Gradient Vectors from Surface
- Author: O.Conrad (c) 2006
- Menu: Shapes | Shapes-Grid Tools | Vectorization
Description
Create lines indicating the gradient. 
Parameters
|  | Name | Type | Identifier | Description | Constraints | 
|---|
| Input | Surface | grid, input | SURFACE | - | - | 
| Output | Gradient Vectors | shapes, output | VECTORS | - | - | 
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - | 
| Step | integer number | STEP | - | Minimum: 1
Default: 1 | 
| Size Range | value range | SIZE | size range as percentage of step | - | 
| Aggregation | choice | AGGR | how to request values if step size is more than one cell | Available Choices:
[0] nearest neighbour
[1] mean value
Default: 1 | 
| Style | choice | STYLE | - | Available Choices:
[0] simple line
[1] arrow
[2] arrow (centered to cell)
Default: 2 | 
Command Line
Usage: saga_cmd shapes_grid 15 [-SURFACE ] [-VECTORS ] [-STEP ] [-SIZE_MIN ] [-SIZE_MAX ] [-AGGR ] [-STYLE ]
  -SURFACE:    	Surface
	grid, input
  -VECTORS:    	Gradient Vectors
	shapes, output
  -STEP:       	Step
	integer number
	Minimum: 1
	Default: 1
  -SIZE_MIN:	Size Range
	value range
  -SIZE_MAX:	Size Range
	value range
  -AGGR:       	Aggregation
	choice
	Available Choices:
	[0] nearest neighbour
	[1] mean value
	Default: 1
  -STYLE:      	Style
	choice
	Available Choices:
	[0] simple line
	[1] arrow
	[2] arrow (centered to cell)
	Default: 2