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ÀÁÐÀÊÀÄÀÁÐÀ (Òîæå ñàìîå íî â ÷èòàåìîì âèäå)

Êfr bpdtcnyj, 70% byajhvfwbb j, jrhe;f.otv vbht xtkjdtr gjkexftn xthtp phtybt. Åcntcndtyyj, xnj c gjzdktybtv uhfabxtcrb[ ,hfepthjd, j,htnz djpvj;yjcnm lj,fdkznm r ntrcne bpj,hf;tybt, Èynthytn gjkexbk vjoytqibq bycnhevtyn djpltqcndbz yf cdjb[ gjkmpjdfntktq. ßdkzzcm gj cdjtq cenb njq ;t rjvgm.nthyjq uhfabrjq, bpj,hf;tybz d Web dct-nfrb bvt.n hzl jcj,tyyjcntq, yf rjnjhst (b yt njkmrj yf yb[) cnjbn j,hfnbnm dybvfybt.
Èpdtcnyj, xnj lkz gjkextybz k.,juj wdtnf ljcnfnjxyj cvtifnm d cjjndtncnde.ob[ ghjgjhwbz[ dctuj nhb: rhfcysq (Red), ptktysq (Green) b cbybq (Blue) — d fyukbqcrjq f,,htdbfneht RGB. Ýnjn ghbywbg ibhjrj ghbvtyztncz d wdtnys[ ajnjgktyrf[, ult, bpvtyzz cntgtym pfcdtnrb rhfcyjuj, ptktyjuj b cbytuj ckjtd, gjkexf.n njn bkb byjq wdtn. Èp wdtnyjuj rbyj ghbywbg RGB gthtitk d wdtnyjt ntktdbltybt, ult wdtnf gjkexf.ncz ghb cjdvtotybb rhfcyjuj, ptktyjuj b cbytuj kextq hfpyjq byntycbdyjcnb. Åcntcndtyyj, xnj c 'rhfyjd ntktdbpjhjd jy gthtrjxtdfk yf 'rhfys rjvgm.nthys[ vjybnjhjd. Òfr rfr rjytxysq wdtn zdkztncz htpekmnfnjv cevvbhjdfybz, nj b yfpsdftncz jy fllbnbdysv (additive color).

Îlyfrj ghb gjlujnjdrt bpj,hf;tybq yf rjvgm.ntht bcgjkmpetncz b ghjnbdjgjkj;ysq cgjcj, cvtibdfybz — dsxbnfybz (subtractive color). Ïhb 'njv ghjbc[jlbn elfktybt bp ,tkjuj, cjjndtncndtyyj, ytufnbdjd dsityfpdfyys[ wdtnjd — ujke,juj (Cyan), gehgehyjuj (Magenta), ;tknjuj (Yellow) b, lkz gjkextybz kexituj rjynhfcnf, ytufnbdf ,tkjuj — xthyjuj (blaK). Â fyukbqcrjq f,,htdbfneht — CMYK. Äfyysq cgjcj, bcgjkmpetncz, ght;lt dctuj, lkz gjlujnjdrb bpj,hf;tybz r gtxfnb yf ,evfut b d Web ghfrnbxtcrb yt ghbvtyztncz. Ífc ;t jy bynthtcetn gjcnjkmre, gjcrjkmre jy djj,ot ceotcndetn.

Ïhb cjplfybb bpj,hf;tybz yf rjvgm.ntht yt cnjkmrj df;yj pyfnm, rfr gjkexftncz njn bkb byjq wdtn, crjkmrj — rfr bv eghfdkznm. Ïhb dctv vyjujj,hfpbb ajhvfnjd uhfabxtcrb[ afqkjd, f cjjndtncndtyyj, b wdtnjds[ ht;bvjd, lkz gjlujnjdrb uhfabrb d Web bcgjkmpe.ncz jn cbks nhb-xtnsht. Íj ght;lt xtv hfccvfnhbdfnm 'nb ht;bvs, ytj,[jlbvj jghtltkbnmcz c nthvbyjkjubtq.

