Hi, I'm currently implementing a vorticity-stream Navier-Stokes solver for high Re. I'm using something like Thom's method, which requires me to get the coefficients for the normal derivative and Laplacian operators along the boundaries. I tried to model the procedure off tests/tcmge.C but it isn't working. How are the local coefficients obtained from MappedGridOperators::assignCoefficients indexed? I couldn't find documentation for this anywhere, does there exist any right now? Thanks! Best, Jacob