1.Definetheslope.2.Definetheslopematerials.3.Assignthematerialstotheslopesegments.4.Definetherockstartinglocations(seeders).5.Computetheanalysis.6.Graphtheresults.DefiningRockSeeders1.Right-clickthemouseandselectVertexSnapfromthepopupmenu.2.Movethecursornearthefirstslopevertex(ie.Thevertexat0,0).Whenthecursorisclosetothevertex,itwill“snap”totheexactlocationofthevertex(sinceweturnedVertexSnaponinstep1).3.Whenthecursor(bluecross)issnappedtothevertex,clicktheleftmousebutton,andtheDefineInitialConditionsdialogwillappear.Select:RocksDefineSlope:Todefinetheslopematerialproperties,selectMaterialEditorfromFigure1-3:MaterialEditordialog.IntheMaterialEditordialog,youwillnoticethatanumberofdefaultmaterialshavebeenpre-definedforyourconvenience.However,forthistutorial,wewilldefinethreenewmaterials,asdescribedbelow.1.SelecttheAddbuttonintheMaterialEditordialog,andnoticethat“NewMaterial”appearsintheExistingMaterialslist.2.ChangethenameofthisnewmaterialtoTypeOne,andenterthepropertiesgiveninTable1-1.3.Repeatsteps1and2todefinetwomorenewmaterialsnamedTypeTwoandTypeThree.SeeTable1-1forproperties.Inmostcasesyouwillfinditeasiertographicallyassignmaterials,ratherthanusetheSlopeEditordialog.Toassignmaterialsgraphically,simply:1.SelecttheAssigntoolbarbutton.2.Selectamaterialfromthelistinthetoolbar.3.Selectslopesegmentswiththeleftmousebutton.(Multiplesegmentscanbeselectedwithaselectionwindow.ClickANDHOLDtheleftmousebuttonanddragtocreateawindow).4.Whenfinished,presstheEnterkeyorright-clickthemouseandselectDone.