConverttoRegions,dependingonwhetheryouwant
thefinishedobjecttobearegion.
ConverttoRegionsalsoallowsyoutoperformnode-editingoperations(forexample,addingand
movingnodes)onobjectsthatordinarilydonotallownodeediting.Forexample,MapInfoProdoes
notallowyoutoaddnodestorectangleobjects;however,ifyouconvertarectangleobjecttoa
region,youcanthenaddnodestotheregion.
Toconvertobjectsintoregionobjects:
1. MaketheMapwindowactive.
2. Choosethelayercontainingtheobjectsandmakeiteditable.
3. Selectoneormoreobjectsfromtheeditablelayer.
4. ChooseObjects>ConverttoRegions.
WhenyouchooseConverttoRegions,MapInfoProconvertseachoftheselectedobjectsinto
aregionobject.Eachobjectisconvertedintoaseparateregion;MapInfoProdoesnotcombine
allselectedobjectsintooneregion.Tocombineobjects,usetheCombinecommand.
MapInfoProautomaticallyassignsthecurrentregionstyletoeachoftheregionobjects.To
specifyaregionstyle,chooseOptions>RegionStyle.
Line,polyline,arc,ellipse,rectangle,androundedrectangleobjectsmayallbeconvertedto
regions.TheConverttoRegionscommanddoesnotaffectpointobjects,textobjectsandregion
objects.
5. Formoreinformation,seetheCreatingRegionsfromPolygonalAreasEnclosedbyPolylines
topicintheHelpSystem.
WorkingwithRaster and Grid Layers in Layer Control
Arasterimageisatypeofcomputerizedimagethatconsistsofrowafterrowoftinydots(pixels).
Ifyouhaveascannerandscannersoftware,youcancreatearasterimagebyscanningapaper
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