sketchupY(ji)
SketchupW(xu)(x)Y(ji)
ʹsketchupģҪ֞cad(do)(j)DBĶ(gu)ģӵȎײһCADČ(do)룺
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2.Ҫx(do)Ćλc.dwgļԭʼλһD1O(sh)ó
D1
3.dwgļ(do)һƽ؈Dеĸl܉ֱӘ(gu)棬ҪB䘋(gu)Ķģ(j)Dͨ^sketchu(gu)3dģͣ
1.ׂÿIԷLPHƽнԷŴsСȵȣ(dng)ȻҲ(bio)x(yng)o
2.(do)ĵD҂ҪһЩҪ̎
1P(gun)]һЩҪĈDӣֻĈDD2ʼDӣDֻ¡wallDӺЧwǣڈDӹD5ʾȻҪĈDӌ^ȥͿ
D2
D3
D5
2ڌ(do)D(dng)еһЩe`MRe阋(gu)ƽD(zhn)䣬ͱD6(dng)еrһЩxeԿжLe`(yng)ԓһlע⣺ЩΑ(yng)(dng)ʹÝL݆MзŴ^ȻReo혋(gu)ģ͎韩
D6
3ڵD(dng)еľβ֮ͨ^MLƽD@һmȻֻǸ(j)D߅cƽDЕrsF(xin)ܶ}(do)Bӵľܘ(gu)ƽҊrУ
AF(xin)D7(dng)еĵDڲ(dng)еIJccBIJܘ(gu)ƽ棻
D7
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3Ƭ(do)sketchup鉦wy
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UչxsketchupW(xu)(x)ĵ
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O(sh)Ӌ\SketchUp(chung)O(sh)Ӌģڹ^Ҫ(jng)׃Q^(q)ҕĸNͬķλͽǶ^Ͳ(dng)ģͼܘ(gu)ԽԽ(f)sģϑ(yng)õIJ|(zh)ԽԽĕrģ͙n׃úܴSketchUpPan(ƽҕ),Orbit(D(zhun)ҕ)Zoom(sҕ)ϻMĕrgҲ׃LӰ푵SketchUpԵ
SketchUpǡrģκΕrֻҪ^(q)ҕ(View)l(f)ijЩ׃͕l(f)һϵ\ԱCÿһwm(x)ֱ׃Y(ji)ڹ^(q)ĈwԽ࣬SketchUp͵òٿvԽ(f)sĸ׃Xϵy(tng)ͱĹ
҂һЩȥ@NrSketchUpO(sh)Ӌ܈(zh)еĸһЩڡʹSketchUpܵø졷@һϵв҂v{(dio)mXӲwO(sh)ԼƌSketchUpIJ(x)TIJͬķ\SketchUpMнO(sh)ӋĹЧʡ
`ԞֻŪSketchUp߰(dng)չʾƷʾҲУôҲā@ЩՈʹh^㌦@L(fng)AïO(sh)ӋJ֪(zhn)齨O(sh)ӋҪa(chn)ôһϵвܫ@SõӍϢ@ЩӍϢSketchUpĹٷļ
Ⱦĸ
vSketchUpġr֮ǰ҂˽һЩȾP(gun)Ŀ֪RʲNǡȾȾ(Render)njSģ͵һNɫ(Shade)^κ^Ⱦ(Renderer)ֻһNʽģMͬȾܑ(yng)òͬ㷨Ǹ׃˵Ⱦ\еAM҂Մ?w)ȾAM̶ЩE
(һ)ȾAM
ͨȾ(Renderer)ȾԺȾ֞AMУ̎ҕSģģͱ漚ֳɾW(wng)档nj@ЩСĎMɫ̎
һAΡ̎ģ
(1)ȕᘌҕ(View)ܿҊĎw\(BuildGepmetry)
(2)a(chn)ȾҪĎΘ(gu)ξW(wng)(BuildMeshes)(3)@ЩСľW(wng)c(Vertex)Ӌa(chn)еc(bio)y(bio)ǶȵȵȔ(sh)(j)@ЩW(wng)cɫĸ(j)ͨڎ@F(xin)ɫynjcY(ji)cW(wng)ƽֵ
ڶAΡɫ
(1)Mɫ(shade)yӳ(texturemapping)ӳ(Bumpmapping)ȵȣΌ@ЩСMɫ
