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To understand the application of NGMS, a few concepts need to be highlighted. Most important are the terms related to the #Run#run-identification, the time #time handling and the data #data synchronization.
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Run-identification
relational picture needed
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A run (alias task run or forecast) refers to the output of a workflow (i.e. set of data processing activities), given a specific initial state (starting condition) and a whatif-scenario (a specification of the input modification)
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Time handling
The FEWS software which typically is used in real-time data processing. The default behaviour of the system is to automatically move forward in time. Displays show data relative to this 'current system time' unless the user changes the 'Display' time in the Dialog.
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When executing a modified scenario, the associated display manages proper handling of the initial state chosen and the associated T0.
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Downloading data
Within the NGMS, the central database holds all the data of all the runs. The user can download (synchronize) this data to its local computer. dependent on its login profile (i.e. login mode), the user can obtain more or less data from the central database.
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