- Block: ditm CP trd thanh vi tn mm cua Block, ~n Enter tiep thl b~n c6 tM thay d6i duqt:
a ffinh g6c
ffinh g6c , a b Sau Qlangc-CP Hinh 3-18
Chu thleh: ACADl2 con e6 l~nh DDCH- PROP de bi.1n lhay d6i de d~e tinh ella d6i luqng qUH hQp tho,!-i nhl1 hlnh 3-19.
DDEDIT (Dynamic Dialogue Edit)
L¢nh nay de thay d6i n(:li dung dong ky
~.""""'V<A""''''
u;-..... =t.
I ,~ •... I BYU""~ '<"""''''000,"
H,t (Text) va thu(>c tfnh (Attribute) da co. * Crich gQi l~nh DDEDIT Itt Menu:
'"'<""" [,_.... ") ~ r-",.", I iJJ!!W
I Screen Menu> EDIT> DDedit I
* Go J¢nh tir ban phim:
Command: ddedil
Hlnh 3-19: HOp Iho<l.i ACAD 12.
l¢nh DDCHPROP eua
<SeJect a TEXT or ATIDEF object >/Undo:
B<.ln Ira Jbi TEXT hay ATTDEF thl I troug 2 h(>p thof.l.i sau day hi¢n ra, hinh 3-20a,b:
Edit AtllilJule Dehn~lan CI
Edit Text T." 1m
Text lB. Prompt ~~H~U~O:;:CT"'N::7H;=========~
Defnult: Lit 9,,''-.' , =:;:;==,---:;---,, _ _ __ --'
IJD I cencell OK Cllncel I
Hlnh 3-20a: H{)p tho,!-i "Edil Text". H"lnh 3-20h: H{)p Ihm.li "Edit Alllibutc Ddinition".
PEDIT (Polyline Edit)
L¢nh nay co the hi¢u chinh da luyen (Polyline).
* each gQi I~nh PEDIT ttT Menu:
, - - - ,
* Go I¢nh tit b~m phim:
Screen Menu> EDIT> Pedit
Menu Bar > MODTFY > Pedit
Command: pedit
Select polyline: <ChQIl Polyline dn hi¢u chinh> C losel J oi n/Wid Ih/Ed i I V erlex/Fi liS p lin el Deell vel
LtypeGen/Undo/eXik. .. >:
Tr~n dong nhac nay Close duqc thay bang Open neu Polyline dang dong kin. cac chuc nang do co y nghla nhu sau:
+ C: dong kin da tuyen dang ha;
+ 0: xoa phein do~n cu6i clmg cua Polyline d~ rna da tuyen;
+ J : dlta cae cung tron, dO<;ln lhang ho~c m(>t Polyline khac nh~p van vai Polyline co
InJoC;
+ W: de lhay deli be r(lng net ve coa Polyline;
+ F: sua dtremg Polyline da co thanh dUO'ng cong tran dtiu di qua cae dinh cua Polyline do.
B,,11 co the d~t taroc huong tiep tuy6n t<;ti 1 dlnh, thl dLTOng cong t<;to thanh se tiep nh~n
. + S: st'ta Polyline thanh duemg cong trem c6 the dieu khitn dugc til cac dinh clla Polyline nhl1 la cac di~m khung. B"lO chi ra cang nhieu di~m dinh v~ thi. dUCmg cong cang nhan hem. ffinh dl16'i dAy chi fa S,! khac nhau clla dUCmg cong hi.nh thanh do Fit va do Spline, hlnh 3-21:
CO thi t<;to thanh dl1emg eong Spline b~c 2 hay b~e 3. cae bien h¢ th6ng dung d~ dieu khien hlnh d~ng duimg Spline la SPLINETYPE. N€u d~! bien SplineType nay b~ng 5 thl Spline t<;to thanh la b~e 2; eon d~t bien gia tri 6 thi Spline sf: e6 b~c 3. Bien h¢ th6ng SPLINESEGS xac dinh so dO<;tn tMng dung d~ ve thanh duemg Spline, s6 cang Urn thl Spline cang m~n (gia tr. m~ dinh la '8). Bien SPLFRAME d~t gia tri m~e dinh 0 thi. kh6ng xuat hi¢n dUCmg khung Polyline; neu la:y gia tri 1 thi khung sf: hi~n ra eung v6i duemg Spline, xem h'inh 3-21.
