...
Scale is certainly one of RealFlow’s core concepts, because it greatly affects your simulations and calculation times. Scale is also very important for the credibility of simulations and can be used to compensate for problems with either very large or very small objects.
Warning
...
Level
You can choose between normal warning and error messages, and expert style notifications.
Node list icon size
Size
With entries of the drop-down menu it is possible to determine the size of the icons in the “Nodes” tree.
Window Position (OS X only)
Keep windows on top
When this option is unchecked, all non-modal windows will be moved behind RealFlow's main GUI making it difficult to access them again. To avoid this behaviour, this checkbox should be active. A non-modal window, by the way, is a panel that allows you to access other, underlying windows, e.g. “Node Params” or the viewport. Examples for modal windows are “Export Central” and the “Scripted” daemon's Python editor.
Undo
Enabled
The checkbox enables/disables RealFlow’s undo function.
...