maya渲染设置2Maya render settings 2Word文件下载.docx
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maya渲染设置2Maya render settings 2Word文件下载.docx
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在岗位上应用雾
将雾的渲染作为一个后续过程当本参数处于选中状态时,你可以设置后雾模糊。
阴影服从灯光由有链接的灯光投射阴影。
开关选项。
处于选中状态时,只有与一个表面建立了链接关系的投射阴影灯光才给该表面投射阴影。
如果处于关闭状态,所有的阴影投射灯光都对所有表面物体投射阴影,即使表面与灯光之间没有建立链接关系默认状态为上。
使深度图
处于选中状态时,玛雅给所有打开深度阴影映射的灯光建立深度阴影映射。
如果处于关闭状态,玛雅不渲染深度映射阴影参数的默认状态为选中状态使深度图。
默认灯光
点击检查框关闭默认灯光。
详细内容参考软件手册有关内容。
忽略了电影的大门
处于选中状态时,玛雅只渲染分辨率门中能见的部分。
如果关闭,玛雅只渲染胶片指示器(拍门)中可见的部分,此框以外的部分渲染成黑色。
如何在交互方式中查看胶片指示器中所见范围。
参考软件手册中”摄像机的设置(相机设置)”和”胶片指示器(电影门两部分默认状态为选中状态)”。
剪辑最后的阴影颜色
处于选中状态时,渲染完成后的图片中所有的颜色值保持在0到1之间。
这可以保证整个图片中没有曝光过度的部分。
如果关闭,渲染出的图片中颜色值可能会大于默认状态为处于选中状态1。
伽玛校正,伽玛校正
在渲染完成后会对渲染图片进行颜色校正,颜色校正按下面的公式计算其默认值为1。
复合合成
处于选中状态时,玛雅在渲染物体时不针对背景作反走样处理。
例如,一个处于物体边缘的像素不会与背景的颜色进行混合(在TIFF格式中,玛雅生成不相关的α通道)。
如果关闭此选项,玛雅针对背景进行反走样处理。
非选中状态为默认值。
复合阈值
当复合处于选中状态时,此参数用于控制边缘反走样的程度。
如果你的图片将用于游戏,同时你使用的是8位或16位颜色,设置复合阈值值为1就可获得光滑、无锯齿的物体边缘默认设置为0。
节1.08十、内存和性能选项
内存和性能选项部分的参数帮助你优化渲染过程加快渲染速度。
镶嵌
帮助管理玛雅如何处理表面的镶嵌信息。
使用文件缓存
将几何体的信息保存在一个缓存文件中,这样可以减少保存几何体信息所占用的内存量。
优化实例
处于选中状态时,如果场景中包含几个同样的表面(例如关联复制表面或独立创建的相同表面),玛雅只对其中的一个进行镶嵌处理,以节省时间和磁盘空间。
默认状态为选中状态。
利用镶嵌
处于选中状态时,玛雅每一帧都将镶嵌的信息临时保存在硬盘上。
这对于包含深度映射阴影的场景非常有用。
例如,在渲染的过程中玛雅在生成一盏灯的深度映射时对这些表面进行镶嵌处理(并保存在硬盘上),
Thisinformationcanbeusedagainwhenrenderingthedepthmapofanotherlightintherenderingofthisframe.(whenthenextframeisrendered,Mayawilldeletetheinformationandrecalculateit.).Thedefaultstateisselected.
UseDisplacementBoundingBox
Whenusingdeformablemappings,renderingwilltakealotoftimebecauseMayaisgoingtoinsertallthedeformedmappedsurfacesandcalculatetheirboundsbeforerendering.WhenyouopentheUseDiaplacementBoundingBoxoption,Mayacalculatesthelimitframeratioforallthemappedsurfaces.Thiswillspeeduprendering.Closethisoption,andMayapre-insertthesurfaceofalltexturingmapsbeforerendering.
Section1.09Raytracing
Helpscontrollightandshadowtracking.Forshadowtracking,seeRaytracingQuality.
