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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.
FITS at a glance
FITS
FITS became a durable scientific standard because observatories, spacecraft, and analysis tools needed a stable interchange format that outlived individual instruments and software stacks.
Format comparison
| Feature | MetaPost | FITS |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1994 | 1981 |
| Inventor | John Hobby | NASA / astronomical data community |
| 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 FITS.
- MetaPost is commonly used in vector workflows.
When to use FITS
- Your target workflow expects FITS.
- Improve delivery compatibility with FITS.
- FITS is commonly used in image workflows.
FAQs
Why convert MetaPost to FITS?
Convert to FITS when preserving scientific image data, observation metadata, or instrument-derived captures for astronomy and research workflows.
It is the right target when measurement context matters as much as the picture itself.
What changes when converting MetaPost to FITS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to FITS removes vector scaling.
What should I review after converting MetaPost to FITS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.