| Property | F5 | VTK | CGNS | XDMF |
|---|---|---|---|---|
| Topology/Geometry Separation | ? Explicit | ? Bound | Partial | Partial |
| Time-independence via ID | ? | ? | ? | ? |
| Sub-cycle AMR Stepping | ? Native | Extension | Extension | ? |
| No predefined type taxonomy | ? | ? Enum | ? Enum | ? |
| Tensor Transformation Rules | ? | ? | ? | ? |
This is a rigorous, mature, and mathematically grounded specification for a scientific data format. It is clearly designed to support large-scale simulation data (physics, engineering, scientific computing) where time-evolution, hierarchical refinement, multi-file datasets, and geometric correctness are critical. The spec is notably disciplined in avoiding naming conventions as a semantic mechanism - a common source of fragility in older formats - and instead grounds all interpretation in structure, attributes, and object identity.
F5 is notably disciplined in avoiding naming conventions as a semantic mechanism. It grounds all interpretation in structure, attributes, and object identity - making it the most stable choice for long-term simulation archives.