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- parameterId: Id of the parameter for which a unit is specified. This is the internal parameter Id.
- unit: specification of unit. This unit must be available in the UnitConversions specified in the unitConversionsId element.
- cumulativeSum: if this option is set to "true", then it is possible to receive the parameters as cumulative sums. Cumulative sums are partial sums of a given sequence of numbers. For example, if the sequence is: {a, b, c, d, ...}, then the cumulative sums are: a, a+b, a+b+c, a+b+c+d, .... . The import module will then calculate the values for the individual time steps {a, b, c, d, ...} by subtracting the cumulative sum of the previous cumulative sum value.
- cumulativeMean: similar to cumulativeSum, if cumulativeMean is set to "true", then it is possible to receive the parameters as cumulative means. Cumulative means are partial means of a given sequence of numbers. Therefore, for a given sequence of numbers s = {x1,x2,...,xn,xn+1} cumulative means are caculated calculated as follows: CM (xn+1) = [xn+1 + n * CM (xn)] ⁄ n+1. The import module will then calculate the values for the individual time steps {a, b, c, d, ...} by multiplying the cumulative mean with the amount of time steps already processed and then subtracting of the previous value that has been also multiplied with the amount of timestep processed minus 1.
gridRecordTimeIgnore
Boolean flag to specify if the start of forecast is read from the GRIB file or if it is inferred from the data imported. In some GRIB files a start of forecast is specified, but the definition of this may differ from that used in DELFT-FEWS.
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