chuong7.pdf

5/25/2018 chuong7.pdf

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Chng 7 Chm sa nh Photoshop CS

Ni dung ca trang ny thuc bn quyn ca B tc Monte Cristo - Final Fantasy v www.vietphotoshop.com.Nhng bi vit

trong ny c thc in ra dng vi mc ch c nhn v phi thng mi. Nu bn mun pht hnh li trong trang web ca bn lm

n lin lc vi ti hoc t nht phi trch dn li ngun l: B tc Monte Cristo - Final Fantasy v www.vietphotoshop.com

Photoshop bao gm mt bcng cClone mnh mgip cho vic chm sa nh trnn tht ddng

v trc quan. Nhvo nhng c trng trgip kthut cbn ny m ngay cnhng ng nt

ca gng mt ngi cng c t sa trng tht v tnhin n ni kh m pht hin ra rng bc

nh c chnh sa.

Trong bi ny, bn sc hc cc kthut sau

Dng cng cClone Stamp loi trnhng phn cha va ca 1 tm nh.

Dng cng cPattern Stamp v mu t thu c thay thphn no ca 1 tm nh.

Dng Healing Brush v Patch tool hiu chnh sha trn.

Thc hin nhng chnh sa trn 1 lp nhn bn v hiu chnh n sao cho trng tht tnhin.

Quay trli nhng giai on trc trong phin lm vic ca bn bng History palette.

Dng history brush trli tng phn 1 bc nh vtrng thi trc .

Dng snapshots bo qun nhng giai an trc trong phin lm vic ca bn hu so snh

nhng trnh txl nh.

www.vietphotoshop.com - L Thun 1
http://www.bantayden.com/http://www.bantayden.com/


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Bi hc ny smt 45 pht hon thnh v phi c thc hnh trong Adobe Photoshop. Phn ln

nhng c im chnh sa nh c dng trong bi hc ny khng khthi trong ImageReady.

Nu cn, hy gbtp bi hc trc khi a cng ca bn v copy tp bi 7 vo . Khi thc hnhbi hc ny, bn sghi ln nhng file khi u. Nu mun khi phc li nhng file khi u, hy

copy chng tAdobe Photoshop CS Classroom in a Book CD. Lu rng, nhng ngi dng

Windows 2000 cn phi unlock nhng tp tin bi hc trc khi dng chng. c thm thng tin, xin

tham kho trang 3 Copying the Classroom in a Book files.

Khi u

Trong bi hc ny, bn sthc hnh qua 3 phng n ring bit, chnh sa 3 bc nh khc nhau.

mi cng on bn sdng mt cng cchnh sa ring v theo nhng cch thc khc nhau, nh

vy, bn si chng c nhng khnng v cng dng c bit ca tng loi cng c.

Bn sbt u bng vic dng File Browser xem trc 3 bc nh hon chnh m bn sthc hnh

chnh sa trong bi hc ny v mfile bt u bi hc thnht ca bn.

1. Khi ng Adobe Photoshop, n thp Ctrl+Alt+Shift (Windows)/ Command+Option+Shift (Mac OS)

trvcc thit lp mc nh. (Tham kho Phc hi thit lp mc nh trang 4.

Khi hp thoi hin ra, chn Yes xc nhn, No hon li vic xc lp chmu mn hnh ca

bn, v Close ng Welcome Screen.

2. Click nt File Browser ( ) trn thanh ty chn cng cmtrnh duyt File Browser

3. Trong ca spha trn bn tri mc File Browser, hy xc nh v chn Lessons/Lesson07 folder.

4. Trong ca sbn phi, chn nh nh(thumbnail) biu thfile 07A_End.psd. Nu cn, hy phng to

Preview palette bng cch ko nhng thanh bin gia cc pallete, hay nhp p ln 1 trong nhng th

pallete khc ng chng v mrng khng gian hin thPreview palette.



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nh nhscho thy hnh ca mt i bi xung nvi dng text trong mc t pha trn.(Trnh

duyt file)

5. Chn nhng thumbnails khc trong Lesson07 folder xem trng thi trc v sau ca c3 nh

bn sthc hnh trong bi hc ny :

Trong phng n u tin, bn scha li gc brch ri ca nh qut v sau xa bmt

vi vng ri rm chchic xung v ng rnc pha sau n l ra pha trn nhng tay

cho.

