Observer

class Observer(*args, **kwargs)

A standard class for observing VTK objects.

Parameters:

event_typestr, default: “ErrorEvent”

Event type to observe.

logbool, default: True

Log the caught messages.

store_historybool, default: False

Store each caught event.

Methods

Observer.get_message(*[, etc])	Get the last set error message.
Observer.has_event_occurred()	Ask self if an error has occurred since last queried.
Observer.log_message(kind, alert)	Parse different event types and passes them to logging.
Observer.observe(algorithm)	Make this an observer of an algorithm.
Observer.parse_message(message)	Parse the given message.