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EXR in sintesi
EXR
OpenEXR came from film-production needs at ILM and then evolved into an open industry format that spread across rendering, compositing, and broader high-end image pipelines.
HDR in sintesi
HDR
HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.
Confronto tra formati
| Caratteristica | EXR | HDR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
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| Created year | 2003 | 1989 |
| Inventor | Industrial Light & Magic | Greg Ward |
| Status | active | active |
| Transparency | Non supportato | Non supportato |
| Animation | Non supportato | Non supportato |
| Primary use cases |
|
|
| Layer support | Non supportato | Non supportato |
| Vector scaling | Non supportato | Non supportato |
| Camera raw data | Non supportato | Non supportato |
| HDR support | Supportato | Supportato |
| Streaming ready | Non supportato | Non supportato |
Quando usare ciascun formato
When to use EXR
- Your source file is already in EXR.
- Preserve source expectations before exporting to HDR.
- EXR is commonly used in image workflows.
When to use HDR
- Your target workflow expects HDR.
- Improve delivery compatibility with HDR.
- HDR is commonly used in image workflows.
Domande frequenti
Why convert EXR to HDR?
Convert to HDR when you need scene-referred high-dynamic-range image data for rendering, environment lighting, or technical HDR processing.
It is useful for lighting assets and specialized imaging pipelines.
What changes when converting EXR to HDR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting EXR to HDR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.