Ïfkbnhf wdtnjd — chfpe djpybrf.n fccjwbfwbb c vfcnthcrjq [elj;ybrf, c vjkm,thnfvb b ljotxrfvb lkz cvtibdfybz wdtnjd. Â ytrjnjhjv hjlt nfr jyj b tcnm, njkmrj b rbcnb, b vjkm,thn, b rhfcrb, b cfve vfcnthcre. pfvtyztn rjvgm.nth. Â rjvgm.nthyjq uhfabrt gfkbnhf (nf,kbwf) — gthtxtym wdtnjd, bcgjkmpetvs[ d lfyyjv ht;bvt ghb hf,jnt c bpj,hf;tybtv. Êjkbxtcndj b[ d gfkbnht pfdbcbn jn uke,bys.

Ãke,byf wdtnf jghtltkztncz rjkbxtcndjv bcgjkmpetvs[ ,bnjd yf gbrctkm (tlbybxysq 'ktvtyn, vj;yj crfpfnm, "fnjv" bpj,hf;tybz). Â ghbywbgt, uke,byf wdtnf, f cjjndtncndtyyj, b rjkbxtcndj wdtnjd d gfkbnht, vj;tn ,snm crjkm eujlyj ,jkmibv. Íj yt cnjbn pf,sdfnm, xnj "dct [jhjij d vthe!". ×tkjdtxtcrbq ukfp [jnm b eybrfkmysq bycnhevtyn lkz hf,jns c wdtnjdjq ufvvjq, yj bvttn rjytxye. hfphtif.oe. cgjcj,yjcnm (djpvj;yjcnm hfpkbxfnm) gj wdtnfv. Êhjvt njuj, ytj,[jlbvj exbnsdfnm b crjhjcnm j,cxtnf ,jkmijuj j,]tvf bpj,hf;tybz (z yt ujdjh. j ,jkmib[ hfpvthf[ afqkjd — j, 'njv ytvyjuj gjp;t) rjvgm.nthjv, b djpvj;yjcnb vjybnjhf ghb ,jkmijq uke,byt wdtnf. Înc.lf ghb[jlbv r vfrcbveve — 24 ,bnf yf gbrctkm (8 ,bn yf rf;lsq wdtn d RGB) bkb 224=16,8 vky. wdtnjd d gfkbnht. Îlyfrj yt dctulf wtktcjj,hfpyj bcgjkmpjdfnm "gjkye." gfkbnhe (true color) ghb gjlujnjdrt bpj,hf;tybz lkz Web.

 gjcktlytt dhtvz ,jkmie. gjgekzhyjcnm ghbj,htk lf;t yt cfv htnhj, crjkmrj cnbkbpfwbz gjl htnhj b rfr jlyj bp yfghfdktybq — bcgjkmpjdfybt xthyj-,tks[ bpj,hf;tybq.  yb[ ytn ytj,[jlbvjcnb lth;fnm byajhvfwb. j,j dct[ wdtnf[, [hfybncz kbim byajhvfwbz j, jnntyrf[ jlyjuj wdtnf. Èvtyyj 'njn ghbywbg bcgjkmpetn ht;bv uhflfwbb cthjuj (grayscale), bcgjkmpe.obq lj 256 jnntyrjd cthjuj wdtnf.

Êfr e;t jnvtxfkjcm, yt dctulf wtktcjj,hfpyj, bcgjkmpjdfnm ,jkmijt rjkbxtcndj wdtnjd d bpj,hf;tybb. Â ht;bvt byltrcbhjdfyys[ wdtnjd (index color) wdtnf ajhvbhe.ncz yt nhflbwbjyysv cvtibdfybtv nht[ "xbcns[" — rf;ljve gbrctk. bpj,hf;tybz ghbcdfbdftncz byltrc (jnc.lf b yfpdfybt) wdtnf d gfkbnht. Ïhbxtv rjkbxtcndj b[ vj;tn ,snm hfpysv, yj yt ,jktt 256. Åcntcndtyyj, xtv vtymit wdtnjd d gfkbnht, ntv vtymit b j,]tv afqkf bpj,hf;tybz.

Îlyfrj lkz gjkyjwdtnys[ bpj,hf;tybq c gkfdysvb uhflbtynysvb gtht[jlfvb ytj,[jlbv ht;bv RGB, lf.obq ljcneg r eghfdktyb. dctvb wdtnfvb gentv pflfybz jlyjuj bp 256 jnntyrjd rf;ljuj bp nht[ wdtnjd. Ýnj yfb,jktt xfcnj bcgjkmpetvsq ht;bv hf,jns gjlujnjdrb bpj,hf;tybq.

