- rno bIIn vo khm thuy va goi I¢nh VPOINT(I,.I,I) hay I¢nh
R25 (\70 I~ll
4. flooo chinh hloh chieu tr\lc do
R25 (\70 I~ll
(\70 I~ll - - -\ \ 1350 f 0 0 ~}\~50' 12 100 J l,' ~ Hinh 1 1. Ve v~t th~ 3D
a) Chruln bi bdn "khOi Ihrly:
• OPEN: l~ mil him vekblJi. tbuy(vi 6,: A4.ciwS):N6l ehuac6lhlc6 ·~mm.
• VPOINT: ~ho <libnnhln (1,-I,l)<!tqQ8D""im ~ ~ 3D ~g hh\hehi6u trye do vuOng g6c <!tu. . . . . . . " : . '. " :."' . .
Command: vpoint
Rotate/<View point>: 1,-1,1
• LAYER ehQll M: di!tao lclp rom ten Th. 3D v~ dlla ra hi~ thOi.
Command: layer
?/Make/Set/New/ON/OFF/ ... /Uniock: M
New current layer <>: 3D
b) Ve khOi dh. kIWi Ir~ :
+ Command: pline (ve chu vi ngoai dU'm de, xem hloh chieu bang a hloh 1)
From point:
chiou bdng, hinh I.
cho 1 diem tren man hinh tlng v6i diem g6c phili - dUm eua hinh
Arc/Oose/ ... /Width/<Endpoint of line>: @-100,0
Arc/Close/ ... /Width/<Endpoint of line>: A (chuyen sang ve cung)
Angle/Center/Close/ ... /Width/<Endpoint of are>: @O,loo
Angle/Center/Close/ ... /Width/<Endpoint of arc>: L (chuy<!n sang ve line) Arc/Close/ ... /Width/<Endpoint of line>: @100,0
Arc/Close/ ... /Width/<Endpoint of line>: C
+ Command: circle (ve 2 trelO ~50, tjl70)
3P/2PfITR/<Center point>: CEN
of (bat tam cung tron ella dl1Cmg pline da ve)
Diameter/<Radius>o: 25 Command: .J
3P/2PfITR/<Center point>: CEN of (bAt tam tron ~50 dii vel
DiameterI<Radius>o: 35
* SOLEXT: de nang dUCmg pline va 2 tron dii ve len thanh cae solide Command: solext (ho~c MODEL>ExtIude)
Select regions, popyline and circle for extrusion ...
Select objects: ch9n dl1Cmg pline Select objects: .J
Height of extrusion: 30 (chieu cao nang )
Extrusion taper angle<>: 0 (g6c vu6t bAng 0) . (adsbygoogle = window.adsbygoogle || []).push({});
Command: .J
Select regions, papyline """'.!'~for .~Il\isiQll..: ... .
sae.:t.oljjl#l:,~~~~,.'7l!i::·C;;;c;< .. .
_ ' .' ... -..: ... -,'.;- ;:c. ... "'''t::;~:~->/"'.>~'>~'~''-;.J:-r,-'' J~. '
~l~.~JCPl$~.~;~,· !.>';. ;;<:~' --'., :,\f;:,~-_\ ',"_'-';':,_,
. Height of extlu'ion: '110 . , " ;
Extrusion-taper angle<D::>: .J
c) Velhdnh hlnh h¢ptrin ili':
• SOLBOX: ve kh6i chi! nh~t
Command: solbox (ho<\ic MODEbPrimitives>box)
Baseplane/Center/<Comer of box>o: END
of (bat ldinh trtn-btn phiti cua de,
Length: -30 (huang x) Width: 100 (huang y) Height: 90 (huang z)
* UCS chQn 0; chuytn UCS tm 1 dinh tren-tnii kh6i hQp lIen de'de ve dinh tron ... PLINE: vi!: dl1bng profit (d~g) dong kin eua riinh ](hoet tcen kh6i ht)p
Command: pline From point: MID
of (bat diem giiia 1 c~ dlii ben tnH m~t tren kh6i hQp) Current line-width is 0
