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Quarto Markdown at a glance
Quarto Markdown
QMD arrived with Quarto as a broader multi-language successor to R Markdown, extending the literate-programming and reproducible-publishing model beyond R-centric workflows into a more general scientific publishing system.
PGM Raw at a glance
PGM Raw
The raw PGM branch reflects the practical evolution of Netpbm-style tool formats: keep the tiny header and easy parsing, but move the pixel raster into a binary form that is much more usable for real data sizes.
Format comparison
| Feature | Quarto Markdown | PGM Raw |
|---|---|---|
| File type | Document | Image |
| Extensions |
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| MIME type |
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| Created year | 2022 | 1988 |
| Inventor | Posit PBC (formerly RStudio) | Jef Poskanzer |
| Status | active | active |
| Primary use cases |
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| Vector scaling | Not supported | Not supported |
When to use each format
When to use Quarto Markdown
- Your source file is already in Quarto Markdown.
- Preserve source expectations before exporting to PGM Raw.
- Quarto Markdown is commonly used in document workflows.
When to use PGM Raw
- Your target workflow expects PGM Raw.
- Improve delivery compatibility with PGM Raw.
- PGM Raw is commonly used in image workflows.
FAQs
Why convert Quarto Markdown to PGM Raw?
Convert to PGM raw when a pipeline needs direct grayscale raster data for vision research, microscopy or scientific-image preprocessing, algorithm tests, or command-line tooling where minimal format overhead matters.
It is particularly useful as an intermediate format between automated processing steps.
What changes when converting Quarto Markdown to PGM Raw?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting Quarto Markdown to PGM Raw?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.