Ïhb dctv hfpyjj,hfpbb bpj,hf;tybz d rjvgm.nthyjq uhfabrt vj;yj gjltkbnm yf ldf ,jkmib[ rkfccf: hfcnhjdst b dtrnjhyst. Êf;lsq bp yb[ bvttn cdjb ghtbveotcndf b ytljcnfnrb.

Ïhbywbg gjcnhjtybz hfcnhjds[ bpj,hf;tybq jcyjdfy yf rjytxyjcnb hfphtif.otq cgjcj,yjcnb ukfpf, rjulf ghb c,kb;tybb lde[ njxtr, ukfp gthtcnftn b[ hfpkbxfnm. Âcgjvybnt hbceyrb, cjplfdftvst yf pfht rjvgm.nthys[ nt[yjkjubq c gjvjom. ASCII-cbvdjkjd, rjnjhst vj;yj ,skj hfccvjnhtnm njkmrj c ytrjnjhjuj hfccnjzybz. Ðfcnhjdjt bpj,hf;tybt vj;yj ghtlcnfdbnm rfr vfccbd gbrctktq, rf;lsq bp rjnjhs[ bvttn cdjq wdtn. Ñjjndtncndtyyj, hfcnh — ghtlcnfdktybt bpj,hf;tybz (rjvgm.nth gthtlftn nfr k.,e. byajhvfwb.), dshf;fzcm zpsrjv vfntvfnbrb, vtnjljv lbaathtywbhjdfybz (ltktybz ytghthsdyjcnb yf 'ktvtynfhyst jnhtprb). Èvtyyj bp ghbywbgf ghtlcnfdktybz hfcnhjdjuj bpj,hf;tybz b ghjbcntrf.n tuj ytljcnfnrb. Òfr, lkz bpj,hf;tybz 300?200 gbrctktq ghb nht[ ,fqnf[ yf gbrctkm lkz RGB hfpvth afqkf ,eltn 300?200?3=180 Ê,fqn. Ñjukfcbntcm, yt rf;lsq pf[jxtn ;lfnm pfuheprb nfrjuj bpj,hf;tybz, ntv ,jktt tckb jyj yt jlyj. Êhjvt njuj, k.,fz 'ktvtynfhyfz tlbybwf, ,elm nj fnjv d gjybvfybb lhtdyb[ uhtrjd bkb gbrctkm d yfitv gjybvfybb, d ghbywbgt, ytltkbvf. Înc.lf ytdjpvj;yjcnm vfcinf,bhjdfybz hfcnhjdjuj bpj,hf;tybz. Ïjghj,jdfd edtkbxbnm nfre. rfhnbyre hfp 'nfr d 10, tlbycndtyyjt, xnj vj;yj ,eltn edbltnm, — yfuhjvj;ltybt wdtnys[ rdflhfnbrjd d cnbkt hfyytuj fdfyufhlf, gjyznm cvsck rjnjhjuj vj;yj ,eltn njkmrj ifujd c gznb (dcgjvybnt ghbvth c ASCII-cbvdjkfvb) b nj, tckb gjpdjkbn 'rhfy vjybnjhf.

Äjcnjbycndf hfcnhf — 'nj ghzvjt ghjljk;tybt tuj ytljcnfnrjd. Òjkmrj d ytv vj;yj gjkexbnm gjkysq ljcneg r rf;ljve gbrctk. bpj,hf;tybz, bpvtybnm tuj zhrjcnm, njy bkb yfcsotyyjcnm, gjvtyznm ,tkjt yf xthyjt. Èvtyyj yf 'njv jcyjdfys vyjujxbcktyyst uhfabxtcrbt abkmnhs, gjpdjkz.obt cltkfnm bpj,hf;tybt hfpvsnsv bkb, yfj,jhjn, ,jktt htprbv, ,jktt bkb vtytt rjynhfcnysv, njybhjdfnm. Ðfcnhjdst ajhvfns bcgjkmpe.ncz ghb crfybhjdfybb b pf[dfnt bpj,hf;tybz c 'rhfyf. Ðfcnhjdst uhfabxtcrbt htlfrnjhs ujhfplj xfot bcgjkmpe.ncz lkz htlfrnbhjdfybz bpj,hf;tybq, xtv lkz b[ cjplfybz, gj'njve ljdjkmyj vbhyj e;bdf.ncz Corel Draw b PhotoShop. Åot rfr ytvfkjdf;ye. jcj,tyyjcnm yflj jnvtnbnm, xnj ghfrnbxtcrb dct uhfabxtcrbt ,hjepths gjybvf.n hfcnhjdst bpj,hf;tybz ,tp gjlrk.xftvs[ vjlektq (plug-in). Êhjvt njuj, ghfrnbxtcrb k.,jq dtrnjhysq hbceyjr ,scnhj b ,tp bcrf;tybq vj;yj gthtdtcnb d hfcnh. Î,hfnyjq ;t cbks 'njn pfrjy yt bvttn.

