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Next to the flag it is also possible to get or set information why the flag is as it is through the so-called flagSource.
Delft-FEWS stores not only the quality flags, but also the source of the flag, the so-called flagSource (Since version flagSource (since 2012.01).
The user is able to see why a certain value is validated as unreliable, eg. due to exceeding of the hard max validation rule.
| flagSource | Description |
|---|---|
CA | Conditional aggregation |
FC | secondary validation, flag comparison |
HN | hard min |
| HX | hard max |
| IMP | flag is imported |
| MAN | manual edit |
| MK | secondary validation, Mann-Kendall test |
| OSC | oscillation |
| ROF | rate of fall |
| ROR | rate of rise |
| SC | secondary validation, series comparison |
| SFP | start flag persistency |
| SN | soft min |
| SR | same reading |
| SVP | secondary validation, Flag persistency (FlagPersistencyCheck) |
| SX | soft max |
| TS | temporary shift |
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