计算机图形学考试试卷及答案

计算机图形学考试试卷及答案

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1、……………………………………密………………………封………………………线…………………………………学年学期第页共页题号一二三四五六七八九十总分总分人得分得分阅卷人PartI.MultipleChoiceQuestions(5Pointseach.Note:orderofthechoicesisimportantsometimes)1.Theorderofthefollowingtermsaccordingtoitsappearanceincomputerhistoryis___adcb_____________a)wireframedisplayb)programmablepipelin

2、ec)texturemappingd)shadedsolid2.OpenGLUtilityToolkit(Glut)provideOpenGLthefunctionsuchas__ab___________a)Openawindowb)Getinputfrommouseandkeyboardc)WidgetsuchasSlidebarsandDialoguesd)WidgetsuchasInputboxesandMenuse)Event-driven3.Giveanorderofthefollowingphasesaccordingtherenderingpipeline____ceb

3、da_____a)FragmentProcessorb)Clipperc)VertexProcessord)Rasterizere)PrimitiveAssembler4.Thefollowingoperationsbelongingtowhichphaselistedabove__c_____Toconvertobjectrepresentationsfromonecoordinatesystemtoanother____c/d___Tocombinesthe3Dviewerwiththe3Dobjectstoproducethe2Dimage___b____Todeterminew

4、hichobjectsarewithintheviewvolume__a___Todeterminethecolorofthecorrespondingpixelintheframebuffer5._______a___computescolororshadeofeachobjectindependently,soitcan’tdealwithsituationssuchascefa)LocalLightingb)GlobalLightingc)Someobjectsareblockedfromlightd)Realtimeilluminatione)Lightcanreflectfr

5、omobjecttoobjectf)Someobjectsmightbetranslucent6.ChoosetwoOpenGLsentencesfromthefollowfourcandidatestotransformthecamerafromtheoriginalpositiontothedestinationposition(DestnationPostion)glMatrixMode(GL_MODELVIEW)glLoadIdentity();_____a_________________c__________a)glTranslatef(0.0,0.0,-d);//d>0b

6、)glTranslatef(0.0,0.0,d);//d>0c)glRotatef(-90.0,0.0,1.0,0.0);d)glRotatef(90.0,0.0,1.0,0.0);学院专业级学号姓名大学计算机图形学课程试卷第1页共4页……………………………………密………………………封………………………线…………………………………学年学期第页共页得分阅卷人PartIIFreeFormQuestions(50Pointstotal)1.Howtonormalizeanarbitraryviewvolume(asblow)toanopenGLdefaultviewvolume(8point

7、s)答案一,答案二xyshear(zvaluesunchanged)Projectionmatrix:P=Generalcase:2.Givenacliprectangleandapolygon,youareexpectedtogivethecorrespondingresultsaftertopclip,bottomclip,rightclip,andleftclipconsequently.(4points)Answer2pointseac

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