Yuav ua li cas kom tsis txhob qhov luaj li cas ntawm PDF ntaub ntawv tsis muaj kev zoo tsis

Thaum ua hauj lwm nrog PDF ntaub ntawv tej zaum kuj yuav yog ib tug teeb meem no thaum cov ntaub ntawv loj yog loj heev, thiab nws yog tsim nyog los txo qhov luaj li cas ntawm PDF. Qhov teeb meem no tsis yog li ntawd ntau, tab sis nws tshwm sim tej zaum. Yog li ntawd, dab tsi yog qhov tau kev daws teeb meem? Cia li nco ntsoov tias feem ntau ntawm cov compressed ntaub ntawv yog heev phem. Nyob rau hauv kev, koj yuav tsum tsis tau txais ib tug zoo tshwm sim nyob rau hauv lub rooj plaub uas muaj ib tug ntau ntawm cov duab nyob rau hauv cov ntaub ntawv. Ces tus tsuas tshuaj yog mus nrhiav cov ntaub ntawv tsis muaj lawv, vim cov me nyuam rau cov ntsws nws mus dab tsi zoo yuav tsis raug.

Siv Luam theej duab kromsator

Xav txog ib yam ntawm cov feem ntau txoj kev. Yuav pib, hloov cov ntaub ntawv mus rau hauv ib daim duab. Nco ntsoov Tiff! Ua li no, koj siv tau cov Scan kromsator (xaiv "Cov ntaub ntawv" sub-yam khoom "Ntshuam" los ntawm cov zaub mov). Nyob rau hauv hauv paus ntsiab lus, qhov no (tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv ntawm loj thiab hnyav ntaub ntawv) ua kom zoo dua kev siv ntawm lub virtual tshuab luam ntawv. Nws yuav tsum tau mus ua ib tug hloov lwm lub tsev nyob rau hauv lub hom ntawm daim duab nyob rau hauv tag nrho cov ntawm cov ntawv nyeem txheej, thiab tsis yog dluab. Los ntawm txhais tau tias ntawm tib cov cuab yeej koj yuav tau ua lub resulting duab cov ntaub ntawv los txo qhov luaj li cas ntawm PDF. Nyob rau hauv hauv paus ntsiab lus, qhov no yuav ua tau siv thiab ntau txoj kev zoo nkauj graphics editors, tab sis nws tsis yog rau txhua leej txhua.

Ces tag nrho cov tau txais cov duab no yog qhov zoo tshaj plaws txhais ua djv hom siv DjVu Lizardtech Editor. Ntawm no nws yuav tsum tau muab sau tseg tias qhov kev pab muab peb hom kev hloov dua siab tshiab:

• txhoj puab heev. Siv rau standard dluab, tab sis kis nrog ib tug tseem ceeb tsis zoo, yog li ntawd txo cov PDF yuav tsis ua hauj lwm meej;
• yees duab hom - yog siv rau cov ntaub ntawv nrog ib tug ntau ntawm cov duab. Nws yuav siv sij hawm yuav luag tsis muaj tsis zoo (tab sis cov ntaub ntawv loj nyob rau hauv lub kawg tseem tsawg tshaj li qhov loj ntawm tus thawj ntaub ntawv);
• rau tej black-and-white dluab, peb pom zoo xaiv tib lub npe hom, uas yuav tau siv sij hawm qhov chaw nrog rau cov tsis zoo (tseem nyob rau hauv cov xim dub thiab dawb yog luag pom). Yog li ntawd nws yog tau txo qhov luaj li cas ntawm PDF   nyob rau hauv cov ntaub ntawv ntawm tej cov ntaub ntawv.
  

Tiam sis feem ntau nws tshwm sim hais tias nyob rau hauv daim ntawv ntawm cov duab sawv cev tsuas yog ib feem ntawm cov ntaub ntawv. Txhua tsav txhua yam - cov ntawv nyeem. Muaj yuav tsum tau ua hauj lwm nrog nws ob txhais tes: rau txhua pab pawg neeg ua ib tug nyias muaj nyias ib cov ntaub ntawv, thiab ces tsav lawv mus txog lub duas paub hom. Ces manually yog qhia lawv txuas tus tshiab daim ntawv thiab page numeruete. Yog li ntawd, yooj yim txoj kev uas yuav txo PDF loj, tsis muaj qhov yuav tsum tau rau sophisticated tricks.

Cov kev sib txawv, tej yam yooj yim thiab tsis heev ...

Yog hais tias koj tsis koom nrog xws complex txoj kev koj yuav siv tau Adobe Acrobat. Nrog nws, koj muaj peev xwm siv cov ntaub ntawv hloov dua siab tshiab txais. Ntawm cov hoob kawm, qhov kev tshwm sim yuav txawv muaj nuj nqis: lub zoo meej compression thiab koj yuav tsis tau txais.

Lwm cov kev xaiv, uas yuav tsum tau tej yam kev txawj ntse, - tus siv ntawm Photoshop. Nyob rau hauv cov ntaub ntawv no nws yog tau mus cuag lub siab tshaj plaws compression piv ntawm cov kwv suab tsis poob zoo.

Siv Photoshop, koj muaj peev xwm ua tau PDF loj yuav txo tau mus ua qhov zoo tshaj plaws kev siv ntawm nws nyob rau hauv Internet. Cheeb Tsam "compression" nyob rau hauv cov ntaub ntawv compression dialog box muaj peb txawv khej. Txhua yam ntawm lawv muaj cov kev xaiv rau cov duab compression thiab resampling nws. Yuav ua li cas kom tsis txhob daws teeb meem? Yog hais tias koj npaj yuav siv cov ntaub ntawv rau lub network, ces qhov no yuav tsum tau ua. Yog hais tias koj npaj yuav ua ntawv tom qab printing, cov kev daws teeb meem yuav tsum tsis txhob hloov lub chaw! Tua cov zaub mov, uas muaj siv downsampling.

Nws downsampling yus nyob rau hauv hais tias nws thiaj li tus naj npawb ntawm pixels nyob rau hauv cov duab. Yuav kom siv tau ib cov duab, xaiv interpolation, thiab ces nkag mus rau lub rooj koj yuav tsum tau. Nyob rau hauv tas li ntawd, koj muaj peev xwm xaiv cov chaw, los ntawm txoj kev uas tag nrho cov dluab uas nws daws teeb meem yog siab tshaj tus nqi koj nkag mus hauv, yuav ntsws. Tab sis ib zaug dua, peb nco ntsoov tias cov PDF compression tsis poob zoo - tus txheej txheem yog heev, thiab siv nws tsis yog ib txwm advisable.