(2)ȻģM⾀ĽY(ji)Դǭh(hun)̫ꖹڈO(sh)õĸNԼw^Ĺ⾀wϵĭh(hun)պӰͶ̶һӋϽܵĹԴͶ^Ĺ⾀ɫԼ䡢αɢģ@ЩģM挍⾀ОһӋϱF(xin)ɫY(ji)ͬȾģMʹòͬ㷨TEۙȫֹյȵ
(3)ɫԺ߀Ҫ@F(xin)ĈDX(Anti-aliasing)\㣬Kŕo挍(Photo-realistics)ĈD
()ȾΔ(sh)ģM\
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()Ⱦ\㏊Ⱥܴ
\A(dng)ǰ^ݵȾ@ʾϵĈD̎(GPU)M\X̎(CPU)\㡣(ֻЎׂ(dng)ǰl(f)չеĵȾ֧ԮnVidiaCUDAѵڶAεȾ@ʾGPU̶ܴ̎ȵȾ\ٶ)CPU\ٶ(GHz)ֱӰȾٶ
Ⱦ^Юa(chn)Ĵ\㔵(sh)(j)tXӛwӛwĶѕֱӰȾ(f)sģҲӰ푵ݔߴ(ֵ)ĈDSketchUpֻ\ÆΈ(zh)оwȾǶ(zh)оw(Multi-threads,ྀ)\еXǶ̎̎(Multi-Core)ܴȜpȾMĕrg
Ⱦ\㏊ȺܴȾĵڶAΕ\ùEۙ(Raytracing)ȫ(GlobalIllumination)ď(f)s㷨̎ĹЧ߀ÌȾӰX\ҪSĽģȾɼMĈD춽ģͨһď(f)sȣ@Щ^̶MLĕrgεСܻMʮ(f)sĴҲSMʮׂСrϲ_RϿY(ji)ٶҪSketchUpČr
SketchUp|(zh)njrڽ(gu)ģ͵^(dng)㌦ģκθ׃猦ģ͵ı(Push/Pull)(f)(Copy)ȵSΘ(bio)ڈҷƄӣSketchUpؑ(yng)׃ģʹ]Ќģ͵ĎΘ(gu)hЩʲNHֻ\D(zhun)ҕ(Orbit)߿sҕ(Zoom){(dio)^ҕĽǶֻҪ׃˹^(q)ҕ͕l(f)SketchUpȾ(RenderEngine)M\Ҍr@F(xin)׃ɺģӣ@ǏO(sh)ӋߵĽǶҪČrҕX
SketchUpӢİRender_IJׂhٷwİӢİ^RenderֱgɡȾҸXgòǡ(dng)mȻٷā]fSketchUprȾă(ni)^ʹ^SketchUp˶ܿóSketchUp^ČrȾΞ?zi)@F(xin)ĈD҂ϤPodium,VaryforSketchUpȾȾĈDgஔ(dng)̶ȵIJSketchUpֻꖹ]Пwy]аģȵȡ(j)@ЩcfȾ(Render)㌎fɫ(Shade)XDΌW(xu)RenderShadeǃɴaߵı|(zh)Dzͬġ
SketchUpٷ̖QȾ(Render)䌍xϵȾ_f(yng)ԓһNɫ(Shade)RendercShadeǃɻ£mȻȾͬҲɫ\ıF(xin)Ⱦ\ɫ\øࡣɫS@ʾҕ(༴SketchUp^(q)@ʾĮ)@ʾģɫĎMh(hun)ӰyԼcҕҕ춲O(sh)Ӌ^̎Sģ͵O(sh)ӋķֱģϸgǰhP(gun)ϵ͈ľΑB(ti)fSketchUp(yng)õһNɫ@܌r@ʾ߽ҕ͌ȫ淴X̎ЧʱF(xin)Ĵ_(yu)\@Nɫđ(yng)óʽʹSketchUpSO(sh)ӋߕrЧ܉hhԽSֻԵȽҕ@ʾܘ(gu)ģ͵CADܛw
Ʒ|(zh)ɫ@ʾҪ@ʾֵ֧ܼSD@ʾ\ٶ҃(yu)D@ʾЧoՓô(yu)o@ʾSD׃ɸƷ|(zh)ĔMPhoto-realisticsD@NShadeɫ{(dio)ǡrg(sh)䌍@ҲSketchUpĒ˿ڵďXӲwһ\ٶʹSketchUp횷ŗȥ\@ʾҕwķȹEۙݗյЧ_@Щߏ\(䌍@ЩSJ֪ȾЧ)ĺĕr^_SketchUp@ʾ܌rҕκθ׃
r@ҪʲNһԱֻ֮Ҫ׃ˮ(dng)ǰ^(q)ҕ(View)͕̆ɫ\r®ă(ni)κθ׃rҕXȻʹ(yng)õShadeɫxϵRenderȾɫԺXͬӵҪֳɶA̎һAȌҕҊģΘ(gu)ܷ(BuildGeometry)ֵľW(wng)(BuildMeshes)ԼӋW(wng)ϸСc(bio)Ƕy(bio)cֵȵڶA΄tnjֵĎMɫ(Shading)yӳ(texturemapping)ӰͶȫ淴X̎ȵ\㣬һ
