II. CAC LENH THIET L~P BAN VE
v, cAe Ll):NH TRO GIUP
1. L~nh Help
Menu Screen Menu Type in Toolbar
Help Help 'Help, ' Standard
L¢nh Help eung cap thOng tin tra coove AutoCAD. Khi th\fe hi¢n l¢nh nay se xmlt hi¢n h¢p tho<;li Help Topics. H¢p tho'.li nay baa g6m cae trang: Contents, Index va Find.
2. Xoa cac doi llte;tng (I~nh Erase)
Pull - down Menu Type in Toolbar
L¢nh Erase dung d~ xoa cac d6i lUQ'ng ta chQn tren bim ve hi¢n hanh. Sau khi chQn d6i tlt<;1ng can xoa ta chi can nhan phim Enter thl l¢nh dU<;1c thvc hi¢n.
• Command: Erase .J
Select objects: (ChQn d6i tU<;1ng dn xoa bang cae phuong phap khac nhau). Select objects: (ChQn tiep cae d6i tu<;1ng can xoa ho~enhAn phim ENTER d~ ket thuc vi¢c h,ra chQn va thvc hi¢n l¢nh).
Thong thuang sau khi dung l¢nh Erase, ta thvc hi¢n l¢nh Redraw d~ xoa cae Mu "+"(BLIPMODE) tren hinh ve hoac phuc hei I~i cae duang bj khuat boi cac d6i tUQ'ng bi xoa.
3. Phyc hoi ciic dol tltc;fng b! xoii (I~nh Oops)
Pull - down Menu Screen Menu Type in
M odijylErase Oops: Oops
Phvc hoi IC).i ca.c d6i tuqng dU<;1c x6a be bOi m¢t l¢nh Erase truck do. • Command: Oops .J
4. Huy bo I~nh dli th,!c hi~n (I~nh Undo, U)
Pull-down Menu Screen Menu Type in Toolbar
EditlUndo EditlUndo Undo hoge U Standard
L¢nh Undo cho phep huy b6 m¢t l¢nhho~c nhom l¢nh thvc hi¢n truac do.
• Command: Undo .J
Enter the number of operation to undo or jAuto/ControIlBEgin/End/Mark/ /Backj <number>:
• Cac Iva chQn:
Auto Khi chqn On thl d.c d6i tUQ'ng duqc ve trong m6i l¢nh xem nhu la m¢t nhom. (Vi dV eae doC).n thAng ve bang m¢t l¢nh Line se dU<;1c huy be
Mark Danh dau l¢nh AutoCAD vfra thl,fc hi¢n rna sau nay tac6 the tra ve bang h!a chQn Back.
Back Huy be cac l¢nh dfi thl!c hi¢n den hin danh dau (Mark) gan ohat.
BEgin Danh dau l¢nh dau clla nh6m l¢nh, sau d6 dung ll,fa chQn End danh dau l¢nh cu6i cua nh6m l¢nh.
End Ket hqp vai Iva chQn BEgin d€ danh dau l¢nh cu6i cua nh6m I¢nh va sau do ta co th€ xo<i boi m¢t buac thlfc hi¢n.
Control Dieu khi~n vi?e thue hi?n eae lua ehqn eua lenh Undo. Khi nh~p C xuat hi¢n dong nhac, thea d6:
All Thvc hi¢n duQ'C tat ca cac h!a chQn cua l¢nh Undo.
One None
Huy bo m¢t l¢nh vita thl!c hi¢n twac do. Kh6ng th~ thvc hi¢n vi¢c huy b6 cac I¢nh.
5. Ph\lc hoi m9t I~nh vua hUy boo L~nh Redo
Pull - down Menu Screen Menu Type in Toolbar
EditlRedo ED/TlRedo Redo Standard
L¢nh Redo dung sau cac I¢nh Uho~c Undo de ph~choi m¢t I¢nh vua huy
bo tmac d6 .
• Command: Redo .J
6. Lam mili khung ci'ra 56 hi~n h,mh (L~nh Redraw)
Pull - down Menu Screen Menu Type in Toolbar
View\Redraw V/EWlRedraw Redraw hogc R Standard
L¢nh Redraw dung de xaa cae dau "+" (W?i Ia cac Blipmode) tren man hlnh.
7. Tili I~o cae do; Ilt<;lng Iren man hinh: L~nh Regen va Regenall
Pull - down Menu Screen Menu Type in
View\Regen VIEWlRegen Regen hoc}c Regenall
a. L¢nh Regen: Tinh toan va tai l,!-O l~i t?~l.n b9 cae d6l tuqng tren khung ohio hi¢n hanh. Khi tai l,!-O se c~p nh~tloan b9 bien da thay d6i trong ban ve.