Trong phng n thnh, bn slm r nt bc tng pha sau ngi leo ni bng cch

ty bnhng nt vv vt bn tnhng ci hang ctrn bmt ni .Trong phng n th

ba, bn st sa bc nh chn dung xa bnhng np nhn nhtrn v xung quanh

mt ca ngi n ng.



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6. Khi bn xem trc xong cc files, hy nhp p ln thumbnail ca file07A_Start.psd mn ra.

Nu cn, hy phng nh ln 100% v nh li cca snh cho n khi bn c ththy c ton b

bc nh.

7. Nhp lnh File Browser trong menu File hay nt lnh File Browser trn thanh tuy chn cng c

mang n ra pha trc, sau nhp nt lnh File Browser mt ln na ng n.

Chnh sa mt svng vi cng cClone Stamp

Cng cClone Stamp cho php dng cc pixels tmt vng no ca 1 bc nh thay thcho

nhng pixels mt vng khc ca bc nh y. Vi cng cny bn khng nhng chxa bnhng

i tng khng cn thit ra khi bc nh m bn cn c ththay thnhng vng bmt trong bc

nh qut tti liu nguyn thy vn bhhng bng nhng chi tit thch hp ly ra tnhng vng

khc.

Bn skhi u bng vic in y gc rch ca tm nh bi phn nc c sao chp tmt vng

khc ca tm nh y.

1. Chn cng cClone Stamp .

2. Trn thanh ty chn cng c, hy mpop-up Brush palette v chn cctrung bnh vi ng vin

xp, chng hn cmm trn c21. Nhxc nhn ty chn canh l(Aligned).

3. Di chuyn vtr con trcng cClone Stamp vo gia nh sao cho vtr trngang hng vi nh trn

ca gc rch. Sau nhn v giphm Alt (Windows) / Option (Mac OS) cho n khi du trc hnh

nhchthp trong vng trn ri click chut ly mu ca phn nh ti vtr . Nhphm Alt /

Option.



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4. Bt u tnh trn ca gc rch, ko cng cClone Stamp phln 1 vng nhpha nh vt

rch. Hy ch chthp xut hin bn phi cng cClone Stamp. Chthp ny xc nh vng ngun

ca nh sc ti to vtr m bn r chut.

5. Thchut v di chuyn trn vng khc ca gc bmt v lp li qu trnh trn 1 ln na.

Ch rng, du thp li xut hin nhng khng vtr ban u bn chn bc 3 m l vtr c

mi quan hkhng gian tng ng vi con trcng cClone Stamp khi bn xc nh ln u tin.

iu ny xy ra do bn chn chAligned vn dc nhim vthit lp du thp vtr bt

chp vtr ca cv.

Ch : Khi ty chn Aligned khng c xc nhn v bn thao tc vi nhiu loi ccth gia du

thp v du c, mi quan hkhng gian (khong cch v hng di chuyn) sc bo ton bt chp

vtr im t mu nguyn thy.

6. Tip tc sao chp (cloning) cho n khi ton bvng nh brch c phc chxong bi mu nc

thu c.

Nu cn thit, lm cho bmt nc xut hin ha trn mt cch tnhin vi im dng ca bc



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nh, bn c thhiu chnh ssao chp bng cch thit lp li vtr mu (nh lm bc 3) v sao

chp li. Hoc l, bn c ththbchn Aligned option v sao chp mt ln na.

7. Khi bn hi lng vi hnh dng mt nc, hy vo menu File > Save.

Dng cng cPattern Stamp

Nhim vtip theo ca bn l xa chic xung v vt rnc ca n phn ui bc nh. Bn hon

ton c ththc hin iu ny vi cng cClone Stamp, nhng thay v vy, bn sdng mt kthut

khc.

Tton bmt vng c mu tng ng, bn c thdng c tnh Pattern Maker to ra mt mu

thc m bn c thdng t ln vt rnc v chic xung.

