OBJ (Wavefront 3D Object)
OBJ는 기하(꼭짓점, 면, 법선, UV)와 재질(.mtl) 파일을 지원하는 범용 3D 모델 형식입니다.
MIME 타입
video/mp4
유형
바이너리
압축
손실
장점
- + Universal playback on browsers, phones, TVs, and consoles
- + Supports H.264, H.265, AV1, AAC, subtitles, and chapters
- + Streamable — can start playback before download completes
- + Excellent compression efficiency with modern codecs
단점
- − Container flexibility means codec support varies by player
- − Some codecs (H.265, AAC) have licensing fees
- − Not ideal for editing — use ProRes or DNxHR for production
.MP4 사용 시점
OBJ는 3D 모델 교환에 사용하세요. 실시간 렌더링에는 glTF, 3D 프린팅에는 STL을 사용하세요.
기술 세부사항
v(꼭짓점), vn(법선), vt(텍스처 좌표), f(면) 키워드의 일반 텍스트입니다. .mtl 파일이 재질을 정의합니다.
역사
Wavefront Technologies가 1980년대에 만들었습니다. 단순성과 개방성으로 보편적 3D 교환 형식이 되었습니다.
.MP4에서 변환
.MP4로 변환
관련 포맷
관련 용어
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