.. _pflotran: PFLOTRAN specific functions ''''''''''''''''''''''''''' .. autoclass:: HydrOpTop.Functions.Head_Gradient .. autoclass:: HydrOpTop.Functions.Mean_Liquid_Piezometric_Head .. autoclass:: HydrOpTop.Functions.p_Weighted_Head_Gradient .. autoclass:: HydrOpTop.Functions.Sum_Flux .. autoclass:: HydrOpTop.Functions.p_Weighted_Sum_Flux .. autoclass:: HydrOpTop.Functions.Reference_Liquid_Head