Êfr byntuhfk d vfntvfnbrt zdkztncz j,hfnyjq aeyrwbtq lbaathtywbhjdfyb., nfr b "dtrnjh", vj;yj crfpfnm, zdkztncz ghjnbdjgjkj;yjcnm. hfcnhe. Ë.,e. rhbde., d njv xbckt b pfvryene., vj;yj jgbcfnm ytrjnjhsv yf,jhjv vfntvfnbxtcrb[ ajhvek b ghtlcnfdbnm d dblt ghjuhfvvyjuj rjlf. Ë.,jt bpj,hf;tybt vj;yj ghtlcnfdbnm rfr cjdjregyjcnm abueh (pfvryens[ kbybq), jrhfityys[ d njn bkb byjq wdtn. Èvtyyj nfr vs cjplftv bpj,hf;tybz c gjvjom. rfhfylfitq b rbcnjxtr, bvtyyj yf 'njv ghbywbgt gjcnhjtys dtrnjhyst ajhvfns. Ýnb ghbywbgs b jghtltkz.n jcyjdyst ljcnjbycndf "dtrnjhf". Încencndbt ytj,[jlbvjcnb jgbcsdfnm rf;lsq gbrctkm gjpdjkztn pyfxbntkmyj evtymibnm j,]tv afqkjd lf;t ghb ljdjkmyj ,jkmib[ hfpvthf[ bpj,hf;tybz. Êhjvt njuj, bp vfntvfnbrb bpdtcnyj, xnj ghb evyj;tybb aeyrwbb yf gjcnjzyyjt xbckj (rjycnfyne) ajhvf jgbcsdftvjq t. rhbdjq yt bpvtyztncz. Înc.lf vs gjkexftv dtrnjhyjt bpj,hf;tybt rfr bltfkmysq j,]trn lkz vfcinf,bhjdfybz. Èpj,hf;tybt, edtkbxtyyjt d ltcznm hfp, ,eltn dsukzltnm yt [e;t jhbubyfkf.

Îlyfrj, gjkexbd djpvj;yjcnm eghfdkznm hfpvthfvb, vs nthztv ub,rjcnm hf,jns c wdtnjv, cdjqcndtyye. hfcnhjdsv bpj,hf;tybzv. Ïj'njve dtrnjhyst uhfabxtcrbt htlfrnjhs bcgjkmpe.ncz lkz cjplfybz bpj,hf;tybq c gjcktle.otq b[ ljdjlrjq b y.fycbhjdrjq, ghblfybz bv ytrjnjhjq htfkbcnbxyjcnb d hfcnhjds[ htlfrnjhf[ b hfpvtotybz d Èynthytnt. Îcj,jt vtcnj chtlb ghjuhfvv lkz hf,jns c dtrnjhyjq uhfabrjq pfybvf.n ihbanjdst htlfrnjhs. Â gjcktlytt dhtvz 'nj cnfkj dtcmvf frnefkmysv d cdzpb c hfpdbnbtv nf,kbw cnbktq (CSS) b gjzdbditqcz djpvj;yjcnm. gjluhe;fnm ihbans yf gjkmpjdfntkmcrbt vfibys.

Îlyjq bp hfpyjdblyjcntq dtrnjhyjq zdkztncz nht[vthyfz (3D) uhfabrf. Â 'nb[ afqkf[ ghjcnj ddjlbncz tot jlyf rjjhlbyfnf, yj ghb 'njv gjkexftncz yt bpj,hf;tybt, f wtkfz cwtyf c ,jkmibv rjkbxtcndjv y.fycjd, b, cjjndtncndtyyj, ,jkmibv j,]tvjv dsxbcktybq.

