Problem summary When Feathering a RotoShape, the feathered area displays a banding artifact in the Viewer:
As displayed above, white bands are clearly visible when attaching a Grade node with a low Gamma value.
Customer reported version nuke.n/a
Customer reported platform
Steps to reproduce
1) Open Nuke, create a Roto node
2) Set the Roto node output to 'rgba'
3) Create a bezier square within the Roto node
4) Press 'E' while selecting the square to feather it
5) Drag one of the corners out
6) Add a Grade node and set the Gamma to 0.2
Result: You will get a similar result to the image provided above.
Workaround Unknown.
Reproduced by support
This bug has been reproduced in: Nuke11.3v2- Windows 7 - Mac10.13 - CentOS7 Nuke11.3v1- Windows 7 - Mac10.13 - CentOS7 Nuke11.2v1 - Windows 7 Nuke11.1v1 - Windows 7 Nuke11.0v1 - Windows 7 Nuke10.5v1 - Windows 7 Nuke10.0v1 - Windows 7 Nuke9.0v1 - Windows 7 Nuke8.0v1 - Windows 7 - Mac10.13 - CentOS7
Earliest version tested - This issue appears to be in all versions of the product
Expected behaviour The feathered gradient should be smooth.
Actual behaviour The feathered gradient has clear white band artifacts.
