Grid Skeletonization
- Author: O.Conrad (c) 2002
- Menu: Imagery | Segmentation
Description
Simple skeletonisation methods for grids. 
Parameters
|  | Name | Type | Identifier | Description | Constraints | 
|---|
| Input | Grid | grid, input | INPUT | - | - | 
| Output | Skeleton | grid, output | RESULT | - | - | 
| Skeleton | shapes, output, optional | VECTOR | - | - | 
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - | 
| Show Progress in Map | boolean
[GUI] | SHOW_MAP | - | Default: 0 | 
| Method | choice | METHOD | - | Available Choices:
[0] Standard
[1] Hilditch's Algorithm
[2] Channel Skeleton
Default: 0 | 
| Initialisation | choice | INIT_METHOD | Initialize a grid cell as potential skeleton member based on given threshold. | Available Choices:
[0] less than
[1] greater than
[2] less than or equal
[3] greater than or equal
Default: 1 | 
| Threshold | floating point number | INIT_THRESHOLD | - | Default: 0.000000 | 
| Convergence | integer number | CONVERGENCE | - | Minimum: 0
Default: 3 | 
Command Line
Usage: saga_cmd imagery_segmentation 1 [-INPUT ] [-RESULT ] [-VECTOR ] [-METHOD ] [-INIT_METHOD ] [-INIT_THRESHOLD ] [-CONVERGENCE ]
  -INPUT:            	Grid
	grid, input
  -RESULT:           	Skeleton
	grid, output
  -VECTOR:           	Skeleton
	shapes, output, optional
  -METHOD:           	Method
	choice
	Available Choices:
	[0] Standard
	[1] Hilditch's Algorithm
	[2] Channel Skeleton
	Default: 0
  -INIT_METHOD:      	Initialisation
	choice
	Available Choices:
	[0] less than
	[1] greater than
	[2] less than or equal
	[3] greater than or equal
	Default: 1
  -INIT_THRESHOLD:	Threshold
	floating point number
	Default: 0.000000
  -CONVERGENCE:      	Convergence
	integer number
	Minimum: 0
	Default: 3