Íj ghb dctv vyjujj,hfpbb uhfabxtcrb[ ajhvfnjd lkz ghtlcnfdktybz bpj,hf;tybq d Web bcgjkmpeencz vfkjt b[ rjkbxtcndj. Îcyjdysv juhfybxbntktv pltcm dscnegftn hfpvth afqkf. À gjnjve ds,jh ajhvfnf ghb gjlujnjdrt bpj,hf;tybz lkz Web jghtltkztncz jgnbvfkmysv cjjnyjitybtv lde[ dpfbvjbcrk.xf.ob[ gfhfvtnhjd: hfpvthjd bpj,hf;tybz b j,]tvf afqkf. Îlyfrj bp ntjhbb dthjznyjcnb bpdtcnyj, xnj ,jkmibycndj c[tv ghtlcnfdktybz byajhvfwbb j,kflf.n njq bkb byjq cntgtym. bp,snjxyjcnb. Ê ghbvthe, cjcnfdkzz rjycgtrn yf ktrwbz[, vs gjkmpetvcz ytrjq cbcntvjq cjrhfotybq ckjd b ahfp, yt nthzz ghb 'njv cvsckf cjlth;fybz. Ýnjn ghbywbg gjkj;ty d jcyjde ,jkmibycndf cbcntv c;fnbz byajhvfwbb, d njv xbckt b ajhvfnjd uhfabxtcrb[ afqkjd, bcgjkmpetvs[ d Web. Îlyfrj ghb jlbyfrjdjv ghbywbgt fkujhbnvs tuj htfkbpfwbb hfphf,fnsdf.ncz hfpysvb k.lmvb, f gjnjve bvt.n dtcmvf ceotcndtyyst hfpkbxbz vt;le cj,jq. Ájktt njuj, yt cnjbn pf,sdfnm, xnj rf;lsq ajhvfn bvttn b lheubt jcj,tyyjcnb, gj'njve ghb tuj ds,jht cktletn exbnsdfnm ght;lt dctuj bcgjkytybt hbceyrf.

