Geomagic纹理贴图Word格式文档下载.docx

Geomagic纹理贴图Word格式文档下载.docx

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sper-vertexcolortoatexturemap,makeitactivebeforestartingthisfunctionandpickitsnamefromthislist.

∙Statisticsgroup-presentsdetailsoftheresultingtexturemap.

oTexelSizedecimalfield-theaveragesizeofallactualtexels.

oTextureMapsintegerfield-theactualnumberoftexturemaps.（Dependingoncomplexityoftheactiveobject,multipletexturemapsmightbecreated.）

oMax.TextureSize-thelargesttexturesizeinanytexturemap.

∙Resolutiongroup-setsconstraintsfortheresultingtexturemap.

oMin.TexelSizedecimalfield-thelowestacceptablesizeofaresultingtexel.

oMax.TextureMapsdropdown（One,Two,Three,Unlimited）-themaximumnumberoftexturemapsthatcanbegenerated.（Dependingoncomplexityoftheactiveobject,multipletexturemapsmightbecreated.）

oMax.TextureSize（256x256,512x512,1024x1024,2048x2048,4096x4096）-thehighestacceptablesizeofanyresultingtexturemap.

∙Optionsgroup-

oObserveBoundariescheckbox-disallowsanytextureregionfromcrossingaredboundaryline.

oUseCurrentUVSpacecheckbox（availableonlywhenUVcoordinatesalreadyexistbecausetheactiveimagealreadyhasatexturemap）-causestheinputimage（fromObjectName）tobeprojectedontotheactiveimageaccordingtoexistingUVcoordinates,withoutfirstgeneratingnewUVcoordinates.Usethisoptionwhentheactiveobjectalreadyhasatexturemapandyousimplywanttoapplythecolorfromadifferentinputimage（fromObjectName）.

∙TextureDisplaygroup-Atexelisthesmallestuniquelycoloredunitonthesurfaceofanycoloredobject.Whenyouzoomwayinonacoloredimage,atexellookslikeauniquelycoloredsquare.Whenyouzoomout,atexelgetsassmallasahardwarepixel,orsmaller.Thefollowingsettingsspecifyhowpixelcolorisdetermined（inthisapplicationonly,notinexportedfilesthatareloadedbyotherapplications）.Typically,acceptthedefaults.

oMin.Filterdropdown（“Minification”Filter,theoppositeof“magnification”）-specifiesmethodsofrenderingpixelswhentexelsizeissmallerthanpixelsize.

-Nearest-apixelassumesthecolorofthenearesttexel.

-Linear-apixelassumescolorbasedonthefournearesttexels.

-Mipmap-apixelassumescolorbasedonbest-matchingmipmap.

-LinearMipmap-apixelassumescolorbasedonbest-matchingmipmapandthefournearesttexels.

-MipmapLinear-apixelassumescolorbasedontwonearestmipmapsandthethenearesttexel.

-LinearMipmapLinear-apixelassumescolorbasedonnearestmipmapandthenearesttexels.（The“linear”choicescreatebettervisualqualityattheexpenseofspeed.）

oMag.Filterdropdown（“Magnification”Filter）-specifiesmethodsofdeterminingpixelcolorwhenatexelcomprisesmultiplepixels.

-Linear-apixelassumescolorbasedonthefournearesttexels.Thiscancreateablurwhereonetexelmeetsanother.

∙OKbutton-generatesatexturemap,saveschangestotheactiveobject,andclosesthedialog.

∙Cancelbutton-terminatesthedialogwithoutsavingchangestotheactiveobject.

∙Applybutton-generatesatexturemap.Next,pressOKtoclosethedialog,orchangetheparametersandpressApplyagain.

Procedure

Tousethisfunction:

1.LoadpolygonobjectAwithcolor（per-vertexcolor）,thenremoveitscolorusingTools>

Color>

RemoveColors.

2.OptimizethecolorlesspolygonsusingfunctionslikeDecimateorOptimizeEdges,thensaveitasobjectB.

3.ImportobjectA（suchthatbothAandBappearintheModelManager）,andmakeBactiveintheModelManager.

4.RunGenerateTexture.SelectobjectAastheinputobject.Uponcompletion,BhasitsmodifiedmeshandtheoriginalcolorofA.

Alternatescenario:

替代方案

5.DesignateacolorlesspolygonobjecttheactiveobjectintheModelManager.

6.RunGenerateTexture,presstheApplybutton,thentheOKbutton.

7.Thepreviouslycolorlesspolygonobjecthasbeenassignedawhiteimagewithatexturemap.Thispreparesthepolygonobjecttobeusedbyotherfunctionsthatoperateontexturemaps.

ManageTextureMaps管理纹理贴图

Offerstheabilityto“detach”（分离）themappedimagefromthepolygonobjectsothatitcanbesavedtothefilesystem,editedwithexternalsoftware,andthenreloaded.

