61
Definition
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TheU.S.MilitaryGridReferenceSystem(MGRS)
isagridreferencesystemthatMapInfo
MilitaryGridReferenceSystem
Professionalsupportswhendisplayingmapsina
Mapwindow.Itisthemilitaryversionofthe
civilian-useUniversalTransverseMercator(UTM)
gridsystem.Militarygridreferencesareverysimilar
tothemathematicalCartesianx,ysysteminwhich
coordinatesaregivingintermsofx(easting)and
y(northing).Inthissystem,theworldisgenerally
dividedinto6°by8°geographicareas,eachof
whichisgivenauniqueidentification,calledthe
GridZoneDesignation.Theseareasarecovered
byapatternof100,000-metersquares.Each
squareisidentifiedbytwoletterscalledthe
100,000-metersquareidentifications.Areference
keyedtoagriddedmapofanyscaleismadeby
givingthe100,000-metersquareidentification
togetherwiththenumericallocation.Numerical
referenceswithinthe100,000-metersquareare
giventothedesiredaccuracyintermsofthe
easting(E)andnorthing(N)gridcoordinatesfor
thepoint.TheGridZoneDesignationusuallyis
prefixedtotheidentificationwhenreferencesare
madeinmorethanonegridzonedesignationarea.
Foranygivenmapobject,thesmallestrectangle
thatcompletelyencompassestheobject.
MinimumBoundingRectangle(MBR)
Theprojectioninwhichamap'scoordinatepoints
arestored.MapInfoProfessionalallowsyouto
nativeprojection
displaymapsinotherprojections,butnotasfast
asdisplayingmapsintheirnativeprojection.
Anend-pointofalineobject,oranend-pointofa
linesegmentwhichispartofapolylineorregion
object.
node
Amapinwhichobjectsarenotexplicitlyreferenced
tolocationsontheearth'ssurface.Floorplansare
typicalexamples.
Non-Earthmap
AnODBCdriverisadynamic-linklibrary(.DLL)file
thatMapInfoProfessionalusestoconnecttoan
ODBCdrivers
SQLdatabase.EachtypeofSQLdatabase
requiresadifferentODBCdriver.
AnODBCtableisatableresidinginaremoteSQL
database.
ODBCtable
Manyofourinternationalcustomerswanttodisplay
MasterMapGMLfilesdevelopedbytheOrdnance
OSGBMasterMapGMLFiles
SurveyofGreatBritain(OSGB).Weprovide
supportforsomeoftheTopographyfeatures
(OSGBversion2.0),TopographicArea,Linesand
Points,CartographicSymbolsandBoundaryLines.
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61
Definition
Term
Wemaintainsupportforthesefeaturesandadd
supportforCartographicTextandDeparted
Features.MapInfoProfessionalwillcontinueto
supportGMLfilesastheOSGBupdatesthe
schemathatunderliestheGMLtechnology.
AstheGMLformatgetsmoresophisticatedinits
supportofadditionallayers,featuretypes,and
attributes,wewillcontinuetoprovidefullsupport
forthosechanges.Currently,wesupporttheOSGB
recommendedstylesbymappingthestyle
definitionstoexistingMapInfoProfessionalstyles.
Whereitisnotpossibletorendercomplicatedfill
patterns,weusethesimpledotscreenthatthe
OSGBrecommendedtous.TheOSGBstyle
mappingtoMapInfostylesishardcodedsoit
cannotbechanged.
FormoreinformationaboutOSMasterMapsee
www.ordsvy.gov.uk/os_mastermap/home/home.htm.
Atypeofmulti-tablejoinwherealltherecordsin
thespecifiedtablesareincludedintheresulttable,
outerjoin
evenrecordsthatdonotmatchthejoincriteria.
MapInfoProfessionaldoesnotperformouterjoins.
TheprocessofcompressingMapInfotablessothat
theyuselessdiskspace.
pack
Atypeofthematicmapthatdisplaysapiechartof
thematicvariablesforeachrecordinthetablefrom
whichthemapisbased.