Arc/Close/ ... /width/<Endpoint of line>: @0.25 Arc/CIose/ ... /width/<Endpoint of line>: @7,0 Arc/Close/ ... /width/<Endpoint of line>: @5,7 Arc/Close/ ... /width/<Endpoint of line>: @6,0 Arc/Oose/ .. ./Width/<Endpoint of line>: @5,-7 Arc/Close/ .. ./Width/<Endpoint of line>: @7,O Arc/Close/ ... /Widt!t/<Endpoint of line>: @O,-25 Arc/Close/ . ../Width/<Endpoint of line>: C
... SOLREV: xoay duemg pline vira ve thanh solid tron xoay Command: solrev (hoac MODEL>Revolve)
Select objects: chQn dubng profit vila vi! Select objects: .J
Axis of revolusion-Entity/XIY/<Start point of axis>: END of (biit 1 diem mut c~nh dlii dl1Cmg prom, diem 1 cua t11lc xoay) End point of axis: END
of (bat diem mllt thi! 2 qnh dai cua profil, diem 2 cua tfl,lc xoay) Angle of revolusion <Full circle>: ..J
d) VI' 2 gan tT" l¥c giua de' pel khoi ht}p :
• SOLWEDGE: veganhinhnem
Command: sol wedge (ho~c MODEL>Primitives> Wedge) Base plane/<Comer of wedge><>: END
of (bat dinh goe tnii-dum giila d€ va thanh tr~n) Length: -30 (dQc x)
Width: 12 (dQC y) Height: 30 (dQc z)
* COPY: t<:,o ban sao thiinh gm thu 2 ben phM.
e) vetO xuyen ngang $24 :
* UCS ehQn 0: ehuyen ues tm ti€p diem eua do~n thang va eung tron tr~n ptine 155
• SOLCYLE: vo If\l ngang ~24 co m~t phi\ng day (ZX) Command: soleyl (hoij.c MODEL>Primitives>Cylinder) (adsbygoogle = window.adsbygoogle || []).push({});
Baseplane/EllipticaV<Center point><O,O,O>: B (chQo m~t ph~g co sa ZX) Baseplane by Entity/Last/ ... /XY (YZ/ZXI<3 points>: ZX
Point on ,ZX plane<O,O,O>: .J
Baseplane/Elliptieal/<Center point><O,O,O>: 0,0,55 (eho tam day trv) Diameter/<Radius><>: 12
Center of other end<Height>: 100
f) T~o solid da h<fp :
• SOLSUB: trueae kh6i
Command: solsub (ho~c MODEL>Subtract) Source object ...
Select objects: chc;m cae kh6i bj tnI lade vakh6i h¢p tren de va kh6i tIV ngoa.i ~70.
Objects to subtract from them ...
Select objects: chQn cae kh6i trir la kh6i tron xoay tn~n thanh, tr\l trong ~50
va tI1,l ngang $24.
• SOLUNION: lien ke't tAt eli cac kh6i thanh I solid da hqp (v~t 1M 3D) • UCS chon W: chuyen ues ve h~ chullo.
2. T~o 4 khung cira 56 blob chieu
• TILEMODE: d~t 10 O(ofl) chuyen sang khOng gian gia:y (PSPACE). • LIMITS: d~t giUi ~ vo A4(297,21O) va I~nh ZOOM/all
"* LINETYPE chQn L: t\i duang hidden, center vao bin ve
'" MVIEW: t~ 4 khung elm s6 hlnh chieu Command: mview (ho~c VIEW>Mview>4) ON/OFF/Hideplot/Fit/2/3/4/ .. ./<First point>: 4 Fit/<First point>: F (cho 4 khung vim khit man hlnh) • MSPACE: chuyiln v~ khOng gian mO hlob
* VPOINT: de cht?n diem nhin tren tUng khung cua s6 hlnh thie'u bang, hinh chi€u dUng, hinh chieu qulh. Tru&: het kich con tro vao Clm s6 hinh chieu hang:
Command: vpoint (ho~c VIEW>setview>view point) Rotate/<View point>: 0,0,1
Chu j: neu hinh chie'u bang can xoay, b~n dung l~nh ROTATE.
BAy gia b~n Dch chu¢t vao cua s6 hinh chieu dUng (h~c hinh chieu c;pIh) va lam tuang W de cho diem nhm hinh chieu dUng (ho~c hmh chicu c~h).
