SAGA 9.4.2 | Tool Library Documentation

Maximum Flow Path Length


Description

This tool calculates the maximum upstream or downstream distance or weighted distance along the flow path for each cell based on 'Deterministic 8 (D8)' (O'Callaghan and Mark 1984) flow directions.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationgrid, inputELEVATION--
Weightsgrid, input, optionalWEIGHTS--
OutputFlow Path Lengthgrid, outputDISTANCE--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Direction of MeasurementchoiceDIRECTION-Available Choices: [0] downstream [1] upstream Default: 0

Command Line


Usage: saga_cmd ta_hydrology 27 [-ELEVATION ] [-WEIGHTS ] [-DISTANCE ] [-DIRECTION ]
  -ELEVATION:	Elevation
	grid, input
  -WEIGHTS:  	Weights
	grid, input, optional
  -DISTANCE: 	Flow Path Length
	grid, output
  -DIRECTION:	Direction of Measurement
	choice
	Available Choices:
	[0] downstream
	[1] upstream
	Default: 0