Difference between revisions of "ARKmatrix"
From ARK
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* Label | * Label | ||
| − | * Class | + | * Class [Context, Subgroup, Group, Landuse] |
| − | * Type | + | * Type [Deposit, Fill, Cut, Masonry, Skeleton, Timber] |
| − | * Status | + | * Status [Allocated, Assigned, Void] |
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* Aggregate Unit | * Aggregate Unit | ||
| − | * | + | * Phase |
| − | + | * Period | |
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== Strat Relations == | == Strat Relations == | ||
Revision as of 14:22, 18 March 2018
Strat Units
Unit Attributes
- Site Code
- Unit ID
- Label
- Class [Context, Subgroup, Group, Landuse]
- Type [Deposit, Fill, Cut, Masonry, Skeleton, Timber]
- Status [Allocated, Assigned, Void]
- Aggregate Unit
- Phase
- Period
Strat Relations
- Above / Below (directed graph)
- Same-As (undirected graph)
- Contemporary With (undirected graph)
Rules / Heuristics
Any Relations:
- Cannot be between same Unit
- Both Units must be same Class
Same-As Relations:
- Both Units must be Context class
- Adding relation should not create cycles (no intersection between successors and predecessors)
- Both Units must have the same Aggregate Unit if set
- Both Units must have the same Period / Phase if set
Processing
Load
Validate
- Validate Units
- Validate Above/Below relations
- Validate Same-as Units
Resolve
- For each Same-As relationship add all Above/Below relations to each Unit
Validate
Reduce
- Remove all redundant Above/Below relations (transitive reduction)
Aggregate
- Validate all Context Units have an Aggregate Unit
- For each Context Above/Below relation where the Aggregate Unit is different between the Above and Below Units, add an Above/Below relation between the Aggregate Units to the Subgroup matrix
- Reduce the Subgroup matrix
- Validate all Subgroup Units have an Aggregate Unit
- For each Subgroup Above/Below relation where the Aggregate Unit is different between the Above and Below Units, add an Above/Below relation between the Aggregate Units to the Group matrix
- Reduce the Group matrix
Development Plans
Some other notes: http://archaeologic.al/wiki/Harris_Matrix https://github.com/anvaka/graph-drawing-libraries https://github.com/ArsMasiuk/qvge
