I like to do this with PythonMagick:
composite -dissolve 40 over.png base.png new.png
I have tried:
import PythonMagick
base = PythonMagick.Image("base.png")
over = PythonMagick.Image("over.png")
base.composite(over,0,0,PythonMagick.CompositeOperator.DissolveCompositeOp)
base.write("some.png")
That works fine, but how can I specify the dissolve value?
Thanks in advance
Thomas