Raytracingisarenderingtypethatcalculatesthepathofasinglelightfromthedestinationpoint(camera)tothestartpoint(GuangYuan).Lighttrackingtakesalotoftime.
Raytracedshadowistheshadowproducedduringthetrackingoflightandshadow.Inmostcases,theRaytracedshadowcanproduceverygoodresults,buttogettheRaytracedshadow,theentirescenemustbetrackedbylightandshadow,whichusuallytakesalotoftime.
Raytracedshadowsareusedonlytocreateveryfewshadowsthatcannotbegeneratedwithdepthmaps(suchascolortransparentsurfaces,projectedshadows).
AvoidblurringshadowswithRaytracedshadows.Itcantakealotoftimetoproducehighqualityfuzzyboundaryshadowsbymeansoflightshadowtracking.(byusingthedepthmappingprojectionmethod,agoodblurboundaryshadowcanbeobtained).
RecursionDepth
Thenumberofiterationsofshadowtrackinginrendering.Forcomplexscenes,thiscantake2to3.Forsimplescenes,thisvalueis1.Thedefaultvalueis2.
LeafPrimitives
Determinethemaximumnumberoftrianglesineachofthethree"
pixelpoints"
beforeenteringthenextiteration.Thedefaultvalueis200.
SubdivisionPower
Thegrowthindexofthetriangleinathree-dimensionalpixelpointiscalculatedtocalculatehowmany"
3D"
pixelsareneededtoachievetherequirednumberofiterations"
.Thedefaultvalueis0.2500,whichappliestomostscenes.Thiscanbeslightlyimprovedforverycomplexpartsofanextremelycomplexsceneorscene.
Section1.10Multi-Processing
Intherenderingwindow,youcanusemultithreadingtorenderinteractively.Itprovidesthesameexecutionprocessasbatchrendering.ThenumberofCPUforinteractiverenderingandIPRrenderingcanbesetbytheuser.Mayasavestheparametersyousetwiththescene.
UseallavailableCPUs
Thedefaultstate,allCPUisavailable.Ifthisoptionisturnedoff,thesliderforthefollowingoptionisavailable.
Number,of,CPUs,to,use
Thesliderforthisparametercanbedraggedfrom1to8,butifnecessary,thisvaluecanbereachedbykeyboardinputto256.Enter0orturnontheselectswitch,andallCPUcanbeusedforinteractiverendering.
Section1.11
Section1.12,eleven,IPR,Options
ControlwhatelementsareincludedinIPRrendering.
Render,Shading,Lighting,and,Glow
IPRrenderingincludesshadows,lighting,andglow.
RenderShadowMaps
IPRcontainsdepthmappedshadows.
Render2DMotionBlur
IPRcontains2Dmotionblur.
Section1.13,twelve,Render,Layer/Pass,Control
EnableRenderLayers
Telltherenderertorenderonlythelayerthattherenderableparameteropens.Ininteractivemode,opentherenderablealltheparametersofthelayerarerenderedintoaseparatefile.Inbatchrenderingmode,eachlayerisrenderedtoafile,thefilename:
camera_filename_layername_channelname.Ext.
EnableRenderLayerPasses
Switchingoptions,whenopened,alloweachlayerrenderingtobeanindependentprocess.
EnableGlobalPasses
ThisoptionisavailablewhenEnableRenderLayerPassesisclosed.Therenderingoftheentiresceneisaprocess.
OutputtoSubdirectories
Puttherenderfilesforeachlayerand/orchannelinyourowndirectory.Filename:
.../layerName/passName/camera_filename_layername_passname.ext
RenderPassmanagementspreadsheet
Dependingontherenderinglayerandprocesssettings,thistablecanbeusedtocontrolallthecurrentrenderoptions.SeeCreating,and,displaying,Render,Layers.Thisisawaytocontrolallrenderinglayersandprocesses.
Youcanselecttherenderingprocessforeachlayer(layerprocess),oralltheobjectsinthesceneselectaparticularpath.
ChecktheEnable,Render,Layer,Passes,orEnableGlobalPassestwooptionstodisplaychannelforms,Beauty,Color,Shadow,andotherlayers.