PieChartmap
Atypeofmapnamedafterthepracticeofinserting
push-pinsintoawallmap.Apinmapfeaturespoint
PinMap,Push-Pinmap
objects.Geocodingadatabaseisonewayof
creatingapinmap.
Theacronymforpictureelement.Thesmallestdot
thatcanbedisplayedonacomputerscreen.Ifa
pixel
screenisdescribedashavingaresolutionof1,024
x768,thescreenshows1,024pixelsfromrightto
left,and768pixelsfromtoptobottom.Each
character,object,orlineonthescreeniscomposed
ofnumerouspixels.
AmapobjectdefinedbyasingleX,Ycoordinate
pair.Eachpointobjectisrepresentedbyasymbol
style(forexample,circle,square,triangle,etc.).
point,pointobject
Aunitofmeasurementequalto1/72ofaninch.
Usedtomeasurecharactersize.
pointsize
Anarrow-shapedcursoronthescreenthatcanbe
manipulatedbyamouse.
pointer
Asimpleboundedregion,simpleinthesensethat
itdoesnotconsistofmorethanonepolygon(where
polygon,polygonobject
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C#: How to Delete Cached Files from Your Web Viewer C#.NET rotate PDF pages, C#.NET search text in PDF VB.NET How-to, VB.NET PDF, VB.NET Word, VB Introduce Visual C#.NET Developers the Ways of Deleting Cache Files.
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Definition
Term
aboundarycanconsistofmorethanonepolygon).
ThePolygontoolcreatesasinglepolygon.
ThePolygonbuttonallowsyoutoaccessthe
Polygontool.UsethePolygontooltodraw
polygonsonesideatatime.
Polygonbutton
Aspatialoperationthatmergesoverlapping
polygonsfromtwolayerstoanalyzethose
polygonoverlay
intersectedareasortocreateathirdlayerofnew
polygons.
Alinetypeobjectmadeupofmanylinesegments.
Itcontainsmorethantwonodes,thatis,morethan
polyline,polylineobject
itsendpoints.ThePolylinetoolcreatesasingle
polyline.Incontrast,theLinetoolonlydrawsa
singlestraightline(thatis,alinedefinedbytwo
nodes).
ThePolylinebuttonallowsyoutoaccessthe
Polylinetool.UsethePolylineTooltodraw
Polylinebutton
polylines(aconnectedsequenceoflinesthatare
notclosed).
Amathematicalmodelthattransformsthelocations
offeaturesontheearth'ssurfacetolocationsona
projection
two-dimensionalsurface,suchasapapermap.
Sinceamapisanattempttorepresentaspherical
object(theearth)onaflatsurface,allprojections
havesomedegreeofdistortion.Amapprojection
canpreservearea,distance,shapeordirectionbut
onlyaglobecanpreservealloftheseattributes.
Someprojections(forexample,Mercator)produce
mapswellsuitedfornavigation.Otherprojections
(forexample,equal-areaprojections,suchas
Lambert)producemapswellsuitedforvisual
analysis.
Atemporarytableproducedastheresultofa
Select,SQLQuery,orbychoosingobjectsina
querytable
MapwindoworrecordsinaBrowserandmapping,
graphing,orbrowsingthatselection.Youcannot
makeeditsandstructuralchangesonquerytables,
butyoucaneditaselectedsetofrowsinyour
sourcetablethroughaquerytable.Seeselection
andbasetable.
TheRadiusSelectbuttonallowsyoutoaccessthe
RadiusSelecttool.Usethistooltoselectallofthe
RadiusSelectbutton
objectswithinacertainradius.SeeUsingthe
RadiusSelectTool.
Atypeofthematicmapthatdisplaysdataaccording
torangessetbytheuser.Therangesareshaded
usingcolorsorpatterns.
Rangedmap
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Definition
Term
Atypeofcomputerizedpictureconsistingofrow
afterrowoftinydots(pixels).Rasterimagesare
rasterimage
sometimesknownasbitmaps.Aerialphotographs
andsatelliteimageryarecommontypesofraster
datafoundinGIS.Acomputerimagecanbe
representedinrasterformatorinvectorformat.
