Operator: construct-step

Operator Overview:

The construct step operator, which is actually a misnamed general situation-model constructor, is used by the task to perform certain types of task-related comprehension. It adds objects, properties, or relations to the situation model, primarily containing visual information about the current step.

Operator Proposal:

The operator can be proposed from:

follow-omi-procedure

to mark that the NTD is the CMD or the RESP, or to mark the step's status as pending.

read-cdc

to record the countdown clock time as part of the launch.

scan-step

to note that a step is missing its TIME field, and later to add in an interpolated TIME value from the adjacent steps.

Operator Application:

The operator is always applied in the top space, and results in the necessary changes to the situation model.

Operator Reconsider:

The operator terminates when the situation model includes all of the revisions given as arguments of the operator.