2011
37
rebuildthecontrolvertices(CVREBUILD)oradd(CVADD)andremove(CVREMOVE)vertices.TheCVEdit
Bar,locatedontheribbon,isaconvenienttoolthatcombinestheCVADD,CVHIDE,and CVREMOVE
functions.
Figure76.NURBSsurface
AnalysisTools
AutoCAD2011providesasetofanalysistoolstohelpyouunderstandthecontinuitybetweendifferent
surfacesthatmakeupaglobalshape.ThesetoolsareavailableintheAnalysispaneloftheSurface
ribbontab.TheZebratoolenablesyoutoanalyzesurfacecontinuitybyprojectingparallellines
ontothe
surface.TheCurvaturetooldisplaysacolorgradientonthesurface,enablingyoutoidentifyhighand
lowareasofcurvature.TheDrafttooldisplaysacolorgradientonthesurface,enablingyouto
determineifamodelhasadequatedraftbetweenapartanditsmold.You
cancontrolthedisplayand
behaviorforeachoftheanalysistoolsusingtheAnalysisOptionsdialogbox.TheAnalysisOptionsdialog
boxisaccessiblefromtheAnalysispanelaswellasfromthe3DModelingtaboftheOptionsdialogbox.
Figure77.Analysisoptions