Khi to mu

Bn sbt u bng vic xc lp mt mu mi cho phng n ca bn.

1. Trn toolbox, chn cng cRectangular Marquee .on, ko chut chn vng nc tnh

trn bn phi ca vxung n vt rnc. Hy chc rng vng chn chbao cha phn mt nc

m khng cha bt kvt rnc no pha sau chic xung ang tri.



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2. Chn Filter > Patern Maker.

3. Pha di dng chTile Generation trong Hp thoi Pattern Maker, click nt lnh Use Image Size.

4. Click Generate. Vng nh Pattern Maker sc in y bi mu mt nc ca bn.

Bn c thclick Generate mt ln na to nhng bin i trn mu t . Sau , bn c th

dng cc nt mi tn y bn phi ca hp thoi xem li nhng mu t khc nhau v chn mu

bn ng dng. Tuy nhin, i vi nh mt nc ny, nhng mu ny c thhon ton tng t

nhau.

5. Pha di khung Tile History, vtr gc y bn tri hp thoi, click nt Saves Preset Pattern ( )

6. Trong hp thoi Pattern Name, g Water v click OK quay li hp thoi Pattern Maker.

7. Trong hp thoi Pattern Maker, click Cancel ng hp thoi m khng lm i chbc nh bi

mu nc.

Nu bn click OK thay v Cancel, Hp thoi Pattern Maker sthay thton btm nh bng mu t

mi m bn va khi to v lu li.iu ny chng phi l iu bn mun lm, v vy Cancel l chn

la chnh xc ri.

Ch : Nu bn v tnh lm y bc nh bi mu t mt nc, vo menu Edit > Undo. Do bn lu

mu t Water ri, n skhng bmt i v khng cn phi lp li tin trnh ny. Hn na, mu t ny

sc mt thng trc trong bPattern ca bn cho ti bn delete n i, v vy bn c thp dng n

cho nhng tp tin nh Photoshop khc, ngay ctrong nhng phin lm vic sau ny na.



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p dng mt mu t (pattern)

By gibn sn sng dng mu t ca mnh ty sch chic xung v vt rnc.

1. Chn Select > Deselect.

2. Trn hp cng c, chn cng cPattern Stamp , n n bn di cng cClone Stamp .

3. Trn Thanh cng cty chn, thay cc(Brush) khang 13 pixels trong diameter. Chn Mode l

Normal, Opacity (trong sut) l 100%, Flow (khuch tn) l 100%, v stick ty chn Aligned.

4. Click mi tn bn cnh ty chn Pattern mPattern Picker. Chn mu t Water Pattern bn

va to ra ri nhp p ln hoc click pha ngoi ng n li. Lc ny thumbnail Water sxut

hin trong ty chn Pattern trn thanh cng cty chn.

nhn ra mt pattern (mu t), hy gitrchut llng bn trn thumnail trong Pattern Picker

trong vi giy cho ti khi mt tooltip hin ra chr tn mu t v nhng thng tin vkch thc v kiu

dng ca n. Hoc click vo mi tn pha trn bn phi ca Pattern Picker mmenu pallete v

chn mt ty chn hin thkhc, chng hn Text Only (Chhin thtext), Small List (Bng k nh), hay

Large List (Bng k ln).

5. Trong ca shnh nh, ko cng ccvPattern Stamp ln trn vt rnc v chic xung th

chchng bng mu t Water. Tip tc vbng cng cPattern Stamp cho n khi bn tha mn vi

kt qut c.



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Bn chcn thm vo mt du ngt cui cng cho tin trnh chm sa ny, v hon tt cng vic.

6. Trong Layer pallete, click vo biu tng con mt trn layer CREW lm hin ln dng text ny

trong ca snh.

7. Chn menu File > Save, sau ng file 07A_Start.psd

Sdng cng cHealing Brush v Patch

Cc cng cHealing Brush v Patch thc sl mt bc tin vnng lc t sa, chng mnh m

hn so vi cc cng cClone Stamp v Pattern Stamp. Bn ssdng nhng khnng ca chng

ng thi va p dng va ha trn nhng pixels tvng ny sang vng khc, chng mra mt

cnh ca vic t sa trng tnhin hn i vi nhng vng nh khng ng nht vmu sc hay

bmt. Trong phn ny, bn shc cch t sa vch , ty bi nhng vt hn v hc nhli t

nhng kthut leo ni li thi. Do c vn c tnh a dng vmu sc, bmt cng nhsng

nn n thc s gy kh dcho vic sdng cng cClone Stamp t sa nhng vng bhng.