（applicabletoapolygonobjectwithtexturecolor）

Ifthetextureontheactiveobjectconsistsofasinglemappedimage,thesinglemappedimageappearsintheImageDisplayPanelofthedialogimmediately.Butifthetextureconsistsoftwoormoreimages,theImageDisplayPanelinthedialogremainsblankuntilyouclickaportionoftheobjectintheGraphicsArea.ThentheImageDisplayPanelshowstheoneimagethatismappedtotheclickedpoint.Thepurposeofthisisthat,inthecasethatthetextureconsistsofmorethanoneimage,theuserisgiventheopportunitytoclickapointandtherebypickanimagethatwillbecomesavabletothefilesystem.

∙CurrentTexturegroup-containscontrolsandindicatorsrelatedtotheimagethatiscurrentlymappedtotheactiveobject.

oSizeindicator-indicatesthepixelsizeofthecompleteimagethatismappedtotheactiveobject.

oImageDisplayPanel-displaystheimagethatismappedtotheactiveobject,orifmorethanoneimageismapped,displaysoneofthoseimages.

oLoadbutton-loadsa.bmp,.jpg,.pbm,.png,.xbm,or.xpmimagefromthefilesystem.

oSavebutton-storestheimagefromtheImageDisplayPaneltothefilesystemas.bmp,.jpg,.pbm,.png,.xbm,or.xpm.Typically,thenextstepistomodifythatfilewithexternalsoftwareandthenreloadit.

oCtrl-T-ashortcuttoautomaticallyreloadthelastsavedimage.

oModifyImagedropdown-performsimmediatechangestotheimageintheImageDisplayPanel,andthereforeontheactiveobject.UsethiswhentheGeomagicapplicationseemstointerprettheimagefiledifferentlythanexpected.

-FlipHorizontal-flipstheimagelefttoright.

-FlipVertical-flipstheimagetoptobottom.

-FlipOrientation-flipstheimagehorizontallyandvertically.

-Rotate90DegreeCW-rotatestheimage90degreesclockwise.

-Rotate90DegreeCCW-rotatestheimage90degreescounter-clockwise.

oModifyMappingdropdown-performsimmediatechangestotheUVCoordinatesystemontheactiveobject.UsethiswhentheGeomagicapplicationseemstointerpretUVcoordinatesdifferentlyfromtheexternalsoftwarethatcreatedthem.（Theneteffectofmodifyingtheimageandmodifyingthemappingisthesame,buttheremaybetechnicalreasonstotweaktheinterpretationoftheUVcoordinatesratherthantheimageitself.）

-FlipUVHorizontal-Flipsthecoordinateslefttoright.

-FlipUVVertical-Flipsthecoordinatestoptobottom.

-FlipUVOrientation-Flipsthecoordinatesbothlefttorightandtoptobottom.

∙OKbutton-savesthecurrentstateoftheimageandthemappingoftheimageontheobjectandclosesthedialog.

∙Cancelbutton-terminatesthedialogwithoutanysavingchangestotheimageorthemappingoftheimageontheobject.

ProjectImage投影图像

Projectsa2Dimageontoapolygonobjectyieldingtexture-mappedcolor.

Beforeinvokingthecommand,theobjectmusthaveaparameterizedtexturespace（UVcoordinates）.Ifapolygonobjectdoesnothaveatexturemap,useGenerateTextureto“initialize”theobjectwithanempty（white）texturemap.

RelatedVideo:

HowToProjectanImage

ThisProjectImagecommandprojectsa2Dimageontoapolygonobject.

∙Imagegroup-specifiesthe2Dimagethatwillbeprojectedontotheobject.

oImageNameandSizeindicator-indicatesthenameandpixeldimensionsoftheimageintheImageViewingPanel.

oImageViewingPanel-displaystheloadedimage,ifany.

oLoadbutton-browsesthefilesystemandloadsa.bmp,.jpg,.png,or.ppmimage.

oModifyImagedropdown-allowsmanipulationoftheloadedimageinbasicways,including:

-ClearImage

-FlipHorizontal-flipthesidetoside.

-FlipVertical-fliptheimagetoptobottom.

-FlipOrientation-fliptheimagefromonecornertodiagonallyoppositecorner.

-Rotate90CW-rotatetheimage90degreesclockwise.

-Rotate90CCW-rotatetheimage90degreescounter-clockwise.

-NegativeImage-invertallcolors（suchaswhitetoblack）

∙n-PointRegistrationgroup-allowsmultiple（n）pointpairstobedefinedintheObjectandImagepanelsoftheGraphicsAreatoalignthe2Dimagetothepolygonobject.Tocreateasinglepair,clickonceontheobjectpanelandonceontheImagepaneloftheGraphicsArea.

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