Nurbs汽车方向盘建模的Maya教程

第第页Nurbs汽车方向盘建模的Maya教程

fromfrontview,createthisprofilecurve(fig1),andmoveitto-0.95ofza*hiscase,iuseameasurementofaround5.7cm(fig2).usethecreatemeasuretoolsdistancetooltocheckthedistance.

在前视窗里创建轮廓曲线(fig1),并在z轴方向上移动约-0.95.在这个教程里，我的尺寸约为5.7cm(fig2).你可以运用createmeasuretoolsdistancetool来检查你的尺寸.

fig1

fig2

fromsideview,duplicatethiscurveandmovethenewcurveto0.951ofza*is(fig3),thentweakthisnewcurvescvsintothisshape(fig4),soitlookssmallerthantheoriginal.

在侧视图复制曲线，并在z轴方向上移动约为0.951(fig3),然后将新复制的曲线移动各cv点使其外形像(fig4)所示，可以看出它比原来的曲线轮廓要小。

fig3

fig4

Ne*t,selectthe2curvesandgotosurfaceloft(fig5).OK.Ne*tcreateaNURBScylinderwithradius2,heightratio3,sections20,spans12(fig6).

接下来，选择这两条曲线并surfaceloft(fig5).Ok.创建一个Nurbs圆柱体，半径为2，高为3，sections为20,span为12(fig6).

fig5

fig6

Nowfromsideview,rescaletheZvalueto0.216(fig7).Ne*t...clicktheselectbycomponenttypebutton

,gotofrontviewandselectthesecenterCVs(seefig8).

回到侧视窗，将圆柱体的z轴方向缩小到0.216(fig7).接下来选择中间的一些CV点(fig8).

fig7

fig8

fig3

fig4

ne*t,selectthe2curvesandgotosurfaceloft(fig5).ok.ne*tcreateanurbscylinderwithradius2,heightratio3,sections20,spans12(fig6).

接下来，选择这两条曲线并surfaceloft(fig5).ok.创建一个nurbs圆柱体，半径为2，高为3，sections为20,span为12(fig6).

fig5

fig6

nowfromsideview,rescalethezvalueto0.216(fig7).ne*t...clicktheselectbycomponenttypebutton

,gotofrontviewandselectthesecentercvs(seefig8).

回到侧视窗，将圆柱体的z轴方向缩小到0.216(fig7).接下来选择中间的一些cv点(fig8).

fig7

fig8

nowmovetheselectedcvsto1.433ofza*is(fig9),youcanseethecvsa*isvalueinthecvspanel(rightside).

将它们在z轴方向上移动约1.433的距离，你可以在右边通道栏里看到数值.

fig9

ne*t,selectyourloftedobject,shift-selectthecylinder,gotoeditnurbssurfacefilletcircularfilletoptionbo*andapplythesesettings(fig10).note:use0.0010forpositionaltoleranceforbetterfillettolerance,hitfillet,thenyoullhavethisfigure(fig11).

接下来，选择你loft成的曲面，按shift键选择圆柱体，到editnurbssurfacefilletcircularfilletoptionbo*选项框里运用这个设置(fig10).

记住:运用0.0010的数值给positionaltolerance，这样你就可以得到(fig11).

fig10

fig11

ne*t,selectthecylinder,gotoeditnurbstrimtools,selectoneofthewhitetrimareas(fig12),rotateyourcameraviewtobackside,andselectbackcenterarea(fig13)thenhitenter.

接下来，选择圆柱体，到editnurbstrimtools,选择要保留的曲面区域，如(fig12)(fig13)所示，然后trim它。

fig12

fig13

ne*t,selecttheloftedobject,gotoeditnurbstrimtools,selectoneofcentertopareas(fig14)thenhitenter(fig15).

选择loft出来的曲面，到editnurbstrimtools,选择要保留的曲面区域，如(fig14)(fig15)所示，然后trim它。

fig14

fig15

ne*tfromfrontview,createanurbstoruswithradius3.8,sections22,heightratio0.08,rotateitto90%26deg;of*a*is(fig16),thenselectthese4cvsandrescalethemalittlebittowardsthecenter(useleftmanipulatortorescalethem)(fig17).

回到前视窗，创建一个nurbs圆环，半径为3.8,section为22，hightratio为0.08,并在*轴方向上旋转90度(fig16),选择这4个cv点并将它们向中心方向拉伸一点.(fig17)

fig16

fig17

ne*t,createanurbscirclewith18spans,rotateittoaround-41.676%26deg;ofza*isandrescaleto0.238ofzscale,translateitto-2.484of*a*isand-2.736ofya*is(fig18).ne*t,youneedtoduplicateandrotatethiscurveseveraltimestowardsthetopleftsideandtweaksomecvs(seefig19).