Command: Regen .J
b. L¢nh RegenaIl; Tinh toan va tai t~o l~i toan b9 caed6i lUQ'og tren uit
ca d.c khung ohio cua man hloh (khi sitdl,log l¢nh Vports de t~o cae khung
ohio tren man hloh). Khi l,ti t~o se c~p nh~t toan b9 cae bien dJ thay d6i trong bin ve .
• Command: Regenall .J
8. Cae phltclng phap Iva chc;'" dOi Iltc;lng
Khi thl;fc hi~n cae l¢nh hi¢u chinh (modify command) t,!-i dong nhac
"Select objects" ta ch9lldoi lU<;tng hi¢u chioh thea cae phuong phap khac nhau.
T;:ti thai diem "Select objects" thi cae 59i toe bien mat chi con roN 6 vuong g9i Ia 0 ch9n (Pickbox). Ta dung 0 chQn nay d€ chQn d6i tuqng. D6i tuQng dUQc ch9n se co d~ngduang net dUt (gi6ng nhu d<;tng duang Hidden).
D~ket thuc vi¢c h!a ch9n ho~cbat dau thvc hi¢n I¢nh ta nhap phfm Enter
t~i dong nhac "Select objects".
Khi xuat hi¢n dong nhac "Select objects" thi tren danh ml).c man hinh se c6 Iva ch9n ASSIST. Ta ch9n Iva ch9n nay se xuat hi¢n cac phuong phap ll!a ch9n khac nhau .
• Cae phuong phap l~a chan d6i luqng:
1. Pickbox Dung 0 vuong ch9n, m6i hln ta chi ch9n dUQc m¢t d6i
tuqng.T~idong nhac "Select objects" xUllt hi¢n 0 vuong, ta keo 0 vuong nay giao v6i d6i tuqng can ch9n va nhap ch9n.
2. Auto T~i dong nhac "Select objects" ta ch(;m hai diem d€ xac d!nh khung dra sci. Neu di6m dau tien ben tnti, diem thli' hai ben phai thi nhiing d6i tUQng nao nam trang khung cira sci se dUQc ch9n (lUangtvWindow), neu diem dau tien ben phii va diem thu hai ben tnii thi nhiing d6i tuqng nao nam trang
va giao khung cua s6 se duqc chqn (wang tt! Crossing Window).
3. Window (W) Dung khung cua s6 de h!a chqn d6i tuqng.T~i dong nhac
"Select objects" ta nh~pW. Chqn hai diem WI va W2d~ xac dinh khung ella
s6. Khi d6 nhung d6i wqng nao nam trong ho~cgiao voi khung cua s6 se duqe ch9n.
4. Crossing Window (C) Dung clla s6 cat de ch9n d6i tuqng. T~i dong
nhac "Select objects" ta nh~p C. T~o m¢t khung clla s6. Khi d6 nhung d6i tuqng nao nam trong ho~cgiao voi khung cua 56 se duqc ehqn.
5. Window Polygon (WP) Gi6ng nhu Window, nhung khung cua s6 lit
m¢t da giac, nhung d6i tuqng nam trong khung cua s6 dUQc chQn. Khi dap WP tren dong nhac "Select objects", se xuat hi¢n ca.c dong nhac sau:
First polygon point: (Chqn di6m thd nhat Pi clla Polygon). Undo/<Endpoint of line>: (Chqn di6m cu6i P2 clla m¢t c~nh).
Undo/<Endpoint of line>: (Chqn diem cu6i P3 clla m¢t c~nh ho~c Enter d6 ket thiic vi¢e h;ra ch9n).
6. Crossing Polygon (CP) Giang nhu Crossing Window nhung khung
cua s6 la m¢t da giac.
7. Fence (F) Lt;ra ch9n nay cho phep t~o m¢t duong cat baa g6m
nhieu phAn do~n, nhting d6i tuqng nao giao voi duong cat nay se duqc ch9n. Khi nh~p F t~i dong nhac "Select object", se xuat hi¢n cac dong nhae va ta eh9n cac di~mdinh cua Fence:
Select object: F
First fence point: (Diem dau tien cua Fence).
Specify endpoint of line or lUnda]: (Diem k€ tiep clla Fence).
SpeCify endpoint of line or lUnda]: (Di6m ketiep clla Fence ho~c Enter de kel lhUe tao Fence).
