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Xfig at a glance
Xfig
Xfig began in 1985 and accumulated decades of maintenance and export tooling, which made the .fig format a durable bridge between interactive diagram editing on Unix systems and downstream conversion to PostScript, PDF, and other outputs.
PFM Raw at a glance
PFM Raw
PFM persists from the era when HDR imaging, rendering research, and tone-mapping workflows needed straightforward file carriers for floating-point image data long before mainstream consumer HDR delivery formats matured.
Format comparison
| Feature | Xfig | PFM Raw |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | scalable | depends |
| File size characteristics | small | medium |
| Compatibility | moderate | broad |
| Editability | high | moderate |
| Created year | 1985 | 1998 |
| Inventor | Supoj Sutanthavibul | PBRT / Paul Debevec community |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | good | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | design | delivery |
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use Xfig
- illustration
- diagramming
- brand asset delivery
- Preserves object-level editability for technical diagrams.
When to use PFM Raw
- capture ingest
- editing
- web or print delivery
- Stores floating-point pixel data directly.
FAQs
Why convert Xfig to PFM Raw?
Choose PFM Raw as target when HDR rendering, tone-mapping, or scientific-imaging workflows need floating-point pixel values to survive intact between tools.
What changes when converting Xfig to PFM Raw?
Convert to PFM raw when HDR rendering, tone-mapping, or scientific-imaging workflows need floating-point pixel values to survive intact between tools. It is especially useful as an intermediate format for graphics research, physically based rendering, and analytical image-processing pipelines that operate on scene-referred data.
What should I review after converting Xfig to PFM Raw?
After conversion, review these destination checks: Open converted output in ImageMagick and verify behavior on real samples; Compare output against the expected depends quality profile; Weak formal standardization and uneven parser behavior.
How can I keep quality stable in Xfig to PFM Raw conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Poor fit for mainstream publishing and consumer software; Weak formal standardization and uneven parser behavior; Validate destination compatibility before large-batch conversion.