- Block: ditm CP trd thanh vi tn mm cua Block, ~n Enter tiep thl b~n c6 tM thay d6i duqt:
1. Di,x6a GRIP, blm an Ctrl+ C2 lb.
2. C6 J¢nh DDGRIPS di co ht>p thol,li ct19n d6ng/ma, ddi mall, ci1 b vu6ng GRIP. 3.5. HUY BO L~NH 3.5. HUY BO L~NH
L~NHU
~h nay eM huy b6 thao Ule vim tht;rc hi~n xong. Command: u
Neu b~n dung nhiiu liln I~nh U so Ian IUQI huy bO e~e ~nh ~ thyc hi~n tru(;c d6 $eo
thu h! ngu<;1C 1<,1i. UNDO
~nh nay bUy bit d6ng thlli I hie tac.dt)ng eua nhit:' I~nh tru(;c d6.
Command: undO. .
AuIo/Bac:kJCoDlrolfEntlfGruplMark< ... >:
+ Neu go siS n' viI~, Ibl ACAD se bUy bO n I~nh trUoc d6, Nang It! nhu ban dilng I~nh.
U nhi6u b i n . ' .
+ DUng Mark va Back: '!hIUc tien ban Mark M danh Mu ~nh vila th~c hi~n di sau nay can co the UNDO trll v6 Wi d6 bang chQn ,Back. B~n co the dUng Mark: d nhitu vi tri, sau
d6 Back se trO v~ tm vi tri' glin nhitt, va tiep tt;lc teri. khi kh6ng con vi tri danh ditu nao, se thOng bao:
This will undo everything. OK?<Y>:
Neu dap "Y" se trd ve h~n tr~g thoii bah dfuI md ban ve; tTa 1m "N" se IX> qua chuc nang Back.
+ OtQn Group va End: hie la m~t nh6m l~nh tnrac do dugc coi la m~t l~nh khi dung I~nh U hay UNDO. Group bM d!u, End I. kl!t thUc nhom.
Chii y: C6 m~t s6 I~nh khOng th~ U ho~c UNOO d11t;JC, nhula: AREA, DBUSf, DELAY, END, FILES, HELP, 10, USf, QUIT, SCRIP, SAVE, SfATIJS, WBWCK, ... CO nhi~u l¢nh I~i chua I¢nh U va UNDO rieng.
REDO
L~nh REDO du<;'C dung ngay sau khi dii dung I~nh U hay UNDO de kh6ng th\lc hi~n U hay UNDO nua.
Command: redo
3.6. cAc L~NH TRA c(ru
LIST
4nh nay cho b~ xem dil li~u li~n quan den d6i tUQT1g vi!. Command:. list
Select object: (chQn d6i tugng dn tra diu) DBLIST (Data Base List)
L¢nh nay 1i~t ke cae thOng tin cua tit ca cae yeu t6 tren ban vi!. * Oich gQi l~nh LIST' va DBLISI' tlr Menu:
Screen Menu> INQUIRY> List! Dblist • G6 I~nh til ban phfm:
Command: dblist ID
L¢nh nay xac dinh tQa d~ m~t diem chi tren man hinh.
*' each gQi l~nh ID tu Menu:
Screen Menu> INQUIRY> ID
>I< Go l¢nh til ban phim:
Command: id
Point: (chi ra 1 diem)
x= y= z=
DIST (Disiance = khoang each) .
4nh nay dung dt do khoang cAch giUa 2 diem, do gOc vlt giA tti djch choyin lUaIIg dili l!.x, I!.y, I!.z .
• each g9i I~nh DIST til Menu:
,-~~----~~-,
Screen Menu > INQUIRY> Dist * Go l~nh tU ban phim:
Command: dist
First point: (cho diim.thu n
Second point: (cho ditm tM 2) Distance =
Angle in xy plane = Angle from xy plane=
AREA (di~n lich)
L¢nh nay d~ doh di¢n ticb, chu vi eua hmh kin .
• C3ch gQi I~nh AREA til Menu:
rl-Sc-ree-n-M'-e-n-U->-IN-Q-U-IR-Y->-Ar-e-a'
* Go l¢nh tU ban phim:
Command: area
<First point>/Entity/ Add/Substruet:
cae tn\. Uri dOng nhlic oay:
+ N€u b:ilO cho di~m d~u (First point), ACAD coi nhu b'.lo tloh di¢n tich·cua 1 da giac luge ve tit diem nay. va nhac ti~p:
Next point: <Yao di~m tiep theo>
Next point: Next point: .J
Area = Perimeter =
+ 01<;>0 E: b'.lll ch(;m Polyline ho~ d.l1Cmg tron de Hoh di¢n tich. chu vi. Neu Polyline he
,thl ACAD d6ng kin Mng 1 dO<)ll th~ng r6i mm doh.
+ O1Qn A (add = them): dung IlP ehQn nay ACAD so tinh tiep va e~ng them vao di~
tich, chu vi da tjoh tnl't1C do d~ co di¢n tich toan ph~n mm.
+ O1Qn S (substruct = triI di): lUang tl! nhu chQn A, nhung i1 day I~ tinh hi~u.
Vi dl.l: Tinh di¢n rich t.bn kim
lo~ (philn g(iCh cMo) nhu hinh 3-28.
44
Command: area
<First poinl>/Entity/Add/ Substruct: A (<It tinh t6ng) <First poinl>/Entity/Add/
Substruct: E (chQn d6i tuQng tinh ~n lich) (ADD mode) Select circle or
polyline: (chi vAo d.ronS
Polyline I) Hlnh 3-28
Area = 6213.72 Perimeter=314.2:i Total area = 6213.72
(ADD mode) Select circle or polyline: .J
<First poinl>/Entity/Add/Sobstruct: S <lit linll ~u> <First poinl>/Entity/Add:E <chQn d6i IUQflg tinh>
(SUBSIRUCT mode) Select circle or polyline: <chi wo du1mg trim 2> Area = 1256.64 Perimeter = 125.66
Total area = 4957.08
(SUBSIRUCT mode) Select circle or polyline: <chi wo du1mg 3>·
Area = 300.00 Perimeter = 50.00
Thtal ace. = 4657.08
(SUB~TRUcr mode) Select circle or polyline: .J
CHrfONG4
-" ~ - -