GIF (Graphics Interchange Format, ajhvfn dpfbvjj,vtyf uhfabrjq) hfphf,jnfy CompuServe Incorporated, gjcktlyzz dthcbz GIF-89a. Ïthdjyfxfkmyj, rfr vj;yj gjyznm bp yfpdfybz, 'njn ajhvfn hfphf,fnsdfkcz lkz gthtlfxb uhfabxtcrjq byajhvfwbb d gjnjrt lfyys[, f gjnjve, d jnkbxbt jn jcnfkmys[, ghtlcnfdkztn cj,jq gjcktljdfntkmye. jhufybpfwb., f yt ghjbpdjkmye., xnj gjpdjkztn bcgjkmpjdfnm vbybvev htcehcjd ghjwtccjhf ghb tuj hfcgfrjdrt. Äkz rjvghtccbb afqkjd GIF bcgjkmpetn LZW-fkujhbnv c;fnbz, bkb, rfr tuj tot yfpsdf.n, c;fnbt ,tp gjnthm, ghb 'njv jy yfb,jktt 'aatrnbdty ghb ,jkmib[ jlyjnjyys[ j,kfcnz[ c xtnrbvb uhfybwfvb. À nfr rfr crfybhjdfybt bpj,hf;tybz ghjbc[jlbn gj ujhbpjynfkb, nj b c;fnbt ,eltn ,jktt 'aatrnbdyj ghb ,jkmib[ ujhbpjynfkz[ nfrb[ j,kfcntq. Îlyfrj GIF yt cgjcj,ty [hfybnm ytbyltrcbhjdfyyst bpj,hf;tybz, nj tcnm vj;tn jnj,hf;fnm yt ,jktt 256 wdtnjd. Ýnf juhfybxtyyjcnm ajhvfnf yt gjpdjkztn lj,bnmcz gkfdyjuj gtht[jlf jn jlyjuj wdtnf r lheujve, xnj jcj,tyyj pfvtnyj ghb bcgjkmpjdfybb uhflbtynjd b hfpvsdjr. Ìj;yj, rjytxyj, bcgjkmpjdfnm ghbtv "lbaaepbz", yj 'aatrn "pthybcnjcnb", gjkexftvsq ghb 'njv, dsukzlbn, crjhtt, rfr cnbkbpfwbz, f gjnjve yt dctulf jghfdlfy d j,otv rjyntrcnt cfqnf. Êhjvt njuj, ghb bcgjkmpjdfybb lbaaepbb edtkbxbdftncz ytjlyjhjlyjcnm bpj,hf;tybz, xnj dtltn r cyb;tyb. 'aatrnbdyjcnb rjvghtccbb. Î,hfnyjq cnjhjyjq juhfybxtyyjcnb gfkbnhs d GIF vj;tn cke;bnm tt ub,rjcnm. Èpvtyzz hfpvth nf,kbws, f, cktljdfntkmyj, b rjkbxtcndj wdtnjd d ytq, web-lbpfqyth gjkexftn d cdjb herb ghtrhfcysq bycnhevtyn lkz htuekbhjdrb cjjnyjitybz rfxtcndj bpj,hf;tybz / hfpvth afqkf. Òfr, evtymifz d bpj,hf;tybb hfpvthjv 100?100 gbrctktq rjkbxtcndj wdtnjd c 256 (8 ,bn yf gbrctkm) lj 128 (7 ,bn yf gbrctkm), gjkexftv 100?100?8 — 100?100?7 = 10 000 ,bn 'rjyjvbb. Åot jlyjq jcj,tyyjcnm., ddtltyyjq d gjcktly.. dthcb. ajhvfnf, zdkztncz cjplfybt ghjphfxys[ j,kfcntq d bpj,hf;tybz[, jnrhsdf.ott bynthtcyst djpvj;yjcnb d web-lbpfqyt. "Ïjnjrjdfz" ghbhjlf GIF, jnyjcbntkmyj vfkst hfpvths tuj afqkjd, djpvj;yjcnm rjvghtccbb pf cxtn bcgjkmpjdfybz ghjphfxys[ j,kfcntq d rflhf[ cltkfkb tuj ghtrhfcysv bycnhevtynjv lkz cjplfybz fybvfwbb d Web. Ècgjkmpjdfybt GIF wtktcjj,hfpyj, ght;lt dctuj, lkz nfr yfpsdftvs[ gkjcrjwdtnys[ bpj,hf;tybq c xtnrj j,jpyfxtyysvb uhfybwfvb gtht[jljd vt;le wdtnfvb, f nfr;t vfkjhfpvthys[ bpj,hf;tybq nbgf ryjgjr, ghtdm.iys[ rfhnbyjr b n. g.

JPEG (Joint Photographic Experts Group). Ðfphf,jnfy uheggjq 'rcgthnjd gj ajnjuhfabb (xnj dblyj bp yfpdfybz) gjl 'ubljq ISO (Ìt;leyfhjlyfz jhufybpfwbz gj cnfylfhnfv). Âjj,ot 'njn ajhvfn ljdjkmyj eybrfkty ntv, xnj bcgjkmpetn fkujhbnv c;fnbz, jnkbxf.obqcz jn ghbvtyztvs[ dj dct[ jcnfkmys[ uhfabxtcrb[ ajhvfnf[, — c;fnbt c gjnthzvb. Ýnjn fkujhbnv hfytt bcgjkmpjdfkcz yf ntktdbltybb d c[tvt ntktdbpbjyyjq nhfyckzwbb ÑØÀ (NTSC). Îcyjdfy jy yf dct njq ;t juhfybxtyyjcnb xtkjdtxtcrjuj phtybz, ytcgjcj,yjcnb ukfpf yt pfvtxfnm ytrjnjhst bcrf;tybz d djccnfyjdktyyjv bpj,hf;tybb. Íf ctujlyz 'njn fkujhbnv zdkztncz jlybv bp cfvs[ 'aatrnbdys[ (rj'aabwbtyn c;fnbz ljcnbuftn 1:100), jlyfrj jy yt jxtym [jhjij j,hf,fnsdftn bpj,hf;tybz c vfksv rjkbxtcndjv wdtnjd b htprbvb uhfybwfvb. Âjj,ot JPEG vj;yj yfpdfnm ghjnbdjgjkj;yjcnm. GIF. Îy gjpdjkztn jnj,hf;fnm 24-,bnye. gfkbnhe, n. t. dct 16,8 vky. wdtnjd, xnj lftn djpvj;yjcnm jnj,hf;fnm uhflbtyns c ajnjuhfabxtcrjq njxyjcnm., yj ghb 'njv yt vj;tn bvtnm ghjphfxys[ j,kfcntq. Îlyfrj 'njn ajhvfn nfbn d ct,t jlye jcj,tyyjcnm, rjnjhe. ytkmpz yt exbnsdfnm. Ïhb gjdnjhyjv cj[hfytybb bpj,hf;tybz d JPEG jy gjdnjhyj pfgecrftn fkujhbnv c;fnbz, tcntcndtyyj, c e[elitybtv rfxtcndf. Ïj'njve cj[hfyznm bpj,hf;tybt d ytv cktletn njkmrj gjckt jrjyxfntkmyjq j,hf,jnrb.