Seescanningandvectorimage.
Alltheinformationaboutoneobjectinadatabase
ortable.Arecordinatablecorrespondstoarow
inaBrowser.
record
TheRectanglebuttonallowsyoutoaccessthe
Rectangletool.UsetheRectangletooltodraw
rectanglesandsquares.
Rectanglebutton
Theprocessofassigningmapobjectstogroups.
Asyouassignmapobjects,MapInfoProfessional
redistricting
automaticallycalculatestotalsforeachgroupand
displaysthetotalsinaspecialDistrictsBrowser.
Thisprocessissometimesknownas
load-balancing.
Amatrixoflettersandnumbersthatassistusers
insomestyledialogboxesthatidentifyspecificline
styles,colors,andpatterns.
referencegrids
Anenclosedareadefinedbyoneormorepolygons.
Ifaregioncontainsoneormorelakesorislands,
region,regionobject
eachlakeorislandisaseparatepolygon.Aregion
isanobjectcreatedwiththePolygontool.
UsetheRegionStylebuttontoaccesstheRegion
Styledialogbox.TheRegionStyledialogbox
RegionStylebutton
allowsyoutospecifythecolor,pattern,and
borderlinestyleofclosedobjects.Youcanalso
changethecolorandpatternofobjectsyouare
currentlyediting.
Usuallythefirststageofthedigitizingprocessor
whenopeningarasterimageforthefirsttimein
registration
MapInfoProfessional.Beforeyoucandigitizea
papermaporworkwitharasterimage,youmust
pointtoseveralcontrolpointsacrossthemap,and
entertheircoordinates(forexample,longitude,
latitude).Afteryouhaveregisteredthemap,
MapInfoProfessionalcanassociatealongitude,
latitudepositionwithanypointonthemapsurface;
thisallowsMapInfoProfessionaltoperformarea
anddistancecalculations,andoverlaymultiplemap
layersinasinglemap.CADsystemsaswellas
GISsystemsutilizethisprocess.Seecontrol
points.
TheReshapebuttontogglesyouinandoutof
Reshapemode.Usereshapetoeditregions,
Reshapebutton
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Definition
Term
polylines,lines,andpointsbymoving,adding,and
deletingnodesthatdefinelinesegments.Youcan
alsocopyandpasteselectednodestocreatenew
polylines.Reshapeisveryusefulwhenyouare
creatingsalesterritoriesorothermerged
boundaries.Forexample,youaremergingZIP
Codeboundariestocreateschooldistricts.Some
ZIPCodeboundariesfallintomorethanoneschool
district.UsetheReshapebuttontoreshapethe
schooldistricttoincorporateasectionoftheZIP
Codeboundary.SeeReshapingMapObjects.
Resultcodesindicatewhetherageocodematch
wasmadeandthetypeofmatchitwas,and
resultcode
conveysinformationaboutthequalityofthematch.
Theresultcodeisanalphanumericcodeof1-10
characters.
TheRoundedRectanglebuttonallowsyouto
accesstheRoundedRectangletool.Usethe
RoundedRectanglebutton
RoundedRectangletooltodrawrounded
rectanglesandsquares.
TheRulerbuttonallowsyoutodeterminethe
distancebetweentwopointsandthelengthofsome
path.
Rulerbutton
TheRunMapBasicProgrambuttonaccessesthe
RunMapBasicApplicationdialogboxwhereyou
specifytheMapBasicprogramyouwanttorun.
RunMapBasicProgrambutton
Anadornmentonthemapthatshowsthescaleof
maprepresentationrelativetotheportionofthe
Earth'ssurface.
scalebar
Theprocessofinputtingdataintoarasterformat
usinganopticaldevicecalledascanner.
scanning
Barsalongtherightandbottomsidesofeach
windowthatallowyoutoscrollthewindowview.
scrollBar
Clickingontheshadedareamovesonewindow
screenatatime.