May mn thay, cc cng cHealing Brush v Patch sgip cho cng vic trnn ddng hn.



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Nu bn cn xem trc nhng phin bn trc v sau ca bc nh ny, hy dng File Browser

nh c m ttrong phn mu, trang 222 sch ny.

Dng Healing Brush ty vt d

Mc tiu u tin ca bn i vi bc nh ny l ty xa cp k tu ca tn 1 cp tnh nhn no

trli vp tnhin ca vch .

1. Click nt lnh File Browser trn thanh ty chn cng cmtrnh duyt File Browser, tip tc tm

v mfile 07B_Start.psd.ng trnh duyt.

2. Chn cng cZoom v click ln 2 k tkhc nguch ngoc DJ vng thp bn tri vch vi

phng i khong 200%.

3. Trn hp cng c, chn cng cHealing Brush .

4. Trn thanh ty chn cng c, click mi tn ty chn u cmpop-up pallet qun l v ko

thanh trt hoc g gi tr10px vo Diametter.ng pop-up pallet sau khi chc rng nhng thit t

khc trn thanh ty chn cng cc thit lp chmc nh : Normal ty chn Mode,

Sampled ty chn Source v du kim Aligned c gb.

5. Nhn v giphm Alt (Windows) / Option (Mac OS) click chut ko mt on pha trn vt khc

trong bc nh ly mu phn vch . Thphm Alt/Option.



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6. Bt u tpha trn vt khc D, dng mt nt bt ngn ko thng xung phn trn ca k t.

Lu rng, va khi bn thc hin nt v, vng nh bao phbi cstm thi trng c vnhkhng

c ha hp lm vi mu sc vng bn di nh. Tuy nhin, khi bn thchut, nt csha trn

tht hon ho vi bmt pha sau.

7. Tip tc ko nhng nhng nt vngn bn trn vt khc, bt u tpha trn di chuyn xung di

n khi khng cn nhn thy n na.

Khi xa xong vt khc, hy nhn kbmt vch v sthy rng hnh dng vch c phc

hi tht tnhin ngay nhng ng nt tinh tnht.

8. Trvphng i 100%, lu file.

i iu vsnapshots and History palette

Trong thc hin vic t sa, bn sdi qu lm cho bc nh trng khng c tht lm. Mt

trong nhng bin php phng trnh l bn c thlu gili nhng giai on trung gian bng cch to

nhng snapshots nhng thi im khc nhau trong tin trnh lm vic ca bn. History pallete st



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ng ghi li nhng tc vbn thc hin trong tp tin Photoshop. Bn c thdng nhng trng thi

History pallete nhl mt lnh Undo nhiu tng nc hi phc nh vmt trong nhng giai on

trc trong tin trnh lm vic ca bn. Chng hn, bqua 6 tc vgn y nht, chn gin

click vo mc thsu kttrng thi hin hnh trong History pallete ngc trln.quay trlitrng thi sau cng, chcn ko thanh trt History pallete xung v chn trng thi vtr cui cng

trong danh sch cc tc v.

Slng mc lu gitrn History pallete c xc nh trc trong thit lp Preferences. ch

mc nh, ch20 tc vgn nht c ghi li. Khi bn to ra nhiu hn 20 ln thay i trn file nh th

nhng trng thi u tin sbmt i tng ng vi slng trng thi cui cng c thm vo

History pallete.

Khi bn chn mt giai on no trc thi im hin hnh, ca snh strli trng thi n c

c thi im . Mi tc vxy ra sau vn gili cui danh sch trong pallete. Nhng nu bn

chn 1 trng thi sm hn no v thc hin tip mt tc vmi th tt ctrng thi tng hin

hin sau tc vhin hnh trong pallete sbbi thay bng trng thi mi.

