Ungayibuka kanjani yonke imininingwane ye-PDF efihliwe (Umbhali, Usuku lokudalwa, Isihloko, njll. i-metadata kanye nezakhiwo)
Amafayela amaningi e-PDF aqukethe imininingwane efihliwe engabonakali lapho ufunda umbhalo oyinhloko, njengegama langempela lombhali, isoftware esetshenziselwe ukuhlela ifayela kanye nosuku oluqondile lokudalwa. Ngaleli thuluzi, ungabuka le datha efihliwe endaweni ngezinyathelo ezimbalwa ezilula:
- Ngenisa amafayela: Chofoza endaweni yokungenisa ebomvu enwetshiwe ngenhla, noma uhudulele futhi uwise amafayela e-PDF wangakini ngqo kuleyo ndawo.
- Ukuhlaziya okuzenzakalelayo: Ngemva kokungenisa, uhlu lwamafayela luzoboniswa. Injini ye-PDF izohlaziya buthule i-metadata endaweni esipheqululini sakho. Ngemva kokuphothula, amaphaneli we-"PDF Info metadata" kanye ne-"XMP XML metadata" azovela ngokuzenzakalelayo kufayela ngalinye.
- Buka futhi Ukopishe: Emaphanelini emininingwane ebonisiwe, ungahlola ngokucacile okhiye bezakhiwo ezahlukahlukene namanani azo. Uma kunesidingo, chofoza inkinobho ethi "Kopisha" ekhoneni eliphezulu kwesokudla sephaneli ngayinye ukuze ukopishe yonke imininingwane ebhodini lakho lokunamathisela ngokuchofoza okukodwa.
Uma ufuna ukususa le datha yobumfihlo unomphela, chofoza inkinobho ethi "Susa i-Metadata & Landa" ekhoneni eliphezulu kwesokudla sekhadi lefayela. Ngemva kokucutshungulwa, inguqulo entsha yefayela le-PDF (elingenayo nhlobo metadata efihliwe) izolanda ngokuzenzakalelayo.
Ukubuka imininingwane efihliwe nezakhiwo ze-metadata zamafayela e-PDF amaningi ngamaqoqo
Leli thuluzi lisekela ukucubungula ngamaqoqo ngokugcwele. Ungahudula futhi uwise noma ukhethe amafayela e-PDF amaningi ngesikhathi esisodwa:
- Ngemva kokungenisa, inani eliphelele kanye nenkomba yefayela ngalinye kuzoboniswa. I-metadata ihlaziywa ngokuzimela ngaphandle kokuphazamisana bodwa.
- Endabeni yamafayela amaningi, ngaphandle kokuhlanza nokulanda amafayela ngamanye, inkinobho ethi "Landa konke" izovela phezulu ohlwini.
- Ukuchofoza le nkinobho kususa ngokuzenzakalelayo i-metadata Info kanye nemifudlana ye-XMP kuwo wonke amafayela angeniswe ngempumelelo, bese iwapaka efayeleni le-ZIP elilodwa ukuze alandwe.
Hlobo luni lwedatha efihliwe eku-PDF?
Kucaciso lwe-PDF, i-metadata igcinwa kakhulu ezinhlelweni ezimbili ezikhona ndawonye: ifomethi yendabuko ye-PDF Info Dictionary kanye nefomethi yomfudlana yesimanje ye-XMP (Extensible Metadata Platform). Ukuqonda lokhu kukusiza ukuthi ulawule ubumfihlo bakho be-PDF kangcono.
I-Metadata Yemininingwane Ye-PDF
Lena yindlela yokuqala neyendabuko kakhulu yokugcina i-metadata ekucacisweni kwe-PDF. Inamathiselwe ku-PDF Trailer ngendlela yemibhangqwana ebalulekile yamanani (izichazamazwi). Okhiye abajwayelekile abavamile bahlanganisa:
| Ukhiye Ojwayelekile | Incazelo | Isimo Sobuchwepheshe |
|---|---|---|
Title | Isihloko | Igama lesihloko sefayela. |
Author | Umbhali | Ngokuvamile igama lomsebenzisi le-Office noma isoftware yokuhlela (isb. WPS) edale ifayela. |
Subject | Isihloko/Indaba | Incazelo emfushane mayelana nokuqukethwe kwefayela le-PDF. |
Keywords | Amagama abalulekile | Amagama abalulekile ahlukaniswe ngokhefana ukuze kuseshwe futhi kugcinwe imibhalo. |
Creator | Umdali | Igama lesoftware eguqule idokhumenti yoqobo yaba yi-PDF (isb. Microsoft Word). |
Producer | Umkhiqizi we-PDF | Injini eyisisekelo ekhiqize ama-byte wokugcina e-PDF (isb. Acrobat Distiller noma i-Microsoft® Word). |
CreationDate | Usuku lokudalwa | Isikhathi esiqondile lapho ifayela liguqulelwa ku-PDF, ngokuvamile liqukethe umehluko wendawo yesikhathi. |
ModDate | Usuku lokushintsha | Isikhathi sokugcina esishintshiwe noma esilondoloziwe sefayela le-PDF. |
Trapped | Ifulegi le-trapping | Ibonisa ukuthi idokhumenti idlule yini enqubweni ye-trapping (inani lithi True, False njll). |
Izinqubo zangokwezifiso ezingekho ezingeni elijwayelekile zingase zivele kulesi sichazamazwi. Isibonelo, ama-PDF athunyelwe avela ezinhlelweni zenkampani avame ukurekhoda imibhangqwana yamanani angokwezifiso njenge-Company noma i-SourceID.
PDF XMP Metadata
XMP (Extensible Metadata Platform) iwuhlelo lwe-metadata lwesimanje olusekelwa yi-Adobe. Esikhundleni sesichazamazwi esilula, ihlela i-metadata njengo-**mfudlana wedatha we-XML** ofakwe ngaphakathi kwe-Catalog node ye-PDF.
I-XMP isuselwe ekucacisweni kwe-W3C RDF, okuvumela izakhiwo zedatha eziyinkimbinkimbi kakhulu (isibonelo izincazelo zezilimi eziningi, amapharamitha we-ISO wekhamera, nezimemezelo ze-copyright). Kodwa-ke, lokhu kusho ukuthi ama-PDF angaqukatha inani elikhulu lemininingwane yobumfihlo enemininingwane. Lapho uvikela amafayela, ukususa sichazamazwi se-Info kuphela akwanele; kufanele futhi ususe umfudlana wakho we-XMP ukuze uzuze ukuvikelwa okuphelele kobumfihlo benyama.