接下平，创建一个nurbs圆曲线，span为18,并在z轴方向上旋转-41.676度，并将z轴方向缩小到0.238,在*轴方向上移动到-2.484，y轴移动到-2.736(fig18).接下来你需要复制一些曲线并旋转移动到(fig19)，适当移动它们的一些cv点。

fig18

fig19

ne*t,selectallofthesecurvessequentiallyandgotosurfaceloft(fig20).ne*tcreateanurbscylinderwith16sections,4spans,heightratio2,rotateitto90of*a*is,scaleit0.462of*a*is,rotateittoaround30.818%26deg;ofza*is,andthenrescaleonerowoftheoutercvs.rescalethemverysmalluntilitlooksliketheyaretouchingeachother(fig21).按顺次选择这些曲线并surfaceloft(fig20).接下来创建一个nurbs圆柱体，sections16，4spans,heightratio2,并在*轴方向上旋转90度,*轴方向上缩小到0.462,在y轴方向上旋转30.818度，并拉伸一些cv点到看上去都接触到一起。

fig20

fig21

ne*t,putthisnewcylindertothehalfsideofthenewloftedobjectatthisposition(fig22),heresthefrontview(fig23).thiscylinderwillcutouthalfoftheloftedobject(forbuttonplacearea).

接下来将这个圆柱体移动到新loft曲面四周(fig22)，前视窗中如(fig23).

fig22

fig23

ne*t,selectthecylinder,shift-selecttheloftedobject,thengotoeditnurbssurfacefilletcircularfilletoptionbo*andapplythesesettings(fig24),thenyouwillhaveanewfilletarea(fig25).

接下来，选择这个圆柱体，按shift键选择loft物体，到editnurbssurfacefilletcircularfilletoptionbo*运用这一选项，你将可以得到如(fig25).fig24

fig25

ne*tselectthecylinderandgotoeditnurbstrimtools,selecttheinsideofthecylinderwhitearea(fig26)andhitenter(fig27).

接下来选择圆柱体并editnurbstrimtools它，选择要保留的区域(fig26),trim后得到(fig27).

fig26

fig27

ne*tselecttheloftedobjectandgotoeditnurbstrimtools,selecttheoutsideoftheloftedobjectwhitearea(fig28)andhitenter(fig29)

接着我们再editnurbstrimtools那个loft出来的曲面，选择要保留的区域如(fig28),并trim得到(fig29).

fig28

fig29

nowgotoeditselectallbytypenurbssurfaces,thengototherenderingmodule,gotorendersetnurbstessellationoptionbo*andapplythesesettings(fig30),thenhitsetandclose.

到editselectallbytypenurbssurfaces,renderingmodule,进入rendersetnurbstessellationoptionbo*设置如(fig30)点击setandclose.

fig30

ne*tfromfrontview,createthesebuttonprofilecurves(fig31),duplicateeveryprofilecurveseveraltimes,andrescalethelastcurveintoasmallerproportionalcurve(fig32).

回到前视窗，创建如(fig31)所示的曲线，复制并移动如(fig32),并将最末的'一条曲线缩小一点.

note:youcouldcreateyourownbuttonprofileifyouwantto.

你可以自己创建你喜爱的曲线。

fig31

fig32

ne*t,selecteverysetofthem(sequently),thengotosurfaceloft(fig33),thenselecteverytopcurvethengotosurfaceplanartoclosethebuttonstopareas,anddosomevariationwiththecurves(fig34).

接下来，按顺次选择这些曲线并surfaceloft(fig33),依此选择每条最末的曲线并surfaceplanar以闭合这些曲面(fig34).

fig33

fig34

nowgotodisplayhidehidegeometrynurbscurves,tohideallofyourcurves,thenselectallofthesebuttonsthendragthemtotheirplaces(fig35).ne*tfromfrontview,selectallcenterobjectsthenhidethem(bypressingctrl-h)(fig36).

隐蔽nurbs曲线，指令displayhidehidegeometrynurbscurves,将这些曲面移动到如(fig35).回到前视窗，选择中心的物体并隐蔽它们(按ctrlh)(fig36).

fig35

fig36

thenselectalltheobjects(notthemaintorus),thengotoeditgroup.hitgroup...waitwhilemayaiscalculatinggroup.whenfinished,gotoeditduplicateoptionbo*,thenapplythesesettings(fig37),thenyouwillhaveamirroredobjectontheotherside(fig38).

选择那些物体(不包含主要的圆环),用editgroup成组.成组后，复制它，选项如(fig37).复制后如(fig38).

fig37

fig38

nowgotodisplayshowshowgeometrynurbssurfaces,toshowallofyournurbsgeometry,thenyoushouldhavetheseobjectsatthispoint(fig