Lu : Kthut tip theo skhng c nghkhi bn lm vic vi 1 file nh phc tp hay c kch

thc ln, chng hn c qu nhiu lp, bi v iu ny slm chm li qu trnh trnh by nhng din

tin. Vic lu li qu nhiu trng thi v snapshots ci hi u tnhiu RAM hn. Nu phi thng

xuyn lm vic vi nhng file nh phc tp vn dcn dung lng RAM ti a, bn nn quyt nh

gim thiu slng trng thi c lu gitrong History pallete bng cch thay i thng sny trong

Photoshop Preferences.

Snapshots cung cp cho bn chi kim tra nhng kthut khc nhau v sau chn mt trong

chng. Cthl, bn c thchn 1 snapshot ti mt thi im lm vic no m bn chc rng bn

mun gili ch t nh1 thi im cbn no trong phin lm vic. Sau , bn c ththnhng

kthut khc cho n khi cho rng mnh hon ton va . Nu bn chn 1 snapshot ti thi im

no , nhng tc vhin hnh trong khong thi gian ny sc lu gili trong file. Tip theo,



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bn c thtrli snapshot u tin v li thnhng kthut v tng khc hon thnh bc nh.

Khi mi thxong xui, bn c thchp nhn snapshot thba, ri quay trvsnapshot thnht v th

li mt ln na.

Khi hon thnh cuc thnghim, bn c thcun thanh trt ln nh History pallete im li

danh sch cc snapshots, chn mt trong nhng snapshots cui cng v so snh cc kt quvi

nhau.

Mt khi xc nh c kt qum bn ng nht, hy chn n, lu v ng file li. Khi , cc

snapshots v danh sch trong History palette skhng cn hin hu na.

Lu :Bn c thgili Bbin tp cc tc v(Edit History Log) trong tp tin Photoshop. Edit History

Log l ton bnhng g c lm trong mt file nh. c thm thng tin, hy tham kho on

Looking at the Work Area trong phn trgip ca Photoshop.

Chn mt snapshot

Do bn hi lng vkt quca vic sa cha cc vt khc trn , by gil thi im tt to 1

snapshot. N nhl mt ln ranh phn bit vi bt kthnghim no khc trong sut phin lm

vic. (Hy nhrng danh sch history v snapshots sbhy bkhi bn ng file li)

1. Hy ng cc nhm palette Navigator, Color v Layer phin lm vic ny - bn skhng cn dng

n chng trong bi hc - v dnh khong khng gian mn hnh va c gii phng mrng

History pallete cho n khi bn c thnhn thy sthay i cui cng m bn tc ng ln bc nh.

2. Vi vic chn la trng thi gy y nht trong Histoy pallete, hy click nt New Snapshot ( ) y

pallete khi to 1 snapshot cho trang thi hin hnh.



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3. Cun ln u danh sch History pallete. Mt snapshot, Snapshots 1, hin ra u pallete.

4. Nhp p ln chSnapshot 1 v g Post-graffitii tn snapshot.

Ch : Bn cng c thto ra nhng snapshots cho nhng thi on trc ca phin lm vic ny.

Mun vy, hy cun n mc trong History pallete, chn n v click nt lnh New Snapshot

y pallete. Sau khi i tn, hy quay trli trng thi bn mun tip tc cng vic.



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5. Khi chc chn rng csnapshot Post-graffiti v trng thi cui cng trn danh sch History u

c xc nhn, hy lu file.

Sdng cng cPatch

Cng cPatch kt hp cch to vng chn ca cng cLasso vi c tnh ha trn mu ca cng c

Healing Brush. Vi cng cPatch , bn c thchn 1 vng nh no m bn mun dng nhvng

ngun (vng c sa cha) hay vng ch (vng c dng sa cha). Tip n, bn r cng c

Patch khoanh 1 vng nh khc, khi bn thchut, cng cPatch lm xong nhim vca n. Phm

vi c khoanh vng ny schng gili cho ton bphn nh c v v sn sng c ko

r ln na hoc cho phn nh khc cn c v (nu ty chn Destination (ch) c chn) hoc cho

vng nh dng lm mu (nu ty chn Source (ngun) c chn.

