[vtkusers] Memory usage and ReleaseDataFlag

[Lisa Sobierajski Avila]

Hello John,

>Quite right. But when you call
>Filter->SetReleaseData(1), it loops over its outputs and sets the flag to 1.
>When it finishes updating, it loops over its inputs and calls ReleaseData
>
>Its easy to get confused when firing off an email :)

Obviously it is! You are correct - you set the flag on the filter for the 
data it generates, not consumes.

Lisa