...
It is possible to define embedded variables in this transformation. For inputVariable, conditionVariable and in the timeWindowLengthExpression timeWindowLength expression both embedded variables and variables defined at the start of the transformations configuration file can be used. If an embedded variable and a variable defined at the start of the transformations configuration file have the same variableId, then the embedded variable will be used.
...
This condition variable is searched for changes during the run period of the transfomation. If for a given timeStep this variable has a value that is different from the value for the previous timeStep, then that counts as a change for the given timeStep. This triggers the creation of a selection time window that starts at the given timeStep.
...
timeWindowLength expression
Free format expression that is evaluated at the time of a change in the condition variable to determine the length of the time window (in seconds) for that change. For instance "X1 + X2". In the expression reference input variables or coefficients using their id, e.g. "X1 + a" where "X1" is the variableId of a variable and "a" is the id of a coefficient. Variables can be defined in this transformation or at the start of this transformations file. If a variable definition in this transformation has the same id as a variable definition at the start of this transformations file, then the variable definition in this transformation is used. Coefficients can be defined in a coefficientSet.
For examples of expressions and for all the options that can be used in a free format expression see UserSimple Transformation.
CoefficientSets or CoefficientSetFunctions
coefficientSet or coefficientSetFunctions
Should contain the coefficients that are used in the timeWindowLength expression. Define the ids and values of the coefficients here, then refer to the ids of these coefficients in the expression. Make sure that for all the coefficient ids in the expression the values are defined here.
When using coefficient set functions (available since build 30246), the value elements can contain tags between "@" signs (e.g. "@NUMBER@") that refer to location attributes that are defined in the locationSets configuration file. The tags are replaced by actual values. These values can be different for different locations and time periods. See 22 Locations and attributes defined in Shape-DBF files or external tables for more information.TODO
selectionType
If this is select_inside_time_window, then all inputVariable values that are within at least one time window are copied to the outputVariable and all other inputVariable values are ignored. If this is select_outside_time_window then all inputVariable values that are within at least one time window are ignored and all other inputVariable values are copied to the outputVariable.
...