ɫ\־W(wng)ĶֱӕӰ푵\ĴΔ(sh)ģõԽa(chn)ľW(wng)ҲԽСʹSketchUpʹõQuadface()Triangleface()nj漚߀Ǻ(dng)Ȼɫ\ҲֵľW(wng)p\㔵(sh)
_rҪ횱MܵĿs@ʾ\rgSketchUp@ʾϵĈD̎\ҪQ֮顺Ӳw١D̎(GraphicProcessUnit,GPU)˼xDZO(sh)ӋTÁMЈD@ʾ\ĹSketchUpOpenGLʽ@ʾ(q)ӳȥ(q)GPUMڶAεɫyӳӰX\㏊ȱ^ߵĹSketchUpҪǿЧij\ɫŗEۙmȻo_ȾӰǷNāǽ(jng)Ӳw̎ȫ_ɲO(sh)ӋмrҪ(dng)ǰ(sh)Ⱦʹ@ʾGPUȾ\(Hٔ(sh)֧ԮCUDAȾ\@ʾGPUȾ\)ߏȾ\^̶X̎CPUɣ(dng)ȻMĕrgҲǿ^
Ȼе@ʾܷSketchUpOpenGLGPU\ҪЩΑ@ʾOpenGL֧Ԯ̶Ȳ(q)ӳʽoOpenGLʽ_SketchUpӲwٕr׳F(xin)ŤF(xin){Cʹ߲òP(gun)]ӲٹSketchUpڲӲwٹܵĠB(ti)߀ǿ\еģI(y)ϵy(tng)Ԏһͨõ@ʾ(q)ģMڲ_@ʾӲwٹܕrSketchUp\@(q)ģMȥģMٹԭȷ@ʾGPUĵڶA\ֻ؏(f)CϵCPUMռCPUӛwYԴȻʹSketchUp@ʾ\ٶȴ齵ͣͬroO(sh)X\ȼʹ@ʾӰƷ|(zh)ԞЧʵSketchUpSO(sh)ӋoXһKõ@ʾDZġ
ģSketchUp\еw@ʾٶ
҂ʹõXӲwܘ(gu)ͬСǙC(ni)ĽMиNͬȼγɲͬ\ЧܡڲͬXSketchUp@ʾٶҲͬ@ʾٶȱ^ڲЌO(sh)ӋҕXĕrg׃LӰ푵O(sh)Ӌ˼SĹ(ji)׃eٳɶʹùЧܵӰ푡ôǿôfڵĵF(xin)ڲ]һ^Ę(bio)(zhn)҂ֻSketchUpBBSՓһЩW(wng)ѵĜyԇY(ji)ռ(sh)(j)ԵĽy(tng)ӋֵҲǂSketchUpʹߣҪ֪
X\SketchUp@ʾٶһnΡ
SketchUpһ(ni)"Test.time_display"ÁyԇXSketchUp\еw@ʾٶ@δF(xin)ڹ_ʹ߽ϣڸNܱﶼҲ@yԇͨõһ216wɫA6X6X6нMwSKPģ"Test.skp"ҲyԇһXԵҵSkydrived@ģǰXϵðbSketchUp7.07.1摪(yng)ó
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κεĜyԇdS־ǷNyԇoxڜyԇǰһЩ(zhn)乤_yԇh(hun)
ܫ@õĽY(ji)@헜yԇҪȜ(zhn)ЩʲN
(1)ȣXӵ^ЕӛwКĔ(sh)(j)
(2)P(gun)]Ҫđ(yng)óʽ
(3)SketchUp_Window(ҕ)>Preferences(ƫO(sh))>OpenGL壬_JӲwٹ
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(4)ӛ®(dng)ǰĠB(ti)һҪyԇ_ӰP(gun)]ӰNͬ@ʾ\ٶ
()yԇIJ
(1)SketchUp7.1(7.0)_@yԇõģ͙n"Test.skp"(2)ˆxWindow(ҕ)>RubyConsole_Ruby_ҕ
(3)Ruby_˵ݔI"Test.time_display"(עСԼҪ""̖)
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Bm(x)ĄӑB(ti)ӰD(zhun)ȦԺֹͣ@ʾһӍϢDʾ
ʾP(gun)ڡsketchupY(ji)oķHչ˼SʹsketchupY(ji)ԓƪ½h(chung)
ԴW(wng)j(lu) ؟(z)ăHތW(xu)(x)a(chn)(qun)}Ո(lin)ϵ҂rh