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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.
EXR at a glance
EXR
OpenEXR came from film-production needs at ILM and then evolved into an open industry format that spread across rendering, compositing, and broader high-end image pipelines.
Format comparison
| Feature | MetaPost | EXR |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1994 | 2003 |
| Inventor | John Hobby | Industrial Light & Magic |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use MetaPost
- Your source file is already in MetaPost.
- Preserve source expectations before exporting to EXR.
- MetaPost is commonly used in vector workflows.
When to use EXR
- Your target workflow expects EXR.
- Improve delivery compatibility with EXR.
- EXR is commonly used in image workflows.
FAQs
Why convert MetaPost to EXR?
Convert to EXR when the image needs high dynamic range, floating-point precision, render passes, or linear-light compositing.
It is ideal for CGI, VFX, and advanced HDR production pipelines.
What changes when converting MetaPost to EXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to EXR removes vector scaling.
What should I review after converting MetaPost to EXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.