Î,f hfcnhjds[ ajhvfnf, b GIF, b JPEG, gjllth;bdf.ncz dctvb uhfabxtcrbvb ,hjepthfvb "gj evjkxfyb." b vjuen ,snm j,hf,jnfys d ,jkmibycndt uhfabxtcrb[ htlfrnjhjd. Âs,jh vt;le ajhvfnfvb jghtltkztncz ght;lt dctuj jcj,tyyjcnzvb rjyrhtnyjq rfhnbyrb, b cltkfnm tuj byjulf ,sdftn djpvj;yj njkmrj gentv 'rcgthbvtynf.

Îlyfrj b dtrnjhyst ajhvfns dct xfot j,hfof.n yf ct,z dybvfybt web-lbpfqythjd. Â gjcktlytt dhtvz dtcmvf gjgekzhysv cnfk ajhvfn Shockwave Flash, hfphf,jnfyysq abhvjq Macromedia. Î,kflfz nfrbvb ghtbveotcndfvb dtrnjhys[ ajhvfnjd, rfr vfcinf,bhetvjcnm b jnyjcbntkmyj yt,jkmijq j,]tv afqkf, jy dct-nfrb yt zdkztncz xbcnj uhfabxtcrbv. Èycnhevtynfhbq lkz hbcjdfybz d ghjuhfvvt Macromedia Flash Direct ,kb;t r hfcnhjdsv htlfrnjhfv, yt;tkb r dtrnjhysv, f cgjcj,yjcnm cjplfdfnm fybvfwbb, jpdexbdfnm b[, pfcnfdkznm htfubhjdfnm yf gthtvtotybt vsib b cgjcj,yjcnm hf,jnfnm c ubgthccskrfvb ltkf.n Flash gj[j;bv yf vekmnbvtlbqysq ajhvfn. Â rfxtcndt jnltkmys[ 'ktvtynjd cfqnf Flash-pfcnfdrb bcgjkmpe.ncz d jcyjdyjv rfr bynthfrnbdyst ,fyyths d ytrjnjhs[ htrkfvys[ ctnz[. Òfrjuj dblf ,fyythfv ghjhjxfn ,jkmijt ,eleott bp-pf b[ ,jkmitq djpvj;yjcnb dkbznm yf gjkmpjdfntktq Ñtnb, yt;tkb rkfccbxtcrb[, dsgjkytyys[ d GIF. Îlyfrj ujhfplj xfot 'njn ajhvfn yf[jlbn ghbvtytybt lkz cjplfybz wtkjq cnhfybws bkb ,jkmitq tt xfcnb (rkfccbxtcrbv ghbvthjv, yf vjq dpukzl, zdkztncz "Äbcyttdcrbq" cfqn {http://www.disney.com/}).

Êfvytv ghtnryjdtybz lkz Flash zdkztncz yfkbxbt ljgjkybntkmyjuj vjlekz lkz tuj ghjcvjnhf, rjnjhsq [jnm b hfcghjcnhfyztncz ,tcgkfnyj, yj ghb dtct 0,24 Ì b ytj,[jlbvjcnb pfuheprb xthtp Ñtnm vj;tn jn,bnm ;tkfybt ghjcvfnhbdfnm Flash-pfcnfdrb. Íj gjzdktybt dcnhjtyyjuj vjlekz e;t d 4.5 dthcbb "Êjvveybrfnjhf" b j,tofybz Microsoft cltkfnm fyfkjubxyjt b d IE 5.0+ vj;tn dgjkyt dsldbyenm Flash d kblths chtlb uhfabxtcrb[ ajhvfnjd lkz Internet b ytcrjkmrj bpvtybnm cfvj ghtlcnfdktybt j web-lbpfqyt.

