SAGA 9.9.1 | Tool Library Documentation

Curvature Classification


Description

Landform classification based on the profile and tangential (across slope) curvatures.


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationgrid, inputDEM--
OutputCurvature Classificationgrid, outputCLASSES--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Threshold Radiusfloating point numberSTRAIGHTCurvature radius threshold [map units] to distinct between straight and curved surfaces.Minimum: 0.000010 Default: 2000.000000
Vertical CurvaturechoiceVERTICAL-Available Choices: [0] longitudinal curvature [1] profile curvature Default: 1
Horizontal CurvaturechoiceHORIZONTAL-Available Choices: [0] cross-sectional curvature [1] tangential curvature Default: 1
Smoothinginteger numberSMOOTHSmoothing kernel radius. No smoothing will be done, if set to zero.Minimum: 0 Default: 0

Command Line


Usage: saga_cmd ta_morphometry 4 [-DEM ] [-CLASSES ] [-STRAIGHT ] [-VERTICAL ] [-HORIZONTAL ] [-SMOOTH ]
  -DEM:           Elevation
	grid, input
  -CLASSES:       Curvature Classification
	grid, output
  -STRAIGHT:   Threshold Radius
	floating point number
	Minimum: 0.000010
	Default: 2000.000000
  -VERTICAL:
                       Vertical Curvature
                       	choice
                       	Available Choices:
                       	[0] longitudinal curvature
                       	[1] profile curvature
                       	Default: 1
  -HORIZONTAL:
                       Horizontal Curvature
                       	choice
                       	Available Choices:
                       	[0] cross-sectional curvature
                       	[1] tangential curvature
                       	Default: 1
  -SMOOTH:        Smoothing
	integer number
	Minimum: 0
	Default: 0