include replaceCompIdx here
make parameters changeable at runtime from input file / parameter tree
Check whether the default accumulation mode atOnceAccu is needed.
TODO: Scalar type should be extracted from VolumeVariables!
TODO: This shouldn't depend on grid and discretization!!
TODO: Scalar type should be extracted from VolumeVariables!
TODO: This shouldn't depend on discretization and grid!!
make parameters changeable at runtime from input file / parameter tree
Check whether the default accumulation mode atOnceAccu is needed.