Adding this class to the extra code list of a StepFunc will give access to a new array in the target called “histogram”. This value will count the amount of cells with the value used as its index.
Create a starting histogram.
Set up the histogram attributes.
Adding this class to the extra code list of a StepFunc will create a property called “activity” on the target. It is a two-cell array with the value of how many fields have changed their state in the last step and how many did not.
A value of -1 stands for “no data”.
Additionally, the local variable was_active is available after post_compute.
Reset the activity counter to -1, which stands for “no data”.
Set up the activity attributes.