ffinh g6c Fit Spline b~c 2 Spline b~c 3
Blnh 3·21·
+ D: de dua cae duemg cong sau khi Fit hay Spline tn1 ve d<;tng ban d~u, d6ng thai lam th~g tat d. d.e phAn dO<;tn c~a Polyline.
+ L: v6il,!a chQn nay d~t la ON(1) th'i lo~i duemg net hi¢n thai se eh<;ty deu d~n tren phAn do<;tn cua Polyline; con neu d~t OFF(O) th'i net g~ch dai se du<;1C bat da.u va ket thue t~i tUng dinh cae phan do~n. sau dAy la s,! khac nhau clla m¢t Polyline ve b~ng net ehilm g~ch(Dashdot) trong 2 trltimg hqp do, hlnh 3-22.
,. - ,. - .I \ t' , r·J L.-, { , 1",_.1 1._ . ., . . . . 1 1 l._._ . . _._.J ' - ' - ' - ' ._.-.-. Blnb 3-22
+ U: huy b6 thao tAc I~nh vila th'iC hi~n.
+ X: k€t thuc l~nh PEDIT.
_ ...
+ E: hi¢u ehinh tren cac dinh eua Polyline. Khi chQn "E" ACAD danh dau "x" qi dinh dau tien eua Polyline. Neu b<;tn xac dinh them huang ti~p tuyen eho dinh nay thi se xuat hi¢n
1 miIi ten theo hudng d6. B<;t.n can tra lai dong nh~c sau khi ehQn "E":
NextiPreviouslBreaklinsertiMove/RegenlSlraighlenl TangentIWilh/eXil<N>: Ok h!a chQn d6 co y nghia nhu sau:
- N va P: de di chuyen di~m danh da':u "x" tm dinh k€ sau (Next) hay t6'i dinh truac d6 (Previous).
- B(break): de x6a do~ giila 2 dinh danh dau "x". ACAD ghi nha dinh danh dfu "x" thu 1 va nhac nha tiep:
NextlPrevious/Go/eXit<N>: <chQn N hay P de chuyen dau "x" tdi dlnh thll 2>
Tiep theo b~ go "0" de x6a do~ gifra 2 dinh danh dAu "x". Con neu b~n chQn "X" se ket thue Break de trb ve chuc nang Edit Vertex.
- reinsert): dtS' chen them dinh m6i vao Polyline, ACAD nhac nha tiep: Enter new location of new vertex: <cho diem>
Sau khi cho diem vao, ACAD ve Polyline co th~m dinh nua, hinh3-23.
I I I J , Diem CU .' XI Diem moi .2 I I I J Hlnh3-23 - M(move): dOl dinh da danh da'u t6i ehb khac.
- S(straighten): de thay the cae ph1n dO'.ln nam giiia 2 dinh da danh da'u bang m¢t dO'.ln thing, hinh 3-24. thing, hinh 3-24.
