SAGA-GIS Module Library Documentation (v2.2.2)

Module Grid Skeletonization

Simple skeletonisation methods for grids.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputGridGrid (input)INPUT--
OutputSkeletonGrid (output)RESULT--
Skeleton (*)Shapes (optional output)VECTOR--
OptionsMethodChoiceMETHOD-Available Choices:
[0] Standard
[1] Hilditch's Algorithm
[2] Channel Skeleton
Default: 0
InitialisationChoiceINIT_METHOD-Available Choices:
[0] Less than
[1] Greater than
Default: 1
Threshold (Init.)Floating pointINIT_THRESHOLD-Default: 0.000000
ConvergenceIntegerCONVERGENCE-Default: 3
(*) optional

Command-line

Usage: saga_cmd imagery_segmentation 1 [-INPUT <str>] [-RESULT <str>] [-VECTOR <str>] [-METHOD <str>] [-INIT_METHOD <str>] [-INIT_THRESHOLD <str>] [-CONVERGENCE <num>]
  -INPUT:<str>         	Grid
	Grid (input)
  -RESULT:<str>        	Skeleton
	Grid (output)
  -VECTOR:<str>        	Skeleton
	Shapes (optional output)
  -METHOD:<str>        	Method
	Choice
	Available Choices:
	[0] Standard
	[1] Hilditch's Algorithm
	[2] Channel Skeleton
	Default: 0
  -INIT_METHOD:<str>   	Initialisation
	Choice
	Available Choices:
	[0] Less than
	[1] Greater than
	Default: 1
  -INIT_THRESHOLD:<str>	Threshold (Init.)
	Floating point
	Default: 0.000000
  -CONVERGENCE:<num>   	Convergence
	Integer
	Default: 3