Directional Statistics for Single Grid
- Author: O.Conrad (c) 2010
- Menu: Spatial and Geostatistics | Grids
Description
Calculates for each cell statistical properties (arithmetic mean, minimum, maximum, variance, standard deviation) of all cells lying in given direction based on the input grid. 
Parameters
|  | Name | Type | Identifier | Description | Constraints | 
|---|
| Input | Grid | grid, input | GRID | - | - | 
| Points | shapes, input, optional | POINTS | - | - | 
| Output | Arithmetic Mean | grid, output, optional | MEAN | - | - | 
| Difference from Arithmetic Mean | grid, output, optional | DIFMEAN | - | - | 
| Minimum | grid, output, optional | MIN | - | - | 
| Maximum | grid, output, optional | MAX | - | - | 
| Range | grid, output, optional | RANGE | - | - | 
| Variance | grid, output, optional | VAR | - | - | 
| Standard Deviation | grid, output, optional | STDDEV | - | - | 
| Mean less Standard Deviation | grid, output, optional | STDDEVLO | - | - | 
| Mean plus Standard Deviation | grid, output, optional | STDDEVHI | - | - | 
| Deviation from Arithmetic Mean | grid, output, optional | DEVMEAN | - | - | 
| Percentile | grid, output, optional | PERCENT | - | - | 
| Directional Statistics for Points | shapes, output, optional | POINTS_OUT | - | - | 
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - | 
| Direction [Degree] | floating point number | DIRECTION | - | Default: 0.000000 | 
| Tolerance [Degree] | floating point number | TOLERANCE | - | Minimum: 0.000000
Maximum: 45.000000
Default: 0.000000 | 
| Maximum Distance [Cells] | integer number | MAXDISTANCE | Maximum distance parameter is ignored if set to zero (default). | Minimum: 0
Default: 0 | 
| Weighting Function | choice | DW_WEIGHTING | - | Available Choices:
[0] no distance weighting
[1] inverse distance to a power
[2] exponential
[3] gaussian
Default: 3 | 
| Power | floating point number | DW_IDW_POWER | - | Minimum: 0.000000
Default: 2.000000 | 
| Bandwidth | floating point number | DW_BANDWIDTH | Bandwidth specified as number of cells. | Minimum: 0.000000
Default: 25.000000 | 
Command Line
Usage: saga_cmd statistics_grid 6 [-GRID ] [-MEAN ] [-DIFMEAN ] [-MIN ] [-MAX ] [-RANGE ] [-VAR ] [-STDDEV ] [-STDDEVLO ] [-STDDEVHI ] [-DEVMEAN ] [-PERCENT ] [-POINTS ] [-POINTS_OUT ] [-DIRECTION ] [-TOLERANCE ] [-MAXDISTANCE ] [-DW_WEIGHTING ] [-DW_IDW_POWER ] [-DW_BANDWIDTH ]
  -GRID:           	Grid
	grid, input
  -MEAN:           	Arithmetic Mean
	grid, output, optional
  -DIFMEAN:        	Difference from Arithmetic Mean
	grid, output, optional
  -MIN:            	Minimum
	grid, output, optional
  -MAX:            	Maximum
	grid, output, optional
  -RANGE:          	Range
	grid, output, optional
  -VAR:            	Variance
	grid, output, optional
  -STDDEV:         	Standard Deviation
	grid, output, optional
  -STDDEVLO:       	Mean less Standard Deviation
	grid, output, optional
  -STDDEVHI:       	Mean plus Standard Deviation
	grid, output, optional
  -DEVMEAN:        	Deviation from Arithmetic Mean
	grid, output, optional
  -PERCENT:        	Percentile
	grid, output, optional
  -POINTS:         	Points
	shapes, input, optional
  -POINTS_OUT:     	Directional Statistics for Points
	shapes, output, optional
  -DIRECTION:   	Direction [Degree]
	floating point number
	Default: 0.000000
  -TOLERANCE:   	Tolerance [Degree]
	floating point number
	Minimum: 0.000000
	Maximum: 45.000000
	Default: 0.000000
  -MAXDISTANCE:    	Maximum Distance [Cells]
	integer number
	Minimum: 0
	Default: 0
  -DW_WEIGHTING:   	Weighting Function
	choice
	Available Choices:
	[0] no distance weighting
	[1] inverse distance to a power
	[2] exponential
	[3] gaussian
	Default: 3
  -DW_IDW_POWER:	Power
	floating point number
	Minimum: 0.000000
	Default: 2.000000
  -DW_BANDWIDTH:	Bandwidth
	floating point number
	Minimum: 0.000000
	Default: 25.000000