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AI at a glance
AI
Adobe co-founder John Warnock created Illustrator in late 1986 to automate many of the manual tasks used by his wife Marva, a graphic designer. It was a commercialization of Adobe's in-house font development software and PostScript file format.
SGI at a glance
SGI
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | AI | SGI |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | scalable | depends |
| File size characteristics | small | medium |
| Compatibility | moderate | broad |
| Editability | high | moderate |
| Created year | 1987 | 1990 |
| Inventor | Adobe Systems | Silicon Graphics Inc. |
| Status | active | legacy |
| 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 | Supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use AI
- illustration
- diagramming
- brand asset delivery
- Industry-standard vector format with deep feature support.
When to use SGI
- capture ingest
- editing
- web or print delivery
- Important for long-tail compatibility and archival conversion.
FAQs
Why convert AI to SGI?
Choose SGI as target when recovering or maintaining compatibility with workstation-era graphics assets and archives.
What changes when converting AI to SGI?
Convert to SGI when recovering or maintaining compatibility with workstation-era graphics assets and archives. It is useful mainly for migration, restoration, and historical graphics interoperability.
What should I review after converting AI to SGI?
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; Poor fit for modern mainstream publishing.
How can I keep quality stable in AI to SGI conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Tool support can be uneven and workflow-specific; Poor fit for modern mainstream publishing; Validate destination compatibility before large-batch conversion.