Surface interpolation weightings created as an oriented field - bug?
The surface interpolation weights are set as an oriented surface field when created - see https://develop.openfoam.com/Development/OpenFOAM-plus/blob/master/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C#L157
I think this is a bug on the basis that the weighting does not flip sign under an exchange of owner/neighbour?
Thanks, Oliver