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WMF in het kort
WMF
The original WMF specification was published in the Windows 3.1 SDK documentation in 1992. Aldus Corporation independently added a 'placeable' header for device independence, which Microsoft later incorporated in Windows 2000. The format specification was republished in 2006 under the Microsoft Open Specification Promise.
PGM in het kort
PGM
PBM, PGM, PPM, PNM, and later PAM come from the tool-centric tradition of keeping image interchange formats easy to parse, script, and transform.
Formaatvergelijking
| Kenmerk | WMF | PGM |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 1988 |
| Inventor | Microsoft Corporation | Jef Poskanzer / Netpbm lineage |
| Status | legacy | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use WMF
- Your source file is already in WMF.
- Preserve source expectations before exporting to PGM.
- WMF is commonly used in vector workflows.
When to use PGM
- Your target workflow expects PGM.
- Improve delivery compatibility with PGM.
- PGM is commonly used in image workflows.
Veelgestelde vragen
Why convert WMF to PGM?
Convert to PGM when you need a straightforward grayscale raster for scripting, research, or low-overhead image processing.
It is a good target for technical pipelines and intermediate data exchange.
What changes when converting WMF to PGM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PGM removes vector scaling.
What should I review after converting WMF to PGM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.