Nn xem cn cnh c ththy r cc chi tit nh trc khi tin hnh sa cha nh.

1. Trn hp cng c, chn cng cPatch nm n bn di cng cHealing Brush .

2. Trn thanh ty chn cng c, chn du kim Source.

3. R con trcng cPatch to thnh vng vng chn quanh nhng hc nhbn phi ngi leo ni

nhcch dng cng cLasso, thchut.

4. R vng chn n vng khng bhng ca vch , tt nht l (nhng khng nht thit) vng c

mu sc tng tmu ca vch quanh cc hc nh.



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Trong khi r chut, bn snhn thy vng chn nguyn thy hin thnhng pixels tng tnhvng

chn trong vng thng lng bn di vtr ang r chut. V khi bn thchut, mu sc - khng phi

kt cu nn (texture) - sc hiu chnh ph hp vi mu sc nguyn thy ca vng chn.

5. To vng chn mi quanh cc hc nhcn li v thc hin cc tc vnhbc 4 . Tip tc cho

n khi bn hi lng vi kt qu(Nhng bst cc hc cnh tri nh).

7. Vo menu Select > Deselect bchn.

8. Lu file.

Sdng c cn nhc cng cHistory Brush bin tp li nh

Ngay cvi cng ctt nht, vic t sa nh sao cho chng trng tht tnhin l cmt nghthut

v i hi phi lm i lm li nhiu ln. Hy xem xt kbc nh ngi leo vch ca bn bng con

mt xt nt c ththy rng ngay cho du c chnh sa bi cng cHealing Brush hay Patch, c

thtc phm ca bn vn c vqu n iu hay qu mt n ni trng khng cn tht na. Trong

trng hp , bn hy sa chng bng mt cng ckhc.

Cng cHistory Brush cng tng tnhcng cClone Stamp. Skhc nhau gia chng l thay v

dng mt vng xc nh no ca nh lm ngun (nhcng cClone Stamp lm), cng c

History Brush li dng trng thi trc trn History pallete lm ngun.

Li thca cng cHistory Brush l bn c thphc hi nhng vng gii hn ca bc nh. Nhvy,

bn c thgili nhng hiu qut sa thnh cng m mnh tng thc hin i vi mt vi vng

no v phc hi vng khc, nhng vng c t sa t thnh cng hn, trvtrng thi trc



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m bn c ththln na.

1. Trn hp cng c, chn cng cHistory Brush .

2. Cun ln pha nh History pallete v click vo trng kbn snapshot Post-Graffitixc nhn

trng thi ngun m cng cHistory Brush sdng v.

3. R cng cHistory Brush ln vng nh, ni tng l cc hc nhtrc khi bn chnh sa n, bt

u trphn nh vtrng thi c. Chng sxut hin trli khi bn v.

4. Trn thanh cng cchun, hy ththit lp nhng chn la khc nhau cho cng cHistory Brush,

chng hn Opacity v Mode. Ch n nhng thay i trn vch trong qu trnh thao tc. Nu cha

tht shi lng vi kt qu, hy vo menu Edit chn lnh Undo, hoc click vo xc nh tc vtrc

cui danh sch trong History pallete quay trli trng thi trc.

5. Tip tc cng vic vi cc cng cHistory Brush v Patch cho n khi bn cm thy tha mn vi

kt qucui cng.

6. Lu file, ng ca sson tho v kt thc phin lm vic.

T sa nh trn mt lp ring bit

Trong phng n trc, bn bo vvic t sa nh bng snapshot v cng cHistory Brush. C

mt cch khc bo ton nguyn bn ti liu l thc hin vic chm sa nh trn lp nhn bn ca

nh nguyn thy. Tip theo, bn c tht sa lp nhn bn ny. Khi hon tt cng vic, bn c th

trn 2 lp li vi nhau. Kthut ny smang li nhng kt qucao cp hn, kt quthu c st

nhin v tht hn.



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Sdng cng cHealing Brush cho mt layer nhn i

Trong phng n ny, bn sthao tc trn mt bc chn dung.

1. Vo menu Window, chn Workspace > Reset pallete Location di chuyn, mli v nh cli bt

knhm pallete m bn sp xp li trong phin lm vic trc.

