12-18-2017, 11:09 PM
(This post was last modified: 12-18-2017, 11:23 PM by Espermaschine.)
Not sure i understand what you mean with nova (supernova filter perhaps ?) and gradients, but there is a G'MIC filter called Light Rays (under Light & Shadows) that produces "spokes".
Theres also a filter called Line Nova (under Gimp - Filter - Render).
Theres also a filter called Line Nova (under Gimp - Filter - Render).