Aseamlesslayertreatsagroupofbasetablesas
iftheyareone.Itallowsyoutochangedisplay
seemlesslayer
attributes,applyorchangelabelingorusetheLayer
Controlwindowforanentiregroupoftablesat
once.AbasetablecanbeanyregularMapInfo
Professionaltable.Gridlayerscannotbemade
seamless.
TheSelectbuttonallowsyoutoaccesstheSelect
tool.UsetheSelecttooltoselectoneormore
Selectbutton
objectsorrecordsforanalysis.Youcanalsouse
theSelecttooltoeditamaporbrowser.See
SelectingaSingleObjectfromaMaporLayout.
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Definition
Term
Adataitemorsetofdataitemschosenfor
inspectionand/oranalysis.Regardlessofthekinds
selection
ofwindowsonthescreen,selectionscanbemade
usingtheSelectandSQLSelectQuerycommands
inMapInfoProfessional'sQuerymenu.InBrowsers
andMapwindows,itemscanbeplacedinthe
selectionsetbyclickingonthemindividually.Map
windowsalsohavespecialtoolsforselecting
multipleitemsonaspatialbasis.
Usethisbuttontomaketheselectedobject'sdistrict
thenewtargetdistrict.Seeredistricting.
SetTargetDistrictfromMapbutton
TheMapBasicwindowbuttonallowsyoutodisplay
orhidetheMapBasicwindow.Youcanperform
ShowMapBasicWindowbutton
manydifferenttasksbytypingcommandsintothe
MapBasicwindow.ChoosingitemsfromMapInfo
Professional'smenuscouldinsteadperformthose
sametasks.Therearetimes,however,whenitis
easiertotypecommandsintothecommand
window.
Afeaturethathelpsindrawing,movingand
positioningmapobjects.InSnapmode(Skey)the
snaptonodes
cursorsnapstoanodeofamapobjectwhenit
comeswithinacertaindistance.
Apermanenttable,asopposedtoaquerytable,
whichistemporary.Youcaneditthecontentsof
sourcetable
sourcetablesandyoucanchangetheirstructure
(byediting,deleting,reorderingcolumnsandadding
ordeletinggraphicobjects).Youcannotmakeedits
andstructuralchangesonquerytablesbutyoucan
editaselectedsetofrowsinyoursourcetable
throughaquerytable.
Anoperationthatexaminesdatawiththeintentto
extractorcreatenewdatathatfulfillssomerequired
spatialanalysis
conditionorconditions.ItincludessuchGIS
functionsaspolygonoverlayorbuffergeneration
andtheconceptsofcontains,intersects,withinor
adjacent.
Latitudeandlongitudevaluesthatrepresentobjects
onthesurfaceoftheglobe.
sphericalcoordinates
Astandardlanguageusedforanalyzinginformation
storedinrelationaldatabases.MapInfo
SQL(StructuredQueryLanguage)
Professional'sdatabaseengineisbasedonthe
SQLstandard.
Theselectionofinformationfromadatabase
accordingtothetextualattributesandobject
SQLquery
relationshipsoftheitems.InMapInfoProfessional,
queriesarecreatedwiththeSQLSelectandSelect
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Definition
Term
commandsorwithMapBasiccommandsinthe
MapBasicwindow.
Alistofstylesdrawnontopofeachothertocreate
amorecomplexorinterestingmapfeature.Stacked
stackedstyle
stylesapplytopoints,polylines,andpolygon
features.
Ameasurementofthevariationofasetofdata
valuesaroundthemean.
standarddeviation
Awindowcontainingbuttonsforquickaccessto
themostcommonlyusedmenucommandssuch
asCut,Copy,andPaste.
Standardtoolbar
UsetheStatisticsbuttontodisplaytheStatistics
window.TheStatisticswindowtalliesthesumand
Statisticsbutton
averageofallnumericfieldsforthecurrently
chosenobjects/records.Thenumberofrecords
chosenisalsodisplayed.Astheselectionchanges,
thedataisre-tallied,andthestatisticswindowis
updatedautomatically.Seeredistricting
Awindowcontainingthesumandaverageofall
numericfieldsforthecurrentlyselected
Statisticswindow
objects/records.Thenumberofrecordsselected
isalsodisplayed.Astheselectionchanges,the
dataisre-tallied,andthestatisticswindowupdates
automatically.