8. Last (L) Khi dap L thi d6i wqng nao duqc t<;lo sau cung boi l¢nh ve (Draw command) se duqc ch9n.
9. Previous (P) Chqn l'.li cac d6i tuqng dii chQn t:;..i dong nhac Select
object: clla ffi¢t l¢nh hi¢u chinh ho~c dt!ng hinh tht;rc hi¢n cu6i cung.
11. Remove (R) Chuyen sang che d¢ tru cac d6i tuqng tir nh6m cac d6i tuqng da ch9n. Khi nh~p R t~i dong nhac Select object: se xU<lt hi¢n dong nhac Remove object.T~idong nhac cu6i cung nay ta e6 the sir dl,mg Hitca,cae phuong phap Il!a chQn d6i tuqng atren de trir cac d6i tuqng.
Ta con c6 the tru cac d6i tw:;mg t<;ti dong nhac Select object: Bang each dong thOi nhip phfm Shift vii sir dl:mg cac phuong phap Iva chQn d6i tuqng.
12. Add (A) Muon chuyen tu che d¢ tfU cae doi tuqng "Remove
object" sang che d¢ chQn them d6i tuqng l~i dong nhac nay ta dapA.
13. Undo (U) Huy bO do; tuqng vua duqe chon.
14. Group Dung IlJa ch9n nay de gQi l~i Hi cac d6i tuqng duqc t~o
M.ng l¢nh Group tru6c d6. Group Iii cac nh6m d6i tuqng chQn va da duQ'c d~t
ten. Khi dapG:
Select object: G
Enter group name: (Nh~p ten nh6m cac d6i tuqng dii duqc d~t ten).
Select objects:
VI. cAe LENH SUA f>61 HiNH VE 1. Oili cac dO; tltc;lng (L~nh MOVE)
Pull - down Menu Screen Menu Type in Toolbar
ModifylMove MODIFY2\Move Move ho¢c M Modify
L¢nh Move dung de thlJC hi¢n phep dOi m¢t hay nhieu d6i tuqng tu m¢t vi tri hi¢n t~i den m¢t vi tfi bat ky tren ban ve.
• Command: Move .J
Select objects: (ChQn cac d6i tUQ'ng cAn dai).
Select objects: (Tiep t1,IC chQn cac d6i tuqng ho~cEnter de ket thtic vi¢c lila chQn).
Specify base point or displacement: (ChQn diem chuan tren d6i tuqng,
hoac nhaP khoang doi).
diem, to~d¢ tuy~td6i, tuang d6i ...
Specify base point or displacement: (Nh~p dit~m rna ca.c d6i tuqng ca.n
doi den).
C6th~sir dl,mg phim ch<;m ella chu¢t, dung cae phuong thue tmy batdi~m.
to,!- dQ tuy¢t d6i, luang doi. ..
2. Xen mill philn dol IU';lng nlim glfi'a hal dol luc:lng giao nhau
(I~nh Trim, Exlrim)
Pull - down Menu Screen Menu Type in Toolbar
ModifylTrim MODIFY21Trim Trim, Tr Modify
L¢nh Erase xoa ca. d6i tugog, con hai l¢nh Trim va Break chi xen m¢t philo d6i tuqog.
Do<.tn can xen trang l¢nh Trim duqc gi6i h~n hoi m¢t ho~c hai d6i tuqng
giao, con dO<;ln can xen trong l¢nh Break dugc gi6i h<.l.O hoi hai di~m.
L¢nh Trim dung de xoa dO<;lll cu6i ella d6i tugng giai h,;m boi m¢>t d6i
tuqng khac, ho~cdO<;ln gil1'a eua d6i nrqngduqc gi6i h:~.nbOihai d6i tuqng kh,lc .
• Command: Trim .J
Current settings: Projection = UCS Edge = None. Select cutting edge ...
Seleel objects: (Ch9n d6i tue;mg giao v6i do~n rna ta mu6n xmi).
Select objects: (Ch9n tiep cae d6i tltqng giao hay ket thue vi¢c h,ra eh9n
bang phim Enter).
Select objects to trim or shift-select to extend or [Project/ Edge/Undo].·
(Chon do~n can xen).
Select objects to trim or shift-select to extend or [Project/ Edge/Undo}:
(Tiep t~c ch9n do~n cAn xen hay Enter d~ ket thuc l¢nh) . • Cae ll,la Ch9ll khac:
duqc xen co giao v6i cae d6i tuqng giao duqc keo dai hay khong (Extend ho~c
No extend).
