Kukuvadza kumafaira emufananidzo uye kununura EXIF

Paunenge uchiverenga mapikicha kubva kuakakuvadzwa memori makadhi kana bhatiri parinongoerekana rapera panguva yekurekodha faira, mutori wemifananidzo angasangana ne **yakaputsika RAW faira (.NEF / .CR2 / .ARW)**.

Iyo faira haizovhurike muLightroom, Photoshop, kana system yekuona, ichipa musoro kukanganisa kukanganisa. Zvinoita here nunura shutter mileage ruzivo kubva kune yakakuvadzwa faira yakadaro?

Nei metadata ichipona huori hwemifananidzo?

A RAW graphic file yakakamurwa kuita zvikamu zviviri zvikuru:

1. Musoro/Metadata (EXIF Header uye MakerNote):Inotora mashoma ekutanga kilobytes efaira (kazhinji kubva 4 KB kusvika 128 KB).
2. Kubhadhara (Raw sensor pixel data):Inotora huwandu hwefaira (20-60 MB).

Sezvo iyo MakerNote block ine gedhi mileage yakasonwa kwekutanga kwefaira (mumusoro), 90% yenguva yainotadza. Iyo yemusoro chimiro inoramba yakasimba zvachose!

Nhanho-ne-nhanho nzira yekutora mileage kubva kune yakatyoka faira

Nzira 1: Direct dump scan kuburikidza neExifTool

Iyo `-m` mureza inobvumira ExifTool kufuratira zvikanganiso zvidiki zvehuori uye kutora tags akachengetwa:

exiftool -m -ShutterCount Yakaora_File.NEF

Method 2: Isa kune yedu yepamhepo parser

Sevhisi yedu yepamhepo inoshandisa kukanganisa-kushivirira bhinari parser yechikamu chemusoro. Haafanire kuburitsa uye decode yese heavyweight pixel matrix - inoverenga `MakerNote` block kubva kune yekutanga bytes mumasekonzi 0.05.

Data recovery table

File Damage Type	Inovhura muLightroom?	Odometer kuverenga kubudirira
Iyo faira yapera hafu (grey underlight)	Kukanganisa kana zvigadzirwa	100% Kubudirira (musoro wakasimba)
FAT32/exFAT faira system kukanganisa	Aihwa	90% Kubudirira mushure meRecuva
Zadzisa zero byte dump (0 KB)	Aihwa	Hazvigoneki (faira harina chinhu)