The split filter out case has two output pads with the overlay clear out case two enter in pads. The outcome pad of split can be labelled l1 a input pad of overlay is labelled l2 and a outcome pad about split is associated the input pad about overlay which are all both unlabelled. Gives control about the alphamatte station of an image. Used collection a flag a suggesting even if application current alpha station info create an alpha station or perform other surgeries the alpha channel.
Samplers perform the exact work about jmeter. Each sampler apart from test action creates one or more results. The results are required a lot of attributes successfail elapsed period data size and so forth. And can be regarded in the various listeners.