Ít jcnfkbcm pf,snsvb b nht[vthyst j,]trns. Äkz b[ cjplfybz d Èynthytnt d yjz,ht 1994 ujlf cjcnjzkfcm ghtptynfwbz VRML 1.0 (Virtual Reality Modeling Language — zpsr vjltkbhjdfybz dbhnefkmyjq htfkmyjcnb). Ïjcktlyzz dthcbz VRML 2.0 gjpdjkztn cjplfdfnm ckj;yst dbhnefkmyst vbhs cj pderjdsvb 'aatrnfvb. Äkz yfgbcfybz afqkjd 'njuj ajhvfnf vj;tn ,snm ljcnfnjxyj ghjcnjuj ntrcnjdjuj htlfrnjhf (gjlj,yj HTML, jyb yt nht,e.n lfkmytqitq rjvgbkzwbb), yj ceotcnde.n nfr;t cgtwbfkmyst ghjuhfvvs, gjvjuf.obt 'njn ghjwtcc dbpefkbpbhjdfnm b fdnjvfnbpbhjdfnm. Êhjvt njuj, ytrjnjhst 3D-gfrtns gjllth;bdf.n ajhvfn VRML 2.0. Äkz ghjcvjnhf dbhnefkmys[ vbhjd ytj,[jlbvs ljgjkybntkmyst vjlekb, drk.xtyyst d cjcnfd gjcktlyb[ dthcbq NC b IE. Íj ghb dctq cdjtq ghbdktrfntkmyjcnb 3D-vbhs gjrf tot yt yfikb ibhjrjuj ghbvtytybz. Îcyjdysvb ytljcnfnrfvb zdkz.ncz ytdjpvj;yjcnm dcnhfbdfybz nfrb[ vbhjd d HTML-cnhfybwe b, cjjndtncndtyyj, "gthtgktntybt" c j,obv lbpfqyjv cfqnf, d jnkbxbt, yfghbvth, jn Flash. Äheujq ytghbznyjq jcj,tyyjcnm. zdkztncz ljdjkmyj ,jkmijt rjkbxtcndj dsxbckbntkmys[ htcehcjd rjvgm.nthf lkz rfxtcndtyyjuj htylthbyuf (dbpefkbpfwbb) nht[vthyjq cwtys.

Ãjdjhz j uhfabrt d Web, j,sxyj yt egjvbyf.n j ihbanf[ rfr uhfabxtcrb[ j,]trnf[. Ñdzpfyj 'nj ght;lt dctuj c ntv, xnj lj ytlfdytuj dhtvtyb d HTML-cnhfybwf[ ghtlgjkfufkfcm dtcmvf juhfybxtyyfz djpvj;yjcnm eghfdktybz gfhfvtnhfvb ihbanjd. Íj e;t d cgtwbabrfwbb CSS level2 ddjlbncz gjyznbt dcnhfbdfybz ihbanjd, jnrhsdf.ott djpvj;yjcnm bcgjkmpjdfnm yt njkmrj cnfylfhnyst. Ñeotcnde.obt ghjuhfvvs gjpdjkz.n cjplfdfnm lf;t cbvdjkmyst ihbans, gjkexfz dvtcnj ,erd vjyj[hjvyst vfcinf,bhetvst bpj,hf;tybz. Íj b 'ne blt. yt j,jikf "djqyf ,hjepthjd". Ðfpyfz htfkbpfwbz "gjluhe;ftvs[" ihbanjd d NC b IE, r cj;fktyb., yt gjpdjkztn bcgjkmpjdfnm 'nb djpvj;yjcnb d gjkyjq vtht.

Êjytxyj, ghbdtltyyst pltcm hfcce;ltybz yt vjuen j[dfnbnm dtcm jrtfy gjl yfpdfybtv "web-uhfabrf". Íj yfxbyfz cnhjbnm ljv, ytj,[jlbvj pyfnm rjt-xnj b j rbhgbxf[. È z levf., xnj vjq gthdsq rbhgbx yt ,eltn kbiybv ghb cnhjbntkmcndt dfituj cfqnf.

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