Tool Multiresolution Index of Valley Bottom Flatness (MRVBF)

Calculation of the 'multiresolution index of valley bottom flatness' (MRVBF) and the complementary 'multiresolution index of the ridge top flatness' (MRRTF).

References

Gallant, J.C., Dowling, T.I. (2003): A multiresolution index of valley bottom flatness for mapping depositional areas. Water Resources Research, 39/12:1347-1359. Wiley.

Author: O.Conrad (c) 2006
Menu: Terrain Analysis|Morphometry

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	Grid, input	`DEM`	-	-
Output	MRVBF	Grid, output	`MRVBF`	-	-
Output	MRRTF	Grid, output	`MRRTF`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Initial Threshold for Slope	Floating point	`T_SLOPE`	-	Minimum: 0.000000 Maximum: 100.000000 Default: 16.000000
	Threshold for Elevation Percentile (Lowness)	Floating point	`T_PCTL_V`	-	Minimum: 0.000000 Maximum: 1.000000 Default: 0.400000
	Threshold for Elevation Percentile (Upness)	Floating point	`T_PCTL_R`	-	Minimum: 0.000000 Maximum: 1.000000 Default: 0.350000
	Shape Parameter for Slope	Floating point	`P_SLOPE`	-	Default: 4.000000
	Shape Parameter for Elevation Percentile	Floating point	`P_PCTL`	-	Default: 3.000000
	Update Views	Boolean	`UPDATE`	-	Default: 1
	Classify	Boolean	`CLASSIFY`	-	Default: 0
	Maximum Resolution (Percentage)	Floating point	`MAX_RES`	Maximum resolution as percentage of the diameter of the DEM.	Minimum: 0.000000 Maximum: 100.000000 Default: 100.000000

Command-line

Usage: saga_cmd ta_morphometry 8 [-DEM <str>] [-MRVBF <str>] [-MRRTF <str>] [-T_SLOPE <double>] [-T_PCTL_V <double>] [-T_PCTL_R <double>] [-P_SLOPE <double>] [-P_PCTL <double>] [-UPDATE <str>] [-CLASSIFY <str>] [-MAX_RES <double>]
  -DEM:<str>        	Elevation
	Grid, input
  -MRVBF:<str>      	MRVBF
	Grid, output
  -MRRTF:<str>      	MRRTF
	Grid, output
  -T_SLOPE:<double> 	Initial Threshold for Slope
	Floating point
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 16.000000
  -T_PCTL_V:<double>	Threshold for Elevation Percentile (Lowness)
	Floating point
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 0.400000
  -T_PCTL_R:<double>	Threshold for Elevation Percentile (Upness)
	Floating point
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 0.350000
  -P_SLOPE:<double> 	Shape Parameter for Slope
	Floating point
	Default: 4.000000
  -P_PCTL:<double>  	Shape Parameter for Elevation Percentile
	Floating point
	Default: 3.000000
  -UPDATE:<str>     	Update Views
	Boolean
	Default: 1
  -CLASSIFY:<str>   	Classify
	Boolean
	Default: 0
  -MAX_RES:<double> 	Maximum Resolution (Percentage)
	Floating point
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 100.000000