Given a raster containing flow directions, compute the accumulation at each point.
Calculate the accumulation.
Calculate the accumulation. Given a location, accumulation information, and information about flow directions, compute the accumulation at the given point.
The column of the location
The row of the location
The accumulation information
The 'value' parameter represents a set of directions.
The 'value' parameter represents a set of directions. In the representation, a particular bit is asserted if there is flow in the direction, otherwise it is not.
The set of directions
A particular direction
An object which houses functions related to hydrological accumulation.