a system operating on one or more computers for accessing sensing data is operable to retrieve time - based measurement data from a system storing the time - based measurement data , display the time - based measurement data in a user interface , and receive an input corresponding to a time of an event of interest in the time - based measurement data . the system is further operable to retrieve sensing data from a sensing system generally corresponding to the time of the event of interest and display the sensing data in the user interface .