MT S TH THUT TRONG AUTO CAD1. Bn ang cn chn mt i tng nm pha di mt i tng khc, bn lm nh th no? c mt cch rt n gin: khi chn bn nhn thm ctr, pick 1 ln nu trng ri th thi, nu cha trng th pick thm ln na n s chn xoay vng cc i tng nm ti 1 v tr cho n lc i tng bn chn l th bn nhn phm space (enter hoc phi chut).2. Bn ang bt mt lc nhiu la chn osnap, v th khi bn di chut n gn i tng, thay vo bt theo cch bn mong mun, AutoCAD li chn kiu snap khng ng? bn ch cn nhn phm tab chc nng osnap s thay i xoay vng cho n kiu bn mun th thici Snap em c th ny hay hn, m em cng ang dng rt hiu qu . lc ang chn gia mt ng nh th, khng cn zoom li, cng khng cn n phm tab khng bit bao gi mi n c im ng Th n ship v chut phi ng thi, xong n phm tt ca loi bt im . VD tm ng trn l "C" , im cui l "E" , im gia l "M" ... cc bc nghch thm nh3. Bn mun ch nh mt im l trung im ca 2 im khc m khng c i tng no bt midpoint? bn s v mt line i qua 2 im v chn midpoint, sau li xa line ny i?Khng n ni phc tp nh th, khi bn mun xc nh trung im, bn ch cn nhp vo mtp hoc m2p (middle between 2 point), ACAD s hi bn 2 im u mt, th l bn c im gia.4. Nhiu bn vn hay kch p edit text hay dimmension, cn mnh dng lnh "ed" nh vy thy hiu qu hn nhiu c bit l vi dimmension.-Nhiu bn vn phi v mi tn trong khi c th dng lnh "le", vi lnh ny ta c th vit lun text cng vi mi tn m khng cn phi dng thm lnh text, c bit s d qun l sau ny.5. Cc bn cho mnh hi nu trong bn v c hai ng thng trng nhau lm cch no cho mt trong 2 ng hin th ln trc hoc sau. VD: mt ng mu nm chng ln ng mu xanh lm cch no ng mu xanh hin th ln trc._bn vo menu Tools -> Display order -> Bring to front chn ng mu xanh.6. Nh mi ngi ch gim em cch t li lnh cho d thao tc- V d nh thay v dng MI (i xng) th em c th t li l DX chng hn.Thanks nhiu. Bn v tool>customize>Edit Program Parameters, sau tm n cc lnh cn thay th t li lnh tt.7. Bn vo Express > Tools > Command Alias Editor...> Hin bng cc lnh tt.8. Khi bn mun ni cc line, arc, polyline thnh 1 nhng chng li khng chm nhau? Bn dng tham s Mutiple ngay sau khi s dng lnh pline, sau s dng chc nng join:Command: pePEDIT Select polyline or [Multiple]: mSelect objects: Specify opposite corner: 11 foundSelect objects:Enter an option [Close/Open/Join/Width/Fit/Spline/Decurve/Ltype gen/Undo]: jJoin Type = ExtendEnter fuzz distance or [Jointype] : 5.010 segments added to polylineEnter an option [Close/Open/Join/Width/Fit/Spline/Decurve/Ltype gen/Undo]:9. Nhiu bn vn hay kch p edit text hay dimmension, cn mnh dng lnh "ed" nh vy thy hiu qu hn nhiu c bit l vi dimmension.-Nhiu bn vn phi v mi tn trong khi c th dng lnh "le", vi lnh ny ta c th vit lun text cng vi mi tn m khng cn phi dng thm lnh text, c bit s d qun l sau ny- vit dung sai cho kch thc : v d c mt kch thc 30 ta cn vit dung sai +0,1/-0,2 ta lm nh sau: dng lnh ed chn kch thc cn sa, g thm vo +0,1^-0,2 , nh du phn +0,1^-0,2 v chn a/b trn texttool. Ta s c30 +0,1/-0,2.10. Cc bn v thng phi s dung phm F8 v ng chohoc chuyn t v cho sang v thng.H, c mi ln nh th li phi vi tay ra phm F8 chn( m phm F8 lai r l xa na ch)C cch n gin l bn c thng F8 ch v thngC mi ln v cho th nhn Shift th l thnh v cho. mi tay hehe.11. v ng phn gic ca 1 gc, bn lm g?

n gin, bn dng lnh XLine, sau dng tham s B (Bisect), pick vo tm ri pick vo 2 im thuc 2 cnh ca gc. Bn s v nn mt ng thng XLine l phn gic ca gc va ri.12. Chuyn file DWG sang PDF?n gin thui bn chuyn qua ui PDF bng cch. n t hp phm Ctrl+P, ti mc printer/Plotter bn chn DWG to PDF. Dng ca s Windows v chon bn v song ok. vy l ta c mt file PDF ri.\13. To mt tex theo hnh vng cungBn v cung trn ra - dng lnh ARCTEXT (hoc vo menu Express - Text - Arc align text)14. Lnh etrudekhi bn v xong mt polyline bn mun extrude ln thnh mt khi 3d th bn nhn ctrl + alt ng thi a con ch vo vng polyline va bm chut tri v ko ra ni khc, bn g chiu cao cho n.C15. Cch hin th thi gian, ngy thng trn bn v caddng lnh "field", trong c nhiu th bn chn nh: tn file, ng dn hoc ngy thng ... (N nm trong menu Insert\field.)16. Chuyn ng spline thnh ng polyline : dng lnh FLATTEN17. o c gc c gi tr ln hn 180 Bn vn dng lnh DIMANGULAR nh bnh thng, ch hi khc mt cht l bn ng chn gc gia 2 line m bn chn chc nng o gc ca Arc hay gc gia 3 im l c18. Chn nh vo file CAD-PA1: bn Insert nh vo Word ri t Word copy nh dn vo cad( nhng nh b v trng rt xu.)-PA2: Trc ht bn chuyn nh ca bn sang dng bitmap (.bmp). Sau trn cad bn vo menu insert, ri chn OLE Object, ri dng creat from file insert nh19. i chiu mi tn kch thc:Ngoi vic iu khin mi tn trong D - Modify - Fix chng co th thay i chiu mi tn bng cch :Chn kch thc - nhp chut phi - chn Flip20. V ng dng pht giy: VD : 6o20'25"Bn nhp @500