156
• ZOOM: eho Iy I~ bang nhau(l) de chinh d(>l6n Iren tUng hlob chie'u Command: zoom
• MVSETUP chqn A: chlnh vi Iri gi6ng dUng(V), gi6ng ngang(H) giila c8c hinh
chieu:
Command: mvsetup
Align/Create/Scale viewport,/ ... /Undo: A (can chinh vi irQ
Angle/HorizontallVertical alignmenti ... /Undo? V (chinh dUng)
Base point: klch chu¢t vao hlnh chil!u dUng va g6 END
of (b~t dinh phiU Irtn cua hinh chiou dUng lam diem co ,a)
Other point: klch chu¢tvao hlnh chieu b~g Va g6 END of (b~t dinh iJ hinh chieu ~g tuong Ung) (adsbygoogle = window.adsbygoogle || []).push({});
Angle/HorizontallVertical alignmenti ... /Undo? H (chinh ngang)
Hlnb2
Base point: klch chu¢t vA<> hlJlb chiell dUn!! ~ II~ ;!lNP
of (bAI dinh phiUtren Clla hinh chi61 dUng lam cIi~m c<J.o) . Other point: klch chu¢t vA<> hinh chieu c'!nh va g6 END of (bAt dinh 11 hinh chieu c'!nh tuang Ung)
Angle/Horizontal/Vertical alignmenti ... /Undo? ,J
Align/Create/Scale viewport'/ ... /Undo: ,J
Kol qua ta duqc cae hinh chieu nhu Iren hinh 2.
3, Cilt hi> mN nim v~t th~
.. VPLAYER chQn N,T: t~o 16p m6i te.n Iii COPY3D de sau f~o m(H ban sao, khi dt 1/2 vi},t the se khOng Anh huang tai cac hlnh chieu khac. Sau d6 ch9n T (Thaw) lam tan lap COPY3D nAy i; tren khung cua s6 hlnh chi~u dUng va hlnh chieu truc do (Select) M cho vi¢': cat b6 c6 mc d¢ng den hinh chieu tIlJ.c do va hinh chieu dUng.
Command: vplayer
?/Freeze{Thaw/Reset/NewfrzJVpvisdflt: New viewport frozen layer name(s): ? /Freeze{Tha w IReset,IN ewfrzJV pvisdflt: Layer(s) to thaw: COPY3D All/Selectl<Current>: S
N
COPY3D T
Select objects: chi len khung cua s6 hinh chieu tI1:lc do Select objects: chi l~n khung ctra s6 hloh chieu dung Select objects: .J
?/Freeze{ThawIReset/Newfrz/Vpvisdflt: .J • LAYER chon S: dua lap COPY3D ra hi~n thm.
.. COpy chQn AU: de t<.to m¢t ban sao mai. ~n chQn diem g6c copy va. diem dich copy trimg nhau :
Command: copy Select objects: All
<Base point or displac<:mlml >/Muhiple: 0,0,0
Secimd point of ~¢i 0,0,0 .. .. . . . . .
, ,-. ,,!,.;"'!<"'~--" ; . - " "
• CHANGE' chuyen bin'~4lI (Last) .... g!6p"4-ayer} len \a COPY3D.
".,', _' > 'f : _____ "" .,
Command: change Select objects: L (last) Sele~t objects: .J
Propoties/<Change point>: P
Change what propoty(Color/Elev/Layer/LType/ ... )?: LA New layer<>: COPY3D
Change what propoty(Color/Elev/Layer/LType/ ... )?: .J
Chu th{ch : sau khi chuyln ban sao di cac hinh chitu khac bien nui't khoi man hinh, b(ln dung l~nh REDRAWAU di hi¢n [(Ii ban vi day duo
• VPLA YER chon F: lam dong (Freeze) lap 3D Cll iJ !ren 2 khung cua s6 hlnh chieu truc do va hlnh chieu dUng, chi co thi tac dQng len lap COPY3D hien thai.
