QGridPoint Properties

distance from previous point to next point. For the first grid point in the reach it is the distance to the grid point after this point. For the last grid point in the reach it is the distance to the gridpiont before this point.

Distance to prev point. For the first grid point in a reach it is zero.

Location of grid point

Index in list of gridpoints

Ratio used when interpolating between values in the up and down stream reach direction v = (1-ratio)*v_{j-1} + ratio*v_{j+1}

Ratio is Dx/D2x