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VDA in het kort
VDA
The Truevision line grew out of EPICenter-era PC graphics boards, and several board names ended up surviving as filename extensions even when the underlying raster structure stayed close to the wider TGA family.
PFM in het kort
PFM
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
Formaatvergelijking
| Kenmerk | VDA | PFM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1987 | 1995 |
| Inventor | Truevision | Paul Debevec |
| Status | active | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Niet ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use VDA
- Your source file is already in VDA.
- Preserve source expectations before exporting to PFM.
- VDA is commonly used in image workflows.
When to use PFM
- Your target workflow expects PFM.
- Improve delivery compatibility with PFM.
- PFM is commonly used in image workflows.
Veelgestelde vragen
Why convert VDA to PFM?
Convert to PFM when high-precision floating-point image data must survive for rendering, HDR processing, or technical analysis.
It is useful as a working format in graphics and research pipelines.
What changes when converting VDA to PFM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PFM adds HDR content.
What should I review after converting VDA to PFM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.