Once you have created a new project.docx
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Once you have created a new project.docx
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Onceyouhavecreatedanewproject
User'sGuide
Chapter7
Onceyouhavecreatedanewproject(oropenedanexistingproject)usingtheFilemenu(seeChapter6),youarereadytobuildyourAirpakmodel.Thedefaultroomwillbedisplayedinthegraphicswindowwhenyoucreateanewproject.Youcanresizetheroomifdesired,andthenaddobjectstotheroomusingtheObjectcreationtoolbar.ThischapterbeginswithanoverviewoftheModelmenuandtheObjectcreationtoolbar,anddescribesinformationrelatedtobuildingyourAirpakmodel.Onceyouhavebuiltyourmodel,youwillgoontomeshit,asdescribedinChapter26.
Theinformationinthischapterisdividedintothefollowingsections:
Section7.1:
Overview
_Section7.2:
DefiningtheRoom
_Section7.3:
ConfiguringObjectsWithintheRoom
_Section7.4:
ObjectAttributes
_Section7.5:
AddingObjectstotheModel
_Section7.6:
GroupingObjects
_Section7.7:
MaterialProperties
_Section7.8:
CustomAssemblies
_Section7.9:
CheckingtheDesignofYourModel
7.1Overview
IncreatingyourAirpakmodel,youwillmakeuseofseveralpartsofthegraphicaluserinterface:
theObjectcreationtoolbar,theObjectmedicationtoolbar,theModelnodeintheModelmanagerwindow,andtheModelmenu.
7.1.1TheObjectcreationToolbar
TheObjectcreationtoolbar(Figure7.1.1)containsbuttonsthatallowyoutoaddobjectstoyourAirpakmodelandspecifymaterialpropertiesforthoseobjects.SeeChapters8{19forinformationaboutaddingspecificobjectstoyourAirpakmodel.SeeSection7.7forinformationaboutspecifyingobjectmaterialproperties.
7.1.2TheObjectmodificationToolbar
TheObjectmodificationtoolbar(Figure7.1.2)isusedtomakechangestoobjectsinyourAirpakmodelandcontainsbuttonsthatallowyoutoedit,move,copy,delete,andalignobjectsthatyouhavecreatedwithintheroom.SeeSection7.3forinformationaboutmodifyingobjectconfigurationwithintheroom.SeeSection7.4forinformationaboutmodifyingindividualobjectattributes.
7.1.3TheModelNodeintheModelmanagerWindow
TheModelnodeintheModelmanagerwindow(Figure7.1.3)isusedformanyofthesamefunctionsastheObjectcreationandObjectmodificationtoolbars.RightclickingontheModelnodeanditscorrespondingitemsallowsyoutocreate,edit,move,copy,anddeleteobjectswithinyourAirpakmodel.SeeSection7.3forinformationaboutmodifyingobjectconfigurationwithintheroom.SeeSection7.4forinformationaboutmodifyingindividualobjectattributes.
7.1.4TheModelMenu
TheModelmenucontainsoptionsthatyouwilltypicallyuseonceyouhavefinishedaddingAirpakobjectstoyourmodel.Theseoptionsincludefunctionsrelatedtogeneratingamesh(Model!
Generatemesh)andspecifyingtheorderinwhichobjectsaremeshed(Model!
Editpriorities).ThesefunctionsaredescribedinChapter26.Therearealsooptionsrelatedtoimportinggeometryfromthird-partyCADsoftware(Model!
CADdata)andradiationmodeling(Model!
Radiation)thataredescribedinChapters4and22,respectively.
7.2DefiningtheRoom
Whenyoustartanewproject,Airpakautomaticallycreatesa3Drectangularroomwiththedimension1m_1m_1manddisplaystheroominthegraphicswindow.Thedefaultviewoftheroomisinthedirectionofthenegativezaxis.Thesidesoftheroomrepresentthephysicalboundaryofthemodelandnoobject(exceptforexternalwallswithnon-zerothickness)canextendoutsidetheroom.
Theoptionsformodifyingthedefaultroomareasfollows:
_resizingtheroom
_repositioningtheroom
_changingthewallsoftheroom
_changingthedescriptionoftheroom
_changingthegraphicalstyleoftheroom
Eachoptionisdescribedindetailbelow.ClicktheApplybuttontomodifytheroom
toreflectanychangesyouhavemadetothetextentryfieldsintheroomEditwindow.ClicktheResetbuttontoundoallthechangesyouhavemadetothetextentryfieldsinthepanelandtorestorealltextentryfieldsinthepaneltotheiroriginalstates.Click
theEditbuttontoopentheRoompanel(Figures7.2.2{7.2.5).