Command: vplayer
? /Freeze{Thaw/Reset,INewfrzJV pvisdflt: F Layer(s) to Freeze: 3D (adsbygoogle = window.adsbygoogle || []).push({});
All/Selectl<Current>: S
Select objects: chi len khung cim s6 hlnh chitu dUng Select objects: .J
?/FreezefThaw/Reset/Newfu}Vpvisdflt: .J
1(1 UCS: chuyen ues tOi di~m giiia cua q.nh dum de, va xoay m~t (XY) Iii m~t cat. • SOLCUT: cAt bb lfl v~t thE bbi m~t phAng (XY)
Command: Solcut
Select objects: <ChQll v~t ~ 3D> Select objects: .J
Cutting plane by Entity/ ... /XY {YVZJ{j<3 points>: XY Point on XY plane <0,0,0>: .J
Both side/<Point on desired of the plane>: <ch<;>n 1 diem b ben phai kh6i 3D> .. BHATCH: g~ch m~t cat v~t 1i~u tren m$t cat (XY) cua v~t the (nhu lrong 2D)
... UCS/P: de chuyen h~ ues ve vi tri eli 4. Holm chinh hlnh chieu tr~c do (TDO) &m chuOt vao . cua s6 . hlnh chieu true . do.
• VPLAYER chQllN.T: de ~o lapmm ten IA MCAT vA lAm tan lap nay. Command: vplayer
. ?/FreczefThaw/Reset/Newfl7/Vpvisdflt: New viewportfrozen layer name(s): ?/FreczefThaw/R5set/Newfrz/Vpvisdflt: Layer(s) to thaw: All/Select/<Current>: ?/FreezefThawIR5set/NewfrzNpvisdflt: N MCAT T MCAT .J • LAYER chqn S: dE dtta lap MCAT ra hi~n thOi . • CHANGE: dI! chuyenm~t cat sang lap MCAT.
Command: change
Select objects: <chQll m~t cat dii Ve> Select objects: .J
Properties/<Change point>: P
Change what property(Color/Elev/Lsyer/LType/ ... )?: LA New layer< ... >: MCAT
Change what property(Color/Elev/Lsyer/LType/ ... )?: .J • LAYER chqn S: dua lap COPY3D ra hi~n thm .
Select objects: <chon kh6i 3D> Select objects: .J
Display hidden profile lines on separate layer?<Y>: .J (co hi~n d.c dui'mg baa khuilt tren lClp rieng khOng?) Project profile lines on to a plane?<Y>: .J (cae dUOng bao d~t tren m~t ph&ng7) Delete tangential edges?<Y>: .J (x6a cae qnh tit!p xuc giUa cae m~t?)
• LAYER chon?: de xem ltn lClp chUa duang khuilt tren tfllc do (vi d~: PH-3E23). • VPLAYER chon F: Him dOng cac lClp COPY 3D, PH-3E23. hinh chieu tfllc do chi con cae dUCmg bao thtfy.
Command: vplayer
?/FreezefThaw/Reset/Newfrz/Vpvisdflt: F
New viewport frozen layer narne(s): COPY3D, PH-3E23 All/Selectl<Current>: -l
?/Freeze/Thaw/Reset/NewfulVpvisdflt: -l
• UCS chon V: chuy~n h~ ues tffi vi tr! c6 (XY) song song vm man hinh d!! hi~u
chinh hlnh chi€u ~c do.
• Dung clk~nh ~" cllinll : '
+ EXPLODE: pbAn fa kMi ~t 1M 3D M h$I chinh.
+ PEDn:: 46i MrQng om (width) • UCS chQn P: .chuy~ tJ1:S'Vf'vi trl cu. 5, Hoan cbinh blnb <bleu dt'mg (HCI)
- Kfch COn trb vao cira s6 hlnh chit!u dUng.
• VPLAYER chonN,T: d!!4-0IClpmm(N)liiHClv1i!amtan(1)cacl&pHCl,MCAT de hi~n l~i m~t cat rei hinh chit!u dUng. (adsbygoogle = window.adsbygoogle || []).push({});
• LAYER chon S: dua lClp mm HC) ra hi~n tMi.
• SOLPROF: di~u khi~n hi~n inh hinh chi€u dUng chi co cac duang baD vi€n. • LAYER chon 1: xem ltn lClp duang khuilt" hinh chi€u dUng (vi d~: PH-3E21). • VPLA YER chon F: L\m dOng 2 lClp : COPV3D, PH-3E2l. Hinh chi(u dUng chi cOn cae duang bao thay.
• ues chon V: chuy~n h~ ues tm vi tri cO (XY) song song vm man hinh de hi~u
chinh hinh chi€u dUng . .