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MetaPost at a glance
MetaPost
John Hobby developed MetaPost from MetaFont ideas, and the system later evolved into the MPlib era so TeX and LuaTeX workflows could keep high-quality vector graphics close to typeset documents.
ASF at a glance
ASF
ASF is closely tied to the Windows Media era of desktop streaming and downloadable online media.
Format comparison
| Feature | MetaPost | ASF |
|---|---|---|
| File type | Vector | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1994 | 1996 |
| Inventor | John Hobby | Microsoft |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
When to use each format
When to use MetaPost
- Your source file is already in MetaPost.
- Preserve source expectations before exporting to ASF.
- MetaPost is commonly used in vector workflows.
When to use ASF
- Your target workflow expects ASF.
- Improve delivery compatibility with ASF.
- ASF is commonly used in video workflows.
FAQs
Why convert MetaPost to ASF?
Convert to ASF when you need compatibility with older Windows Media infrastructures, enterprise archives, or inherited streaming libraries that still rely on Microsoft's classic container family.
It is useful for preservation and controlled legacy playback.
For current browser and consumer delivery, MP4 or WebM are generally better choices.
What changes when converting MetaPost to ASF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ASF adds layer support.
What should I review after converting MetaPost to ASF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.