Hinh g6c Danh d!u 2 dinh PI, P2
Hinb 3·24
Ktt qua
- T(tanggent); chi ra hl1<mg tiep tuy~n 4.i dinh dang danh d5u de thl!C hi¢n chuc nang Fit, sau do dap dong nh~c:
Direction of tangent: <cho g6c xac d!nh hl100g ti~p tuyen> - W(width): thay be r(mg pha.n dOi,ln Clla Polyline a ngay sau dinh danh d5u "x" - R(regent): thiet l~p li,li Polyline va c~p nh~t cac thay d6i, thl1Cmg dung sau Width. - X(eXit): thoat khoi chuc nang Edityertex d~ tro ve PEDIT.
ehU y: Nt!"u b~ ch9n dOl).n thiing hay cung tron khOng dugc 'Ie bCri I¢nh Polyline, ACAD siS nh.k Entity selected is not a polyline. <h"inh dii ch9n khOng phai polyline>
Do you want it to tum into one?<Y>: <~ mu6n n6 tra thanh Polylin·e khoogYfN '1>
• HIEU CHiNH DUNG KIj:P GRIP
Khi nao tren man hlnh xuA"t hi¢n () vu{)ng nhb(Pick bOx) t .... i giao di~m clla 2 sqi )c(Cross hair), b .... n co th~ ch(;m d6i U1l11lg ve de hi¢u chinh bllng k~p GRIP. Sau khi chQn 6i tugng bang d.ch nhay vao d6i tl1Q'11g, cac 6 vu6ng nho mau xua't hi¢n tren cac diem d~c i¢t cua d6ituqng (blnh 3-25).
• o
H"inb 3-25
Sau d6 b .... n chi con tro vao m¢t () vu{)ng Grip d dinh dn hi¢u chinh r6i an phfm pick :hu¢t, 6 vu6ng do se d6i mau khac va ACAD xem di~m d61a di~m cd sa d~ hi¢u chinh. Cac :n..tOng hqp hi~u chinh v6"i GRIP g6m:
+ STRETCH mode: d~ keo dan tir diem cd sa da ch(;m tm di~m khac. B .... n a'n pblm Pick vao m¢t 6 v\i6ng Grip lam diem C.d sa, sau do ACAD dua ra dong nh~c nhu sau:
** STRETCH **
<Stretch to point>/Base point/Copy(Undo/eXit:
Nc!u b .... n cho 1 di~m a m¢t V! tri mm, d6i tU(]ng ve da chQn.se duqc keo rit tir diem Cd
sa tai diem mai do (hinh 3-26). Chon B(Base) do! xac dinh diEm co sa khk Chon C(Copy) d~ sao chep d6i tUl1Ilg.
I I I I I Hlnh 3.16 I P2 I
+ MOVE mode: M dap l .... i dong nhac ** STRETCH ** b~ go "Mf> se xuftt hi¢n dong
,nh:ic MOVE Mode: .
** MOVE*'" ,
<Move to point>/Base point/Copy/Undo/eXit: <cho diem dfch Wi> + ROTATE mode: b .... n go "RO" dap do~g nhac" ** STRETCH **" se co dong nhac d6i voi ROTATE mode nhu sau:
** ROTA1E **
<Rotate angle>! Base point/Copy/Undo!eXit: <cho gOc quay>
+ SCALE mode: B~ go "SC" dAp dong nhac ",** SfRETrn **", xua't hi~ dong nhac sau:
<Scale factor>/Base point/Copy/Undo/eXit: <cho h~ s6 ty l~ > + MIRROR mode: go HM!" dip dong ohic H" SIRETCH •• " thl ACAD nhic tiep:
<Second point>/Base pointlCopy/Undo/eXit: <cho-diem>
Diem b~n vila cho cung v6'i diim cd Sd hlnh thanh tr~c d6i xU'ng._Sau do b,~n thu du~ hlnh d6i Xll'ng cua d6i nrqng ve da ch<;ln, nhung d6i tuqng co bi xoa di. Mu6n d6i tugng co khOng bi xoa, b~n chQn diem thu 2 clla tn..zc d6i xU'ng b~ng cach dung chu"t chi dibn thu 2 trong khi dang {in Shift. Dtroi da.y la hlnh ve minh hQa la"y d6i x6ng clla m~t hlnh dung ktfp GRIP va [n Shift M vao dibn tM 2, hlnh 3-27.
P1
Chuy: