Create a full frame size rounded rectangle.
- Tools -> Roto -> Rounded rectangle
- Enter hardness value
- A Roto node with a full frame size rounded rectangle.
- Copy 'roundedRectangle' folder in your .Natron folder.
- Add following lines to your 'initGui.py' file, where
<path>
is the location of 'roundedRectangle' folder.
from <path>.roundedRectangle.roundedRectangle import *
NatronGui.natron.addMenuCommand('Tools/Roto/Rounded rectangle','roundedRectangle()')