Dataframe from simHydros() or Dataframe with columns hx and hy containing positions of the receivers. Translate the coordinates to get the grid centre close to (0;0).
buffer
Number of meters the spatial domain extends beyound the outer hydros.
eps
Specifies how well-defined the borders are (eps=1E-2 is very sharp, eps=100 is very soft).
pen
Specifies the penalty multiplier.
Value
Vector of lenght 6: c(x_min, x_max, y_min, y_max, eps, pen). Limits are given in UTM coordinates.