Input raster or feature destination data
An integer raster or feature dataset that identifies locations from which the optimal path is determined to the least costly source.
If the input is a raster, it must consist of cells that have valid values for the destinations, and the remaining cells must be assigned NoData. Zero is a valid value.
|Raster Layer; Feature Layer
Input distance accumulation raster
The distance accumulation raster is used to determine the optimal path from the sources to the destinations.
The distance accumulation raster is usually created with the Distance Accumulation or Distance Allocation tools. Each cell in the distance accumulation raster represents the minimum accumulative cost distance over a surface from each cell to a set of source cells.
Input back direction or flow direction raster
The back direction raster contains calculated directions in degrees. The direction identifies the next cell along the optimal path back to the least accumulative cost source while avoiding barriers.
The range of values is from 0 degrees to 360 degrees, with 0 reserved for the source cells. Due east (right) is 90, and the values increase clockwise (180 is south, 270 is west, and 360 is north).
The field to be used to obtain values for the destination locations.
Specifies a keyword defining the manner in which the values and zones on the input destination data will be interpreted in the cost path calculations.
|Output optimal accumulation path
The output raster.