2. Chn nt lnh File Browser trn thanh cng cty chn mtrnh duyt File Browser, sau

nhp p vo nh nhbiu thfile 07C Start.psd mn.

By gibn c thng trnh duyt File Browser, hoc bqua tc vny cng c.

3. Trn Layer pallete, ko lp Background n vtr nt lnh New Layer y pallete khi to mt

bn sao ca n. Nhp p ln lp mi v g tRetouch i tn lp, bchn lp Retouch.

4. Trn hp cng c, chn cng cHealing Brush c thnm n bn di cng cPatch .

5. Trn thanh ty chn cng c, mpop-up Brush pallete v thit lp cc12 pixels.ng palette v

xc nhn du kim Aligned. Ginguyn gi trmc nh i vi nhng thit lp khc (Mode : Normal,

Source : Sampled).

Ch 2 np nhn vt ngang trn ngi n ng.



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6. Nhn v giphm Alt (Windows) / Option (Mac OS) v click vo vng mt ca trn pha cnh tri

nh xc lp vtr mu. Sau ko cng cHealing Brush xung di phln 2 np nhn.

Trong khi r chut, bn sthy bc nh trng tht khip nhthbn sai lm mt cch thi, bi

nhng pixels c phtrng c vti, thm ch rt ti so vi sc ca da ngi n ng. Tuy nhin,

sau khi thchut, mu sc ca vng nh sthiu chnh lm mt vt nhn v da mt strng

hon ton tnhin.

7. Tip tc dng cng cHealing Brush ty bnp nhn trn trn v gia cp chn my.

p v v lm mm nh vi layer tch bit

Bn stip tc t im gng mt bng cch dng cng cPatch v lp nhn bn (Retouch) m

c to ra trong phn trc. Nhchn lp Retouch trong Layer pallete trc khi bt tay vo vic.

1. Chn cng cPatch - c thang n di cng cHealing Brush - trn hp cng c.on v

mt vng chn quanh cc np nhn pha di mt phi (bn tri nh) ngi n ng.



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2. Di chuyn cng cPatch bn trong vng chn v r n n vng mt trn trn ri kthut tng

txa i cc np nhn di con mt cn li.

3. Tip tc t sa gng mt vi cng cPatch n khi cc np nhn c xa ht, hay ch t cng

phi mi.

iu c bit quan trng l phi t im sao cho gng mt trng cng tnhin cng tt.m bo

cho schnh sa ca bn skhng mang li mt gng mt trn nhn hay trng ging nhnha do,

c mt cch tht n gin m bn sthc hin ngay sau y.

4. Trn Layers pallete, i gi trOpacity ca lp Retouch sang 65%. Gith du vt mmca

nhng np nhn li hin ra, mang li tnh chn thc cho bc nh v lm cho n thuyt phc hn.

5. Click vo biu tng con mt du lp Retouch v so snh skhc nhau gia 2 trng thi :

nguyn thy v sau khi chnh sa.



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Hy nhn vo 2 con strn Info Bar (Thanh thng tin), ngay bn phi tlphng nh. Con su tin

(ca chng ti l 1.26 MB) miu tkch thc file nu 2 lp c dn thnh 1. Con sthhai (y l

2.52MB) chra kch thc hin hnh ca file vi 2 lp. Tuy nhin, sau khi p phng nh, bn skhng

thtch chng ra thnh 2 lp c na. Chkhi bn chc rng mnh hi lng vi kt quhng pphng cc lp tit kim khng gian a cng.

6. Vo menu Layer > Flatten Image, hoc chn lnh Platten Image trn Layers pallete menu.

7. Lu file.

Gith file nh chcn 1 lp, chnh l skt hp gia lp background nguyn thy vi lp

Retouch c chnh trong sut mt phn.

Xin chc mng! bn va hon tt bi hc ny. Gith c thng tt ccc file ang mc ri !

Cu hi n tp

1. M tsging nhau v khc nhau gia cc cng cClone Stamp, Pattern Stamp, Healing Brush,

Patch v History Brush.