Abaratthebottomofthescreenthatdisplays
messagesthathelpinusingMapInfoProfessional.
StatusBar
TheStatusBaralsodisplaysmessagesthatpertain
totheactivewindow.InaMapwindow,the
StatusBarindicateswhatlayeriseditable,thezoom
displayofthemap,andthestatusofSnapand
Digitizingmodes.InaBrowserwindow,the
StatusBarindicatesthenumberofrecordscurrently
displayingandthetotalnumberofrecords.Ina
Layoutwindow,theStatusBarindicatesthezoom
displayasapercentageoftheactualsizeofthe
map.
Astandardlanguageusedforanalyzinginformation
storedinrelationaldatabases.MapInfo
StructuredQueryLanguage(SQL)
Professional'sdatabaseengineisbasedonthe
SQLstandard.
AselectstatementthatisplacedinsidetheWhere
ConditionfieldoftheSQLSelectdialogbox.
subselect
MapInfoProfessionalfirstevaluatesthesubselect
andthenusestheresultsofthesubselectto
evaluatethemainSQLSelectstatement.
Asmall,relativelysimpleshape(forexample,
square,circle,star,push-pin)usedtographically
symbol,symbolobject
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Definition
Term
representapointobject(forexample,acustomer
location).
TheSymbolbuttonallowsyoutoaccessthe
Symboltool.UsetheSymboltooltoplacepoint
symbols(pushpins)onyourmap.
Symbolbutton
UsetheSymbolStylebuttontoaccesstheSymbol
Styledialogbox.TheSymbolStyledialogbox
SymbolStylebutton
allowsyoutodisplaysymbolsandspecifyattributes
forsymbols.Theattributesyoucanspecifyare
size,color,andsymboltype.Youcanchangethe
attributesofexistingsymbolsandspecifyattributes
fornewpointobjectsbeforeyoucreatethem.The
pointobjectsmustreside,orbecreatedinan
editablelayer.Seesymbol,symbolobject.
Atableismadeupofdatainrowsandcolumns.
Eachrowcontainsinformationaboutaparticular
table
geographicfeature,event,etc.Eachcolumn
containsaparticularkindofinformationaboutthe
itemsinthetable.Youcandisplaytableswith
graphicinformationstoredinthemasmaps.See
basetableandquerytable.Seealso layer.
Inatable,arowcontainsalltheinformationfora
singleitem.Itcorrespondstoarecordinatable.
tablerow
ThedistrictthatisselectedinaDistrictsBrowser
tobeaffectedbysubsequentredistricting
operations.
targetdistrict
UsetheTextButtontoaddtitles,labels,and
annotationstomapsandLayouts.Youcanalso
usetheTextTooltorotatetextwithitsedithandle.
Textbutton
Ablinkingverticalbarthatshowsthepositionwhere
textcanbeedited,inserted,ordeleted.
textcursor
UsetheTextStylebuttontoaccesstheTextStyle
dialogbox.TheTextStyledialogboxallowsyou
tochooseafontandfontsettingsforyourtext.
TextStylebutton
Alayercontainingthethematicsettingsforamap
layer.Thematiclayersaredrawndirectlyoverthe
thematiclayer
maplayeronwhichthethematicsettingsare
based.Theyarealsodrawninaparticularorder,
dependingonthenumberofthematiclayersyou
haveandthetypeofthematicmapobjectsyouare
creating.
Atypeofmapthatusesavarietyofgraphicstyles
(forexample,colorsorfillpatterns)tographically
thematicmap
displayinformationaboutthemap'sunderlying
data.Thus,athematicmapofsalesterritoriesmight
showoneregionindeepred(toindicatetheregion
hasalargenumberofcustomers),whileshowing
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