7.2.1ResizingtheRoom
Youcanresizetheroominseveraldifferentways:
SpecifythedimensionsoftheroomintheroomEditwindow(Figure7.2.1).YoucanspecifythestartingandendingpointsoftheroombyselectingStart/endinthedrop-downlistatthetopofthewindowandenteringthestartingpointoftheroom(xS,yS,zS)andtheendingpointoftheroom(xE,yE,zE).Afteryoutypeanumberintoatextentryfield(ortypenumbersinseveralfields),youmustclickApplyorpressthe
SpecifythedimensionsoftheroomintheRoompanel(Figures7.2.2{7.2.5).Toopenthispanel,double-clickontheRoomitemundertheModelnodeintheModelmanagerwindow.YoucanspecifythestartingandendingpointsoftheroombyclickingontheGeometrytabintheRoompanel,selectingtart/endfromtheSpecifybydrop-downlist,andenteringthestartingpointoftheroom(xS,yS,zS)andtheendingpointoftheroom(xE,yE,zE).Alternatively,youcanspecifythestartingpointoftheroomandthelengthofthesidesoftheroombyselectingStart/lengthfromtheSpecifybydrop-downlistandenteringthestartingpoint(xS,yS,zS)andthelengthsofthesides(xL,yL,andzL)oftheroom.Holddownthe
ontheroom,andthenmovethemousetoshrinkorenlargetheroom.
IntheobjectEditwindow(Figure7.2.1),clickonthecoordinate(displayedinorange)thatyouwanttochange.Clicktheleftmousebuttononapointinthegraphicswindowthatisinsidetheboundaryofthecurrentroom.Theroomwillbecontractedinthechosencoordinatedirection.Forexample,ifyouclickonyE(value=1.0m)andthenclickonapointinthegraphicswindowwithy=0.7m,
thentheroomheightwillbecontractedsuchthatyEisnow0.7m.Thexandzcoordinateswillremainconstant.ScaletheroomusingtheMoveallobjectsinmodelpanel(Figure7.2.6).Toopenthispanel,right-clickonRoomundertheModelnodeintheModelmanagerwindowandselectMoveobjectfromthepull-downmenu.Alternatively,youcanselecttheroomandclickonthebuttonintheObjectmedicationtoolbar.
Toscaletheroom,turnontheScaleoptionintheMoveallobjectsinmodelpanel.
SpecifythescalingfactorbyenteringavalueintheScaletextentrybox.Thescalingfactormustbearealnumbergreaterthanzero.Valuesgreaterthan1willincreasethesize,whilevalueslessthan1willdecreasethesize.Toscaletheroombydifferentamountsindifferentdirections,enterthescalingfactorsseparatedbyspaces.Forexample,ifyouenter1.523intheScaletextentrybox,Airpakwillscaletheroombyafactorof1.5inthexdirection,2intheydirection,and3inthezdirection.ClickApplytoscaletheroom.ClickDonetoclosetheMoveallobjectsinmodelpanel.
7.2.2RepositioningtheRoom
Youcanrepositiontheroominseveraldifferentways:
SelectorspecifyalocalcoordinatesystemfortheroomintheRoompanel(Figure7.2.3).Model!
RoomBydefault,theglobalcoordinatesystemisused,whichhasanoriginof(0,0,0).Tousealocalcoordinatesystemfortheroom,selectalocalcoordinatesystemfromTheLocalcoordsystemdrop-downlist.Youcanalsocreateanewlocalcoordinatesystem,editanexistinglocalcoordinatesystem,andviewthedefinitionofalocalcoordinatesystem,asdescribedinSection7.3.7.
Youcanrepositiontheroomalongthex,y,andzaxesbyselectingStart/endinthedrop-downlistintheroomEditwindow(Figure7.2.1)orintheSpecifybydrop-downlistintheRoompanel(Figure7.2.3)andmodifyingthestartingpoint(xS,yS,zS)andendingpoint(xE,yE,zE)oftheroom.Alternatively,youcanmodifythestartingpoint(xS,yS,zS)andthelengthsofthesides(xL,yL,andzL)oftheroomifyouselectStart/lengthintheSpecifybydrop-downlistintheRoompanelorinthedrop-downlistintheroomEditwindow.
Holddownthe
Preferences!
InteractionX,Y,Zallowyoutoselectwhichcombinationofthethreeaxestheroomcanbetranslatedalong.Forexample,ifyouwanttotranslatetheroomonlyalongthexdirection,selectXanddeselectYandZnexttoMotionallowedindirection.Xgrid,Ygrid,Zgridallowyoutouseagrid-snaptechniquetopositiontheroomatspecifieddiscretedistancesalongeachaxis.Youcansetthesizeofthegridindependentlyalongeachaxis.Tousegrid-snapalongwiththemousetorepositiontheroom,selectXgrid,Ygrid,and/orZgridandthenentervaluesforXgrid,Ygrid,and/orZgridintherelevanttextentryfields.Airpaksetsthevaluesforthegrid-snapdistancesto1bydefault,andusesthedefaultlengthunitsforyourmodel.Ifnoneofthegrid-snapoptionsareselectedintheInteractiveeditingpanel,themovementoftheroomusingthemousewillbecontinuous.Toapplythechosenoptionstothecurrentprojectonly,clickThisproject.Toapplythechosenoptionstoallprojects,clickAllprojects.MovetheroomusingtheMoveallobjects
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