The Extract Component filter is not really doing anything. That filter takes a vector field and pulls out one of the components to make a scalar field. If you start with a scalar field (as phasefield is), you get the same thing in the output.
The Extract Component filter is not really doing anything. That filter takes a vector field and pulls out one of the components to make a scalar field. If you start with a scalar field (as phasefield is), you get the same thing in the output.