WhentheEnableGlobalPassesischeckedandalllayersareavailable,seebelow:
Beauty
Allcomponentsarerendered,whichisthedefaultoption.
Color
There'
sonlycolorinthepicture,noshadows.
Shadow
Generateonlyshadowportionsofthepicturewithoutcolorinformation.
Insynthesis,theColorandShadowcomponentsaresimilartothoseofBeauty.Theconvenienceisthatyoucanmodifytheshadingindependentlyinthecomposite/drawingpackage.
Diffuse
RenderonlyDiffusecomponents.TheDiffusecomponentcontainsdiffuseandenvironmentalinformation,whichisdeterminedbycolor,transparency,andDiffuseCoeff(diffusereflectance).
Specular
Onlyspecularspecularhighlights.Thecalculationofspecularhighlightsdependsonthematerialoftheobject.ThespecularhighlightsofPhong,PhongE,Blinn,andAnisotropicaredifferent.Forexample,Phongmaterialspecularhighlightcalculationusingcosineindexandspecularspecularcolor.
Note:
alphadoesnotincludeSpecularPass(channelmask).
Creatinganddisplayingrenderinglayers
Therenderlayerlistsalltheobjectsthatcanberenderedsothatyoucanquicklyworkandseparatedifferentrenderingchannels(whichareusefulforlatercompositing).Oncetherenderinglayeriscreated,youcansettherenderinglayerintheRenderLayer/PassControlsection.
DetailsaboutmanagingtherenderlayerusingLayer,Manager,andRelationshipEditoraredescribedindetailintheUsingMaya:
Essentialsfascicle.
TosetupmultiplelayersinRenderLayer/PassControl,usetheRenderPassmanagementspreadsheet.
CreatingarenderinglayerinLayerManager:
LayerManagerislocatedbelowChannelBox:
1,1,andfromthedrop-downmenu,selectRender.
2,2,selectLayers>
CreateLayer.
SetswhethertherenderlayerisRenderable:
1,1,selectarenderlayerfromLayerManager,andthenselectLayers>
EditSelectedLayer(s).TheEditLayerwindowdisplaystheselectedlayer;
2,2,inthiswindow,youcanrenamethelayer(intheNamebox),clickthecheckboxtoconfirmwhetherthelayerisRenderable,andthensavethesettings.Acheckmarkindicatesthatthelayerwillberendered.
IfRenderbalistickedoff
Objectsthatarenotrenderedintherenderlayerarenotrenderedinthesamefile.Eachlayerisconsideredthecontentofanotherscene.Toseewhatiscontainedineachrenderlayer,useRelationshipEditor(Window>
Relationship,>
Render,Layers,Editors).ThecontentsoftheRelationshipEditoraredetailedintheUsingMaya:
WhenperformingIPRipiIPRtestrendering,allobjectslabeledasRenderablearerenderedinRenderView.
Inbatchrenderingmode,eachlayerisrenderedasaseparatefileforofflinesynthesis.
Determineswhichchannelsintherenderinglayerarerendered
1,1,selectalayerinLayerManager,andselectLayers>
LayerAttributes.InAttributeEditor,selectrenderlayerdisplay.
2,inRenderPassOptions,selectthecontenttoberendered.ThecontentsdisplayedintheRenderViewaremarkedinthewindow.
3,ifnecessary,switchingoptionscanchangethecontenttoberendered.
Thirteen,Paint,Effects,Rendering,Options
Section1.14ontherenderingoptionsforPaintEffects
InstructionsontheuseofPaintToolandparameterselectionaredescribedindetailinUsingMayaainting.ThefollowingisonlyadescriptionofthePaintToolrenderingoptions.
EnableStrokeRendering
Switchoptions,whenselected,renderthePaintEffectstrokesinthescene.Intherender,thereisnostrokeintherenderedscene.Thedefaultstateforthisoptionisselected.
OnlyRenderStrokesonlyrendersstrokes
Switchoptions,whenselected,renderonlythestrokesinthescene.Youmightwanttoseparateyourstrokesfromthescene,renderthem,and
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