2. Snapshot l g ? N hu dng nhthno ?

3. C nh hng g khc nhau khi bn chn hoc khng chn ty chn Aligned cho 1 cng ct sa

no ?

4. Bn c thsdng pattern v snapshots trong phin lm vic sau hay cho nhng file khc khng ?

Trli

1. Cc cng ct sa c nhng im khc v ging nhau nhsau :

Cng cClone Stamp : Khi bn v, cng cssao y nhng pixels t1 vng khc ca bc nh

nhmu ngun. Bn c ththit lp vng mu bng cch nhn v giphm Alt (Windows) /

Option (Mac OS) v click con trcng cClone Stamp.

Cng cPattern Stamp (Chc trong Photoshop) : Khi bn v, cng cschuyn i nhng

pixels tmt mu t m bn chnh. Bn c thto mt mu t tmt vng no ca

nh hin hnh, hoc t1 nh khc, hoc tbmu t mc nh ca Adobe Photoshop CS.



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Cng cHealing Brush : C tnh nng tng tnhcng cClone Stamp.im khc nhau l,

cng cny, Photoshop stnh ton trc sha trn gia cc pixels mu v vng t sao

cho sphc chdin ra tht tinh tv hiu qu.

Cng cPatch (Chc trong Photoshop) : C tnh nng ging nhcng cHealing Brush

nhng thay v dng u ct t1 vng c chnh, bn sphi to vng chn cho ch

cn c chnh sa ri r n phln mt vng khc thch hp v chhng.

Cng cHistory Brush : C tnh nng ging nhcng cClone Stamp.im khc nhau l,

thay v sao y nhng pixels t1 vng khc ca bc nh lm ngun nhcng cClone

Stamp lm, History Brush li t nhng pixels t1 trng thi c chnh trc trng thi

hin hnh hoc mt t1 snapshot m bn chn trn History pallete.

2. Snapshot l mt bdliu tm thi ca 1 trng thi cthno trong tin trnh lm vic ca bn.

Histoy pallete chlu gic mt slng hn chcc tc v. Sau gii hn , mi tc vmi c

thc hin sthchnhng tc vu tin trn danh sch History pallete. Tuy nhin, nu chn bt k

tc vno c lit k trn History pallete v to 1 snapshot cho trng thi , bn c thtip tc lm

vic bt u ttc vny hay 1 tc vno khc. Tmt giai on sau na trong phin lm vic

ny, bn c thtrvmt trng thi tng c snapshot lu gibng cch chn n trn History

pallete bt chp sln thay i m bn thc hin cho n lc . Bn c thlu gibao nhiu

snapshots cng c.

3. Ty chn Aligned chi phi mi quan hgia vng nh mu v cv. Skhc nhau gia 2 trng thi

chn v khng chn du kim Aligned chc ngha khi bn t sa nh bng nhiu lai u ckhc

nhau, chng hn chuyn i chc nng con trbiu thloi cv.

Nu Aligned c chn, khi gia con trly mu v cv, ti thi im bn khi ng nt

vu tin, shnh thnh mi tng quan vvtr. Ngha l, tn ti mt ng thng tng

tng gia cvv con trbiu thsbo ton vkhong cch v hng trong sut qu trnh

r chut t sa.



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Nu Aligned khng c chn, khi con trly mu strvvng mu nguyn thy mi khi

bn khi ng nt cu tin, bt chp khong cch cng nhgc gia cvv ngun.

4. Mu t (pattern) m bn to ra v lu gili trong hp thoi Photoshop Pattern Maker sc lu

cng vi ng dng. Ngay ckhi ng file hin hnh, chuyn sang lm vic vi 1 file khc, hoc thot ra

khi Photoshop, thm ch ti thit lp cc chmc nh trong Photoshop Preferences, th pattern

vn chin hu thng trc trn pattern picker. (Tuy nhin, bn c thchng gbn bng cch

click chut phi ln mu t, chn lnh Delete Pattern trn pop-up menu). Cn snapshots stng b

xa khi bn ng file nh hin hnh v skhng thphc hi trong phin lm vic sau ngay ci vi

file nh . Snapshots chc hiu lc ti phin lm vic vi file nh m trong bn to ra n.

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