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