Undo Lt.Ja ch9n nay cho phep phl.,lc h6i l;:ti do;:tn vua duqc xoa. 3. Xi," mQt ph"n doi tl!<1ng gilra hai dilim chQn (L~nh Break) Pull - down Menu Screen Menu Type in Toolbar
ModifylBreak MODIFY21Break Break, Br Modify
L¢nh Break cho phep ta xen m¢t pha.n cua cac d6i tuqng Arc, Line, Circle, Pline, Trace...
Do;:tn dU<;ic xen duqc gi6i h;:tn boi hai di~rn rna ta ch9n. Neu ta xen m¢t pharr cua duang tron thi do;:tn duqc xen nam nguqc chieu kim dong h6b~t dau tir di~rn ch9n thli nhat.
M¢t ho~c ca hai diem ch9n c6 th~ khong nam tren d6i tuqng bi xen. C6 4 It.Ja ch9n khi tht.Jc hi¢n l~nh Break:
3.1. ChQn hai di~m(2 points)
L~nh Break thl!c hi~n theo each nay gam 2 bUGc:
- Bu6c 1: Ch9n d6i tuqng t;:ti rn¢t di~m va di~m nay la diem dati tien clla do<;tn can xen.
- BUGC 2: Ch9n di~m cu6i cua do;:tn Can xen . • Command: Break .J
Select object: (Ch9TI d6i tuqng e6 d0;:tn rna ta mu6n xen va di~m nay la
di6'm dau tien eua doan can xen).
Specify second break point or [First point]: (Ch9n diem eu6i cua do,!-n can xen).
3.2. ChQn doi tU'1ng va hai di~m(2 poins Select)
Dung phuong phap nay thl phiJ.i ket hqp vi~c ch9n d6i tuqng vdi vi¢e eh9n hai di~m dau va cu6i eua do<:tn d.n xen.
Neu ta eh9n cae ditm bang phuong thue truy b~t giao diem (Intersection) thl dua ra ket qua cling gi6ng nhu l¢nh Trim.
• Commad: Break .J
Select object: (Chc.Jn d6i tuqng codo~n rna ta muon xen).
SpeCIfy second break point or [First point];F .J
Specify first break point: (Ch9n diem dau tien cua dO<;J.n can xen). SpeCIfy second break point: (ChQn dieIT!- cu6i cua do~n can xen).
3.3. ChQn m(Jt diem (I point)
L¢oh Breaktrong truong hqp nay dung de tach mot doi wang tMoh 2 doi
tuqng dqc l~p. Di~m tach la di~m rna ta ch9n d6i tuqng d~ thl!c hi~n l~nh
Break.
• Command: Break .J
Select object: (Ch9n doi tUQ'I1g co dO<;J.n rna ta muon xen t<;J.i di~m cAn tach doi tuqng).
Specify second break point:@ .J
3.4. ChQn d6i tu,!ng va m(>t diem (I point)
Dung l~nh Break d~tach d6i tuqng thanh hai d6i tuqng, each nay ke't hqp
gifra cach 3.2 va 3.3
• Command: Break.J
Select object: (eh'ln doi tuqng de tach thanh 2 doi wqng).
Specify second break point or [First point.!: F.J
Specify first break point: (Ch9n diem tach hai doi ttrqng). Specify second break point:@ .J
4. Keo dili deii tl/qng (I~nh Extend)
Pull - down Menu Screen Menu Type in Tholbar
ModifylExtend MODIFY2IExfend Extend, Ex Modify
Ngtrqc l<;J.i voi I~nh Trim, l¢nh Extend dung d~ keo dai m¢t d6i tuqog (object to extend) den giao voi m¢t d6i tuqng dtrqc ch9n (duQ'c g9i la duang bien "Boundary edge(s)"). D6i tuqng la duang bien con co th~ Ia d6i tl1Qng can keo dai.
• Command: Extend .J
Current settings: Projection = UCS Edge = None
Select boundary edge '"
Select objects: (Ch9n d6i nrqng HI. dllong bien).
Select objects: (Ch9n ti€p cae d6i tuqng lam duemg bien ho~eEnterd~k€t thue vi~e h!a eh9n).
Select objects to extend or shift-select to trim or / Project! Edge/Undo]:
(Ch9n d6i tuqng can keo dai).
Select objects to trim or shift-select to extend or [Project! Edge!Undol:
(Ch9n tiep cac d6i tuqng cAn keo dai ho~c nh~n Enter d~k€t thuc I~nh). • Cae h!a ch9n:
Edgemode Tltong t~ nhu l¢nh Trim. Sir dung l~a eh9n Edgemode
v& h!a ch9n extend de keo dai m¢t do~n thling d€n m¢t do~n thAng khong giao v6i no.
V ndo Dung de huy be thao tae vua tht!c hi~n