SAGA-GIS Tool Library Documentation (v7.8.2)

Tool Flow Accumulation (Parallelizable)

A simple implementation of a parallelizable flow accumulation algorithn.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid, inputDEM--
OutputFlow AccumulationGrid, outputFLOW--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
Update FrequencyIntegerUPDATEif zero no updates will be doneMinimum: 0
Default: 0
MethodChoiceMETHOD-Available Choices:
[0] D8
[1] Dinfinity
[2] MFD
Default: 2
ConvergenceFloating pointCONVERGENCE-Minimum: 0.000000
Default: 1.100000

Command-line

Usage: saga_cmd ta_hydrology 29 [-DEM <str>] [-FLOW <str>] [-UPDATE <num>] [-METHOD <str>] [-CONVERGENCE <double>]
  -DEM:<str>           	Elevation
	Grid, input
  -FLOW:<str>          	Flow Accumulation
	Grid, output
  -UPDATE:<num>        	Update Frequency
	Integer
	Minimum: 0
	Default: 0
  -METHOD:<str>        	Method
	Choice
	Available Choices:
	[0] D8
	[1] Dinfinity
	[2] MFD
	Default: 2
  -CONVERGENCE:<double>	Convergence
	Floating point
	Minimum: 0.000000
	Default: 1.100000